Steel Section Capacities BS 5950 Spreadsheet

366

Transcript of Steel Section Capacities BS 5950 Spreadsheet

Page 1: Steel Section Capacities BS 5950 Spreadsheet
Page 2: Steel Section Capacities BS 5950 Spreadsheet
Page 3: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

5920 5920 5920 5920 5920 5920 5920 5920 5920 5920 5920

n/a 530 530 530 530 530 530 530 530 530 530 530

1 5920 5830 5590 5180 4610 3900 3150 2390 1610 811 0

530 530 530 530 530 530 530 528 397 221 0

5290 5290 5290 5290 5290 5290 5290 5290 5290 5290 5290

n/a 470 470 470 470 470 470 470 470 470 470 470

1 5290 5220 5000 4630 4120 3480 2810 2130 1430 722 0

470 470 470 470 470 470 470 469 353 197 0

4730 4730 4730 4730 4730 4730 4730 4730 4730 4730 4730

n/a 414 414 414 414 414 414 414 414 414 414 414

1 4730 4660 4470 4140 3680 3110 2510 1900 1270 642 0

414 414 414 414 414 414 414 414 314 175 0

4400 4400 4400 4400 4400 4380 4370 4360 4350 4310 $

0.986 389 389 389 389 389 389 389 389 389 389 $

0.405 4400 4330 4150 3840 3400 - - - - - -

389 389 389 389 389 - - - - - -

3940 3940 3940 3940 3800 3750 3710 3650 3520 2740 $

0.845 344 344 344 344 344 344 344 344 344 230 $

0.343 3940 3880 3710 3440 - - - - - - -

344 344 344 344 - - - - - - -

3400 3400 3400 3300 3140 3090 3020 1780 1780 1780 $

0.662 297 297 297 297 297 297 297 148 148 148 $

0.258 3400 3350 3210 - - - - - - - -

297 297 297 - - - - - - - -

3010 3010 3010 2960 2790 2720 2660 1560 1560 $ $

0.662 249 249 249 249 249 249 249 125 125 $ $

0.282 3010 2970 2850 - - - - - - - -

249 249 249 - - - - - - - -

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   1016x305x487 # +  Mcx

      Pz = Agpy = 15800 Mcy

Mrx

Mry

   1016x305x437 # +  Mcx

      Pz = Agpy = 14200 Mcy

Mrx

Mry

   1016x305x393 # +  Mcx

      Pz = Agpy = 12800 Mcy

Mrx

Mry

   1016x305x349 # +  Mcx

      Pz = Agpy = 11800 Mcy

Mrx

Mry

   1016x305x314 # +  Mcx

      Pz = Agpy = 10600 Mcy

Mrx

Mry

   1016x305x272 # +  Mcx

      Pz = Agpy = 9200 Mcy

Mrx

Mry

   1016x305x249 # +  Mcx

      Pz = Agpy = 8400 Mcy

Mrx

Mry

Page 4: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

Mcx 2600 2600 2600 2570 2400 2310 2250 1260 1260 $ $

0.627 Mcy 202 202 202 202 202 202 202 95.1 95.1 $ $

0.287 Mrx 2600 2570 2470 - - - - - - - -

Mry 202 202 202 - - - - - - - -

Mcx 4680 4680 4680 4680 4680 4680 4680 4680 4680 4680 4680

n/a Mcy 687 687 687 687 687 687 687 687 687 687 687

1 Mrx 4680 4610 4380 4000 3480 2920 2350 1770 1190 599 0

Mry 687 687 687 687 687 687 687 627 462 253 0

Mcx 4100 4100 4100 4100 4090 4080 4080 4070 4060 4020 $

0.983 Mcy 595 595 595 595 595 595 595 595 595 595 $

0.348 Mrx 4100 4040 3840 3520 - - - - - - -

Mry 595 595 595 595 - - - - - - -

Mcx 3330 3330 3330 3330 3330 3270 3260 3240 3200 3080 $

0.946 Mcy 322 322 322 322 322 322 322 322 322 322 $

0.411 Mrx 3330 3290 3150 2920 2590 - - - - - -

Mry 322 322 322 322 322 - - - - - -

Mcx 2900 2900 2900 2900 2780 2710 2680 2610 1840 1840 $

0.783 Mcy 277 277 277 277 277 277 277 277 169 169 $

0.335 Mrx 2900 2860 2740 2540 - - - - - - -

Mry 277 277 277 277 - - - - - - -

Mcx 2530 2530 2530 2520 2370 2300 2250 1350 1350 1350 $

0.679 Mcy 235 235 235 235 235 235 235 121 121 121 $

0.295 Mrx 2530 2490 2390 - - - - - - - -

Mry 235 235 235 - - - - - - - -

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECT

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   1016x305x222 # + 

      Pz = Agpy = 7500

   914x419x388 #

      Pz = Agpy = 13100

   914x419x343 #

      Pz = Agpy = 11600

   914x305x289 #

      Pz = Agpy = 9750

   914x305x253 #

      Pz = Agpy = 8560

   914x305x224 #

      Pz = Agpy = 7580

Page 5: Steel Section Capacities BS 5950 Spreadsheet

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

2210 2210 2210 2180 2050 1970 1920 1060 1060 $ $

0.62 197 197 197 197 197 197 197 91.7 91.7 $ $

0.281 2210 2180 2100 - - - - - - - -

197 197 197 - - - - - - - -

2430 2430 2430 2430 2320 2280 2250 2200 1570 1570 $

0.792 246 246 246 246 246 246 246 246 152 152 $

0.326 2430 2390 2290 2120 - - - - - - -

246 246 246 246 - - - - - - -

2020 2020 2020 2010 1900 1840 1810 1090 1090 1090 $

0.68 197 197 197 197 197 197 197 102 102 102 $

0.292 2020 2000 1910 - - - - - - - -

197 197 197 - - - - - - - -

1800 1800 1800 1770 1670 1610 1570 876 876 $ $

0.623 170 170 170 170 170 170 170 79.5 79.5 $ $

0.277 1800 1780 1710 - - - - - - - -

170 170 170 - - - - - - - -

1900 1900 1900 1900 1870 1840 1820 1800 1760 1420 $

0.89 194 194 194 194 194 194 194 194 194 139 $

0.374 1900 1870 1790 1660 - - - - - - -

194 194 194 194 - - - - - - -

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   914x305x201 # Mcx

      Pz = Agpy = 6780 Mcy

Mrx

Mry

   838x292x226 # Mcx

      Pz = Agpy = 7660 Mcy

Mrx

Mry

   838x292x194 # Mcx

      Pz = Agpy = 6550 Mcy

Mrx

Mry

   838x292x176 # Mcx

      Pz = Agpy = 5940 Mcy

Mrx

Mry

   762x267x197 Mcx

      Pz = Agpy = 6650 Mcy

Mrx

Mry

Page 6: Steel Section Capacities BS 5950 Spreadsheet

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

1640 1640 1640 1640 1580 1530 1510 1480 1030 1030 $

0.774 163 163 163 163 163 163 163 163 98.3 98.3 $

0.334 1640 1620 1550 1440 - - - - - - -

163 163 163 163 - - - - - - -

1370 1370 1370 1350 1270 1230 1200 685 685 $ $

0.64 131 131 131 131 131 131 131 63 63 $ $

0.282 1370 1350 1290 - - - - - - - -

131 131 131 - - - - - - - -

1280 1280 1280 1220 1150 1120 541 541 541 $ $

0.55 119 119 119 119 119 119 48.7 48.7 48.7 $ $

0.24 1280 1260 1210 - - - - - - - -

119 119 119 - - - - - - - -

1490 1490 1490 1490 1480 1470 1460 1450 1430 1380 $

0.941 165 165 165 165 165 165 165 165 165 165 $

0.384 1490 1470 1410 1300 - - - - - - -

165 165 165 165 - - - - - - -

1330 1330 1330 1330 1270 1250 1240 1220 1170 886 $

0.812 145 145 145 145 145 145 145 145 145 92.2 $

0.331 1330 1310 1250 1150 - - - - - - -

145 145 145 145 - - - - - - -

1210 1210 1210 1210 1140 1120 1100 1070 713 713 $

0.732 130 130 130 130 130 130 130 130 73.1 73.1 $

0.301 1210 1190 1140 1060 - - - - - - -

130 130 130 130 - - - - - - -

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   762x267x173 Mcx

      Pz = Agpy = 5830 Mcy

Mrx

Mry

   762x267x147 Mcx

      Pz = Agpy = 4960 Mcy

Mrx

Mry

   762x267x134 Mcx

      Pz = Agpy = 4700 Mcy

Mrx

Mry

   686x254x170 Mcx

      Pz = Agpy = 5750 Mcy

Mrx

Mry

   686x254x152 Mcx

      Pz = Agpy = 5140 Mcy

Mrx

Mry

   686x254x140 Mcx

      Pz = Agpy = 4720 Mcy

Mrx

Mry

Page 7: Steel Section Capacities BS 5950 Spreadsheet

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

1060 1060 1060 1040 987 961 941 554 554 $ $

0.663 110 110 110 110 110 110 110 55.1 55.1 $ $

0.283 1060 1040 1000 - - - - - - - -

110 110 110 - - - - - - - -

1980 1980 1980 1980 1980 1980 1980 1980 1980 1980 1980

n/a 323 323 323 323 323 323 323 323 323 323 323

1 1980 1950 1850 1690 1460 1230 990 748 503 253 0

323 323 323 323 323 323 323 288 211 115 0

1470 1470 1470 1470 1470 1470 1470 1470 1470 1470 1470

n/a 236 236 236 236 236 236 236 236 236 236 236

1 1470 1450 1370 1250 1080 909 732 552 370 186 0

236 236 236 236 236 236 236 213 156 85.5 0

1220 1220 1220 1200 1180 1170 1160 1140 1110 864 $

0.836 194 194 194 194 194 194 194 194 194 128 $

0.274 1220 1200 1140 - - - - - - - -

194 194 194 - - - - - - - -

1100 1100 1100 1100 1090 1090 1080 1080 1070 1040 $

0.962 124 124 124 124 124 124 124 124 124 124 $

0.386 1100 1080 1030 953 - - - - - - -

124 124 124 124 - - - - - - -

974 974 974 974 937 927 918 902 870 669 $

0.828 109 109 109 109 109 109 109 109 109 71.3 $

0.332 974 960 918 847 - - - - - - -

109 109 109 109 - - - - - - -

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

869 869 869 869 822 808 795 774 520 520 $

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   686x254x125 Mcx

      Pz = Agpy = 4210 Mcy

Mrx

Mry

   610x305x238 Mcx

      Pz = Agpy = 8030 Mcy

Mrx

Mry

   610x305x179 Mcx

      Pz = Agpy = 6040 Mcy

Mrx

Mry

   610x305x149 Mcx

      Pz = Agpy = 5040 Mcy

Mrx

Mry

   610x229x140 Mcx

      Pz = Agpy = 4720 Mcy

Mrx

Mry

   610x229x125 Mcx

      Pz = Agpy = 4210 Mcy

Mrx

Mry

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   610x229x113 Mcx

Page 8: Steel Section Capacities BS 5950 Spreadsheet

0.739 95.7 95.7 95.7 95.7 95.7 95.7 95.7 95.7 54.4 54.4 $

0.3 869 857 820 - - - - - - - -

95.7 95.7 95.7 - - - - - - - -

792 792 792 776 736 718 703 407 407 $ $

0.65 84.5 84.5 84.5 84.5 84.5 84.5 84.5 41.4 41.4 $ $

0.273 792 781 749 - - - - - - - -

84.5 84.5 84.5 - - - - - - - -

847 847 847 847 847 847 847 847 847 847 847

n/a 102 102 102 102 102 102 102 102 102 102 102

1 847 834 797 734 646 540 435 329 221 111 0

102 102 102 102 102 102 102 96.9 72.1 39.8 0

749 749 749 749 747 747 746 745 743 738 $

0.988 88.7 88.7 88.7 88.7 88.7 88.7 88.7 88.7 88.7 88.7 $

0.392 749 738 705 650 - - - - - - -

88.7 88.7 88.7 88.7 - - - - - - -

692 692 692 692 673 670 665 658 642 518 $

0.885 81.4 81.4 81.4 81.4 81.4 81.4 81.4 81.4 81.4 57.9 $

0.348 692 682 651 600 - - - - - - -

81.4 81.4 81.4 81.4 - - - - - - -

649 649 649 649 617 609 601 587 410 410 $

0.772 75.2 75.2 75.2 75.2 75.2 75.2 75.2 75.2 45.1 45.1 $

0.307 649 640 612 565 - - - - - - -

75.2 75.2 75.2 75.2 - - - - - - -

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

566 566 566 564 533 521 512 497 321 321 $

0.709 63.4 63.4 63.4 63.4 63.4 63.4 63.4 63.4 34.3 34.3 $

0.295 566 558 535 - - - - - - - -

63.4 63.4 63.4 - - - - - - - -

      Pz = Agpy = 3820 Mcy

Mrx

Mry

   610x229x101 Mcx

      Pz = Agpy = 3550 Mcy

Mrx

Mry

   533x210x122 Mcx

      Pz = Agpy = 4110 Mcy

Mrx

Mry

   533x210x109 Mcx

      Pz = Agpy = 3680 Mcy

Mrx

Mry

   533x210x101 Mcx

      Pz = Agpy = 3420 Mcy

Mrx

Mry

   533x210x92 Mcx

      Pz = Agpy = 3220 Mcy

Mrx

Mry

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   533x210x82 Mcx

      Pz = Agpy = 2890 Mcy

Mrx

Mry

Page 9: Steel Section Capacities BS 5950 Spreadsheet

591 591 591 591 591 591 591 591 591 591 591

n/a 77.3 77.3 77.3 77.3 77.3 77.3 77.3 77.3 77.3 77.3 77.3

1 591 582 555 510 445 373 301 227 153 76.8 0

77.3 77.3 77.3 77.3 77.3 77.3 77.3 72 53.3 29.3 0

534 534 534 534 534 534 534 534 534 534 534

n/a 69.3 69.3 69.3 69.3 69.3 69.3 69.3 69.3 69.3 69.3 69.3

1 534 526 501 460 404 339 273 206 138 69.5 0

69.3 69.3 69.3 69.3 69.3 69.3 69.3 65.1 48.2 26.6 0

504 504 504 504 498 497 496 494 490 477 $

0.957 64.7 64.7 64.7 64.7 64.7 64.7 64.7 64.7 64.7 64.7 $

0.37 504 496 473 436 - - - - - - -

64.7 64.7 64.7 64.7 - - - - - - -

455 455 455 455 436 433 429 422 407 313 $

0.825 58.1 58.1 58.1 58.1 58.1 58.1 58.1 58.1 58.1 37.8 $

0.312 455 448 427 393 - - - - - - -

58.1 58.1 58.1 58.1 - - - - - - -

405 405 405 403 382 378 373 364 248 248 $

0.751 50.5 50.5 50.5 50.5 50.5 50.5 50.5 50.5 29.3 29.3 $

0.293 405 399 381 - - - - - - - -

50.5 50.5 50.5 - - - - - - - -

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECT <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

480 480 480 480 480 480 480 480 480 480 480

n/a 48.7 48.7 48.7 48.7 48.7 48.7 48.7 48.7 48.7 48.7 48.7

1 480 473 452 417 369 312 252 190 128 64.3 0

48.7 48.7 48.7 48.7 48.7 48.7 48.7 47.4 35.5 19.7 0

431 431 431 431 428 423 422 419 413 397 $

0.94 43.2 43.2 43.2 43.2 43.2 43.2 43.2 43.2 43.2 43.2 $

0.386 431 425 407 376 - - - - - - -

43.2 43.2 43.2 43.2 - - - - - - -

   457x191x98 Mcx

      Pz = Agpy = 3310 Mcy

Mrx

Mry

   457x191x89 Mcx

      Pz = Agpy = 3020 Mcy

Mrx

Mry

   457x191x82 Mcx

      Pz = Agpy = 2860 Mcy

Mrx

Mry

   457x191x74 Mcx

      Pz = Agpy = 2600 Mcy

Mrx

Mry

   457x191x67 Mcx

      Pz = Agpy = 2350 Mcy

Mrx

Mry

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   457x152x82 Mcx

      Pz = Agpy = 2780 Mcy

Mrx

Mry

   457x152x74 Mcx

      Pz = Agpy = 2500 Mcy

Mrx

Mry

Page 10: Steel Section Capacities BS 5950 Spreadsheet

400 400 400 400 386 379 375 368 353 271 $

0.825 39.3 39.3 39.3 39.3 39.3 39.3 39.3 39.3 39.3 25.5 $

0.345 400 394 377 349 - - - - - - -

39.3 39.3 39.3 39.3 - - - - - - -

354 354 354 350 331 324 318 195 195 195 $

0.692 34.3 34.3 34.3 34.3 34.3 34.3 34.3 18.1 18.1 18.1 $

0.285 354 349 334 - - - - - - - -

34.3 34.3 34.3 - - - - - - - -

301 301 301 294 278 269 263 145 145 $ $

0.619 27.9 27.9 27.9 27.9 27.9 27.9 27.9 12.9 12.9 $ $

0.268 301 297 285 - - - - - - - -

27.9 27.9 27.9 - - - - - - - -

413 413 413 413 413 413 413 413 413 413 413

n/a 56.8 56.8 56.8 56.8 56.8 56.8 56.8 56.8 56.8 56.8 56.8

1 413 406 387 355 310 260 209 158 106 53.3 0

56.8 56.8 56.8 56.8 56.8 56.8 56.8 52.7 39 21.4 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

370 370 370 370 367 367 366 365 362 355 $

0.965 50.5 50.5 50.5 50.5 50.5 50.5 50.5 50.5 50.5 50.5 $

0.357 370 364 347 319 - - - - - - -

50.5 50.5 50.5 50.5 - - - - - - -

330 330 330 329 316 314 311 306 295 225 $

0.815 44.6 44.6 44.6 44.6 44.6 44.6 44.6 44.6 44.6 28.5 $

0.296 330 325 309 - - - - - - - -

44.6 44.6 44.6 - - - - - - - -

290 290 290 290 276 273 270 264 187 187 $

0.782 38 38 38 38 38 38 38 38 23.1 23.1 $

   457x152x67 Mcx

      Pz = Agpy = 2350 Mcy

Mrx

Mry

   457x152x60 Mcx

      Pz = Agpy = 2100 Mcy

Mrx

Mry

   457x152x52 Mcx

      Pz = Agpy = 1830 Mcy

Mrx

Mry

   406x178x74 Mcx

      Pz = Agpy = 2600 Mcy

Mrx

Mry

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   406x178x67 Mcx

      Pz = Agpy = 2350 Mcy

Mrx

Mry

   406x178x60 Mcx

      Pz = Agpy = 2100 Mcy

Mrx

Mry

   406x178x54 Mcx

      Pz = Agpy = 1900 Mcy

Page 11: Steel Section Capacities BS 5950 Spreadsheet

0.305 290 286 273 252 - - - - - - -

38 38 38 38 - - - - - - -

244 244 244 235 225 221 216 122 122 $ $

0.632 25 25 25 25 25 25 25 11.9 11.9 $ $

0.247 244 241 230 - - - - - - - -

25 25 25 - - - - - - - -

199 199 199 190 181 176 87.3 87.3 87.3 $ $

0.565 19.1 19.1 19.1 19.1 19.1 19.1 8.02 8.02 8.02 $ $

0.24 199 196 188 - - - - - - - -

19.1 19.1 19.1 - - - - - - - -

333 333 333 333 333 333 333 333 333 333 333

n/a 51.8 51.8 51.8 51.8 51.8 51.8 51.8 51.8 51.8 51.8 51.8

1 333 328 311 283 246 206 166 126 84.3 42.4 0

51.8 51.8 51.8 51.8 51.8 51.8 51.8 46.7 34.3 18.8 0

278 278 278 278 278 278 278 278 278 278 278

n/a 42.6 42.6 42.6 42.6 42.6 42.6 42.6 42.6 42.6 42.6 42.6

1 278 273 260 237 207 173 140 105 70.6 35.5 0

42.6 42.6 42.6 42.6 42.6 42.6 42.6 39 28.8 15.8 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

246 246 246 246 242 242 241 239 236 226 $

0.925 37.3 37.3 37.3 37.3 37.3 37.3 37.3 37.3 37.3 37.3 $

0.326 246 242 231 211 - - - - - - -

37.3 37.3 37.3 37.3 - - - - - - -

213 213 213 213 206 205 203 200 194 153 $

0.848 31.3 31.3 31.3 31.3 31.3 31.3 31.3 31.3 31.3 21.1 $

0.316 213 210 200 184 - - - - - - -

31.3 31.3 31.3 31.3 - - - - - - -

181 181 181 181 172 170 167 163 114 114 $

Mrx

Mry

   406x140x46 Mcx

      Pz = Agpy = 1610 Mcy

Mrx

Mry

   406x140x39 Mcx

      Pz = Agpy = 1370 Mcy

Mrx

Mry

   356x171x67 Mcx

      Pz = Agpy = 2350 Mcy

Mrx

Mry

   356x171x57 Mcx

      Pz = Agpy = 2000 Mcy

Mrx

Mry

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   356x171x51 Mcx

      Pz = Agpy = 1780 Mcy

Mrx

Mry

   356x171x45 Mcx

      Pz = Agpy = 1580 Mcy

Mrx

Mry

   356x127x39 Mcx

Page 12: Steel Section Capacities BS 5950 Spreadsheet

0.771 18.7 18.7 18.7 18.7 18.7 18.7 18.7 18.7 11.2 11.2 $

0.308 181 179 171 158 - - - - - - -

18.7 18.7 18.7 18.7 - - - - - - -

149 149 149 146 139 135 132 77.2 77.2 $ $

0.655 14.8 14.8 14.8 14.8 14.8 14.8 14.8 7.29 7.29 $ $

0.274 149 147 141 - - - - - - - -

14.8 14.8 14.8 - - - - - - - -

233 233 233 233 233 233 233 233 233 233 233

n/a 41.9 41.9 41.9 41.9 41.9 41.9 41.9 41.9 41.9 41.9 41.9

1 233 229 216 196 169 142 114 86.3 57.9 29.2 0

41.9 41.9 41.9 41.9 41.9 41.9 41.9 36.7 26.8 14.6 0

198 198 198 198 198 198 198 198 198 198 198

n/a 35.6 35.6 35.6 35.6 35.6 35.6 35.6 35.6 35.6 35.6 35.6

1 198 194 184 166 143 120 96.7 73 48.9 24.6 0

35.6 35.6 35.6 35.6 35.6 35.6 35.6 31.1 22.7 12.4 0

171 171 171 168 166 166 165 163 159 126 $

0.857 30.6 30.6 30.6 30.6 30.6 30.6 30.6 30.6 30.6 20.9 $

0.261 171 168 159 - - - - - - - -

30.6 30.6 30.6 - - - - - - - -

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

196 196 196 196 196 196 196 196 196 196 196

n/a 24.3 24.3 24.3 24.3 24.3 24.3 24.3 24.3 24.3 24.3 24.3

1 196 193 184 170 150 126 101 76.7 51.5 26 0

24.3 24.3 24.3 24.3 24.3 24.3 24.3 23.4 17.4 9.62 0

169 169 169 169 169 169 169 169 169 169 169

n/a 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7

1 169 166 159 147 130 109 87.7 66.2 44.5 22.4 0

20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.1 15 8.32 0

148 148 148 148 148 148 148 148 148 148 148

n/a 18 18 18 18 18 18 18 18 18 18 18

1 148 146 140 129 114 95.7 77 58.1 39 19.6 0

18 18 18 18 18 18 18 17.6 13.2 7.29 0

      Pz = Agpy = 1370 Mcy

Mrx

Mry

   356x127x33 Mcx

      Pz = Agpy = 1160 Mcy

Mrx

Mry

   305x165x54 Mcx

      Pz = Agpy = 1890 Mcy

Mrx

Mry

   305x165x46 Mcx

      Pz = Agpy = 1610 Mcy

Mrx

Mry

   305x165x40 Mcx

      Pz = Agpy = 1410 Mcy

Mrx

Mry

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   305x127x48 Mcx

      Pz = Agpy = 1680 Mcy

Mrx

Mry

   305x127x42 Mcx

      Pz = Agpy = 1470 Mcy

Mrx

Mry

   305x127x37 Mcx

      Pz = Agpy = 1300 Mcy

Mrx

Mry

Page 13: Steel Section Capacities BS 5950 Spreadsheet

132 132 132 132 132 130 129 128 126 121 $

0.935 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5 $

0.404 132 130 125 116 103 - - - - - -

12.5 12.5 12.5 12.5 12.5 - - - - - -

111 111 111 111 108 104 103 101 96 72.4 $

0.805 10.1 10.1 10.1 10.1 10.1 10.1 10.1 10.1 10.1 6.35 $

0.361 111 109 105 97.5 - - - - - - -

10.1 10.1 10.1 10.1 - - - - - - -

94.1 94.1 94.1 94.1 92.1 87 85.3 82.9 56.8 56.8 $

0.761 7.99 7.99 7.99 7.99 7.99 7.99 7.99 7.99 4.71 4.71 $

0.372 94.1 92.9 89.3 83.4 - - - - - - -

7.99 7.99 7.99 7.99 - - - - - - -

156 156 156 156 156 156 156 156 156 156 156

n/a 30.4 30.4 30.4 30.4 30.4 30.4 30.4 30.4 30.4 30.4 30.4

1 156 153 144 130 112 94.3 76 57.4 38.6 19.4 0

30.4 30.4 30.4 30.4 30.4 30.4 30.4 26 18.9 10.3 0

133 133 133 133 133 133 133 133 133 133 133

n/a 25.7 25.7 25.7 25.7 25.7 25.7 25.7 25.7 25.7 25.7 25.7

1 133 130 123 111 95.9 80.5 64.8 48.9 32.8 16.5 0

25.7 25.7 25.7 25.7 25.7 25.7 25.7 22.2 16.2 8.8 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

108 108 108 108 108 108 108 108 108 108 108

n/a 20.2 20.2 20.2 20.2 20.2 20.2 20.2 20.2 20.2 20.2 20.2

1 108 106 101 91.8 79.7 66.8 53.7 40.5 27.1 13.6 0

20.2 20.2 20.2 20.2 20.2 20.2 20.2 18.3 13.4 7.35 0

97.1 97.1 97.1 97.1 97.1 97.1 97.1 97.1 97.1 97.1 97.1

n/a 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5

1 97.1 95.7 91.4 84.3 74.3 62.4 50.3 38 25.5 12.8 0

11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.2 8.35 4.62 0

84.2 84.2 84.2 84.2 84.2 84.2 84.2 84.2 84.2 84.2 84.2

n/a 9.64 9.64 9.64 9.64 9.64 9.64 9.64 9.64 9.64 9.64 9.64

1 84.2 83 79.5 73.6 65.4 54.9 44.2 33.3 22.4 11.2 0

   305x102x33 Mcx

      Pz = Agpy = 1150 Mcy

Mrx

Mry

   305x102x28 Mcx

      Pz = Agpy = 987 Mcy

Mrx

Mry

   305x102x25 Mcx

      Pz = Agpy = 869 Mcy

Mrx

Mry

   254x146x43 Mcx

      Pz = Agpy = 1510 Mcy

Mrx

Mry

   254x146x37 Mcx

      Pz = Agpy = 1300 Mcy

Mrx

Mry

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   254x146x31 Mcx

      Pz = Agpy = 1090 Mcy

Mrx

Mry

   254x102x28 Mcx

      Pz = Agpy = 993 Mcy

Mrx

Mry

   254x102x25 Mcx

      Pz = Agpy = 880 Mcy

Mrx

Page 14: Steel Section Capacities BS 5950 Spreadsheet

9.64 9.64 9.64 9.64 9.64 9.64 9.64 9.64 7.29 4.06 0

71.2 71.2 71.2 71.2 71.2 71.2 71.2 71.2 71.2 71.2 71.2

n/a 7.76 7.76 7.76 7.76 7.76 7.76 7.76 7.76 7.76 7.76 7.76

1 71.2 70.3 67.4 62.7 56.1 47.6 38.3 28.9 19.3 9.73 0

7.76 7.76 7.76 7.76 7.76 7.76 7.76 7.76 6.24 3.52 0

86.4 86.4 86.4 86.4 86.4 86.4 86.4 86.4 86.4 86.4 86.4

n/a 19 19 19 19 19 19 19 19 19 19 19

1 86.4 84.8 80.1 72.2 62.5 52.4 42.2 31.9 21.4 10.8 0

19 19 19 19 19 19 19 16.4 12 6.51 0

71 71 71 71 71 71 71 71 71 71 71

n/a 15.2 15.2 15.2 15.2 15.2 15.2 15.2 15.2 15.2 15.2 15.2

1 71 69.7 66 59.8 51.7 43.4 34.9 26.3 17.7 8.89 0

15.2 15.2 15.2 15.2 15.2 15.2 15.2 13.5 9.92 5.41 0

64.4 64.4 64.4 64.4 64.4 64.4 64.4 64.4 64.4 64.4 64.4

n/a 10.6 10.6 10.6 10.6 10.6 10.6 10.6 10.6 10.6 10.6 10.6

1 64.4 63.2 59.9 54.4 47.2 39.6 31.9 24.1 16.2 8.16 0

10.6 10.6 10.6 10.6 10.6 10.6 10.6 9.47 6.95 3.8 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

47 47 47 47 47 47 47 47 47 47 47

n/a 8.91 8.91 8.91 8.91 8.91 8.91 8.91 8.91 8.91 8.91 8.91

1 47 46.2 43.6 39.4 34.2 28.7 23.1 17.5 11.7 5.9 0

8.91 8.91 8.91 8.91 8.91 8.91 8.91 7.83 5.73 3.12 0

33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8

n/a 6.67 6.67 6.67 6.67 6.67 6.67 6.67 6.67 6.67 6.67 6.67

1 33.8 33.2 31.3 28.2 24.4 20.5 16.5 12.5 8.38 4.22 0

6.67 6.67 6.67 6.67 6.67 6.67 6.67 5.77 4.22 2.29 0

23.2 23.2 23.2 23.2 23.2 23.2 23.2 23.2 23.2 23.2 23.2

n/a 4.85 4.85 4.85 4.85 4.85 4.85 4.85 4.85 4.85 4.85 4.85

1 23.2 22.7 21.3 19 16.4 13.8 11.1 8.42 5.66 2.86 0

4.85 4.85 4.85 4.85 4.85 4.85 4.85 4.06 2.96 1.6 0

Mry

   254x102x22 Mcx

      Pz = Agpy = 770 Mcy

Mrx

Mry

   203x133x30 Mcx

      Pz = Agpy = 1050 Mcy

Mrx

Mry

   203x133x25 Mcx

      Pz = Agpy = 880 Mcy

Mrx

Mry

   203x102x23 Mcx

      Pz = Agpy = 809 Mcy

Mrx

Mry

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   178x102x19 Mcx

      Pz = Agpy = 668 Mcy

Mrx

Mry

   152x89x16 Mcx

      Pz = Agpy = 558 Mcy

Mrx

Mry

   127x76x13 Mcx

      Pz = Agpy = 454 Mcy

Mrx

Mry

Page 15: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Limit for

Capacities

(kN) 2 3 4 5 6 7 8 9 10 11 12 13

1 15800 15800 15800 15800 15800 15800 15700 15600 15400 15300 15100 15000

14700 13200 11600 9930 8310 6890 5720 4780 4040 3450 2970 2580

1 5920 5820 5280 4770 4300 3890 3530 3220 2960 2730 2540 2370

5920 5920 5920 5800 5420 5020 4630 4230 3840 3480 3140 2840

1 14200 14200 14200 14200 14200 14200 14100 14000 13900 13800 13700 13600

13300 12200 10900 9370 7840 6470 5330 4430 3730 3160 2720 2350

1 5290 5170 4670 4190 3750 3360 3030 2750 2510 2310 2130 1990

5290 5290 5290 5170 4820 4470 4110 3750 3400 3070 2770 2500

1 12700 12800 12700 12800 12800 12800 12700 12600 12500 12400 12300 12200

11900 10900 9680 8310 6930 5700 4690 3890 3270 2770 2380 2060

1 4730 4590 4120 3670 3260 2900 2590 2330 2120 1940 1780 1650

4730 4730 4730 4590 4280 3960 3630 3310 2990 2700 2430 2190

0.986 11800 11800 11800 11800 11800 11800 11700 11700 11600 11500 11500 11400

11200 10400 9350 8080 6730 5500 4490 3710 3090 2610 2230 1930

0.986 3800 3750 3390 3040 2720 2420 2170 1950 1770 1620 1490 1380

3800 3800 3800 3680 3430 3170 2900 2640 2390 2150 1930 1740

0.405 4400 4240 3780 3350 2940 2590 2300 2050 1850 1680 1540 1420

4400 4400 4400 4250 3960 3660 3360 3050 2760 2490 2240 2010

0.845 10600 10600 10600 10600 10600 10600 10500 10500 10400 10400 10300 10200

10000 9310 8360 7200 5970 4860 3970 3270 2730 2300 1970 1700

0.845 3410 3350 3020 2690 2380 2110 1870 1670 1510 1370 1260 1160

3410 3410 3410 3290 3060 2830 2590 2350 2120 1910 1710 1540

0.343 3940 3770 3350 2950 2570 2250 1980 1750 1570 1420 1300 1190

3940 3940 3940 3790 3530 3260 2980 2710 2440 2200 1970 1770

0.662 9200 9200 9200 9200 9200 9200 9150 9100 9050 9000 8940 8890

8710 8070 7240 6230 5160 4200 3430 2820 2350 1990 1700 1470

0.662 2970 2900 2600 2300 2020 1770 1560 1380 1240 1120 1020 931

2970 2970 2970 2860 2660 2450 2240 2030 1830 1650 1480 1330

0.258 3400 3250 2870 2510 2170 1880 1640 1440 1280 1150 1050 956

3400 3400 3400 3270 3040 2810 2570 2330 2100 1890 1700 1530

0.662 8400 8400 8400 8400 8400 8390 8350 8300 8250 8200 8150 8100

7910 7280 6470 5480 4470 3610 2930 2400 2000 1680 1440 1240

0.662 2600 2520 2250 1970 1720 1490 1300 1140 1020 911 825 752

2600 2600 2600 2470 2290 2100 1900 1720 1540 1380 1230 1100

0.282 3010 2840 2490 2160 1850 1580 1370 1190 1050 940 848 772

3010 3010 3010 2850 2640 2420 2200 1980 1780 1590 1420 1270

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

   1016x305x487 # + Pcx

      Pz = Agpy = 15800 Pcy

      pyZx = 5030 Mb

      pyZy = 442 Mbs

   1016x305x437 # + Pcx

      Pz = Agpy = 14200 Pcy

      pyZx = 4520 Mb

      pyZy = 391 Mbs

   1016x305x393 # + Pcx

      Pz = Agpy = 12800 Pcy

      pyZx = 4050 Mb

      pyZy = 345 Mbs

 * 1016x305x349 # + Pcx

      Pz = Agpy = 11800 Pcy

      pyZx = 3800 Mb

      pyZy = 324 Mbs

Mb

Mbs

 * 1016x305x314 # + Pcx

      Pz = Agpy = 10600 Pcy

      pyZx = 3410 Mb

      pyZy = 287 Mbs

Mb

Mbs

 * 1016x305x272 # + Pcx

      Pz = Agpy = 9200 Pcy

      pyZx = 2970 Mb

      pyZy = 248 Mbs

Mb

Mbs

 * 1016x305x249 # + Pcx

      Pz = Agpy = 8400 Pcy

      pyZx = 2600 Mb

      pyZy = 208 Mbs

Mb

Mbs

Page 16: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Limit for

Capacities

(kN) 2 3 4 5 6 7 8 9 10 11 12 13

0.627 7500 7500 7500 7500 7500 7480 7440 7400 7360 7310 7260 7220

7010 6410 5610 4670 3750 3000 2420 1980 1640 1380 1180 1010

0.627 2230 2130 1890 1640 1420 1220 1050 917 808 721 649 589

2230 2230 2230 2080 1910 1740 1570 1400 1250 1110 988 881

0.287 2600 2420 2100 1800 1520 1290 1100 954 837 743 667 604

2600 2600 2600 2420 2230 2030 1830 1640 1460 1290 1150 1030

1 13100 13100 13100 13100 13100 13100 13000 12900 12800 12800 12700 12600

12900 12400 11800 11100 10300 9420 8410 7400 6470 5640 4930 4330

1 4680 4680 4650 4320 3990 3680 3380 3100 2850 2620 2420 2240

4680 4680 4680 4680 4680 4620 4420 4210 3990 3780 3560 3340

0.983 11600 11600 11600 11600 11600 11600 11500 11400 11400 11300 11200 11100

11400 11000 10400 9820 9090 8250 7340 6440 5610 4890 4270 3740

0.983 3640 3640 3640 3410 3170 2930 2690 2480 2270 2090 1930 1790

3640 3640 3640 3640 3640 3580 3410 3250 3080 2910 2740 2560

0.348 4100 4100 4050 3750 3460 3170 2890 2640 2400 2200 2020 1860

4100 4100 4100 4100 4100 4030 3850 3660 3470 3280 3080 2890

0.946 9750 9750 9750 9750 9750 9720 9670 9610 9550 9490 9430 9360

9270 8610 7780 6740 5630 4620 3780 3120 2610 2200 1880 1630

0.946 2880 2850 2580 2300 2050 1810 1610 1440 1300 1180 1080 990

2880 2880 2880 2800 2610 2420 2220 2020 1830 1650 1490 1340

0.411 3330 3220 2870 2530 2220 1940 1700 1510 1350 1220 1110 1020

3330 3330 3330 3230 3020 2790 2560 2340 2110 1910 1720 1550

0.783 8560 8560 8560 8560 8560 8530 8480 8430 8380 8330 8270 8210

8120 7530 6780 5850 4860 3970 3250 2680 2230 1890 1610 1390

0.783 2520 2480 2230 1980 1740 1530 1350 1190 1070 961 873 799

2520 2520 2520 2430 2270 2090 1920 1740 1580 1420 1280 1150

0.335 2900 2780 2470 2160 1880 1630 1420 1250 1110 994 900 822

2900 2900 2900 2800 2610 2410 2210 2010 1810 1630 1470 1320

0.679 7580 7580 7580 7580 7580 7550 7510 7460 7410 7370 7310 7260

7170 6620 5930 5080 4190 3400 2770 2280 1900 1600 1370 1180

0.679 2190 2140 1910 1690 1480 1280 1120 985 873 782 706 644

2190 2190 2190 2100 1950 1800 1640 1490 1340 1200 1080 966

0.295 2530 2410 2130 1850 1590 1360 1180 1030 905 807 727 661

2530 2530 2530 2420 2250 2070 1890 1710 1540 1380 1240 1110

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECT

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

 * 1016x305x222 # + Pcx

      Pz = Agpy = 7500 Pcy

      pyZx = 2230 Mb

      pyZy = 169 Mbs

Mb

Mbs

   914x419x388 # Pcx

      Pz = Agpy = 13100 Pcy

      pyZx = 4140 Mb

      pyZy = 573 Mbs

 * 914x419x343 # Pcx

      Pz = Agpy = 11600 Pcy

      pyZx = 3640 Mb

      pyZy = 496 Mbs

Mb

Mbs

 * 914x305x289 # Pcx

      Pz = Agpy = 9750 Pcy

      pyZx = 2880 Mb

      pyZy = 269 Mbs

Mb

Mbs

 * 914x305x253 # Pcx

      Pz = Agpy = 8560 Pcy

      pyZx = 2520 Mb

      pyZy = 231 Mbs

Mb

Mbs

 * 914x305x224 # Pcx

      Pz = Agpy = 7580 Pcy

      pyZx = 2190 Mb

      pyZy = 196 Mbs

Mb

Mbs

Page 17: Steel Section Capacities BS 5950 Spreadsheet

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Limit for

Capacities

(kN) 2 3 4 5 6 7 8 9 10 11 12 13

0.62 6780 6780 6780 6780 6780 6750 6710 6670 6630 6580 6540 6490

6380 5880 5210 4410 3600 2900 2350 1930 1600 1350 1150 996

0.62 1910 1850 1650 1440 1250 1080 932 813 717 638 573 520

1910 1910 1910 1810 1670 1530 1390 1260 1130 1010 899 804

0.281 2210 2090 1830 1580 1340 1140 977 847 742 658 590 533

2210 2210 2210 2100 1940 1780 1610 1460 1300 1170 1040 932

0.792 7660 7660 7660 7660 7660 7610 7560 7510 7460 7410 7350 7300

7240 6690 5990 5130 4230 3430 2800 2300 1920 1620 1380 1190

0.792 2120 2060 1850 1630 1430 1260 1100 979 875 790 718 659

2120 2120 2120 2030 1880 1740 1580 1430 1290 1160 1040 933

0.326 2430 2310 2040 1780 1540 1330 1160 1020 907 815 739 676

2430 2430 2430 2330 2160 1990 1820 1640 1480 1330 1190 1070

0.68 6550 6550 6550 6550 6540 6500 6460 6410 6370 6320 6270 6220

6160 5670 5030 4250 3460 2790 2260 1850 1540 1300 1110 958

0.68 1760 1700 1510 1320 1150 993 863 757 670 600 542 493

1760 1760 1760 1670 1540 1410 1280 1160 1040 925 826 739

0.292 2020 1910 1670 1440 1230 1050 904 787 693 618 556 506

2020 2020 2020 1920 1770 1630 1480 1330 1190 1060 951 851

0.623 5940 5940 5940 5940 5930 5890 5850 5810 5770 5730 5680 5630

5560 5100 4490 3750 3030 2430 1960 1610 1330 1120 958 826

0.623 1560 1500 1320 1150 992 852 735 640 564 502 451 409

1560 1560 1560 1460 1350 1230 1110 998 891 794 707 631

0.277 1800 1680 1470 1250 1060 899 769 665 583 517 463 419

1800 1800 1800 1690 1560 1420 1290 1150 1030 917 817 729

0.89 6650 6650 6650 6650 6620 6580 6530 6480 6430 6380 6320 6260

6200 5650 4920 4070 3250 2590 2080 1700 1410 1190 1010 871

0.89 1650 1560 1380 1210 1050 911 799 708 634 573 523 481

1650 1650 1650 1530 1400 1270 1140 1020 907 805 715 636

0.374 1900 1750 1520 1310 1120 961 836 736 656 591 537 493

1900 1900 1900 1760 1610 1460 1320 1170 1040 925 822 732

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

 * 914x305x201 # Pcx

      Pz = Agpy = 6780 Pcy

      pyZx = 1910 Mb

      pyZy = 165 Mbs

Mb

Mbs

 * 838x292x226 # Pcx

      Pz = Agpy = 7660 Pcy

      pyZx = 2120 Mb

      pyZy = 205 Mbs

Mb

Mbs

 * 838x292x194 # Pcx

      Pz = Agpy = 6550 Pcy

      pyZx = 1760 Mb

      pyZy = 164 Mbs

Mb

Mbs

 * 838x292x176 # Pcx

      Pz = Agpy = 5940 Pcy

      pyZx = 1560 Mb

      pyZy = 142 Mbs

Mb

Mbs

 * 762x267x197 Pcx

      Pz = Agpy = 6650 Pcy

      pyZx = 1650 Mb

      pyZy = 162 Mbs

Mb

Mbs

Page 18: Steel Section Capacities BS 5950 Spreadsheet

Section Designation

and Limit for

Capacities

(kN) 2 3 4 5 6 7 8 9 10 11 12 13

0.774 5830 5830 5830 5830 5800 5760 5720 5680 5630 5580 5530 5480

5420 4910 4250 3480 2760 2190 1750 1430 1190 997 849 731

0.774 1430 1340 1180 1020 873 751 652 573 509 457 415 379

1430 1430 1420 1310 1200 1080 969 861 762 674 598 531

0.334 1640 1500 1290 1100 928 790 680 594 525 470 425 388

1640 1640 1630 1510 1380 1250 1110 991 877 776 688 611

0.64 4960 4960 4960 4960 4930 4890 4860 4820 4780 4740 4690 4640

4580 4130 3530 2850 2240 1760 1410 1150 950 798 679 585

0.64 1180 1100 955 816 691 587 504 438 386 344 310 281

1180 1180 1160 1070 974 876 780 689 607 535 473 420

0.282 1370 1230 1050 880 733 616 524 453 397 353 317 288

1370 1370 1340 1230 1120 1010 899 795 700 617 546 484

0.55 4700 4700 4700 4700 4670 4640 4600 4570 4530 4490 4440 4390

4320 3870 3260 2590 2020 1580 1260 1020 844 708 602 518

0.55 1100 1010 873 738 619 521 443 383 335 297 266 241

1100 1100 1070 984 891 796 704 619 543 477 420 371

0.24 1280 1130 959 794 655 545 460 395 344 304 272 246

1280 1280 1240 1140 1030 920 814 715 627 551 485 429

0.941 5750 5750 5750 5750 5700 5660 5610 5560 5510 5460 5400 5330

5340 4830 4160 3390 2690 2130 1700 1390 1150 967 824 709

0.941 1300 1220 1070 930 805 700 614 545 489 443 405 373

1300 1300 1290 1190 1090 981 877 778 688 608 538 478

0.384 1490 1360 1170 1000 856 736 641 565 505 456 416 382

1490 1490 1480 1360 1240 1120 1000 891 788 697 617 548

0.812 5140 5140 5140 5140 5100 5060 5010 4970 4920 4870 4820 4760

4760 4300 3690 2990 2360 1860 1490 1210 1010 845 719 619

0.812 1160 1080 940 810 694 598 520 458 409 368 335 307

1160 1160 1140 1050 959 864 771 683 603 532 470 417

0.331 1330 1190 1030 870 735 627 541 474 421 378 343 314

1330 1330 1310 1200 1100 988 881 780 689 608 538 477

0.732 4720 4720 4720 4710 4670 4640 4600 4560 4510 4470 4420 4360

4360 3930 3350 2700 2120 1670 1340 1090 901 757 644 555

0.732 1060 975 848 726 618 529 458 401 356 319 289 264

1060 1060 1040 954 868 780 694 613 540 476 421 373

0.301 1210 1080 926 779 654 553 475 414 366 327 296 270

1210 1210 1190 1090 992 892 793 701 618 544 481 427

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

 * 762x267x173 Pcx

      Pz = Agpy = 5830 Pcy

      pyZx = 1430 Mb

      pyZy = 136 Mbs

Mb

Mbs

 * 762x267x147 Pcx

      Pz = Agpy = 4960 Pcy

      pyZx = 1180 Mb

      pyZy = 109 Mbs

Mb

Mbs

 * 762x267x134 Pcx

      Pz = Agpy = 4700 Pcy

      pyZx = 1100 Mb

      pyZy = 99.6 Mbs

Mb

Mbs

 * 686x254x170 Pcx

      Pz = Agpy = 5750 Pcy

      pyZx = 1300 Mb

      pyZy = 137 Mbs

Mb

Mbs

 * 686x254x152 Pcx

      Pz = Agpy = 5140 Pcy

      pyZx = 1160 Mb

      pyZy = 121 Mbs

Mb

Mbs

 * 686x254x140 Pcx

      Pz = Agpy = 4720 Pcy

      pyZx = 1060 Mb

      pyZy = 108 Mbs

Mb

Mbs

Page 19: Steel Section Capacities BS 5950 Spreadsheet

Section Designation

and Limit for

Capacities

(kN) 2 3 4 5 6 7 8 9 10 11 12 13

0.663 4210 4210 4210 4210 4170 4140 4100 4070 4030 3980 3940 3890

3870 3470 2930 2340 1820 1430 1140 925 765 642 546 470

0.663 922 843 728 617 520 441 378 329 290 258 233 212

922 922 898 822 745 666 589 518 455 400 352 312

0.283 1060 938 795 661 549 460 392 339 298 265 238 216

1060 1060 1030 944 854 764 676 595 522 459 404 358

1 8030 8030 8030 8000 7940 7870 7800 7730 7650 7560 7470 7360

7720 7260 6700 5990 5180 4370 3650 3050 2570 2180 1870 1620

1 1980 1980 1810 1640 1480 1340 1220 1110 1020 942 874 815

1980 1980 1980 1980 1870 1760 1640 1510 1390 1270 1160 1060

1 6040 6040 6040 6020 5970 5920 5860 5810 5740 5680 5600 5520

5800 5440 5000 4440 3820 3200 2660 2210 1860 1580 1350 1170

1 1470 1450 1310 1170 1040 924 823 737 665 605 554 511

1470 1470 1470 1460 1380 1290 1200 1100 1010 921 837 760

0.836 5040 5040 5040 5010 4970 4930 4880 4830 4780 4730 4660 4600

4830 4520 4150 3680 3150 2630 2180 1820 1520 1290 1110 960

0.836 1090 1090 985 884 787 698 619 552 496 449 409 376

1090 1090 1090 1080 1020 949 880 811 742 676 614 556

0.274 1220 1190 1070 953 838 736 648 574 513 462 420 385

1220 1220 1220 1210 1140 1060 984 906 829 755 686 622

0.962 4720 4720 4720 4690 4650 4610 4560 4520 4470 4410 4350 4280

4300 3810 3170 2480 1910 1490 1190 962 794 666 566 487

0.962 960 864 747 639 548 474 415 368 331 300 275 254

960 960 921 839 754 669 588 514 448 392 345 304

0.386 1100 957 813 684 578 495 431 381 341 308 282 259

1100 1100 1050 959 862 765 672 587 513 449 394 348

0.828 4210 4210 4210 4190 4150 4120 4080 4030 3990 3940 3880 3820

3830 3390 2800 2180 1680 1310 1040 841 694 582 494 425

0.828 854 762 654 554 470 403 350 309 275 249 227 208

854 854 816 742 665 589 516 450 392 343 301 266

0.332 974 842 709 591 494 420 362 318 283 255 232 213

974 974 931 846 759 672 589 514 448 391 343 303

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Limit for

Capacities

(kN) 2 3 4 5 6 7 8 9 10 11 12 13

0.739 3820 3820 3820 3790 3760 3720 3690 3650 3610 3560 3510 3450

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

 * 686x254x125 Pcx

      Pz = Agpy = 4210 Pcy

      pyZx = 922 Mb

      pyZy = 91.7 Mbs

Mb

Mbs

   610x305x238 Pcx

      Pz = Agpy = 8030 Pcy

      pyZx = 1750 Mb

      pyZy = 270 Mbs

   610x305x179 Pcx

      Pz = Agpy = 6040 Pcy

      pyZx = 1310 Mb

      pyZy = 197 Mbs

 * 610x305x149 Pcx

      Pz = Agpy = 5040 Pcy

      pyZx = 1090 Mb

      pyZy = 162 Mbs

Mb

Mbs

 * 610x229x140 Pcx

      Pz = Agpy = 4720 Pcy

      pyZx = 960 Mb

      pyZy = 104 Mbs

Mb

Mbs

 * 610x229x125 Pcx

      Pz = Agpy = 4210 Pcy

      pyZx = 854 Mb

      pyZy = 90.9 Mbs

Mb

Mbs

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

 * 610x229x113 Pcx

Page 20: Steel Section Capacities BS 5950 Spreadsheet

3460 3040 2490 1930 1480 1150 910 737 608 509 433 372

0.739 762 673 573 481 404 343 296 259 230 207 187 172

762 762 723 656 586 517 451 392 341 298 261 230

0.3 868 743 621 512 424 357 305 266 236 211 191 175

869 869 825 748 669 590 515 448 390 340 298 263

0.65 3550 3550 3550 3520 3490 3460 3420 3380 3340 3300 3240 3190

3190 2770 2230 1690 1280 990 782 632 520 436 370 318

0.65 692 600 504 417 345 289 247 214 189 168 152 139

692 692 646 582 516 452 391 338 292 254 222 195

0.273 781 663 545 442 361 300 254 220 193 172 155 141

792 792 740 667 592 517 448 387 335 291 254 223

1 4110 4110 4100 4060 4020 3980 3930 3880 3820 3760 3690 3610

3690 3200 2570 1960 1480 1150 906 732 603 505 429 368

1 836 715 602 504 427 368 322 286 257 234 215 199

847 847 791 712 631 551 477 412 357 310 271 238

0.988 3680 3680 3680 3640 3600 3560 3520 3480 3420 3370 3300 3230

3300 2850 2270 1720 1300 1000 791 639 526 440 374 321

0.988 656 568 481 405 343 295 258 229 205 186 171 157

656 656 609 547 483 421 363 313 271 235 205 180

0.392 736 625 520 430 360 307 267 235 211 191 174 161

749 749 696 624 551 480 415 358 309 268 234 206

0.885 3420 3420 3410 3380 3350 3310 3270 3230 3180 3130 3070 3000

3060 2630 2090 1580 1190 918 725 586 482 403 342 294

0.885 607 522 440 368 309 264 230 203 181 164 150 138

607 607 562 504 445 387 334 287 248 215 188 165

0.348 678 573 474 389 324 274 237 208 186 168 153 141

692 692 641 574 507 441 380 327 283 245 214 188

0.772 3220 3220 3210 3180 3140 3110 3070 3030 2980 2930 2870 2800

2860 2440 1910 1420 1070 820 646 521 429 358 304 261

0.772 564 481 401 331 275 232 200 175 156 140 128 117

570 570 521 465 408 353 303 260 223 193 168 148

0.307 629 528 430 349 286 240 206 180 159 143 130 119

649 649 594 530 465 402 345 296 254 220 192 168

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Limit for

Capacities

(kN) 2 3 4 5 6 7 8 9 10 11 12 13

0.709 2890 2890 2880 2850 2820 2790 2750 2710 2670 2620 2560 2500

2550 2150 1660 1220 913 699 550 443 364 304 258 222

0.709 487 412 340 276 227 190 162 141 125 112 101 92.4

495 495 447 397 346 297 254 217 186 160 139 122

      Pz = Agpy = 3820 Pcy

      pyZx = 762 Mb

      pyZy = 79.8 Mbs

Mb

Mbs

 * 610x229x101 Pcx

      Pz = Agpy = 3550 Pcy

      pyZx = 692 Mb

      pyZy = 70.4 Mbs

Mb

Mbs

   533x210x122 Pcx

      Pz = Agpy = 4110 Pcy

      pyZx = 740 Mb

      pyZy = 84.8 Mbs

 * 533x210x109 Pcx

      Pz = Agpy = 3680 Pcy

      pyZx = 656 Mb

      pyZy = 73.9 Mbs

Mb

Mbs

 * 533x210x101 Pcx

      Pz = Agpy = 3420 Pcy

      pyZx = 607 Mb

      pyZy = 67.8 Mbs

Mb

Mbs

 * 533x210x92 Pcx

      Pz = Agpy = 3220 Pcy

      pyZx = 570 Mb

      pyZy = 62.7 Mbs

Mb

Mbs

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

 * 533x210x82 Pcx

      Pz = Agpy = 2890 Pcy

      pyZx = 495 Mb

      pyZy = 52.8 Mbs

Page 21: Steel Section Capacities BS 5950 Spreadsheet

0.295 545 453 364 291 236 196 167 144 127 114 103 93.9

566 566 512 454 396 340 290 248 212 183 159 140

1 3310 3310 3290 3250 3210 3170 3120 3060 3000 2930 2850 2750

2920 2470 1910 1410 1060 810 638 514 422 353 300 257

1 570 481 401 334 283 245 215 192 173 158 145 135

591 591 535 475 414 356 304 260 223 193 168 147

1 3020 3020 3000 2960 2930 2890 2840 2790 2730 2670 2590 2500

2660 2240 1720 1270 948 726 572 461 379 316 268 230

1 512 429 353 291 245 209 183 162 146 133 122 112

534 534 481 426 370 318 271 231 199 171 149 131

0.957 2860 2860 2840 2800 2770 2730 2680 2630 2580 2510 2430 2340

2500 2080 1570 1150 852 651 511 411 338 282 239 205

0.957 430 363 301 249 208 178 155 137 123 112 102 94.3

443 439 394 347 300 256 217 184 158 136 118 103

0.37 478 396 322 261 217 184 159 141 126 114 104 96

504 499 448 395 341 291 247 210 179 154 134 117

0.825 2600 2600 2580 2550 2520 2480 2440 2400 2340 2280 2210 2130

2270 1880 1420 1030 766 585 459 369 303 253 215 184

0.825 388 326 267 218 181 154 133 117 104 94.3 86.1 79.2

401 396 355 313 270 230 195 165 141 121 105 92.2

0.312 430 354 284 229 188 158 136 120 106 96.1 87.6 80.5

455 449 403 354 306 260 221 187 160 138 119 104

0.751 2350 2350 2330 2300 2270 2240 2200 2160 2110 2050 1990 1910

2040 1680 1250 906 670 510 400 322 264 221 187 160

0.751 343 286 232 187 154 129 111 96.9 86.1 77.4 70.4 64.6

356 350 313 274 235 200 169 143 122 105 90.7 79.3

0.293 380 310 246 196 159 133 113 99 87.7 78.8 71.6 65.6

405 397 355 311 267 226 191 162 138 119 103 90

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Limit for

Capacities

(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9

1 2780 2780 2780 2780 2780 2780 2760 2730 2690 2650 2610 2560

2660 2480 2250 1980 1670 1380 1140 790 573 432 337 270

1 480 469 422 376 333 295 263 212 177 152 133 119

480 480 480 471 441 410 378 315 258 211 174 144

0.94 2500 2500 2500 2500 2500 2500 2480 2450 2420 2390 2350 2310

2390 2220 2020 1760 1480 1220 1010 696 504 380 297 237

0.94 375 372 337 303 270 241 215 174 145 124 109 96.6

375 375 375 367 343 318 293 243 199 162 133 111

0.386 431 419 375 333 293 257 227 182 150 128 111 98.8

Mb

Mbs

   457x191x98 Pcx

      Pz = Agpy = 3310 Pcy

      pyZx = 519 Mb

      pyZy = 64.4 Mbs

   457x191x89 Pcx

      Pz = Agpy = 3020 Pcy

      pyZx = 469 Mb

      pyZy = 57.8 Mbs

 * 457x191x82 Pcx

      Pz = Agpy = 2860 Pcy

      pyZx = 443 Mb

      pyZy = 53.9 Mbs

Mb

Mbs

 * 457x191x74 Pcx

      Pz = Agpy = 2600 Pcy

      pyZx = 401 Mb

      pyZy = 48.4 Mbs

Mb

Mbs

 * 457x191x67 Pcx

      Pz = Agpy = 2350 Pcy

      pyZx = 356 Mb

      pyZy = 42.1 Mbs

Mb

Mbs

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

   457x152x82 Pcx

      Pz = Agpy = 2780 Pcy

      pyZx = 416 Mb

      pyZy = 40.5 Mbs

 * 457x152x74 Pcx

      Pz = Agpy = 2500 Pcy

      pyZx = 375 Mb

      pyZy = 36 Mbs

Mb

Page 22: Steel Section Capacities BS 5950 Spreadsheet

431 431 431 422 394 366 337 280 229 186 153 127

0.825 2350 2350 2350 2350 2350 2340 2330 2300 2270 2240 2200 2160

2230 2080 1870 1620 1340 1100 896 616 445 335 261 209

0.825 347 341 308 274 242 213 188 150 123 105 90.7 80.2

347 347 347 336 313 290 266 218 177 143 117 97.1

0.345 400 384 342 300 261 227 198 156 127 107 92.8 81.9

400 400 400 386 360 333 306 251 204 165 135 112

0.692 2100 2100 2100 2100 2100 2090 2070 2050 2020 1990 1960 1920

1990 1840 1650 1420 1180 959 782 537 387 291 227 181

0.692 309 302 271 240 210 184 161 126 103 86.5 74.5 65.5

309 309 309 297 277 255 234 192 155 125 102 84.5

0.285 354 338 300 262 226 195 169 131 106 88.5 76.1 66.7

354 354 354 341 317 293 268 220 177 143 117 97

0.619 1830 1830 1830 1830 1830 1820 1810 1790 1760 1740 1710 1670

1730 1590 1420 1200 983 793 643 439 316 237 184 147

0.619 261 253 226 198 172 149 129 99.4 79.8 66.3 56.6 49.4

261 261 261 248 230 211 192 156 125 100 81.4 67.2

0.268 301 285 250 216 184 157 135 103 81.9 67.8 57.7 50.3

301 301 301 286 266 244 222 180 144 116 94 77.6

1 2600 2600 2600 2600 2600 2580 2560 2530 2490 2450 2400 2340

2530 2400 2240 2050 1830 1580 1350 971 715 545 427 343

1 413 413 386 351 318 286 257 210 176 150 131 117

413 413 413 413 403 381 359 313 267 226 190 161

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Limit for

Capacities

(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9

0.965 2350 2350 2350 2350 2350 2330 2320 2290 2250 2210 2170 2120

2280 2160 2020 1850 1640 1410 1200 861 633 482 377 303

0.965 327 327 311 285 259 234 211 173 145 123 107 95.2

327 327 327 327 318 301 283 246 209 176 148 125

0.357 370 370 344 312 281 251 224 181 150 127 110 97.4

370 370 370 370 360 340 320 278 237 199 168 141

0.815 2100 2100 2100 2100 2100 2090 2070 2050 2010 1980 1940 1890

2040 1930 1810 1650 1460 1260 1070 764 562 427 335 269

0.815 292 292 277 253 229 206 185 149 123 104 90.3 79.5

292 292 292 292 284 268 252 219 186 157 131 111

0.296 330 330 305 276 247 220 195 156 128 107 92.4 81.2

330 330 330 330 320 302 284 247 210 177 148 125

0.782 1900 1900 1900 1900 1890 1880 1870 1840 1810 1780 1740 1700

1840 1730 1610 1460 1280 1090 922 655 480 364 285 229

Mbs

 * 457x152x67 Pcx

      Pz = Agpy = 2350 Pcy

      pyZx = 347 Mb

      pyZy = 32.7 Mbs

Mb

Mbs

 * 457x152x60 Pcx

      Pz = Agpy = 2100 Pcy

      pyZx = 309 Mb

      pyZy = 28.6 Mbs

Mb

Mbs

 * 457x152x52 Pcx

      Pz = Agpy = 1830 Pcy

      pyZx = 261 Mb

      pyZy = 23.3 Mbs

Mb

Mbs

   406x178x74 Pcx

      Pz = Agpy = 2600 Pcy

      pyZx = 364 Mb

      pyZy = 47.3 Mbs

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

 * 406x178x67 Pcx

      Pz = Agpy = 2350 Pcy

      pyZx = 327 Mb

      pyZy = 42.1 Mbs

Mb

Mbs

 * 406x178x60 Pcx

      Pz = Agpy = 2100 Pcy

      pyZx = 292 Mb

      pyZy = 37.1 Mbs

Mb

Mbs

 * 406x178x54 Pcx

      Pz = Agpy = 1900 Pcy

Page 23: Steel Section Capacities BS 5950 Spreadsheet

0.782 256 256 240 218 196 176 156 125 102 85.4 73.3 64.1

256 256 256 256 246 232 217 187 158 132 110 92.6

0.305 290 290 266 239 212 188 165 130 105 87.7 75 65.4

290 290 290 290 279 263 246 212 179 149 125 105

0.632 1610 1610 1610 1610 1610 1600 1590 1560 1540 1510 1480 1440

1510 1390 1230 1030 836 671 542 369 265 199 154 123

0.632 214 204 181 158 137 118 103 79.8 64.6 54.2 46.6 41

214 214 214 201 186 170 154 124 98.5 78.8 64 52.7

0.247 244 228 199 171 146 124 107 82.3 66.3 55.3 47.5 41.7

244 244 244 230 212 194 176 141 112 90 73 60.2

0.565 1370 1370 1370 1370 1360 1350 1340 1320 1300 1280 1250 1210

1270 1160 1010 827 659 523 420 284 203 152 118 94.4

0.565 173 163 143 123 105 89.2 76.5 58.2 46.4 38.4 32.7 28.4

173 173 172 159 146 133 119 94 73.8 58.6 47.4 38.9

0.24 199 182 157 133 111 93.7 79.6 60 47.5 39.1 33.2 28.9

199 199 198 184 168 153 137 108 85 67.5 54.5 44.8

1 2350 2350 2350 2350 2340 2320 2300 2270 2230 2180 2120 2050

2280 2160 2020 1850 1640 1410 1200 861 633 482 377 303

1 333 333 310 283 257 232 210 174 147 127 112 99.7

333 333 333 333 324 306 288 250 213 179 151 127

1 2000 2000 2000 2000 1980 1970 1950 1920 1890 1840 1790 1730

1930 1830 1710 1550 1370 1170 991 707 519 394 309 248

1 278 278 256 232 208 187 167 135 112 95.7 83.4 73.8

278 278 278 278 268 253 238 205 174 146 122 103

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Limit for

Capacities

(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9

0.925 1780 1780 1780 1780 1770 1760 1750 1720 1680 1650 1600 1550

1730 1630 1520 1380 1210 1030 870 619 454 344 270 216

0.925 219 219 205 187 169 151 136 110 91.2 77.4 67.2 59.4

219 219 219 219 211 198 186 160 135 113 94.6 79.5

0.326 246 246 226 203 182 161 143 115 94.1 79.5 68.7 60.6

246 246 246 246 237 223 209 180 152 127 106 89.5

0.848 1580 1580 1580 1580 1560 1550 1540 1510 1480 1450 1410 1350

1520 1430 1330 1200 1040 884 741 523 383 290 227 182

0.848 189 189 176 159 143 127 113 90.1 73.6 61.9 53.2 46.7

189 189 189 189 180 169 158 135 114 94.4 78.6 65.9

0.316 213 213 193 173 153 135 119 93.5 75.9 63.4 54.4 47.6

213 213 213 213 203 191 178 153 128 107 88.7 74.4

0.771 1370 1370 1370 1370 1360 1350 1340 1310 1290 1260 1220 1170

      pyZx = 256 Mb

      pyZy = 31.6 Mbs

Mb

Mbs

 * 406x140x46 Pcx

      Pz = Agpy = 1610 Pcy

      pyZx = 214 Mb

      pyZy = 20.8 Mbs

Mb

Mbs

 * 406x140x39 Pcx

      Pz = Agpy = 1370 Pcy

      pyZx = 173 Mb

      pyZy = 15.9 Mbs

Mb

Mbs

   356x171x67 Pcx

      Pz = Agpy = 2350 Pcy

      pyZx = 295 Mb

      pyZy = 43.2 Mbs

   356x171x57 Pcx

      Pz = Agpy = 2000 Pcy

      pyZx = 246 Mb

      pyZy = 35.5 Mbs

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

 * 356x171x51 Pcx

      Pz = Agpy = 1780 Pcy

      pyZx = 219 Mb

      pyZy = 31.1 Mbs

Mb

Mbs

 * 356x171x45 Pcx

      Pz = Agpy = 1580 Pcy

      pyZx = 189 Mb

      pyZy = 26.1 Mbs

Mb

Mbs

 * 356x127x39 Pcx

Page 24: Steel Section Capacities BS 5950 Spreadsheet

1260 1130 959 766 598 469 374 251 179 134 104 82.9

0.771 158 145 126 108 92 79 68.5 53.7 43.9 37.2 32.3 28.6

158 158 154 142 129 115 102 79 61.2 48.2 38.7 31.7

0.308 181 161 138 116 97.2 82.5 71.1 55.2 45 38 32.9 29.1

181 181 177 162 147 132 117 90.3 70 55.1 44.3 36.2

0.655 1160 1160 1160 1160 1150 1140 1130 1110 1080 1060 1020 981

1060 942 786 618 477 372 296 198 141 105 81.7 65.2

0.655 130 117 101 85 71.4 60.3 51.7 39.7 32 26.8 23 20.2

130 130 125 114 103 91.6 80.7 61.7 47.5 37.2 29.8 24.4

0.274 149 130 110 90.9 75.2 62.9 53.5 40.7 32.7 27.3 23.4 20.5

149 149 144 131 118 105 92.6 70.8 54.5 42.7 34.2 28

1 1890 1890 1890 1880 1870 1850 1830 1800 1750 1700 1630 1550

1830 1740 1620 1470 1300 1120 946 676 496 377 295 237

1 233 233 216 196 178 161 146 121 102 88.6 78.1 69.8

233 233 233 233 225 212 199 173 147 123 103 86.9

1 1610 1610 1610 1610 1590 1580 1570 1530 1500 1450 1390 1320

1560 1480 1380 1250 1100 945 799 569 418 317 248 200

1 198 198 182 165 148 133 119 96.8 80.8 69.2 60.4 53.7

198 198 198 198 191 180 169 146 124 104 86.8 73.1

0.857 1410 1410 1410 1400 1390 1380 1370 1340 1310 1260 1210 1150

1360 1290 1200 1090 955 816 688 489 359 272 213 171

0.857 154 154 144 131 118 106 94.6 76.7 63.7 54.1 47.1 41.6

154 154 154 154 148 140 131 113 95.2 79.6 66.6 56

0.261 171 171 156 141 126 112 99.3 79.5 65.5 55.4 48 42.4

171 171 171 171 165 155 145 125 106 88.6 74 62.3

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Limit for

Capacities

(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9

1 1680 1680 1680 1670 1660 1640 1630 1590 1550 1500 1430 1350

1560 1400 1200 967 759 597 477 321 229 172 133 106

1 196 178 156 136 118 104 92.4 75.3 63.5 55 48.6 43.5

196 196 192 177 161 145 129 100 78 61.6 49.6 40.6

1 1470 1470 1470 1460 1450 1430 1420 1390 1350 1300 1240 1170

1350 1220 1030 829 648 509 406 273 195 146 113 90.2

1 169 152 132 113 97.4 84.7 74.5 59.8 49.9 42.9 37.7 33.7

169 169 165 152 138 124 110 85 66 52 41.8 34.2

1 1300 1300 1300 1290 1280 1270 1250 1220 1190 1150 1090 1030

1200 1070 906 723 563 442 352 236 169 126 97.8 78

1 148 132 114 96.6 82.2 70.7 61.7 48.8 40.4 34.5 30.1 26.8

148 148 144 132 120 107 95.2 73.5 56.9 44.8 36 29.4

      Pz = Agpy = 1370 Pcy

      pyZx = 158 Mb

      pyZy = 15.6 Mbs

Mb

Mbs

 * 356x127x33 Pcx

      Pz = Agpy = 1160 Pcy

      pyZx = 130 Mb

      pyZy = 12.3 Mbs

Mb

Mbs

   305x165x54 Pcx

      Pz = Agpy = 1890 Pcy

      pyZx = 207 Mb

      pyZy = 34.9 Mbs

   305x165x46 Pcx

      Pz = Agpy = 1610 Pcy

      pyZx = 178 Mb

      pyZy = 29.7 Mbs

 * 305x165x40 Pcx

      Pz = Agpy = 1410 Pcy

      pyZx = 154 Mb

      pyZy = 25.5 Mbs

Mb

Mbs

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

   305x127x48 Pcx

      Pz = Agpy = 1680 Pcy

      pyZx = 169 Mb

      pyZy = 20.2 Mbs

   305x127x42 Pcx

      Pz = Agpy = 1470 Pcy

      pyZx = 147 Mb

      pyZy = 17.2 Mbs

   305x127x37 Pcx

      Pz = Agpy = 1300 Pcy

      pyZx = 130 Mb

      pyZy = 15 Mbs

Page 25: Steel Section Capacities BS 5950 Spreadsheet

0.935 1150 1150 1150 1140 1130 1120 1110 1090 1060 1020 976 919

1010 846 645 473 352 269 212 140 99.2 73.9 57.1 45.5

0.935 112 95.7 79.9 66.4 55.8 47.8 41.6 33 27.4 23.5 20.6 18.3

114 114 103 90.6 78.6 67.3 57.2 41.7 31.3 24.1 19.1 15.5

0.404 127 106 86.4 70.5 58.5 49.6 43 33.9 28 23.9 20.9 18.6

132 132 119 105 90.9 77.8 66.2 48.3 36.1 27.9 22.1 17.9

0.805 987 987 987 980 972 962 953 931 904 871 829 777

859 710 532 386 286 218 171 113 80 59.5 46 36.6

0.805 93 78.4 64.3 52.5 43.4 36.6 31.5 24.5 20.1 17.1 14.9 13.2

95.7 94.3 84.4 74.1 63.8 54.2 45.8 33.2 24.8 19.1 15.1 12.2

0.361 105 86.6 69.3 55.4 45.2 37.9 32.4 25.1 20.5 17.4 15.1 13.4

111 109 97.8 85.8 73.9 62.8 53.1 38.4 28.7 22.1 17.5 14.2

0.761 869 869 869 862 854 846 837 817 792 761 722 672

744 599 436 312 229 174 136 89.8 63.5 47.2 36.5 29

0.761 77.1 64.1 51.7 41.5 33.8 28.2 24 18.5 15 12.7 11 9.69

80.3 77.8 68.9 59.7 50.7 42.6 35.7 25.6 19 14.6 11.5 9.31

0.372 87.8 71.1 55.7 43.8 35.2 29.1 24.7 18.9 15.3 12.9 11.1 9.84

94.1 91.1 80.8 70 59.4 49.9 41.8 30 22.2 17.1 13.5 10.9

1 1510 1510 1500 1490 1470 1460 1440 1400 1350 1280 1190 1080

1440 1350 1240 1100 934 777 643 448 325 246 192 154

1 156 153 139 125 113 102 92 76.5 65.2 56.8 50.4 45.3

156 156 156 154 145 135 125 105 86.8 71.3 58.8 49

1 1300 1300 1290 1280 1270 1250 1240 1200 1160 1100 1020 925

1240 1160 1060 936 795 659 544 378 274 207 162 129

1 133 130 117 105 93.5 83.3 74.5 60.9 51.2 44.2 38.9 34.7

133 133 133 131 123 115 106 88.8 73.1 59.9 49.3 41.1

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Limit for

Capacities

(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9

1 1090 1090 1090 1080 1060 1050 1040 1010 965 910 840 756

1040 969 879 766 643 529 434 300 217 163 127 102

1 108 105 93.5 82.7 72.6 63.7 56.1 44.8 37 31.4 27.4 24.3

108 108 108 105 98.6 91.5 84.3 69.9 57 46.4 38 31.6

1 993 993 989 979 968 957 944 915 877 828 763 687

879 746 579 429 321 246 194 128 91 67.8 52.5 41.8

1 94 79.4 65.9 54.7 46 39.5 34.5 27.6 23 19.8 17.4 15.5

97.1 97.1 88.2 78.5 68.6 59.1 50.6 37.2 27.9 21.6 17.2 13.9

1 880 880 876 867 857 846 835 808 773 727 667 597

773 648 494 362 270 206 162 107 75.9 56.5 43.7 34.8

1 80.7 67.4 55 44.9 37.3 31.6 27.4 21.6 17.9 15.3 13.3 11.9

 * 305x102x33 Pcx

      Pz = Agpy = 1150 Pcy

      pyZx = 114 Mb

      pyZy = 10.4 Mbs

Mb

Mbs

 * 305x102x28 Pcx

      Pz = Agpy = 987 Pcy

      pyZx = 95.7 Mb

      pyZy = 8.39 Mbs

Mb

Mbs

 * 305x102x25 Pcx

      Pz = Agpy = 869 Pcy

      pyZx = 80.3 Mb

      pyZy = 6.65 Mbs

Mb

Mbs

   254x146x43 Pcx

      Pz = Agpy = 1510 Pcy

      pyZx = 139 Mb

      pyZy = 25.3 Mbs

   254x146x37 Pcx

      Pz = Agpy = 1300 Pcy

      pyZx = 119 Mb

      pyZy = 21.5 Mbs

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

   254x146x31 Pcx

      Pz = Agpy = 1090 Pcy

      pyZx = 96.5 Mb

      pyZy = 16.9 Mbs

   254x102x28 Pcx

      Pz = Agpy = 993 Pcy

      pyZx = 84.7 Mb

      pyZy = 9.6 Mbs

   254x102x25 Pcx

      Pz = Agpy = 880 Pcy

      pyZx = 73.2 Mb

Page 26: Steel Section Capacities BS 5950 Spreadsheet

84.2 83.7 75.4 66.7 57.8 49.5 42.1 30.7 23 17.7 14.1 11.4

1 770 770 766 757 749 739 729 704 672 629 574 511

668 550 410 297 219 167 131 86.5 61.2 45.6 35.2 28

1 67.4 55.5 44.5 35.6 29.2 24.5 21 16.3 13.4 11.4 9.88 8.76

71.2 70 62.6 54.8 47 39.9 33.7 24.3 18.1 14 11 8.95

1 1050 1050 1040 1020 1010 993 974 927 861 774 673 574

993 918 822 702 577 468 380 260 188 141 110 87.7

1 86.4 82.6 74.1 66.1 58.9 52.6 47.3 39.1 33.2 28.9 25.6 23

86.4 86.4 86.4 82.6 76.8 70.7 64.5 52.6 42.2 34 27.7 22.9

1 880 879 868 857 844 830 814 772 715 638 551 468

829 764 680 576 470 379 307 210 151 113 88.1 70.4

1 71 67.1 59.6 52.5 46 40.5 35.9 29 24.3 20.9 18.4 16.4

71 71 71 67.4 62.4 57.3 52.1 42.2 33.7 27.1 22 18.2

1 809 808 797 786 775 761 746 707 652 580 499 423

726 630 504 382 289 223 176 117 83.3 62.1 48.1 38.3

1 63.4 54.6 46.5 39.6 34.1 29.8 26.4 21.5 18.1 15.7 13.9 12.5

64.4 64.4 60 54 47.8 41.7 36.1 26.9 20.4 15.9 12.7 10.3

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Limit for

Capacities

(kN, kNm) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9

1 668 664 654 644 632 618 601 556 493 418 347 287

601 522 418 318 241 186 147 97.6 69.4 51.8 40.1 31.9

1 46.4 40 34 29 25 21.8 19.3 15.7 13.3 11.5 10.2 9.11

47 47 43.9 39.5 35.1 30.6 26.5 19.8 15 11.7 9.32 7.59

1 558 551 541 529 516 500 479 422 349 280 225 183

487 404 304 222 164 125 98.5 65.1 46.1 34.3 26.5 21.1

1 32.3 27.5 23.2 19.8 17.2 15.1 13.5 11.1 9.44 8.23 7.3 6.57

33.8 33.4 30 26.4 22.7 19.4 16.4 11.9 8.89 6.85 5.43 4.4

1 452 443 432 420 403 382 354 284 219 169 133 107

379 294 207 145 106 80.3 62.7 41.2 29.1 21.6 16.7 13.3

1 21.3 18 15.3 13.2 11.6 10.3 9.22 7.67 6.57 5.76 5.13 4.62

23.2 21.9 19.1 16.3 13.6 11.3 9.34 6.61 4.87 3.72 2.93 2.37

      pyZy = 8.03 Mbs

   254x102x22 Pcx

      Pz = Agpy = 770 Pcy

      pyZx = 61.6 Mb

      pyZy = 6.46 Mbs

   203x133x30 Pcx

      Pz = Agpy = 1050 Pcy

      pyZx = 77 Mb

      pyZy = 15.8 Mbs

   203x133x25 Pcx

      Pz = Agpy = 880 Pcy

      pyZx = 63.3 Mb

      pyZy = 12.7 Mbs

   203x102x23 Pcx

      Pz = Agpy = 809 Pcy

      pyZx = 56.9 Mb

      pyZy = 8.86 Mbs

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths LE (m) within the limiting value of F/Pz

LE (m)

   178x102x19 Pcx

      Pz = Agpy = 668 Pcy

      pyZx = 42.1 Mb

      pyZy = 7.43 Mbs

   152x89x16 Pcx

      Pz = Agpy = 558 Pcy

      pyZx = 30 Mb

      pyZy = 5.56 Mbs

   127x76x13 Pcx

      Pz = Agpy = 454 Pcy

      pyZx = 20.5 Mb

      pyZy = 4.04 Mbs

Page 27: Steel Section Capacities BS 5950 Spreadsheet

for

14

14800

2270

2220

2560

13500

2060

1860

2260

12100

1800

1540

1970

11300

1680

1280

1570

1320

1810

10200

1480

1070

1380

1100

1600

8830

1280

859

1200

880

1370

8050

1080

692

988

708

1140

(kNm)

Page 28: Steel Section Capacities BS 5950 Spreadsheet

for

14

7170

883

539

788

552

919

12500

3820

2090

3130

11100

3300

1660

2400

1730

2700

9290

1420

917

1210

944

1390

8150

1210

737

1030

756

1190

7210

1030

591

869

605

1000

(kNm)

Page 29: Steel Section Capacities BS 5950 Spreadsheet

for

14

6440

867

475

721

486

836

7230

1040

608

839

623

962

6170

834

453

663

463

763

5580

720

374

565

383

653

6190

758

445

569

455

654

(kNm)

Page 30: Steel Section Capacities BS 5950 Spreadsheet

for

14

5420

636

349

474

357

546

4590

508

258

374

263

431

4340

450

220

330

224

382

5260

617

345

427

353

489

4700

539

283

372

289

425

4300

482

243

332

248

380

(kNm)

Page 31: Steel Section Capacities BS 5950 Spreadsheet

for

14

3830

408

194

277

198

318

7250

1420

763

960

5440

1020

475

690

4520

838

347

505

355

564

4210

423

235

270

240

309

3750

369

193

236

197

269

for

14

3390

(kNm)

(kNm)

Page 32: Steel Section Capacities BS 5950 Spreadsheet

323

158

204

161

233

3120

276

127

173

130

198

3520

320

185

211

3150

279

146

159

149

182

2920

255

128

146

130

166

2720

227

108

130

110

148

for

14

2420

192

85.1

108

(kNm)

Page 33: Steel Section Capacities BS 5950 Spreadsheet

86.5

123

2640

223

125

130

2400

200

105

115

2240

178

87.6

90.8

89.1

103

2030

160

73.4

81.2

74.6

92.1

1820

139

59.7

69.8

60.6

79.3

for

10

2510

221

107

122

2260

194

87

93.1

88.9

(kNm)

Page 34: Steel Section Capacities BS 5950 Spreadsheet

107

2110

171

71.9

81.5

73.3

93.7

1870

148

58.5

70.9

59.5

81.3

1630

121

43.9

56.3

44.6

64.9

2280

282

105

137

for

10

2060

249

85.5

106

87.2

120

1840

220

71.1

94.2

72.4

106

1650

188

(kNm)

Page 35: Steel Section Capacities BS 5950 Spreadsheet

57

78.5

58

89.1

1390

101

36.6

44.1

37.1

50.3

1170

77.1

25.2

32.4

25.6

37.3

1970

249

90.2

108

1660

203

66.3

87.4

for

10

1480

177

53.2

67.5

54.2

76

1290

149

41.6

55.8

42.3

63

1110

(kNm)

Page 36: Steel Section Capacities BS 5950 Spreadsheet

67.7

25.7

26.4

26.1

30.2

930

53.2

18.1

20.2

18.3

23.2

1440

195

63.2

73.8

1230

164

48.3

62

1070

140

37.3

47.5

37.9

52.8

for

10

1240

86.8

39.5

33.8

1080

73.6

30.4

28.5

946

63.7

24.2

24.5

(kNm)

Page 37: Steel Section Capacities BS 5950 Spreadsheet

850

37.1

16.5

12.8

16.8

14.8

714

29.8

11.9

10.1

12

11.7

614

23.6

8.69

7.68

8.81

9

966

126

41.1

41.3

823

106

31.4

34.6

for

10

668

83.3

21.8

26.5

607

34.1

14

11.5

525

28.4

10.7

(kNm)

Page 38: Steel Section Capacities BS 5950 Spreadsheet

9.44

447

22.8

7.88

7.39

487

71.7

20.9

19.2

397

57.6

14.8

15.2

358

31.2

11.3

8.54

10

239

26

8.27

6.29

151

17.2

5.98

3.64

87.8

10.8

4.21

1.95

Page 39: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

7770 7770 7770 7770 7770 7770 7770 7770 7770 7770 7770

n/a 696 696 696 696 696 696 696 696 696 696 696

1 7770 7660 7340 6810 6060 5120 4140 3130 2110 1070 0

696 696 696 696 696 696 696 693 522 291 0

6950 6950 6950 6950 6950 6950 6950 6950 6950 6950 6950

n/a 617 617 617 617 617 617 617 617 617 617 617

1 6950 6860 6570 6090 5410 4570 3690 2790 1880 949 0

617 617 617 617 617 617 617 616 464 258 0

6210 6210 6210 6210 6210 6210 6210 6210 6210 6210 6210

n/a 544 544 544 544 544 544 544 544 544 544 544

1 6210 6130 5870 5440 4840 4080 3290 2490 1670 844 0

544 544 544 544 544 544 544 544 412 230 0

5720 5720 5720 5720 5450 5380 5310 5190 4960 3730 $

0.802 506 506 506 506 506 506 506 506 506 318 $

0.321 5720 5640 5400 5000 - - - - - - -

506 506 506 506 - - - - - - -

5120 5120 5120 4990 4740 4660 4560 2740 2740 2740 $

0.678 448 448 448 448 448 448 448 230 230 230 $

0.266 5120 5050 4830 - - - - - - - -

448 448 448 - - - - - - - -

4430 4430 4390 4100 3960 3880 1780 1780 1780 $ $

0.518 387 387 387 387 387 387 148 148 148 $ $

0.192 4430 4360 - - - - - - - - -

387 387 - - - - - - - - -

3920 3920 3920 3650 3490 3400 1560 1560 1560 $ $

0.518 325 325 325 325 325 325 125 125 125 $ $

0.21 3920 3860 3710 - - - - - - - -

325 325 325 - - - - - - - -

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   1016x305x487 # + Mcx

      Pz = Agpy = 20800 Mcy

Mrx

Mry

   1016x305x437 # + Mcx

      Pz = Agpy = 18700 Mcy

Mrx

Mry

   1016x305x393 # + Mcx

      Pz = Agpy = 16800 Mcy

Mrx

Mry

   1016x305x349 # + Mcx

      Pz = Agpy = 15400 Mcy

Mrx

Mry

   1016x305x314 # + Mcx

      Pz = Agpy = 13800 Mcy

Mrx

Mry

   1016x305x272 # + Mcx

      Pz = Agpy = 12000 Mcy

Mrx

Mry

   1016x305x249 # + Mcx

      Pz = Agpy = 10900 Mcy

Mrx

Mry

Page 40: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

3380 3380 3380 3140 2980 1260 1260 1260 1260 $ $

0.487 263 263 263 263 263 95.1 95.1 95.1 95.1 $ $

0.211 3380 3340 3210 - - - - - - - -

263 263 263 - - - - - - - -

6100 6100 6100 6100 6000 5990 5960 5930 5850 5620 $

0.934 895 895 895 895 895 895 895 895 895 895 $

0.321 6100 6000 5700 5210 - - - - - - -

895 895 895 895 - - - - - - -

5340 5340 5340 5260 5110 5070 5020 4920 3560 3560 $

0.8 775 775 775 775 775 775 775 775 485 485 $

0.276 5340 5260 5000 - - - - - - - -

775 775 775 - - - - - - - -

4340 4340 4340 4340 4130 4040 3980 3870 2680 2680 $

0.767 420 420 420 420 420 420 420 420 250 250 $

0.324 4340 4280 4100 3800 - - - - - - -

420 420 420 420 - - - - - - -

3770 3770 3770 3650 3470 3380 3300 1840 1840 $ $

0.624 361 361 361 361 361 361 361 169 169 $ $

0.257 3770 3720 3570 - - - - - - - -

361 361 361 - - - - - - - -

3290 3290 3290 3090 2950 2880 1350 1350 1350 $ $

0.533 306 306 306 306 306 306 121 121 121 $ $

0.221 3290 3250 3110 - - - - - - - -

306 306 306 - - - - - - - -

BS 5950-1: 2000 AXIAL LOAD & BENDING

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   1016x305x222 # + Mcx

      Pz = Agpy = 9760 Mcy

Mrx

Mry

   914x419x388 # Mcx

      Pz = Agpy = 17000 Mcy

Mrx

Mry

   914x419x343 # Mcx

      Pz = Agpy = 15100 Mcy

Mrx

Mry

   914x305x289 # Mcx

      Pz = Agpy = 12700 Mcy

Mrx

Mry

   914x305x253 # Mcx

      Pz = Agpy = 11100 Mcy

Mrx

Mry

   914x305x224 # Mcx

      Pz = Agpy = 9870 Mcy

Mrx

Mry

Page 41: Steel Section Capacities BS 5950 Spreadsheet

BS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

2880 2880 2880 2670 2550 1060 1060 1060 1060 $ $

0.481 257 257 257 257 257 91.7 91.7 91.7 91.7 $ $

0.206 2880 2840 2730 - - - - - - - -

257 257 257 - - - - - - - -

3160 3160 3160 3050 2900 2850 2780 1570 1570 $ $

0.632 320 320 320 320 320 320 320 152 152 $ $

0.251 3160 3110 2980 - - - - - - - -

320 320 320 - - - - - - - -

2640 2640 2640 2480 2370 2310 1090 1090 1090 $ $

0.534 257 257 257 257 257 257 102 102 102 $ $

0.219 2640 2600 2490 - - - - - - - -

257 257 257 - - - - - - - -

2350 2350 2350 2180 2080 876 876 876 876 $ $

0.485 221 221 221 221 221 79.5 79.5 79.5 79.5 $ $

0.203 2350 2320 2230 - - - - - - - -

221 221 221 - - - - - - - -

2470 2470 2470 2460 2320 2280 2240 2170 1420 1420 $

0.718 253 253 253 253 253 253 253 253 139 139 $

0.293 2470 2440 2330 - - - - - - - -

253 253 253 - - - - - - - -

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   914x305x201 # Mcx

      Pz = Agpy = 8830 Mcy

Mrx

Mry

   838x292x226 # Mcx

      Pz = Agpy = 9970 Mcy

Mrx

Mry

   838x292x194 # Mcx

      Pz = Agpy = 8520 Mcy

Mrx

Mry

   838x292x176 # Mcx

      Pz = Agpy = 7730 Mcy

Mrx

Mry

   762x267x197 Mcx

      Pz = Agpy = 8660 Mcy

Mrx

Mry

Page 42: Steel Section Capacities BS 5950 Spreadsheet

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

2140 2140 2140 2070 1960 1910 1870 1030 1030 $ $

0.617 213 213 213 213 213 213 213 98.3 98.3 $ $

0.256 2140 2110 2020 - - - - - - - -

213 213 213 - - - - - - - -

1780 1780 1780 1660 1580 685 685 685 685 $ $

0.5 170 170 170 170 170 63 63 63 63 $ $

0.208 1780 1760 1680 - - - - - - - -

170 170 170 - - - - - - - -

1650 1650 1600 1490 1440 541 541 541 541 $ $

0.424 154 154 154 154 154 48.7 48.7 48.7 48.7 $ $

0.173 1650 1630 - - - - - - - - -

154 154 - - - - - - - - -

1940 1940 1940 1940 1840 1810 1790 1740 1200 1200 $

0.763 214 214 214 214 214 214 214 214 127 127 $

0.303 1940 1910 1830 1690 - - - - - - -

214 214 214 214 - - - - - - -

1730 1730 1730 1670 1590 1560 1530 886 886 886 $

0.65 188 188 188 188 188 188 188 92.2 92.2 92.2 $

0.256 1730 1700 1630 - - - - - - - -

188 188 188 - - - - - - - -

1570 1570 1570 1490 1430 1400 713 713 713 $ $

0.58 169 169 169 169 169 169 73.1 73.1 73.1 $ $

0.228 1570 1550 1480 - - - - - - - -

169 169 169 - - - - - - - -

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   762x267x173 Mcx

      Pz = Agpy = 7590 Mcy

Mrx

Mry

   762x267x147 Mcx

      Pz = Agpy = 6450 Mcy

Mrx

Mry

   762x267x134 Mcx

      Pz = Agpy = 6070 Mcy

Mrx

Mry

   686x254x170 Mcx

      Pz = Agpy = 7490 Mcy

Mrx

Mry

   686x254x152 Mcx

      Pz = Agpy = 6690 Mcy

Mrx

Mry

   686x254x140 Mcx

      Pz = Agpy = 6140 Mcy

Mrx

Mry

Page 43: Steel Section Capacities BS 5950 Spreadsheet

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

1380 1380 1380 1290 1240 1210 554 554 554 $ $

0.519 143 143 143 143 143 143 55.1 55.1 55.1 $ $

0.211 1380 1360 1300 - - - - - - - -

143 143 143 - - - - - - - -

2580 2580 2580 2580 2580 2580 2580 2580 2580 2580 2580

n/a 421 421 421 421 421 421 421 421 421 421 421

1 2580 2540 2410 2200 1900 1600 1290 974 654 330 0

421 421 421 421 421 421 421 375 275 150 0

1910 1910 1910 1910 1870 1860 1850 1840 1800 1480 $

0.899 308 308 308 308 308 308 308 308 308 223 $

0.296 1910 1880 1790 - - - - - - - -

308 308 308 - - - - - - - -

1580 1580 1580 1510 1480 1470 1440 864 864 864 $

0.671 253 253 253 253 253 253 253 128 128 128 $

0.213 1580 1560 1480 - - - - - - - -

253 253 253 - - - - - - - -

1430 1430 1430 1430 1350 1340 1320 1290 912 912 $

0.781 162 162 162 162 162 162 162 162 98.5 98.5 $

0.305 1430 1410 1350 1240 - - - - - - -

162 162 162 162 - - - - - - -

1270 1270 1270 1230 1170 1160 1130 669 669 669 $

0.664 142 142 142 142 142 142 142 71.3 71.3 71.3 $

0.257 1270 1250 1190 - - - - - - - -

142 142 142 - - - - - - - -

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   686x254x125 Mcx

      Pz = Agpy = 5490 Mcy

Mrx

Mry

   610x305x238 Mcx

      Pz = Agpy = 10500 Mcy

Mrx

Mry

   610x305x179 Mcx

      Pz = Agpy = 7870 Mcy

Mrx

Mry

   610x305x149 Mcx

      Pz = Agpy = 6560 Mcy

Mrx

Mry

   610x229x140 Mcx

      Pz = Agpy = 6140 Mcy

Mrx

Mry

   610x229x125 Mcx

      Pz = Agpy = 5490 Mcy

Mrx

Mry

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Page 44: Steel Section Capacities BS 5950 Spreadsheet

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

1130 1130 1130 1080 1030 1010 520 520 520 $ $

0.586 125 125 125 125 125 125 54.4 54.4 54.4 $ $

0.228 1130 1120 1070 - - - - - - - -

125 125 125 - - - - - - - -

1020 1020 1020 954 917 895 407 407 407 $ $

0.513 109 109 109 109 109 109 41.4 41.4 41.4 $ $

0.204 1020 1010 966 - - - - - - - -

109 109 109 - - - - - - - -

1100 1100 1100 1100 1080 1080 1070 1070 1050 1000 $

0.928 132 132 132 132 132 132 132 132 132 132 $

0.359 1100 1090 1040 956 - - - - - - -

132 132 132 132 - - - - - - -

976 976 976 976 929 922 912 894 857 646 $

0.804 116 116 116 116 116 116 116 116 116 72.8 $

0.311 976 961 918 846 - - - - - - -

116 116 116 116 - - - - - - -

901 901 901 884 842 833 819 795 518 518 $

0.714 106 106 106 106 106 106 106 106 57.9 57.9 $

0.272 901 888 848 - - - - - - - -

106 106 106 - - - - - - - -

838 838 838 802 769 756 740 410 410 $ $

0.619 97.1 97.1 97.1 97.1 97.1 97.1 97.1 45.1 45.1 $ $

0.237 838 826 790 - - - - - - - -

97.1 97.1 97.1 - - - - - - - -

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   610x229x113 Mcx

      Pz = Agpy = 4970 Mcy

Mrx

Mry

   610x229x101 Mcx

      Pz = Agpy = 4580 Mcy

Mrx

Mry

   533x210x122 Mcx

      Pz = Agpy = 5350 Mcy

Mrx

Mry

   533x210x109 Mcx

      Pz = Agpy = 4800 Mcy

Mrx

Mry

   533x210x101 Mcx

      Pz = Agpy = 4450 Mcy

Mrx

Mry

   533x210x92 Mcx

      Pz = Agpy = 4150 Mcy

Mrx

Mry

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Page 45: Steel Section Capacities BS 5950 Spreadsheet

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

731 731 731 692 663 649 321 321 321 $ $

0.564 81.8 81.8 81.8 81.8 81.8 81.8 34.3 34.3 34.3 $ $

0.225 731 721 690 - - - - - - - -

81.8 81.8 81.8 - - - - - - - -

770 770 770 770 770 770 770 769 769 768 $

0.998 101 101 101 101 101 101 101 101 101 101 $

0.371 770 758 723 664 - - - - - - -

101 101 101 101 - - - - - - -

695 695 695 695 675 672 667 659 643 517 $

0.88 90.3 90.3 90.3 90.3 90.3 90.3 90.3 90.3 90.3 63.7 $

0.325 695 684 652 599 - - - - - - -

90.3 90.3 90.3 90.3 - - - - - - -

650 650 650 647 617 612 605 592 418 418 $

0.783 83.5 83.5 83.5 83.5 83.5 83.5 83.5 83.5 50.9 50.9 $

0.294 650 640 611 - - - - - - - -

83.5 83.5 83.5 - - - - - - - -

587 587 587 565 544 538 528 313 313 313 $

0.666 75 75 75 75 75 75 75 37.8 37.8 37.8 $

0.244 587 578 552 - - - - - - - -

75 75 75 - - - - - - - -

522 522 522 497 478 471 460 248 248 $ $

0.601 65.2 65.2 65.2 65.2 65.2 65.2 65.2 29.3 29.3 $ $

0.226 522 515 492 - - - - - - - -

65.2 65.2 65.2 - - - - - - - -

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   533x210x82 Mcx

      Pz = Agpy = 3730 Mcy

Mrx

Mry

   457x191x98 Mcx

      Pz = Agpy = 4310 Mcy

Mrx

Mry

   457x191x89 Mcx

      Pz = Agpy = 3930 Mcy

Mrx

Mry

   457x191x82 Mcx

      Pz = Agpy = 3690 Mcy

Mrx

Mry

   457x191x74 Mcx

      Pz = Agpy = 3360 Mcy

Mrx

Mry

   457x191x67 Mcx

      Pz = Agpy = 3040 Mcy

Mrx

Mry

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Page 46: Steel Section Capacities BS 5950 Spreadsheet

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

625 625 625 625 607 602 597 589 574 459 $

0.88 63.3 63.3 63.3 63.3 63.3 63.3 63.3 63.3 63.3 44.7 $

0.353 625 616 589 543 - - - - - - -

63.3 63.3 63.3 63.3 - - - - - - -

561 561 561 561 530 523 515 502 345 345 $

0.762 56.3 56.3 56.3 56.3 56.3 56.3 56.3 56.3 33.2 33.2 $

0.304 561 553 529 489 - - - - - - -

56.3 56.3 56.3 56.3 - - - - - - -

516 516 516 504 478 468 458 271 271 271 $

0.666 50.7 50.7 50.7 50.7 50.7 50.7 50.7 25.5 25.5 25.5 $

0.27 516 509 487 - - - - - - - -

50.7 50.7 50.7 - - - - - - - -

457 457 457 430 412 403 195 195 195 $ $

0.549 44.3 44.3 44.3 44.3 44.3 44.3 18.1 18.1 18.1 $ $

0.216 457 451 431 - - - - - - - -

44.3 44.3 44.3 - - - - - - - -

389 389 389 360 345 145 145 145 145 $ $

0.485 36 36 36 36 36 12.9 12.9 12.9 12.9 $ $

0.199 389 384 - - - - - - - - -

36 36 - - - - - - - - -

533 533 533 533 519 517 514 508 498 404 $

0.892 73.3 73.3 73.3 73.3 73.3 73.3 73.3 73.3 73.3 52.6 $

0.319 533 525 499 458 - - - - - - -

73.3 73.3 73.3 73.3 - - - - - - -

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

Pz (kN) F/Pz

   457x152x82 Mcx

      Pz = Agpy = 3620 Mcy

Mrx

Mry

   457x152x74 Mcx

      Pz = Agpy = 3260 Mcy

Mrx

Mry

   457x152x67 Mcx

      Pz = Agpy = 3040 Mcy

Mrx

Mry

   457x152x60 Mcx

      Pz = Agpy = 2710 Mcy

Mrx

Mry

   457x152x52 Mcx

      Pz = Agpy = 2360 Mcy

Mrx

Mry

   406x178x74 Mcx

      Pz = Agpy = 3350 Mcy

Mrx

Mry

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

Page 47: Steel Section Capacities BS 5950 Spreadsheet

478 478 478 473 455 452 446 437 312 312 $

0.789 65.2 65.2 65.2 65.2 65.2 65.2 65.2 65.2 40.1 40.1 $

0.284 478 470 448 - - - - - - - -

65.2 65.2 65.2 - - - - - - - -

426 426 426 408 395 390 383 225 225 225 $

0.658 57.5 57.5 57.5 57.5 57.5 57.5 57.5 28.5 28.5 28.5 $

0.231 426 419 399 - - - - - - - -

57.5 57.5 57.5 - - - - - - - -

375 375 375 359 345 340 333 187 187 187 $

0.628 49 49 49 49 49 49 49 23.1 23.1 23.1 $

0.236 375 369 353 - - - - - - - -

49 49 49 - - - - - - - -

315 315 311 291 282 122 122 122 122 $ $

0.496 32.2 32.2 32.2 32.2 32.2 11.9 11.9 11.9 11.9 $ $

0.184 315 311 - - - - - - - - -

32.2 32.2 - - - - - - - - -

257 257 250 234 225 87.3 87.3 87.3 87.3 $ $

0.438 24.6 24.6 24.6 24.6 24.6 8.02 8.02 8.02 8.02 $ $

0.174 257 254 - - - - - - - - -

24.6 24.6 - - - - - - - - -

430 430 430 430 430 430 430 430 430 430 430

n/a 66.9 66.9 66.9 66.9 66.9 66.9 66.9 66.9 66.9 66.9 66.9

1 430 423 401 366 317 266 215 162 109 54.8 0

66.9 66.9 66.9 66.9 66.9 66.9 66.9 60.3 44.3 24.2 0

359 359 359 358 348 347 344 340 332 266 $

0.873 55 55 55 55 55 55 55 55 55 38.4 $

0.298 359 353 335 - - - - - - - -

55 55 55 - - - - - - - -

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

   406x178x67 Mcx

      Pz = Agpy = 3040 Mcy

Mrx

Mry

   406x178x60 Mcx

      Pz = Agpy = 2720 Mcy

Mrx

Mry

   406x178x54 Mcx

      Pz = Agpy = 2450 Mcy

Mrx

Mry

   406x140x46 Mcx

      Pz = Agpy = 2080 Mcy

Mrx

Mry

   406x140x39 Mcx

      Pz = Agpy = 1760 Mcy

Mrx

Mry

   356x171x67 Mcx

      Pz = Agpy = 3040 Mcy

Mrx

Mry

   356x171x57 Mcx

      Pz = Agpy = 2580 Mcy

Mrx

Mry

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Page 48: Steel Section Capacities BS 5950 Spreadsheet

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

318 318 318 310 301 299 295 288 198 198 $

0.754 48.1 48.1 48.1 48.1 48.1 48.1 48.1 48.1 28 28 $

0.258 318 313 298 - - - - - - - -

48.1 48.1 48.1 - - - - - - - -

275 275 275 266 257 254 250 153 153 153 $

0.686 40.4 40.4 40.4 40.4 40.4 40.4 40.4 21.1 21.1 21.1 $

0 - - - - - - - - - - -

- - - - - - - - - - -

234 234 234 224 214 210 206 114 114 $ $

0.619 24.2 24.2 24.2 24.2 24.2 24.2 24.2 11.2 11.2 $ $

0.238 234 231 221 - - - - - - - -

24.2 24.2 24.2 - - - - - - - -

193 193 193 180 173 169 77.2 77.2 77.2 $ $

0.517 19 19 19 19 19 19 7.29 7.29 7.29 $ $

0.206 193 190 182 - - - - - - - -

19 19 19 - - - - - - - -

300 300 300 300 300 300 300 300 300 300 300

n/a 54.1 54.1 54.1 54.1 54.1 54.1 54.1 54.1 54.1 54.1 54.1

1 300 295 279 252 218 183 148 111 74.8 37.7 0

54.1 54.1 54.1 54.1 54.1 54.1 54.1 47.3 34.6 18.8 0

256 256 256 248 247 246 244 240 234 181 $

0.834 46 46 46 46 46 46 46 46 46 30.3 $

0.247 256 251 237 - - - - - - - -

46 46 46 - - - - - - - -

221 221 221 210 208 206 203 126 126 126 $

0.695 39.4 39.4 39.4 39.4 39.4 39.4 39.4 20.9 20.9 20.9 $

0.205 221 217 206 - - - - - - - -

39.4 39.4 39.4 - - - - - - - -

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   356x171x51 Mcx

      Pz = Agpy = 2300 Mcy

Mrx

Mry

   356x171x45 Mcx

      Pz = Agpy = 2030 Mcy

Mrx

Mry

   356x127x39 Mcx

      Pz = Agpy = 1770 Mcy

Mrx

Mry

   356x127x33 Mcx

      Pz = Agpy = 1490 Mcy

Mrx

Mry

   305x165x54 Mcx

      Pz = Agpy = 2440 Mcy

Mrx

Mry

   305x165x46 Mcx

      Pz = Agpy = 2080 Mcy

Mrx

Mry

   305x165x40 Mcx

      Pz = Agpy = 1820 Mcy

Mrx

Mry

Page 49: Steel Section Capacities BS 5950 Spreadsheet

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

252 252 252 252 252 252 252 252 252 252 252

n/a 31.4 31.4 31.4 31.4 31.4 31.4 31.4 31.4 31.4 31.4 31.4

1 252 249 238 219 193 162 131 99 66.5 33.5 0

31.4 31.4 31.4 31.4 31.4 31.4 31.4 30.1 22.5 12.4 0

218 218 218 218 218 218 218 218 218 218 218

n/a 26.7 26.7 26.7 26.7 26.7 26.7 26.7 26.7 26.7 26.7 26.7

1 218 215 205 189 167 140 113 85.5 57.4 28.9 0

26.7 26.7 26.7 26.7 26.7 26.7 26.7 25.9 19.4 10.7 0

191 191 191 191 187 186 186 184 181 170 $

0.914 23.2 23.2 23.2 23.2 23.2 23.2 23.2 23.2 23.2 23.2 $

0.361 191 189 180 166 - - - - - - -

23.2 23.2 23.2 23.2 - - - - - - -

171 171 171 171 162 159 156 152 105 105 $

0.763 16.1 16.1 16.1 16.1 16.1 16.1 16.1 16.1 9.54 9.54 $

0.321 171 168 161 150 - - - - - - -

16.1 16.1 16.1 16.1 - - - - - - -

143 143 143 141 133 129 126 72.4 72.4 $ $

0.648 13 13 13 13 13 13 13 6.35 6.35 $ $

0.281 143 141 135 - - - - - - - -

13 13 13 - - - - - - - -

121 121 121 120 112 107 104 56.8 56.8 $ $

0.61 10.3 10.3 10.3 10.3 10.3 10.3 10.3 4.71 4.71 $ $

0.287 121 120 115 - - - - - - - -

10.3 10.3 10.3 - - - - - - - -

201 201 201 201 201 201 201 201 201 201 201

n/a 39.2 39.2 39.2 39.2 39.2 39.2 39.2 39.2 39.2 39.2 39.2

1 201 197 186 168 145 122 98.1 74.1 49.8 25.1 0

39.2 39.2 39.2 39.2 39.2 39.2 39.2 33.5 24.5 13.3 0

171 171 171 171 171 171 171 171 171 171 171

n/a 33.2 33.2 33.2 33.2 33.2 33.2 33.2 33.2 33.2 33.2 33.2

1 171 168 159 143 124 104 83.6 63.1 42.4 21.3 0

33.2 33.2 33.2 33.2 33.2 33.2 33.2 28.6 20.9 11.4 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   305x127x48 Mcx

      Pz = Agpy = 2170 Mcy

Mrx

Mry

   305x127x42 Mcx

      Pz = Agpy = 1900 Mcy

Mrx

Mry

   305x127x37 Mcx

      Pz = Agpy = 1680 Mcy

Mrx

Mry

   305x102x33 Mcx

      Pz = Agpy = 1480 Mcy

Mrx

Mry

   305x102x28 Mcx

      Pz = Agpy = 1270 Mcy

Mrx

Mry

   305x102x25 Mcx

      Pz = Agpy = 1120 Mcy

Mrx

Mry

   254x146x43 Mcx

      Pz = Agpy = 1950 Mcy

Mrx

Mry

   254x146x37 Mcx

      Pz = Agpy = 1680 Mcy

Mrx

Mry

Page 50: Steel Section Capacities BS 5950 Spreadsheet

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

140 140 140 140 138 138 137 137 135 131 $

0.947 26.1 26.1 26.1 26.1 26.1 26.1 26.1 26.1 26.1 26.1 $

0.311 140 137 130 119 - - - - - - -

26.1 26.1 26.1 26.1 - - - - - - -

125 125 125 125 125 124 124 124 123 122 $

0.977 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9 $

0.383 125 123 118 109 - - - - - - -

14.9 14.9 14.9 14.9 - - - - - - -

109 109 109 109 107 106 105 104 102 95.4 $

0.907 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4 $

0.379 109 107 103 95 - - - - - - -

12.4 12.4 12.4 12.4 - - - - - - -

91.9 91.9 91.9 91.9 90.5 87.3 86.4 84.8 81.7 63.1 $

0.837 10 10 10 10 10 10 10 10 10 6.62 $

0.375 91.9 90.7 87.1 81 - - - - - - -

10 10 10 10 - - - - - - -

111 111 111 111 111 111 111 111 111 111 111

n/a 24.5 24.5 24.5 24.5 24.5 24.5 24.5 24.5 24.5 24.5 24.5

1 111 109 103 93.3 80.7 67.7 54.5 41.2 27.7 13.9 0

24.5 24.5 24.5 24.5 24.5 24.5 24.5 21.2 15.5 8.4 0

91.6 91.6 91.6 91.6 91.6 91.6 91.6 91.6 91.6 91.6 91.6

n/a 19.7 19.7 19.7 19.7 19.7 19.7 19.7 19.7 19.7 19.7 19.7

1 91.6 90 85.2 77.2 66.8 56 45.1 34 22.8 11.5 0

19.7 19.7 19.7 19.7 19.7 19.7 19.7 17.5 12.8 6.98 0

83.1 83.1 83.1 83.1 83.1 83.1 83.1 83.1 83.1 83.1 83.1

n/a 13.7 13.7 13.7 13.7 13.7 13.7 13.7 13.7 13.7 13.7 13.7

1 83.1 81.6 77.4 70.3 60.9 51.1 41.2 31.1 20.9 10.5 0

13.7 13.7 13.7 13.7 13.7 13.7 13.7 12.2 8.98 4.9 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   254x146x31 Mcx

      Pz = Agpy = 1410 Mcy

Mrx

Mry

   254x102x28 Mcx

      Pz = Agpy = 1280 Mcy

Mrx

Mry

   254x102x25 Mcx

      Pz = Agpy = 1140 Mcy

Mrx

Mry

   254x102x22 Mcx

      Pz = Agpy = 994 Mcy

Mrx

Mry

   203x133x30 Mcx

      Pz = Agpy = 1360 Mcy

Mrx

Mry

   203x133x25 Mcx

      Pz = Agpy = 1140 Mcy

Mrx

Mry

   203x102x23 Mcx

      Pz = Agpy = 1040 Mcy

Mrx

Mry

Page 51: Steel Section Capacities BS 5950 Spreadsheet

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

60.7 60.7 60.7 60.7 60.7 60.7 60.7 60.7 60.7 60.7 60.7

n/a 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5

1 60.7 59.6 56.3 50.9 44.1 37.1 29.8 22.5 15.1 7.62 0

11.5 11.5 11.5 11.5 11.5 11.5 11.5 10.1 7.4 4.03 0

43.7 43.7 43.7 43.7 43.7 43.7 43.7 43.7 43.7 43.7 43.7

n/a 8.61 8.61 8.61 8.61 8.61 8.61 8.61 8.61 8.61 8.61 8.61

1 43.7 42.9 40.4 36.4 31.5 26.4 21.3 16.1 10.8 5.45 0

8.61 8.61 8.61 8.61 8.61 8.61 8.61 7.45 5.44 2.96 0

29.9 29.9 29.9 29.9 29.9 29.9 29.9 29.9 29.9 29.9 29.9

n/a 6.26 6.26 6.26 6.26 6.26 6.26 6.26 6.26 6.26 6.26 6.26

1 29.9 29.3 27.5 24.5 21.2 17.8 14.4 10.9 7.31 3.69 0

6.26 6.26 6.26 6.26 6.26 6.26 6.26 5.25 3.82 2.07 0

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   178x102x19 Mcx

      Pz = Agpy = 863 Mcy

Mrx

Mry

   152x89x16 Mcx

      Pz = Agpy = 721 Mcy

Mrx

Mry

   127x76x13 Mcx

      Pz = Agpy = 586 Mcy

Mrx

Mry

Page 52: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

(kN) 2 3 4 5 6 7 8 9 10 11 12 13

1 20800 20800 20800 20800 20800 20600 20500 20300 20100 19900 19700 19400

19000 16900 14500 11900 9630 7750 6310 5200 4340 3670 3140 2720

1 7770 7340 6580 5850 5180 4590 4100 3690 3360 3070 2830 2630

7770 7770 7770 7310 6780 6220 5650 5080 4530 4030 3590 3200

1 18700 18700 18700 18700 18700 18600 18400 18300 18200 18000 17900 17700

17300 15600 13600 11200 9010 7200 5810 4760 3960 3340 2850 2460

1 6950 6530 5810 5120 4490 3950 3500 3130 2830 2580 2370 2190

6950 6950 6950 6510 6030 5520 5000 4490 4000 3550 3160 2810

1 16800 16800 16800 16800 16800 16700 16500 16400 16300 16200 16000 15900

15500 14000 12100 9920 7930 6320 5100 4170 3470 2920 2490 2150

1 6210 5780 5120 4470 3880 3380 2970 2640 2370 2150 1960 1810

6210 6210 6200 5790 5350 4890 4410 3950 3510 3120 2770 2460

0.802 15400 15400 15400 15400 15400 15300 15200 15100 15000 14900 14800 14800

14400 13200 11600 9560 7600 6020 4820 3920 3240 2720 2320 1990

0.802 4950 4700 4200 3710 3240 2830 2490 2210 1980 1790 1640 1510

4950 4950 4930 4600 4250 3880 3510 3130 2780 2470 2190 1940

0.321 5720 5300 4660 4040 3470 2990 2610 2300 2050 1850 1680 1540

5720 5720 5700 5320 4920 4490 4050 3620 3220 2850 2530 2250

0.678 13800 13800 13800 13800 13800 13700 13700 13600 13500 13400 13300 13300

12900 11800 10300 8490 6730 5310 4250 3460 2860 2400 2040 1760

0.678 4440 4200 3730 3270 2830 2450 2140 1890 1680 1510 1380 1260

4440 4440 4420 4120 3800 3460 3120 2780 2460 2180 1930 1720

0.266 5120 4710 4130 3540 3020 2580 2230 1950 1730 1560 1410 1290

5120 5120 5090 4750 4380 3990 3590 3200 2840 2510 2230 1980

0.518 12000 12000 12000 12000 12000 11900 11900 11800 11700 11600 11600 11500

11200 10300 8950 7340 5810 4590 3670 2980 2470 2070 1760 1510

0.518 3860 3630 3210 2790 2390 2050 1770 1550 1370 1220 1110 1010

3860 3860 3830 3570 3290 3000 2700 2410 2130 1890 1670 1480

0.192 4430 4060 3530 3010 2540 2150 1840 1600 1410 1260 1130 1030

4430 4430 4390 4090 3780 3440 3100 2760 2450 2160 1920 1700

0.518 10900 10900 10900 10900 10900 10900 10800 10800 10700 10600 10600 10500

10200 9250 7940 6390 4990 3910 3120 2530 2090 1750 1490 1280

0.518 3390 3150 2770 2380 2020 1710 1470 1270 1120 995 894 812

3390 3390 3330 3080 2830 2550 2280 2020 1780 1560 1380 1220

0.21 3920 3540 3060 2570 2140 1800 1520 1310 1150 1020 914 828

3920 3920 3840 3560 3270 2950 2640 2330 2050 1810 1590 1410

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

   1016x305x487 # +  Pcx

      Pz = Agpy = 20800 Pcy

      pyZx = 6610 Mb

      pyZy = 580 Mbs

   1016x305x437 # +  Pcx

      Pz = Agpy = 18700 Pcy

      pyZx = 5940 Mb

      pyZy = 514 Mbs

   1016x305x393 # +  Pcx

      Pz = Agpy = 16800 Pcy

      pyZx = 5330 Mb

      pyZy = 453 Mbs

 * 1016x305x349 # +  Pcx

      Pz = Agpy = 15400 Pcy

      pyZx = 4950 Mb

      pyZy = 422 Mbs

Mb

Mbs

 * 1016x305x314 # +  Pcx

      Pz = Agpy = 13800 Pcy

      pyZx = 4440 Mb

      pyZy = 373 Mbs

Mb

Mbs

 * 1016x305x272 # +  Pcx

      Pz = Agpy = 12000 Pcy

      pyZx = 3860 Mb

      pyZy = 322 Mbs

Mb

Mbs

 * 1016x305x249 # +  Pcx

      Pz = Agpy = 10900 Pcy

      pyZx = 3390 Mb

      pyZy = 270 Mbs

Mb

Mbs

Page 53: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

(kN) 2 3 4 5 6 7 8 9 10 11 12 13

0.487 9760 9760 9760 9760 9750 9700 9640 9590 9530 9460 9400 9330

9020 8110 6820 5380 4150 3230 2560 2070 1710 1430 1210 1040

0.487 2900 2670 2320 1970 1650 1390 1180 1010 885 782 700 632

2900 2900 2810 2590 2350 2110 1860 1640 1430 1250 1100 971

0.211 3380 3010 2570 2130 1750 1450 1220 1050 909 801 715 645

3380 3380 3280 3020 2740 2460 2170 1910 1670 1460 1280 1130

0.934 17000 17000 17000 17000 17000 16900 16800 16700 16600 16500 16400 16300

16700 16000 15100 14100 12800 11300 9770 8350 7130 6120 5280 4590

0.934 5390 5390 5250 4880 4510 4140 3780 3440 3140 2870 2640 2430

5390 5390 5390 5390 5360 5120 4880 4620 4350 4070 3790 3520

0.321 6100 6100 5830 5380 4920 4460 4030 3640 3300 3000 2740 2520

6100 6100 6100 6100 6060 5790 5510 5220 4910 4600 4290 3980

0.8 15100 15100 15100 15100 15100 15000 14900 14800 14700 14600 14500 14400

14800 14100 13400 12400 11200 9870 8500 7240 6180 5290 4560 3970

0.8 4740 4740 4590 4250 3910 3560 3230 2930 2650 2410 2200 2020

4740 4740 4740 4740 4690 4480 4260 4030 3790 3540 3290 3050

0.276 5340 5340 5080 4670 4250 3830 3440 3080 2770 2500 2270 2080

5340 5340 5340 5340 5290 5050 4800 4540 4270 3990 3710 3440

0.767 12700 12700 12700 12700 12700 12600 12500 12400 12400 12300 12200 12100

11900 11000 9650 8000 6380 5060 4060 3310 2740 2300 1960 1680

0.767 3750 3570 3190 2810 2440 2110 1840 1620 1450 1300 1180 1080

3750 3750 3750 3500 3240 2970 2680 2400 2140 1900 1680 1500

0.324 4340 4030 3540 3050 2610 2230 1930 1690 1490 1340 1210 1110

4340 4340 4330 4050 3750 3430 3100 2770 2470 2190 1950 1730

0.624 11100 11100 11100 11100 11100 11100 11000 10900 10900 10800 10700 10600

10500 9590 8390 6920 5490 4340 3480 2830 2340 1970 1670 1440

0.624 3280 3100 2750 2400 2060 1770 1530 1340 1180 1060 952 867

3280 3280 3260 3040 2810 2570 2310 2070 1840 1630 1440 1280

0.257 3770 3480 3040 2600 2200 1860 1590 1380 1220 1080 975 886

3770 3770 3760 3510 3240 2960 2660 2380 2110 1870 1660 1470

0.533 9870 9870 9870 9870 9840 9780 9720 9660 9600 9530 9460 9380

9230 8430 7310 5960 4700 3700 2960 2400 1990 1670 1420 1220

0.533 2850 2680 2370 2040 1740 1480 1270 1100 963 855 767 695

2850 2850 2820 2630 2420 2200 1970 1750 1550 1370 1210 1080

0.221 3290 3010 2610 2210 1850 1550 1320 1130 990 876 784 709

3290 3290 3250 3030 2790 2530 2270 2020 1790 1580 1400 1240

BS 5950-1: 2000 AXIAL LOAD & BENDING

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

 * 1016x305x222 # +  Pcx

      Pz = Agpy = 9760 Pcy

      pyZx = 2900 Mb

      pyZy = 219 Mbs

Mb

Mbs

 * 914x419x388 # Pcx

      Pz = Agpy = 17000 Pcy

      pyZx = 5390 Mb

      pyZy = 746 Mbs

Mb

Mbs

 * 914x419x343 # Pcx

      Pz = Agpy = 15100 Pcy

      pyZx = 4740 Mb

      pyZy = 645 Mbs

Mb

Mbs

 * 914x305x289 # Pcx

      Pz = Agpy = 12700 Pcy

      pyZx = 3750 Mb

      pyZy = 350 Mbs

Mb

Mbs

 * 914x305x253 # Pcx

      Pz = Agpy = 11100 Pcy

      pyZx = 3280 Mb

      pyZy = 300 Mbs

Mb

Mbs

 * 914x305x224 # Pcx

      Pz = Agpy = 9870 Pcy

      pyZx = 2850 Mb

      pyZy = 255 Mbs

Mb

Mbs

Page 54: Steel Section Capacities BS 5950 Spreadsheet

BS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

(kN) 2 3 4 5 6 7 8 9 10 11 12 13

0.481 8830 8830 8830 8830 8800 8750 8700 8640 8580 8520 8450 8380

8220 7460 6390 5140 4010 3140 2500 2030 1670 1400 1190 1030

0.481 2490 2310 2030 1740 1460 1230 1050 902 786 694 620 559

2490 2490 2440 2260 2070 1870 1670 1470 1300 1140 1010 891

0.206 2880 2610 2240 1880 1550 1290 1090 930 808 711 633 570

2880 2880 2830 2620 2400 2170 1930 1710 1500 1320 1170 1030

0.632 9970 9970 9970 9970 9920 9860 9800 9730 9660 9580 9500 9420

9320 8520 7390 6030 4750 3740 2990 2430 2010 1680 1430 1230

0.632 2750 2580 2280 1980 1690 1450 1250 1090 968 866 782 713

2750 2750 2730 2540 2330 2120 1900 1690 1500 1320 1170 1040

0.251 3160 2880 2510 2130 1800 1520 1300 1130 995 888 800 728

3160 3160 3130 2910 2680 2430 2180 1940 1720 1520 1340 1190

0.534 8520 8520 8520 8520 8480 8420 8360 8310 8240 8180 8100 8030

7930 7190 6160 4950 3860 3020 2410 1950 1610 1350 1150 987

0.534 2290 2120 1860 1590 1350 1140 972 840 736 653 586 531

2290 2290 2250 2080 1910 1720 1530 1360 1190 1050 926 819

0.219 2640 2380 2050 1710 1420 1190 1010 866 756 669 599 541

2640 2640 2580 2390 2190 1980 1770 1560 1370 1210 1070 942

0.485 7730 7730 7730 7730 7680 7630 7580 7520 7470 7400 7340 7270

7160 6460 5470 4340 3360 2620 2080 1690 1390 1170 990 851

0.485 2030 1870 1630 1380 1160 972 824 708 617 545 487 439

2030 2030 1980 1830 1660 1500 1330 1170 1020 897 789 697

0.203 2350 2100 1790 1490 1220 1010 853 729 633 557 497 447

2350 2350 2280 2110 1920 1730 1530 1350 1180 1040 912 805

0.718 8660 8660 8660 8640 8580 8520 8460 8390 8320 8240 8150 8060

7980 7140 5960 4670 3580 2780 2200 1780 1470 1230 1040 896

0.718 2150 1950 1700 1440 1220 1040 898 786 697 625 567 519

2150 2150 2070 1900 1730 1540 1360 1190 1040 905 794 700

0.293 2470 2180 1850 1550 1290 1090 930 809 715 640 579 529

2470 2470 2380 2190 1980 1770 1560 1360 1190 1040 913 805

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

 * 914x305x201 # Pcx

      Pz = Agpy = 8830 Pcy

      pyZx = 2490 Mb

      pyZy = 214 Mbs

Mb

Mbs

 * 838x292x226 # Pcx

      Pz = Agpy = 9970 Pcy

      pyZx = 2750 Mb

      pyZy = 267 Mbs

Mb

Mbs

 * 838x292x194 # Pcx

      Pz = Agpy = 8520 Pcy

      pyZx = 2290 Mb

      pyZy = 214 Mbs

Mb

Mbs

 * 838x292x176 # Pcx

      Pz = Agpy = 7730 Pcy

      pyZx = 2030 Mb

      pyZy = 185 Mbs

Mb

Mbs

 * 762x267x197 Pcx

      Pz = Agpy = 8660 Pcy

      pyZx = 2150 Mb

      pyZy = 210 Mbs

Mb

Mbs

Page 55: Steel Section Capacities BS 5950 Spreadsheet

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

(kN) 2 3 4 5 6 7 8 9 10 11 12 13

0.617 7590 7590 7590 7570 7520 7460 7410 7350 7280 7210 7130 7050

6960 6200 5120 3970 3030 2340 1850 1500 1230 1030 875 751

0.617 1860 1670 1440 1210 1010 853 729 632 557 496 447 407

1860 1860 1780 1630 1470 1300 1140 997 867 756 662 583

0.256 2140 1860 1570 1290 1060 887 753 650 570 507 456 415

2140 2140 2040 1870 1690 1500 1320 1150 998 870 762 670

0.5 6450 6450 6450 6430 6390 6340 6290 6240 6180 6120 6050 5980

5880 5190 4220 3220 2440 1880 1480 1200 985 824 699 600

0.5 1540 1370 1160 966 796 662 559 480 419 371 332 301

1540 1540 1460 1330 1190 1050 916 793 687 597 522 458

0.208 1770 1520 1270 1030 835 687 576 493 429 378 338 306

1780 1780 1680 1530 1370 1210 1060 915 793 689 602 529

0.424 6070 6070 6070 6050 6000 5960 5910 5860 5800 5740 5680 5600

5510 4810 3850 2900 2180 1670 1320 1060 873 729 618 531

0.424 1430 1250 1050 865 705 581 487 416 361 318 283 256

1430 1430 1330 1210 1080 945 818 705 608 527 459 403

0.173 1620 1390 1150 919 737 602 501 426 369 324 288 260

1650 1650 1540 1400 1250 1090 946 815 703 609 531 466

0.763 7490 7490 7490 7450 7390 7330 7260 7200 7120 7040 6950 6840

6860 6090 5010 3860 2940 2270 1800 1450 1190 1000 848 729

0.763 1700 1520 1310 1110 936 797 689 604 537 483 438 402

1700 1700 1620 1480 1330 1180 1030 900 782 681 596 524

0.303 1940 1680 1420 1180 984 829 711 621 550 493 447 409

1940 1940 1850 1690 1530 1350 1180 1030 895 780 682 600

0.65 6690 6690 6690 6660 6600 6550 6490 6430 6360 6290 6200 6110

6120 5410 4420 3390 2580 1990 1570 1270 1040 873 740 636

0.65 1510 1340 1150 961 803 677 580 505 446 399 361 330

1510 1510 1430 1310 1180 1040 907 787 683 594 519 457

0.256 1710 1480 1240 1020 841 702 598 518 456 407 368 335

1730 1730 1640 1500 1340 1190 1040 900 781 679 594 522

0.58 6140 6140 6140 6100 6060 6010 5950 5890 5830 5760 5680 5600

5600 4930 4010 3060 2320 1780 1410 1140 934 781 663 569

0.58 1380 1210 1030 860 713 597 509 440 387 345 311 283

1380 1380 1300 1180 1060 936 815 706 611 531 464 408

0.228 1560 1340 1120 912 745 618 523 451 396 352 317 288

1570 1570 1490 1350 1210 1070 932 807 699 607 530 466

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

 * 762x267x173 Pcx

      Pz = Agpy = 7590 Pcy

      pyZx = 1860 Mb

      pyZy = 177 Mbs

Mb

Mbs

 * 762x267x147 Pcx

      Pz = Agpy = 6450 Pcy

      pyZx = 1540 Mb

      pyZy = 142 Mbs

Mb

Mbs

 * 762x267x134 Pcx

      Pz = Agpy = 6070 Pcy

      pyZx = 1430 Mb

      pyZy = 129 Mbs

Mb

Mbs

 * 686x254x170 Pcx

      Pz = Agpy = 7490 Pcy

      pyZx = 1700 Mb

      pyZy = 179 Mbs

Mb

Mbs

 * 686x254x152 Pcx

      Pz = Agpy = 6690 Pcy

      pyZx = 1510 Mb

      pyZy = 157 Mbs

Mb

Mbs

 * 686x254x140 Pcx

      Pz = Agpy = 6140 Pcy

      pyZx = 1380 Mb

      pyZy = 141 Mbs

Mb

Mbs

Page 56: Steel Section Capacities BS 5950 Spreadsheet

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

(kN) 2 3 4 5 6 7 8 9 10 11 12 13

0.519 5490 5490 5490 5450 5410 5360 5310 5260 5200 5140 5060 4980

4970 4340 3480 2620 1970 1520 1200 963 792 662 561 482

0.519 1200 1050 884 727 596 495 418 359 314 278 250 226

1200 1200 1120 1020 908 795 689 594 512 444 387 340

0.211 1360 1160 956 770 622 511 429 368 320 283 254 230

1380 1380 1290 1170 1040 912 790 681 588 510 444 390

1 10500 10500 10500 10400 10300 10200 10100 9990 9870 9740 9590 9420

9960 9300 8420 7280 6030 4900 3980 3270 2720 2290 1960 1690

1 2580 2480 2240 2010 1780 1590 1420 1270 1160 1060 972 900

2580 2580 2580 2500 2340 2170 2000 1830 1650 1490 1340 1200

0.899 7870 7870 7860 7800 7730 7660 7590 7500 7410 7310 7200 7060

7480 6960 6270 5370 4410 3560 2890 2370 1970 1660 1410 1220

0.899 1700 1650 1490 1320 1170 1030 905 804 721 652 594 546

1700 1700 1700 1630 1530 1420 1300 1180 1060 955 855 766

0.296 1910 1820 1620 1430 1240 1080 942 832 742 669 609 558

1910 1910 1910 1840 1720 1590 1460 1330 1200 1070 961 861

0.671 6560 6560 6550 6500 6440 6380 6320 6250 6170 6080 5990 5870

6220 5780 5190 4440 3630 2930 2370 1940 1610 1360 1160 996

0.671 1420 1360 1220 1080 940 816 711 624 554 497 449 410

1420 1420 1420 1360 1270 1170 1070 974 877 786 703 629

0.213 1580 1500 1330 1160 993 852 736 643 568 508 459 418

1580 1580 1580 1520 1420 1310 1200 1090 980 878 786 703

0.781 6140 6140 6130 6080 6030 5970 5900 5840 5760 5670 5570 5460

5520 4750 3720 2770 2060 1580 1240 1000 821 686 581 499

0.781 1240 1070 905 752 629 534 461 405 361 325 296 272

1250 1250 1150 1040 915 794 682 584 502 434 377 330

0.305 1390 1180 975 796 656 552 475 415 369 332 302 277

1430 1430 1320 1190 1050 908 780 668 574 496 431 378

0.664 5490 5490 5480 5430 5380 5330 5270 5210 5140 5060 4980 4870

4920 4210 3280 2430 1810 1380 1090 873 717 599 507 435

0.664 1100 945 790 649 537 451 387 338 299 268 244 223

1110 1110 1020 916 806 697 598 511 438 378 329 288

0.257 1230 1040 849 685 559 466 397 345 305 273 248 227

1270 1270 1160 1040 920 796 682 583 500 432 375 328

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

 * 686x254x125 Pcx

      Pz = Agpy = 5490 Pcy

      pyZx = 1200 Mb

      pyZy = 119 Mbs

Mb

Mbs

   610x305x238 Pcx

      Pz = Agpy = 10500 Pcy

      pyZx = 2270 Mb

      pyZy = 351 Mbs

 * 610x305x179 Pcx

      Pz = Agpy = 7870 Pcy

      pyZx = 1700 Mb

      pyZy = 256 Mbs

Mb

Mbs

 * 610x305x149 Pcx

      Pz = Agpy = 6560 Pcy

      pyZx = 1420 Mb

      pyZy = 211 Mbs

Mb

Mbs

 * 610x229x140 Pcx

      Pz = Agpy = 6140 Pcy

      pyZx = 1250 Mb

      pyZy = 135 Mbs

Mb

Mbs

 * 610x229x125 Pcx

      Pz = Agpy = 5490 Pcy

      pyZx = 1110 Mb

      pyZy = 118 Mbs

Mb

Mbs

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Page 57: Steel Section Capacities BS 5950 Spreadsheet

and Limit for

Capacities

(kN) 2 3 4 5 6 7 8 9 10 11 12 13

0.586 4970 4970 4960 4920 4870 4820 4770 4710 4650 4580 4490 4400

4430 3770 2910 2140 1590 1210 951 764 627 524 444 381

0.586 973 834 690 561 459 383 325 282 249 222 201 183

992 991 903 808 708 610 521 444 380 328 285 249

0.228 1090 916 740 590 477 394 334 288 253 226 204 186

1130 1130 1030 923 809 697 595 507 434 374 325 284

0.513 4580 4580 4570 4530 4480 4440 4390 4330 4270 4200 4120 4020

4050 3390 2560 1850 1370 1040 813 653 536 447 378 324

0.513 867 736 600 480 387 319 269 231 202 180 162 147

893 883 800 711 617 527 446 378 323 277 240 210

0.204 973 809 642 503 401 328 275 236 206 183 164 149

1020 1010 917 814 707 603 511 434 370 317 275 240

0.928 5350 5350 5320 5260 5210 5150 5080 5000 4910 4810 4690 4550

4720 3940 2970 2150 1580 1200 944 758 621 518 439 376

0.928 935 800 668 553 463 395 344 304 272 247 226 208

964 952 862 764 662 565 478 405 346 297 257 224

0.359 1050 879 716 583 482 409 354 312 278 252 230 212

1100 1090 986 874 758 646 547 464 395 340 294 257

0.804 4800 4800 4770 4720 4670 4610 4550 4480 4400 4310 4200 4070

4220 3500 2610 1880 1380 1050 823 661 542 452 382 328

0.804 825 700 577 471 390 329 284 249 222 201 183 168

855 840 759 671 579 492 415 352 299 257 222 194

0.311 922 766 616 494 404 339 291 255 227 204 186 171

976 960 866 766 661 562 474 401 342 293 254 221

0.714 4450 4450 4420 4380 4330 4280 4220 4160 4080 4000 3890 3770

3910 3230 2400 1730 1270 964 755 606 496 414 351 301

0.714 761 643 526 426 350 294 252 221 196 176 160 147

791 776 700 618 532 452 381 322 274 235 203 177

0.272 849 702 561 446 362 302 258 225 200 179 163 149

901 885 798 704 607 515 434 367 312 268 232 202

0.619 4150 4150 4120 4080 4040 3990 3930 3870 3800 3710 3610 3490

3620 2960 2170 1540 1130 857 670 537 440 367 311 266

0.619 702 588 474 378 307 255 218 189 167 150 136 124

736 717 644 565 484 408 343 289 245 210 181 158

0.237 782 640 503 395 317 262 222 193 170 152 138 126

838 816 734 644 551 465 390 329 279 239 206 180

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

 * 610x229x113 Pcx

      Pz = Agpy = 4970 Pcy

      pyZx = 992 Mb

      pyZy = 104 Mbs

Mb

Mbs

 * 610x229x101 Pcx

      Pz = Agpy = 4580 Pcy

      pyZx = 893 Mb

      pyZy = 90.9 Mbs

Mb

Mbs

 * 533x210x122 Pcx

      Pz = Agpy = 5350 Pcy

      pyZx = 964 Mb

      pyZy = 110 Mbs

Mb

Mbs

 * 533x210x109 Pcx

      Pz = Agpy = 4800 Pcy

      pyZx = 855 Mb

      pyZy = 96.3 Mbs

Mb

Mbs

 * 533x210x101 Pcx

      Pz = Agpy = 4450 Pcy

      pyZx = 791 Mb

      pyZy = 88.3 Mbs

Mb

Mbs

 * 533x210x92 Pcx

      Pz = Agpy = 4150 Pcy

      pyZx = 736 Mb

      pyZy = 80.9 Mbs

Mb

Mbs

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Page 58: Steel Section Capacities BS 5950 Spreadsheet

Capacities

(kN) 2 3 4 5 6 7 8 9 10 11 12 13

0.564 3730 3730 3700 3660 3620 3570 3520 3460 3390 3310 3220 3100

3220 2590 1870 1320 964 729 569 456 374 311 264 226

0.564 606 503 400 315 253 208 176 152 133 119 107 97.5

639 617 552 480 408 342 286 240 203 173 150 130

0.225 676 548 424 328 261 213 179 154 135 120 109 98.8

731 706 631 550 467 391 327 274 232 198 171 149

0.998 4310 4310 4260 4210 4150 4090 4020 3930 3830 3700 3550 3380

3730 3000 2160 1530 1120 847 661 530 434 362 306 262

0.998 640 539 444 366 307 263 229 204 183 167 153 141

675 652 583 507 431 361 302 254 215 184 158 138

0.371 714 588 473 383 318 271 235 208 187 170 156 144

770 744 665 578 492 412 344 289 245 209 181 157

0.88 3930 3930 3880 3840 3790 3730 3660 3580 3490 3370 3230 3070

3390 2710 1950 1370 1000 759 593 475 389 324 274 235

0.88 576 481 391 318 264 224 195 172 154 140 128 118

611 588 525 455 386 323 269 226 191 163 141 123

0.325 641 523 415 333 273 231 199 176 157 142 130 120

695 669 597 518 439 367 307 257 218 186 160 140

0.783 3690 3690 3640 3600 3550 3490 3430 3350 3250 3140 3000 2830

3160 2490 1760 1230 897 677 528 423 346 289 244 209

0.783 535 442 353 283 232 196 169 148 132 119 109 100

572 546 485 418 352 293 243 203 172 146 126 110

0.294 593 478 374 295 240 201 172 151 134 121 110 101

650 621 551 476 400 333 276 231 195 166 143 125

0.666 3360 3350 3310 3270 3230 3180 3120 3040 2960 2850 2730 2580

2860 2250 1580 1110 806 608 474 380 311 259 219 188

0.666 482 395 313 248 201 168 144 126 112 100 91.3 83.8

518 493 437 376 316 262 218 182 154 131 113 98.1

0.244 533 427 329 257 207 172 147 128 113 102 92.6 84.9

587 559 496 427 358 297 247 206 174 148 128 111

0.601 3040 3030 2990 2950 2910 2860 2810 2740 2660 2560 2440 2300

2570 2000 1390 970 703 530 413 331 271 226 191 163

0.601 425 346 270 211 170 141 120 104 91.7 82.2 74.5 68.2

460 436 385 329 275 227 188 157 132 113 97 84.3

0.226 471 373 284 219 175 144 122 106 93.1 83.3 75.5 69

522 495 437 374 312 258 214 178 150 128 110 95.6

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

 * 533x210x82 Pcx

      Pz = Agpy = 3730 Pcy

      pyZx = 639 Mb

      pyZy = 68.2 Mbs

Mb

Mbs

 * 457x191x98 Pcx

      Pz = Agpy = 4310 Pcy

      pyZx = 675 Mb

      pyZy = 83.8 Mbs

Mb

Mbs

 * 457x191x89 Pcx

      Pz = Agpy = 3930 Pcy

      pyZx = 611 Mb

      pyZy = 75.2 Mbs

Mb

Mbs

 * 457x191x82 Pcx

      Pz = Agpy = 3690 Pcy

      pyZx = 572 Mb

      pyZy = 69.6 Mbs

Mb

Mbs

 * 457x191x74 Pcx

      Pz = Agpy = 3360 Pcy

      pyZx = 518 Mb

      pyZy = 62.5 Mbs

Mb

Mbs

 * 457x191x67 Pcx

      Pz = Agpy = 3040 Pcy

      pyZx = 460 Mb

      pyZy = 54.3 Mbs

Mb

Mbs

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 59: Steel Section Capacities BS 5950 Spreadsheet

(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9

0.88 3620 3620 3620 3620 3620 3600 3580 3530 3480 3430 3360 3290

3420 3160 2810 2360 1910 1530 1230 831 595 446 346 276

0.88 542 522 470 418 368 323 286 228 189 161 140 125

542 542 542 512 476 438 399 321 255 204 165 135

0.353 625 587 522 456 395 343 300 237 194 165 143 127

625 625 625 590 549 505 459 370 294 235 190 156

0.762 3260 3260 3260 3260 3250 3240 3220 3180 3130 3080 3020 2950

3080 2840 2510 2100 1690 1350 1080 732 524 392 304 243

0.762 488 467 419 370 323 281 247 195 160 135 117 104

488 488 488 459 426 391 355 285 226 180 145 119

0.304 561 525 464 402 346 297 258 201 164 138 119 105

561 561 561 528 490 450 409 328 260 207 167 137

0.666 3040 3040 3040 3040 3030 3010 3000 2960 2910 2870 2810 2740

2860 2620 2300 1900 1510 1200 958 645 460 344 267 213

0.666 448 425 378 331 286 246 214 166 134 113 97.1 85.3

448 448 447 418 386 353 319 253 199 158 127 104

0.27 516 477 418 359 304 259 223 171 138 115 98.8 86.7

516 516 514 480 444 406 367 291 229 182 146 120

0.549 2710 2710 2710 2710 2700 2680 2670 2630 2590 2550 2500 2440

2540 2330 2030 1670 1320 1040 835 561 400 299 232 185

0.549 398 375 333 289 247 211 182 139 112 92.8 79.4 69.5

398 398 396 369 341 311 280 222 174 138 111 90.6

0.216 457 420 366 312 262 221 189 143 114 94.6 80.7 70.5

457 457 454 424 391 357 321 254 199 158 127 104

0.485 2360 2360 2360 2360 2360 2340 2330 2300 2260 2220 2170 2120

2210 2010 1730 1400 1090 857 683 458 326 244 189 150

0.485 337 315 277 237 201 170 144 109 86 70.8 60.1 52.2

337 337 332 308 283 256 229 179 139 110 88 71.9

0.199 389 353 305 256 213 177 150 112 87.8 72.1 61 52.9

389 389 383 356 326 296 264 207 161 126 101 82.9

0.892 3350 3350 3350 3350 3340 3320 3290 3250 3190 3130 3050 2960

3230 3050 2820 2520 2160 1800 1490 1040 750 565 440 352

0.892 470 470 432 393 354 316 283 228 188 160 139 123

470 470 470 467 442 416 388 331 275 226 186 155

0.319 533 525 478 430 382 337 298 237 194 164 142 125

533 533 533 530 501 472 440 375 312 256 212 176

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9

Le (m)

 * 457x152x82 Pcx

      Pz = Agpy = 3620 Pcy

      pyZx = 542 Mb

      pyZy = 52.8 Mbs

Mb

Mbs

 * 457x152x74 Pcx

      Pz = Agpy = 3260 Pcy

      pyZx = 488 Mb

      pyZy = 46.9 Mbs

Mb

Mbs

 * 457x152x67 Pcx

      Pz = Agpy = 3040 Pcy

      pyZx = 448 Mb

      pyZy = 42.2 Mbs

Mb

Mbs

 * 457x152x60 Pcx

      Pz = Agpy = 2710 Pcy

      pyZx = 398 Mb

      pyZy = 36.9 Mbs

Mb

Mbs

 * 457x152x52 Pcx

      Pz = Agpy = 2360 Pcy

      pyZx = 337 Mb

      pyZy = 30 Mbs

Mb

Mbs

 * 406x178x74 Pcx

      Pz = Agpy = 3350 Pcy

      pyZx = 470 Mb

      pyZy = 61.1 Mbs

Mb

Mbs

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

Page 60: Steel Section Capacities BS 5950 Spreadsheet

0.789 3040 3040 3040 3040 3020 3000 2980 2940 2890 2830 2760 2670

2920 2760 2540 2260 1930 1610 1320 917 664 500 389 311

0.789 422 421 386 349 313 278 246 196 160 135 116 102

422 422 422 418 395 372 346 294 243 200 164 137

0.284 478 469 426 381 336 295 259 203 165 138 119 104

478 478 478 473 448 421 392 333 275 226 186 155

0.658 2720 2720 2720 2720 2700 2680 2660 2630 2580 2530 2460 2390

2610 2460 2270 2020 1720 1430 1180 814 588 443 345 276

0.658 377 375 343 310 276 243 214 168 136 114 97.5 85.2

377 377 377 373 353 331 309 262 216 177 146 121

0.231 426 417 377 336 295 257 224 174 140 116 99.2 86.6

426 426 426 421 398 374 348 295 244 200 165 137

0.628 2450 2450 2450 2450 2430 2420 2400 2360 2320 2270 2210 2140

2350 2210 2020 1780 1500 1230 1010 696 502 377 294 235

0.628 330 327 298 267 236 207 180 140 112 92.6 78.8 68.5

330 330 330 324 305 286 265 222 182 149 122 101

0.236 375 364 328 291 253 218 189 144 115 94.5 80.2 69.5

375 375 375 367 346 324 301 252 207 169 138 114

0.496 2080 2080 2080 2080 2070 2050 2040 2010 1970 1930 1880 1810

1930 1750 1490 1190 925 722 574 384 273 204 158 126

0.496 276 254 221 189 159 134 115 87.2 69.7 57.9 49.5 43.3

276 276 270 250 228 206 183 142 110 86.1 68.9 56.2

0.184 315 282 242 202 167 140 118 89.3 71 58.8 50.2 43.9

315 315 308 285 261 235 209 162 125 98.2 78.7 64.2

0.438 1760 1760 1760 1760 1750 1740 1730 1700 1670 1630 1580 1520

1620 1450 1210 942 721 559 442 294 209 156 121 96.1

0.438 223 202 174 146 121 101 84.8 63.2 49.7 40.8 34.5 29.9

223 223 215 197 179 159 140 107 81.6 63.7 50.8 41.3

0.174 257 225 190 156 127 105 87.5 64.6 50.6 41.4 35 30.3

257 257 247 227 206 183 161 123 93.9 73.3 58.4 47.6

1 3040 3040 3040 3030 3000 2980 2960 2910 2850 2770 2680 2560

2920 2760 2540 2260 1930 1610 1320 917 664 500 389 311

1 430 422 384 346 309 274 244 196 163 139 121 107

430 430 430 426 403 378 353 299 248 203 167 139

0.873 2580 2580 2580 2570 2550 2530 2510 2470 2410 2350 2260 2160

2480 2330 2140 1890 1610 1330 1090 752 543 409 318 254

0.873 318 315 288 261 233 207 183 146 120 102 88.1 77.8

318 318 318 313 296 277 258 217 179 146 120 99.7

0.298 359 350 317 283 249 219 192 151 124 104 89.8 79.1

359 359 359 353 333 313 291 245 202 165 135 112

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

 * 406x178x67 Pcx

      Pz = Agpy = 3040 Pcy

      pyZx = 422 Mb

      pyZy = 54.3 Mbs

Mb

Mbs

 * 406x178x60 Pcx

      Pz = Agpy = 2720 Pcy

      pyZx = 377 Mb

      pyZy = 47.9 Mbs

Mb

Mbs

 * 406x178x54 Pcx

      Pz = Agpy = 2450 Pcy

      pyZx = 330 Mb

      pyZy = 40.8 Mbs

Mb

Mbs

 * 406x140x46 Pcx

      Pz = Agpy = 2080 Pcy

      pyZx = 276 Mb

      pyZy = 26.9 Mbs

Mb

Mbs

 * 406x140x39 Pcx

      Pz = Agpy = 1760 Pcy

      pyZx = 223 Mb

      pyZy = 20.5 Mbs

Mb

Mbs

   356x171x67 Pcx

      Pz = Agpy = 3040 Pcy

      pyZx = 380 Mb

      pyZy = 55.7 Mbs

 * 356x171x57 Pcx

      Pz = Agpy = 2580 Pcy

      pyZx = 318 Mb

      pyZy = 45.8 Mbs

Mb

Mbs

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Page 61: Steel Section Capacities BS 5950 Spreadsheet

and Limit for

Capacities

(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9

0.754 2300 2300 2300 2300 2280 2260 2240 2200 2150 2090 2020 1920

2210 2080 1900 1680 1420 1160 955 657 474 357 278 222

0.754 283 279 254 229 203 179 157 124 101 84.3 72.5 63.6

283 283 283 277 262 245 227 191 157 128 105 86.8

0.258 318 309 279 247 217 188 164 128 103 86 73.8 64.6

318 318 318 312 294 276 256 215 176 144 118 97.7

0.686 2030 2030 2030 2020 2010 1990 1980 1940 1900 1840 1770 1680

1950 1820 1660 1450 1210 991 808 554 399 300 233 186

0.686 244 239 217 194 171 149 130 101 80.7 67 57.2 49.8

244 244 244 238 223 209 193 161 131 106 86.7 71.7

0 275 265 238 210 182 157 135 104 82.6 68.3 58.1 50.6

275 275 275 268 252 235 218 181 147 120 97.8 80.9

0.619 1770 1770 1770 1760 1750 1730 1720 1680 1640 1590 1530 1450

1610 1410 1130 859 647 497 392 260 184 137 106 84.3

0.619 204 179 152 127 105 88.6 75.8 58.3 47.1 39.6 34.2 30.1

204 204 192 175 156 137 119 88.7 67 52 41.3 33.5

0.238 230 198 165 134 110 91.8 78 59.5 48 40.2 34.7 30.5

234 234 220 200 178 157 136 101 76.7 59.5 47.2 38.4

0.517 1490 1490 1490 1490 1470 1460 1450 1420 1380 1340 1280 1210

1350 1170 921 687 513 393 309 204 145 108 83.2 66.2

0.517 167 145 121 99.2 81.1 67.2 56.8 42.8 34.1 28.4 24.3 21.2

168 168 156 141 124 108 93.3 68.8 51.8 40 31.7 25.7

0.206 188 160 131 105 84.5 69.4 58.3 43.7 34.7 28.8 24.6 21.5

193 193 179 161 143 124 107 79 59.4 45.9 36.4 29.5

1 2440 2440 2440 2420 2400 2380 2350 2300 2230 2140 2020 1870

2350 2210 2030 1800 1530 1270 1040 719 520 391 304 243

1 300 294 267 240 214 190 169 136 113 96.9 84.7 75.2

300 300 300 296 280 262 244 206 170 139 114 94.9

0.834 2080 2080 2080 2070 2050 2030 2010 1960 1900 1830 1730 1600

2000 1880 1730 1530 1290 1070 878 605 437 329 256 205

0.834 229 226 207 187 167 148 131 105 86.8 73.7 64 56.6

229 229 229 226 213 200 186 156 129 105 86.3 71.6

0.247 256 249 225 201 177 156 137 108 88.9 75.2 65.2 57.5

256 256 256 252 237 223 207 174 143 117 96.2 79.8

0.695 1820 1820 1820 1800 1790 1770 1750 1710 1660 1590 1500 1390

1750 1640 1500 1330 1120 921 755 520 375 282 219 175

0.695 199 196 178 160 141 124 109 86.1 70.1 58.9 50.7 44.6

199 199 199 195 184 172 160 134 110 89.8 73.6 61

0.205 221 214 193 171 150 130 114 88.6 71.7 60 51.6 45.2

221 221 221 217 205 192 178 149 122 99.9 81.9 67.9

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

 * 356x171x51 Pcx

      Pz = Agpy = 2300 Pcy

      pyZx = 283 Mb

      pyZy = 40.1 Mbs

Mb

Mbs

 * 356x171x45 Pcx

      Pz = Agpy = 2030 Pcy

      pyZx = 244 Mb

      pyZy = 33.7 Mbs

Mb

Mbs

 * 356x127x39 Pcx

      Pz = Agpy = 1770 Pcy

      pyZx = 204 Mb

      pyZy = 20.2 Mbs

Mb

Mbs

 * 356x127x33 Pcx

      Pz = Agpy = 1490 Pcy

      pyZx = 168 Mb

      pyZy = 15.9 Mbs

Mb

Mbs

   305x165x54 Pcx

      Pz = Agpy = 2440 Pcy

      pyZx = 268 Mb

      pyZy = 45.1 Mbs

 * 305x165x46 Pcx

      Pz = Agpy = 2080 Pcy

      pyZx = 229 Mb

      pyZy = 38.3 Mbs

Mb

Mbs

 * 305x165x40 Pcx

      Pz = Agpy = 1820 Pcy

      pyZx = 199 Mb

      pyZy = 32.9 Mbs

Mb

Mbs

Page 62: Steel Section Capacities BS 5950 Spreadsheet

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9

1 2170 2170 2170 2150 2130 2110 2090 2040 1970 1880 1760 1610

1980 1750 1430 1090 824 635 501 332 236 176 136 108

1 251 220 188 160 136 118 103 82.5 68.8 59.1 51.9 46.3

252 252 239 218 196 173 151 113 85.7 66.6 53 43

1 1900 1900 1890 1880 1860 1840 1820 1770 1710 1630 1530 1390

1730 1520 1230 931 702 540 426 282 200 149 115 91.7

1 215 187 159 133 112 95.1 82.6 65.1 53.8 45.9 40.1 35.6

218 218 205 187 167 147 128 95.5 72.3 56.1 44.6 36.2

0.914 1680 1680 1670 1660 1640 1630 1610 1570 1510 1440 1340 1220

1520 1330 1070 809 609 468 369 244 173 129 99.7 79.3

0.914 167 147 126 106 89.3 76.1 65.9 51.7 42.5 36.1 31.4 27.9

167 167 157 143 127 112 96.8 72.1 54.5 42.2 33.5 27.2

0.361 188 163 136 113 93.6 79 68 52.9 43.3 36.7 31.9 28.3

191 191 179 163 146 128 111 82.5 62.4 48.3 38.4 31.2

0.763 1480 1480 1480 1470 1460 1440 1430 1390 1340 1280 1200 1100

1280 1020 724 510 371 281 219 144 101 75.2 58 46.1

0.763 140 117 94.4 76.1 62.5 52.7 45.4 35.5 29.2 24.9 21.7 19.3

148 142 126 109 92.5 77.2 64.3 45.5 33.5 25.6 20.1 16.2

0.321 157 128 101 79.8 64.9 54.3 46.5 36.2 29.7 25.2 22 19.5

171 164 146 127 107 89.2 74.3 52.6 38.8 29.6 23.3 18.8

0.648 1270 1270 1270 1260 1250 1240 1220 1190 1150 1090 1020 923

1080 846 592 414 300 227 177 116 81.6 60.5 46.7 37.1

0.648 116 95.2 75.4 59.6 48.2 40 34.1 26.2 21.3 18 15.6 13.8

124 117 104 89.2 74.7 61.8 51.2 36.1 26.5 20.2 15.9 12.8

0.281 130 104 80.3 62.3 49.8 41.1 34.9 26.7 21.7 18.3 15.8 14

143 136 120 103 86.5 71.6 59.3 41.8 30.7 23.4 18.4 14.8

0.61 1120 1120 1120 1110 1100 1090 1070 1040 1000 951 879 792

935 705 480 332 240 180 140 91.9 64.7 47.9 37 29.4

0.61 95.8 77.6 60.2 46.7 37.3 30.7 25.9 19.7 15.9 13.3 11.5 10.1

104 96.7 84.4 71.3 58.9 48.2 39.6 27.7 20.2 15.4 12 9.7

0.287 109 85.1 64 48.8 38.5 31.5 26.5 20 16.1 13.5 11.6 10.2

121 113 98.9 83.6 68.9 56.4 46.4 32.4 23.7 18 14.1 11.4

1 1950 1950 1930 1910 1890 1870 1840 1780 1690 1570 1420 1240

1850 1720 1540 1310 1070 859 694 471 338 253 197 157

1 201 191 171 152 134 119 106 85.8 72 62 54.5 48.7

201 201 201 192 179 166 152 124 98.8 79.3 64.3 52.9

1 1680 1680 1660 1650 1630 1610 1590 1530 1450 1350 1210 1060

1590 1470 1320 1120 907 727 587 398 285 214 166 132

1 171 162 144 127 111 96.5 84.9 67.8 56.1 47.9 41.8 37.2

171 171 171 163 152 140 128 104 83.1 66.5 53.9 44.3

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

   305x127x48 Pcx

      Pz = Agpy = 2170 Pcy

      pyZx = 219 Mb

      pyZy = 26.1 Mbs

   305x127x42 Pcx

      Pz = Agpy = 1900 Pcy

      pyZx = 190 Mb

      pyZy = 22.2 Mbs

 * 305x127x37 Pcx

      Pz = Agpy = 1680 Pcy

      pyZx = 167 Mb

      pyZy = 19.3 Mbs

Mb

Mbs

 * 305x102x33 Pcx

      Pz = Agpy = 1480 Pcy

      pyZx = 148 Mb

      pyZy = 13.5 Mbs

Mb

Mbs

 * 305x102x28 Pcx

      Pz = Agpy = 1270 Pcy

      pyZx = 124 Mb

      pyZy = 10.8 Mbs

Mb

Mbs

 * 305x102x25 Pcx

      Pz = Agpy = 1120 Pcy

      pyZx = 104 Mb

      pyZy = 8.59 Mbs

Mb

Mbs

   254x146x43 Pcx

      Pz = Agpy = 1950 Pcy

      pyZx = 179 Mb

      pyZy = 32.7 Mbs

   254x146x37 Pcx

      Pz = Agpy = 1680 Pcy

      pyZx = 154 Mb

      pyZy = 27.7 Mbs

Page 63: Steel Section Capacities BS 5950 Spreadsheet

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9

0.947 1410 1410 1400 1380 1370 1350 1330 1280 1210 1110 988 855

1330 1230 1090 907 728 579 465 314 225 168 130 104

0.947 125 118 106 92.8 80.7 70 61.2 48.1 39.3 33.2 28.8 25.4

125 125 125 117 109 99.9 90.6 72.7 57.5 45.8 37 30.3

0.311 140 130 115 99.2 85.1 73.1 63.3 49.3 40.1 33.8 29.3 25.8

140 140 140 131 122 112 101 81.4 64.4 51.2 41.4 34

0.977 1280 1280 1270 1260 1240 1230 1210 1160 1100 1010 898 778

1110 902 654 464 339 257 201 132 93 69.1 53.3 42.4

0.977 104 88.1 72.4 59.4 49.5 42.2 36.6 29 24.1 20.6 18.1 16.1

109 106 95 83.1 70.8 59.5 49.8 35.5 26.2 20 15.8 12.7

0.383 117 96.5 77.4 62.3 51.4 43.5 37.6 29.6 24.5 20.9 18.3 16.3

125 122 109 95.2 81.2 68.2 57.1 40.7 30 23 18.1 14.6

0.907 1140 1140 1130 1110 1100 1090 1070 1030 967 883 780 671

977 778 554 390 284 215 168 110 77.5 57.5 44.4 35.3

0.907 89.3 74.5 60.2 48.5 39.9 33.6 28.9 22.6 18.6 15.9 13.8 12.3

94.4 90.7 80.8 70 59.2 49.4 41.1 29.1 21.4 16.4 12.9 10.4

0.379 100 81.6 64.2 50.8 41.3 34.6 29.6 23.1 18.9 16.1 14 12.4

109 104 92.9 80.5 68.1 56.8 47.3 33.5 24.7 18.8 14.8 11.9

0.837 994 994 984 973 961 948 932 894 838 761 667 571

842 654 455 318 230 174 135 88.7 62.5 46.3 35.7 28.4

0.837 74.3 61.1 48.4 38.3 31.1 25.9 22.1 17 13.9 11.8 10.2 9.04

79.5 75.3 66.5 56.9 47.6 39.3 32.5 22.9 16.8 12.8 10 8.08

0.375 83.6 66.9 51.5 40 32.1 26.6 22.6 17.4 14.1 11.9 10.3 9.15

91.9 87.1 76.9 65.8 55 45.4 37.6 26.4 19.4 14.8 11.6 9.34

1 1360 1350 1330 1310 1290 1270 1240 1160 1040 894 745 617

1270 1160 1010 819 645 508 405 272 194 145 112 89.5

1 111 103 90.7 79.3 69.2 60.7 53.7 43.4 36.4 31.4 27.6 24.6

111 111 110 103 94.5 85.9 77.1 60.6 47.3 37.4 30 24.6

1 1140 1130 1120 1100 1080 1060 1040 966 862 733 608 502

1060 964 829 669 523 410 326 219 156 116 90.1 71.8

1 91.6 83.2 72.8 62.6 53.6 46.3 40.4 32 26.4 22.5 19.7 17.5

91.6 91.6 90 83.6 76.7 69.4 62.1 48.4 37.6 29.6 23.8 19.4

1 1040 1040 1020 1010 993 973 949 882 784 664 548 452

922 770 578 418 308 234 183 121 85.2 63.3 48.9 38.9

1 78.9 66.7 55.2 45.8 38.6 33.1 29 23.3 19.5 16.8 14.7 13.2

83.1 82 74.3 65.9 57.1 48.7 41.2 29.7 22.1 17 13.4 10.8

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

 * 254x146x31 Pcx

      Pz = Agpy = 1410 Pcy

      pyZx = 125 Mb

      pyZy = 21.8 Mbs

Mb

Mbs

 * 254x102x28 Pcx

      Pz = Agpy = 1280 Pcy

      pyZx = 109 Mb

      pyZy = 12.4 Mbs

Mb

Mbs

 * 254x102x25 Pcx

      Pz = Agpy = 1140 Pcy

      pyZx = 94.4 Mb

      pyZy = 10.4 Mbs

Mb

Mbs

 * 254x102x22 Pcx

      Pz = Agpy = 994 Pcy

      pyZx = 79.5 Mb

      pyZy = 8.34 Mbs

Mb

Mbs

   203x133x30 Pcx

      Pz = Agpy = 1360 Pcy

      pyZx = 99.4 Mb

      pyZy = 20.4 Mbs

   203x133x25 Pcx

      Pz = Agpy = 1140 Pcy

      pyZx = 81.7 Mb

      pyZy = 16.4 Mbs

   203x102x23 Pcx

      Pz = Agpy = 1040 Pcy

      pyZx = 73.5 Mb

      pyZy = 11.4 Mbs

Page 64: Steel Section Capacities BS 5950 Spreadsheet

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9

1 863 854 840 825 808 786 758 679 570 460 370 301

763 638 480 348 256 195 153 100 71 52.8 40.7 32.4

1 57.7 48.9 40.5 33.5 28.2 24.3 21.3 17 14.2 12.3 10.8 9.63

60.7 60 54.4 48.3 41.9 35.7 30.3 21.9 16.3 12.5 9.86 7.97

1 720 708 694 677 657 629 593 492 385 299 236 190

615 483 340 238 173 131 102 66.7 47 34.9 26.9 21.4

1 40.1 33.3 27.4 22.8 19.3 16.8 14.8 12 10.1 8.78 7.75 6.95

43.7 41.6 36.9 31.8 26.7 22.1 18.4 13 9.51 7.25 5.7 4.6

1 581 569 554 534 506 468 419 313 232 176 137 110

474 340 225 154 110 82.9 64.5 42.1 29.6 21.9 16.9 13.4

1 26.4 21.7 17.9 15.1 13 11.4 10.1 8.31 7.06 6.15 5.45 4.89

29.9 27.2 23.3 19.3 15.6 12.6 10.3 7.1 5.16 3.91 3.07 2.46

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

   178x102x19 Pcx

      Pz = Agpy = 863 Pcy

      pyZx = 54.3 Mb

      pyZy = 9.59 Mbs

   152x89x16 Pcx

      Pz = Agpy = 721 Pcy

      pyZx = 38.7 Mb

      pyZy = 7.17 Mbs

   127x76x13 Pcx

      Pz = Agpy = 586 Pcy

      pyZx = 26.5 Mb

      pyZy = 5.22 Mbs

Page 65: Steel Section Capacities BS 5950 Spreadsheet

for

14

19200

2380

2450

2860

17500

2140

2040

2510

15700

1870

1680

2200

14600

1730

1390

1730

1430

2000

13200

1530

1160

1530

1190

1760

11400

1320

926

1320

944

1520

10400

1110

743

1090

757

1250

, Mbs (kNm)

Page 66: Steel Section Capacities BS 5950 Spreadsheet

for

14

9250

906

576

861

587

1000

16200

4030

2260

3260

2330

3680

14300

3480

1860

2820

1910

3170

12000

1460

995

1340

1020

1540

10500

1250

795

1140

811

1320

9300

1060

635

958

647

1100

, Mbs (kNm)

Page 67: Steel Section Capacities BS 5950 Spreadsheet

for

14

8310

891

509

792

518

918

9320

1070

655

925

668

1060

7940

857

485

728

494

838

7190

739

400

619

407

715

7960

778

478

620

487

713

, Mbs (kNm)

Page 68: Steel Section Capacities BS 5950 Spreadsheet

for

14

6960

652

374

516

380

594

5890

521

274

405

279

467

5520

460

232

356

236

411

6730

632

371

464

378

531

6010

552

303

404

308

462

5500

494

260

360

264

412

, Mbs (kNm)

Page 69: Steel Section Capacities BS 5950 Spreadsheet

for

14

4890

418

207

300

210

344

9230

1470

839

1080

6910

1060

505

688

515

773

5750

866

377

565

383

631

5330

432

252

291

256

333

4760

377

206

254

209

289

, Mbs (kNm)

, Mbs (kNm)

Page 70: Steel Section Capacities BS 5950 Spreadsheet

for

14

4290

330

168

219

171

250

3910

281

134

184

136

211

4390

326

193

197

197

226

3910

284

156

171

158

195

3630

260

136

156

138

178

3350

231

114

139

116

158

for

, Mbs (kNm)

Page 71: Steel Section Capacities BS 5950 Spreadsheet

14

2970

196

89.6

114

90.7

131

3180

227

131

121

133

138

2880

204

109

108

111

123

2650

181

92.7

96.2

93.9

109

2410

163

77.5

86

78.4

97.5

2140

141

62.9

73.9

63.6

83.8

for

, Mbs (kNm)

Page 72: Steel Section Capacities BS 5950 Spreadsheet

10

3190

225

112

113

114

130

2870

198

92.9

99.6

94.4

115

2660

174

76.2

86.8

77.3

99.8

2360

151

61.8

75.4

62.6

86.5

2050

123

46.2

59.7

46.8

68.9

2840

288

110

131

112

148

for

10

, Mbs (kNm)

Page 73: Steel Section Capacities BS 5950 Spreadsheet

2570

255

91.5

115

92.9

130

2290

226

75.8

102

76.9

115

2050

192

60.6

84.7

61.4

96.1

1730

103

38.5

46.7

39

53.3

1440

78.3

26.4

34.3

26.7

39.4

2410

255

96.7

117

2020

208

69.6

83.8

70.7

94.4

, Mbs (kNm)

Page 74: Steel Section Capacities BS 5950 Spreadsheet

for

10

1800

181

56.7

72.8

57.5

82

1560

152

44.2

60.1

44.8

67.8

1340

68.7

27

27.7

27.3

31.7

1120

53.9

18.9

21.3

19.1

24.4

1690

199

67.8

79.8

1450

167

50.8

60.1

51.6

67

1250

143

39.8

51.2

40.3

57

Page 75: Steel Section Capacities BS 5950 Spreadsheet

for

10

1440

88.1

41.8

35.6

1240

74.7

32.1

30

1090

64.6

25.1

22.5

25.4

25.8

984

37.5

17.3

13.4

17.5

15.5

820

30.2

12.4

10.5

12.5

12.2

699

23.9

9.05

7.97

9.15

9.34

1070

128

44

44.2

909

108

33.5

37

, Mbs (kNm)

Page 76: Steel Section Capacities BS 5950 Spreadsheet

for

10

732

84.9

22.8

25.3

23.1

28.3

666

34.5

14.5

10.5

14.7

12

572

28.7

11.1

8.55

11.2

9.83

485

23.1

8.12

6.65

8.21

7.69

515

73

22.3

20.4

418

58.6

15.7

16.1

376

31.6

11.9

8.93

, Mbs (kNm)

Page 77: Steel Section Capacities BS 5950 Spreadsheet

for

10

249

26.4

8.71

6.58

156

17.4

6.3

3.78

89.6

10.9

4.44

2.02

, Mbs (kNm)

Page 78: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UC SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

3400 3400 3400 3400 3400 3400 3400 3400 3400 3400 3400

n/a 1360 1360 1360 1360 1360 1360 1360 1360 1360 1360 1360

1 3400 3400 3150 2830 2480 2110 1730 1320 902 460 0

1360 1360 1360 1360 1360 1360 1260 1030 735 394 0

2930 2930 2930 2930 2930 2930 2930 2930 2930 2930 2930

n/a 1160 1160 1160 1160 1160 1160 1160 1160 1160 1160 1160

1 2930 2890 2670 2390 2090 1780 1450 1110 755 385 0

1160 1160 1160 1160 1160 1160 1080 878 630 338 0

2550 2550 2550 2550 2550 2550 2550 2550 2550 2550 2550

n/a 1010 1010 1010 1010 1010 1010 1010 1010 1010 1010 1010

1 2550 2490 2300 2050 1790 1520 1240 944 641 326 0

1010 1010 1010 1010 1010 1010 940 763 548 293 0

2100 2100 2100 2100 2100 2100 2100 2100 2100 2100 2100

n/a 833 833 833 833 833 833 833 833 833 833 833

1 2100 2040 1890 1680 1460 1240 1010 768 520 264 0

833 833 833 833 833 833 780 634 455 244 0

1780 1780 1780 1780 1780 1780 1780 1780 1780 1780 1780

n/a 711 711 711 711 711 711 711 711 711 711 711

1 1780 1740 1610 1430 1240 1050 850 646 437 221 0

711 711 711 711 711 711 667 542 389 209 0

1540 1540 1540 1540 1540 1540 1540 1540 1540 1540 1540

n/a 617 617 617 617 617 617 617 617 617 617 617

1 1540 1500 1380 1230 1070 899 728 553 373 189 0

617 617 617 617 617 617 579 471 338 181 0

1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240

n/a 499 499 499 499 499 499 499 499 499 499 499

1 1240 1210 1110 983 852 717 580 439 296 149 0

499 499 499 499 499 499 469 381 274 147 0

1050 1050 1050 1050 1050 1050 1050 1050 1050 1050 1050

n/a 402 402 402 402 402 402 402 402 402 402 402

1 1050 1030 947 836 723 609 492 372 250 126 0

402 402 402 402 402 402 381 310 223 119 0

916 916 916 916 916 916 916 916 916 916 916

n/a 350 350 350 350 350 350 350 350 350 350 350

1 916 892 822 727 629 529 426 323 217 109 0

350 350 350 350 350 350 333 271 195 104 0

BS 5950-1: 2000 AXIAL LOAD & BENDING

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   356x406x634 # Mcx

      Pz = Agpy = 19800 Mcy

Mrx

Mry

   356x406x551 # Mcx

      Pz = Agpy = 17200 Mcy

Mrx

Mry

   356x406x467 # Mcx

      Pz = Agpy = 15200 Mcy

Mrx

Mry

   356x406x393 # Mcx

      Pz = Agpy = 12800 Mcy

Mrx

Mry

   356x406x340 # Mcx

      Pz = Agpy = 11000 Mcy

Mrx

Mry

   356x406x287 # Mcx

      Pz = Agpy = 9700 Mcy

Mrx

Mry

   356x406x235 # Mcx

      Pz = Agpy = 7920 Mcy

Mrx

Mry

   356x368x202 # Mcx

      Pz = Agpy = 6810 Mcy

Mrx

Mry

   356x368x177 # Mcx

      Pz = Agpy = 5990 Mcy

Mrx

Mry

Page 79: Steel Section Capacities BS 5950 Spreadsheet

BS 4-1: 1993

UC SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

786 786 786 786 786 786 786 786 786 786 786

n/a 301 301 301 301 301 301 301 301 301 301 301

1 786 765 704 621 537 451 363 274 184 92.9 0

301 301 301 301 301 301 286 232 167 89.6 0

651 651 651 651 651 651 651 651 651 651 651

1 252 252 252 252 252 252 252 252 252 252 252

0 - - - - - - - - - - -

- - - - - - - - - - -

1300 1300 1300 1300 1300 1300 1300 1300 1300 1300 1300

n/a 468 468 468 468 468 468 468 468 468 468 468

1 1300 1270 1180 1050 914 774 630 480 325 165 0

468 468 468 468 468 468 442 359 258 139 0

1130 1130 1130 1130 1130 1130 1130 1130 1130 1130 1130

n/a 406 406 406 406 406 406 406 406 406 406 406

1 1130 1100 1020 905 787 666 541 411 278 141 0

406 406 406 406 406 406 385 313 225 121 0

912 912 912 912 912 912 912 912 912 912 912

n/a 330 330 330 330 330 330 330 330 330 330 330

1 912 890 823 729 633 534 433 328 222 112 0

330 330 330 330 330 330 313 255 183 98.3 0

710 710 710 710 710 710 710 710 710 710 710

n/a 257 257 257 257 257 257 257 257 257 257 257

1 710 693 642 568 492 414 335 254 171 86.3 0

257 257 257 257 257 257 246 200 144 77.5 0

609 609 609 609 609 609 609 609 609 609 609

n/a 220 220 220 220 220 220 220 220 220 220 220

1 609 594 551 485 420 353 285 216 145 73.2 0

220 220 220 220 220 220 211 172 124 66.7 0

519 519 519 519 519 519 519 519 519 519 519

n/a 187 187 187 187 187 187 187 187 187 187 187

1 519 506 469 414 358 300 242 183 123 62 0

187 187 187 187 187 187 181 147 106 57.1 0

438 438 438 438 438 438 438 438 438 438 438

n/a 158 158 158 158 158 158 158 158 158 158 158

1 438 427 396 348 300 252 203 153 103 51.7 0

158 158 158 158 158 158 153 125 89.8 48.3 0

BS 5950-1: 2000 AXIAL LOAD & BENDING

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   356x368x153 # Mcx

      Pz = Agpy = 5170 Mcy

Mrx

Mry

   356x368x129 # Mcx

      Pz = Agpy = 4350 Mcy

Mrx

Mry

   305x305x283 Mcx

      Pz = Agpy = 9180 Mcy

Mrx

Mry

   305x305x240 Mcx

      Pz = Agpy = 8110 Mcy

Mrx

Mry

   305x305x198 Mcx

      Pz = Agpy = 6680 Mcy

Mrx

Mry

   305x305x158 Mcx

      Pz = Agpy = 5330 Mcy

Mrx

Mry

   305x305x137 Mcx

      Pz = Agpy = 4610 Mcy

Mrx

Mry

   305x305x118 Mcx

      Pz = Agpy = 3980 Mcy

Mrx

Mry

   305x305x97 Mcx

      Pz = Agpy = 3380 Mcy

Mrx

Mry

Page 80: Steel Section Capacities BS 5950 Spreadsheet

BS 4-1: 1993

UC SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

642 642 642 642 642 642 642 642 642 642 642

n/a 237 237 237 237 237 237 237 237 237 237 237

1 642 627 580 516 449 380 308 235 159 80.5 0

237 237 237 237 237 237 224 182 131 70.1 0

495 495 495 495 495 495 495 495 495 495 495

n/a 183 183 183 183 183 183 183 183 183 183 183

1 495 483 446 395 343 290 235 178 120 60.8 0

183 183 183 183 183 183 174 141 102 54.5 0

393 393 393 393 393 393 393 393 393 393 393

n/a 146 146 146 146 146 146 146 146 146 146 146

1 393 384 355 313 271 228 185 140 94.2 47.6 0

146 146 146 146 146 146 139 113 81.3 43.6 0

324 324 324 324 324 324 324 324 324 324 324

n/a 121 121 121 121 121 121 121 121 121 121 121

1 324 316 292 257 222 187 151 114 76.6 38.6 0

121 121 121 121 121 121 114 93.1 67 35.9 0

273 273 273 273 273 273 273 273 273 273 273

n/a 101 101 101 101 101 101 101 101 101 101 101

1 273 266 245 216 187 157 126 95.5 64.1 32.3 0

101 101 101 101 101 101 96.8 78.9 56.8 30.5 0

259 259 259 259 259 259 259 259 259 259 259

n/a 95.1 95.1 95.1 95.1 95.1 95.1 95.1 95.1 95.1 95.1 95.1

1 259 253 234 208 181 152 123 93.7 63.2 32 0

95.1 95.1 95.1 95.1 95.1 95.1 90.6 73.8 53.1 28.5 0

212 212 212 212 212 212 212 212 212 212 212

n/a 78.2 78.2 78.2 78.2 78.2 78.2 78.2 78.2 78.2 78.2 78.2

1 212 206 190 168 146 123 99.2 75.2 50.6 25.6 0

78.2 78.2 78.2 78.2 78.2 78.2 73.9 60.1 43.2 23.2 0

180 180 180 180 180 180 180 180 180 180 180

n/a 66.3 66.3 66.3 66.3 66.3 66.3 66.3 66.3 66.3 66.3 66.3

1 180 176 163 145 125 105 85 64.3 43.3 21.8 0

66.3 66.3 66.3 66.3 66.3 66.3 63.9 52.1 37.6 20.2 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UC SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   254x254x167 Mcx

      Pz = Agpy = 5640 Mcy

Mrx

Mry

   254x254x132 Mcx

      Pz = Agpy = 4450 Mcy

Mrx

Mry

   254x254x107 Mcx

      Pz = Agpy = 3600 Mcy

Mrx

Mry

   254x254x89 Mcx

      Pz = Agpy = 2990 Mcy

Mrx

Mry

   254x254x73 Mcx

      Pz = Agpy = 2560 Mcy

Mrx

Mry

   203x203x86 Mcx

      Pz = Agpy = 2920 Mcy

Mrx

Mry

   203x203x71 Mcx

      Pz = Agpy = 2400 Mcy

Mrx

Mry

   203x203x60 Mcx

      Pz = Agpy = 2100 Mcy

Mrx

Mry

Page 81: Steel Section Capacities BS 5950 Spreadsheet

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

156 156 156 156 156 156 156 156 156 156 156

n/a 57.4 57.4 57.4 57.4 57.4 57.4 57.4 57.4 57.4 57.4 57.4

1 156 152 141 124 107 90.3 72.8 55.1 37 18.6 0

57.4 57.4 57.4 57.4 57.4 57.4 55.2 45 32.4 17.4 0

137 137 137 137 137 137 137 137 137 137 137

n/a 50.2 50.2 50.2 50.2 50.2 50.2 50.2 50.2 50.2 50.2 50.2

1 137 133 124 109 94.2 79.1 63.7 48.2 32.3 16.3 0

50.2 50.2 50.2 50.2 50.2 50.2 48.5 39.6 28.6 15.4 0

85 85 85 85 85 85 85 85 85 85 85

n/a 30.2 30.2 30.2 30.2 30.2 30.2 30.2 30.2 30.2 30.2 30.2

1 85 83.1 77.3 68.5 59.3 49.9 40.3 30.5 20.6 10.4 0

30.2 30.2 30.2 30.2 30.2 30.2 29.4 24 17.3 9.34 0

68.2 68.2 68.2 68.2 68.2 68.2 68.2 68.2 68.2 68.2 68.2

n/a 24.2 24.2 24.2 24.2 24.2 24.2 24.2 24.2 24.2 24.2 24.2

1 68.2 66.6 62 54.9 47.4 39.8 32.1 24.3 16.3 8.23 0

24.2 24.2 24.2 24.2 24.2 24.2 23.6 19.3 14 7.52 0

48.5 48.5 48.5 48.5 48.5 48.5 48.5 48.5 48.5 48.5 48.5

1 17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.4

0 - - - - - - - - - - -

- - - - - - - - - - -

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   203x203x52 Mcx

      Pz = Agpy = 1820 Mcy

Mrx

Mry

   203x203x46 Mcx

      Pz = Agpy = 1610 Mcy

Mrx

Mry

   152x152x37 Mcx

      Pz = Agpy = 1300 Mcy

Mrx

Mry

   152x152x30 Mcx

      Pz = Agpy = 1050 Mcy

Mrx

Mry

   152x152x23 Mcx

      Pz = Agpy = 803 Mcy

Mrx

Mry

Page 82: Steel Section Capacities BS 5950 Spreadsheet

AXIAL LOAD & BENDING

UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Limit for

2 3 4 5 6 7 8 9 10 11 12 13 14

1 19800 19800 19400 18800 18200 17500 16900 16200 15500 14800 14100 13300 12600

19800 18300 16900 15600 14200 12900 11600 10500 9390 8420 7560 6800 6140

1 3400 3400 3400 3400 3400 3400 3400 3400 3400 3350 3290 3240 3190

3400 3400 3400 3400 3400 3400 3400 3360 3220 3090 2950 2810 2670

1 17200 17200 16800 16300 15700 15100 14600 14000 13300 12700 12000 11400 10700

17200 15900 14700 13500 12300 11100 10000 9010 8080 7240 6490 5840 5260

1 2930 2930 2930 2930 2930 2930 2930 2900 2840 2790 2740 2690 2640

2930 2930 2930 2930 2930 2930 2930 2840 2720 2610 2490 2370 2250

1 15200 15200 14700 14200 13700 13200 12700 12100 11500 10900 10300 9720 9120

15100 13900 12800 11700 10700 9610 8620 7700 6870 6130 5480 4910 4420

1 2550 2550 2550 2550 2550 2550 2490 2430 2370 2320 2280 2230 2180

2550 2550 2550 2550 2550 2550 2510 2410 2310 2210 2100 2000 1890

1 12800 12800 12400 12100 11700 11300 10900 10500 10000 9550 9040 8520 7990

12700 11800 11000 10200 9290 8430 7580 6770 6030 5370 4780 4270 3830

1 2100 2100 2100 2100 2100 2050 2000 1950 1900 1850 1810 1760 1720

2100 2100 2100 2100 2100 2100 2050 1970 1880 1800 1710 1620 1530

1 11000 11000 10700 10400 10100 9750 9390 9010 8600 8170 7720 7260 6790

10900 10200 9480 8740 7990 7230 6490 5800 5150 4580 4080 3640 3260

1 1780 1780 1780 1780 1780 1720 1670 1620 1570 1530 1490 1450 1410

1780 1780 1780 1780 1780 1780 1740 1670 1600 1520 1450 1370 1290

1 9700 9670 9460 9230 8990 8730 8450 8130 7780 7400 7000 6570 6130

9590 9050 8490 7900 7260 6590 5920 5270 4670 4130 3660 3250 2900

1 1540 1540 1540 1540 1500 1440 1390 1350 1300 1260 1220 1190 1150

1540 1540 1540 1540 1540 1540 1490 1430 1360 1300 1230 1160 1100

1 7920 7900 7720 7530 7330 7110 6880 6610 6320 6010 5660 5310 4940

7830 7380 6920 6430 5900 5350 4790 4260 3770 3330 2950 2610 2330

1 1240 1240 1240 1240 1190 1140 1090 1050 1010 969 934 900 869

1240 1240 1240 1240 1240 1240 1200 1150 1090 1040 985 930 876

1 6810 6780 6630 6460 6290 6100 5890 5660 5400 5120 4820 4510 4190

6680 6270 5840 5390 4890 4390 3890 3420 3000 2630 2310 2050 1820

1 1050 1050 1050 1020 973 926 883 842 804 769 736 705 676

1050 1050 1050 1050 1050 1040 993 946 898 849 800 751 703

1 5990 5960 5820 5670 5520 5350 5160 4950 4720 4470 4200 3920 3640

5870 5510 5130 4720 4290 3840 3400 2980 2610 2290 2020 1780 1580

1 916 916 916 882 835 791 750 711 676 643 612 584 558

916 916 916 916 916 902 862 821 778 736 693 650 608

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Page 83: Steel Section Capacities BS 5950 Spreadsheet

AXIAL LOAD & BENDING

UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Limit for

2 3 4 5 6 7 8 9 10 11 12 13 14

1 5170 5140 5020 4890 4750 4610 4440 4260 4060 3840 3610 3360 3120

5060 4750 4420 4060 3690 3300 2910 2560 2240 1960 1730 1520 1350

1 786 786 786 750 707 666 627 592 559 528 500 475 451

786 786 786 786 786 773 738 703 666 629 592 555 519

1 4350 4320 4210 4110 3990 3860 3720 3560 3390 3200 3000 2790 2590

4250 3990 3710 3410 3090 2760 2430 2130 1870 1640 1440 1270 1130

1 600 600 600 576 542 510 479 450 424 399 376 356 337

600 600 600 600 600 589 562 535 507 479 450 422 394

1 9180 9070 8780 8480 8160 7830 7460 7070 6660 6230 5790 5360 4940

8770 8020 7250 6460 5680 4930 4260 3670 3170 2760 2410 2120 1880

1 1300 1300 1300 1290 1250 1210 1170 1130 1100 1070 1030 1010 977

1300 1300 1300 1300 1290 1230 1160 1090 1020 953 885 819 756

1 8110 8010 7800 7580 7340 7070 6770 6430 6060 5660 5250 4830 4430

7780 7200 6570 5890 5180 4480 3850 3300 2830 2450 2130 1870 1640

1 1130 1130 1130 1090 1050 1010 971 936 904 873 843 816 789

1130 1130 1130 1130 1110 1050 990 929 867 805 745 687 632

1 6680 6590 6410 6220 6020 5790 5530 5240 4930 4590 4240 3890 3550

6400 5910 5380 4810 4220 3640 3120 2670 2290 1970 1720 1500 1320

1 912 912 912 866 826 789 755 724 694 667 641 617 594

912 912 912 912 894 846 796 746 695 645 596 548 504

1 5330 5250 5100 4950 4780 4590 4370 4130 3870 3590 3310 3020 2760

5090 4690 4260 3800 3310 2850 2430 2070 1780 1530 1330 1160 1020

1 710 710 697 657 620 587 556 528 502 478 456 435 417

710 710 710 710 692 654 615 575 535 495 456 419 384

1 4610 4540 4410 4270 4120 3950 3760 3550 3320 3070 2820 2570 2340

4400 4050 3680 3270 2850 2440 2080 1770 1520 1310 1130 991 873

1 609 609 591 554 519 488 459 433 409 387 367 349 332

609 609 609 609 592 559 525 490 455 421 387 356 326

1 3980 3910 3800 3680 3550 3400 3230 3050 2840 2630 2410 2200 2000

3790 3490 3160 2800 2440 2090 1780 1510 1290 1110 965 844 743

1 519 519 499 464 433 403 376 352 330 311 293 277 263

519 519 519 519 503 475 445 416 386 356 328 301 275

1 3380 3320 3220 3120 3000 2870 2720 2550 2370 2180 1990 1800 1630

3210 2950 2660 2350 2030 1730 1460 1240 1060 907 786 686 603

1 438 438 413 381 351 323 297 275 255 237 221 208 195

438 438 438 438 421 396 371 345 320 294 270 247 225

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Page 84: Steel Section Capacities BS 5950 Spreadsheet

AXIAL LOAD & BENDING

UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Limit for

1 1.5 2 2.5 3 3.5 4 5 6 7 8 9 10

1 5640 5640 5640 5570 5480 5390 5300 5090 4860 4590 4290 3950 3600

5640 5500 5260 5020 4760 4490 4210 3610 3040 2530 2100 1760 1490

1 642 642 642 642 642 642 632 602 576 551 529 508 488

642 642 642 642 642 642 642 633 593 552 510 468 426

1 4450 4450 4450 4390 4310 4240 4160 3990 3800 3580 3330 3050 2770

4450 4330 4140 3940 3730 3510 3280 2810 2350 1950 1620 1350 1140

1 495 495 495 495 495 490 476 449 425 403 383 365 348

495 495 495 495 495 495 495 485 454 422 389 355 323

1 3600 3600 3600 3540 3480 3420 3360 3210 3050 2860 2650 2420 2180

3600 3500 3340 3180 3000 2820 2640 2240 1870 1550 1280 1070 901

1 393 393 393 393 393 382 369 345 323 303 285 269 254

393 393 393 393 393 393 393 383 358 332 305 279 253

1 2990 2990 2990 2940 2890 2840 2780 2660 2530 2370 2190 1990 1790

2990 2900 2770 2630 2490 2340 2180 1860 1540 1270 1050 879 741

1 324 324 324 324 324 311 299 276 256 238 222 207 194

324 324 324 324 324 324 324 316 295 273 251 229 207

1 2560 2560 2550 2510 2470 2420 2370 2270 2150 2000 1840 1670 1490

2560 2470 2360 2240 2110 1980 1840 1550 1280 1050 866 720 606

1 273 273 273 273 268 256 245 224 204 187 172 159 147

273 273 273 273 273 273 273 263 245 226 207 188 170

1 2920 2920 2870 2810 2750 2690 2610 2450 2260 2050 1810 1580 1380

2890 2740 2580 2410 2220 2030 1840 1460 1160 921 744 611 509

1 259 259 259 259 252 243 235 220 206 194 182 172 163

259 259 259 259 259 259 253 233 211 190 169 149 131

1 2400 2400 2360 2310 2260 2200 2140 2010 1850 1670 1470 1280 1110

2380 2250 2110 1970 1820 1660 1500 1190 941 748 604 496 413

1 212 212 212 212 203 194 187 173 160 149 139 130 122

212 212 212 212 212 212 207 190 172 154 137 121 106

1 2100 2100 2060 2020 1970 1920 1860 1740 1590 1420 1240 1070 921

2080 1960 1840 1710 1570 1430 1280 1010 786 622 500 409 340

1 180 180 180 177 169 161 153 139 127 117 108 100 93.1

180 180 180 180 180 180 174 159 144 128 113 98.8 86.4

AXIAL LOAD & BENDING

UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Page 85: Steel Section Capacities BS 5950 Spreadsheet

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Limit for

1 1.5 2 2.5 3 3.5 4 5 6 7 8 9 10

1 1820 1820 1790 1750 1710 1660 1620 1510 1370 1220 1070 921 792

1800 1700 1590 1480 1360 1230 1110 868 678 536 431 353 293

1 156 156 156 152 144 137 130 117 106 96 87.9 80.9 74.9

156 156 156 156 156 156 150 137 124 110 97.1 85 74.3

1 1610 1610 1580 1550 1510 1470 1430 1330 1210 1070 934 804 691

1590 1500 1410 1310 1200 1080 970 760 592 467 375 307 255

1 137 137 137 132 125 118 111 99.1 88.7 79.8 72.5 66.3 61

137 137 137 137 137 137 131 120 108 95.8 84.2 73.6 64.3

1 1300 1270 1240 1200 1150 1110 1050 923 779 644 530 439 367

1230 1130 1020 904 782 667 565 409 304 234 184 149 123

1 85 85 82.3 77.2 72.6 68.3 64.4 57.6 51.9 47.1 43 39.6 36.6

85 85 85 85 81.8 77.1 72.3 62.3 52.7 44.1 36.9 31 26.3

1 1050 1030 1000 972 936 896 850 743 625 514 422 349 292

999 918 828 730 630 536 453 327 243 187 147 119 98

1 68.2 68.2 65 60.4 56.2 52.3 48.8 42.7 37.8 33.8 30.6 27.9 25.6

68.2 68.2 68.2 68.2 65.4 61.6 57.7 49.6 41.8 34.9 29.1 24.5 20.8

1 803 786 762 737 708 675 638 551 458 374 306 252 210

758 693 621 543 465 392 330 236 175 134 105 85.1 70.1

1 45.1 45.1 42.9 39.7 36.6 33.7 31.1 26.7 23.2 20.5 18.3 16.6 15.1

45.1 45.1 45.1 45.1 42.7 40.1 37.4 31.9 26.6 22.1 18.3 15.4 13

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Pcx

Pcy

Mb

Mbs

Page 86: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UC SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

4520 4520 4520 4520 4520 4520 4520 4520 4520 4520 4520

n/a 1810 1810 1810 1810 1810 1810 1810 1810 1810 1810 1810

1 4520 4520 4180 3750 3290 2800 2290 1760 1200 611 0

1810 1810 1810 1810 1810 1810 1680 1360 976 522 0

3890 3890 3890 3890 3890 3890 3890 3890 3890 3890 3890

n/a 1540 1540 1540 1540 1540 1540 1540 1540 1540 1540 1540

1 3890 3830 3550 3170 2770 2360 1930 1470 1000 510 0

1540 1540 1540 1540 1540 1540 1440 1170 836 448 0

3350 3350 3350 3350 3350 3350 3350 3350 3350 3350 3350

n/a 1320 1320 1320 1320 1320 1320 1320 1320 1320 1320 1320

1 3350 3270 3020 2690 2350 2000 1630 1240 841 428 0

1320 1320 1320 1320 1320 1320 1230 1000 719 385 0

2750 2750 2750 2750 2750 2750 2750 2750 2750 2750 2750

n/a 1090 1090 1090 1090 1090 1090 1090 1090 1090 1090 1090

1 2750 2690 2480 2210 1920 1630 1320 1010 683 346 0

1090 1090 1090 1090 1090 1090 1020 832 598 320 0

2340 2340 2340 2340 2340 2340 2340 2340 2340 2340 2340

n/a 935 935 935 935 935 935 935 935 935 935 935

1 2340 2290 2110 1870 1630 1380 1120 849 574 291 0

935 935 935 935 935 935 876 712 511 274 0

2010 2010 2010 2010 2010 2010 2010 2010 2010 2010 2010

n/a 803 803 803 803 803 803 803 803 803 803 803

1 2010 1950 1800 1600 1390 1170 948 719 485 246 0

803 803 803 803 803 803 754 613 441 236 0

1620 1620 1620 1620 1620 1620 1620 1620 1620 1620 1620

n/a 650 650 650 650 650 650 650 650 650 650 650

1 1620 1580 1450 1280 1110 934 755 572 385 195 0

650 650 650 650 650 650 610 496 356 191 0

1370 1370 1370 1370 1370 1370 1370 1370 1370 1370 1370

n/a 523 523 523 523 523 523 523 523 523 523 523

1 1370 1340 1230 1090 942 792 640 485 326 165 0

523 523 523 523 523 523 496 403 290 156 0

1190 1190 1190 1190 1190 1190 1190 1190 1190 1190 1190

n/a 456 456 456 456 456 456 456 456 456 456 456

1 1190 1160 1070 947 819 688 555 420 282 142 0

456 456 456 456 456 456 433 352 253 136 0

BS 5950-1: 2000 AXIAL LOAD & BENDING

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   356x406x634 # Mcx

      Pz = Agpy = 26300 Mcy

Mrx

Mry

   356x406x551 # Mcx

      Pz = Agpy = 22800 Mcy

Mrx

Mry

   356x406x467 # Mcx

      Pz = Agpy = 19900 Mcy

Mrx

Mry

   356x406x393 # Mcx

      Pz = Agpy = 16800 Mcy

Mrx

Mry

   356x406x340 # Mcx

      Pz = Agpy = 14500 Mcy

Mrx

Mry

   356x406x287 # Mcx

      Pz = Agpy = 12600 Mcy

Mrx

Mry

   356x406x235 # Mcx

      Pz = Agpy = 10300 Mcy

Mrx

Mry

   356x368x202 # Mcx

      Pz = Agpy = 8870 Mcy

Mrx

Mry

   356x368x177 # Mcx

      Pz = Agpy = 7800 Mcy

Mrx

Mry

Page 87: Steel Section Capacities BS 5950 Spreadsheet

BS 4-1: 1993

UC SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020

1 392 392 392 392 392 392 392 392 392 392 392

0 - - - - - - - - - - -

- - - - - - - - - - -

821 821 821 821 821 821 821 821 821 821 821

1 328 328 328 328 328 328 328 328 328 328 328

0 - - - - - - - - - - -

- - - - - - - - - - -

1710 1710 1710 1710 1710 1710 1710 1710 1710 1710 1710

n/a 615 615 615 615 615 615 615 615 615 615 615

1 1710 1670 1550 1380 1200 1020 827 631 427 217 0

615 615 615 615 615 615 580 472 339 182 0

1470 1470 1470 1470 1470 1470 1470 1470 1470 1470 1470

n/a 528 528 528 528 528 528 528 528 528 528 528

1 1470 1430 1320 1180 1030 867 704 535 362 184 0

528 528 528 528 528 528 501 408 293 157 0

1190 1190 1190 1190 1190 1190 1190 1190 1190 1190 1190

n/a 429 429 429 429 429 429 429 429 429 429 429

1 1190 1160 1070 949 824 695 563 428 289 146 0

429 429 429 429 429 429 407 332 239 128 0

925 925 925 925 925 925 925 925 925 925 925

n/a 335 335 335 335 335 335 335 335 335 335 335

1 925 903 836 739 640 539 436 330 222 112 0

335 335 335 335 335 335 320 261 188 101 0

792 792 792 792 792 792 792 792 792 792 792

n/a 286 286 286 286 286 286 286 286 286 286 286

1 792 774 717 632 547 460 371 281 189 95.4 0

286 286 286 286 286 286 275 224 162 86.8 0

676 676 676 676 676 676 676 676 676 676 676

n/a 244 244 244 244 244 244 244 244 244 244 244

1 676 659 611 539 466 391 315 238 160 80.7 0

244 244 244 244 244 244 235 192 138 74.4 0

548 548 548 548 548 548 548 548 548 548 548

1 204 204 204 204 204 204 204 204 204 204 204

0 - - - - - - - - - - -

- - - - - - - - - - -

BS 5950-1: 2000 AXIAL LOAD & BENDING

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   356x368x153 # Mcx

      Pz = Agpy = 6730 Mcy

Mrx

Mry

   356x368x129 # Mcx

      Pz = Agpy = 5660 Mcy

Mrx

Mry

   305x305x283 Mcx

      Pz = Agpy = 12100 Mcy

Mrx

Mry

   305x305x240 Mcx

      Pz = Agpy = 10600 Mcy

Mrx

Mry

   305x305x198 Mcx

      Pz = Agpy = 8690 Mcy

Mrx

Mry

   305x305x158 Mcx

      Pz = Agpy = 6930 Mcy

Mrx

Mry

   305x305x137 Mcx

      Pz = Agpy = 6000 Mcy

Mrx

Mry

   305x305x118 Mcx

      Pz = Agpy = 5180 Mcy

Mrx

Mry

   305x305x97 Mcx

      Pz = Agpy = 4370 Mcy

Mrx

Mry

Page 88: Steel Section Capacities BS 5950 Spreadsheet

BS 4-1: 1993

UC SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

836 836 836 836 836 836 836 836 836 836 836

n/a 308 308 308 308 308 308 308 308 308 308 308

1 836 816 755 671 584 494 401 305 207 105 0

308 308 308 308 308 308 291 237 170 91.3 0

645 645 645 645 645 645 645 645 645 645 645

n/a 238 238 238 238 238 238 238 238 238 238 238

1 645 629 581 515 447 377 305 232 156 79.1 0

238 238 238 238 238 238 226 184 132 70.9 0

512 512 512 512 512 512 512 512 512 512 512

n/a 190 190 190 190 190 190 190 190 190 190 190

1 512 500 462 408 353 297 240 182 123 62 0

190 190 190 190 190 190 181 147 106 56.8 0

422 422 422 422 422 422 422 422 422 422 422

n/a 157 157 157 157 157 157 157 157 157 157 157

1 422 412 380 334 289 243 196 148 99.8 50.3 0

157 157 157 157 157 157 149 121 87.2 46.8 0

350 350 350 350 350 350 350 350 350 350 350

1 131 131 131 131 131 131 131 131 131 131 131

0 - - - - - - - - - - -

- - - - - - - - - - -

337 337 337 337 337 337 337 337 337 337 337

n/a 124 124 124 124 124 124 124 124 124 124 124

1 337 329 304 271 235 198 161 122 82.3 41.7 0

124 124 124 124 124 124 118 96.1 69.2 37.1 0

276 276 276 276 276 276 276 276 276 276 276

n/a 102 102 102 102 102 102 102 102 102 102 102

1 276 269 247 219 190 160 129 97.9 65.9 33.3 0

102 102 102 102 102 102 96.1 78.2 56.2 30.1 0

233 233 233 233 233 233 233 233 233 233 233

n/a 85.6 85.6 85.6 85.6 85.6 85.6 85.6 85.6 85.6 85.6 85.6

1 233 227 211 187 161 136 110 83 55.8 28.2 0

85.6 85.6 85.6 85.6 85.6 85.6 82.4 67.3 48.5 26.1 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UC SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   254x254x167 Mcx

      Pz = Agpy = 7350 Mcy

Mrx

Mry

   254x254x132 Mcx

      Pz = Agpy = 5800 Mcy

Mrx

Mry

   254x254x107 Mcx

      Pz = Agpy = 4690 Mcy

Mrx

Mry

   254x254x89 Mcx

      Pz = Agpy = 3900 Mcy

Mrx

Mry

   254x254x73 Mcx

      Pz = Agpy = 3310 Mcy

Mrx

Mry

   203x203x86 Mcx

      Pz = Agpy = 3800 Mcy

Mrx

Mry

   203x203x71 Mcx

      Pz = Agpy = 3120 Mcy

Mrx

Mry

   203x203x60 Mcx

      Pz = Agpy = 2710 Mcy

Mrx

Mry

Page 89: Steel Section Capacities BS 5950 Spreadsheet

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

201 201 201 201 201 201 201 201 201 201 201

n/a 74.1 74.1 74.1 74.1 74.1 74.1 74.1 74.1 74.1 74.1 74.1

1 201 196 182 161 139 117 94 71.1 47.8 24.1 0

74.1 74.1 74.1 74.1 74.1 74.1 71.2 58.1 41.8 22.5 0

174 174 174 174 174 174 174 174 174 174 174

1 64.8 64.8 64.8 64.8 64.8 64.8 64.8 64.8 64.8 64.8 64.8

0 - - - - - - - - - - -

- - - - - - - - - - -

110 110 110 110 110 110 110 110 110 110 110

n/a 39 39 39 39 39 39 39 39 39 39 39

1 110 107 99.9 88.4 76.6 64.4 52.1 39.4 26.5 13.4 0

39 39 39 39 39 39 37.9 31 22.4 12.1 0

88 88 88 88 88 88 88 88 88 88 88

n/a 31.2 31.2 31.2 31.2 31.2 31.2 31.2 31.2 31.2 31.2 31.2

1 88 86 80 70.8 61.2 51.4 41.5 31.4 21.1 10.6 0

31.2 31.2 31.2 31.2 31.2 31.2 30.5 25 18 9.7 0

60.5 60.5 60.5 60.5 60.5 60.5 60.5 60.5 60.5 60.5 60.5

1 22.2 22.2 22.2 22.2 22.2 22.2 22.2 22.2 22.2 22.2 22.2

0 - - - - - - - - - - -

- - - - - - - - - - -

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   203x203x52 Mcx

      Pz = Agpy = 2350 Mcy

Mrx

Mry

   203x203x46 Mcx

      Pz = Agpy = 2080 Mcy

Mrx

Mry

   152x152x37 Mcx

      Pz = Agpy = 1670 Mcy

Mrx

Mry

   152x152x30 Mcx

      Pz = Agpy = 1360 Mcy

Mrx

Mry

   152x152x23 Mcx

      Pz = Agpy = 1040 Mcy

Mrx

Mry

Page 90: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

(kN) 2 3 4 5 6 7 8 9 10 11

1 26300 26200 25400 24500 23700 22800 21800 20800 19700 18600

25700 23800 21900 19900 18000 16100 14200 12600 11100 9800

1 4520 4520 4520 4520 4520 4520 4510 4420 4330 4250

4520 4520 4520 4520 4520 4520 4440 4260 4070 3870

1 22800 22700 22000 21200 20500 19700 18800 17900 16900 16000

22300 20600 18900 17200 15500 13800 12300 10800 9530 8410

1 3890 3890 3890 3890 3890 3860 3770 3690 3610 3530

3890 3890 3890 3890 3890 3890 3760 3600 3440 3270

1 19900 19700 19100 18400 17700 17000 16200 15400 14500 13600

19400 17900 16400 14900 13300 11800 10400 9130 8010 7040

1 3350 3350 3350 3350 3310 3220 3130 3060 2980 2910

3350 3350 3350 3350 3350 3300 3170 3030 2890 2740

1 16800 16600 16200 15700 15200 14600 14000 13300 12600 11800

16400 15300 14100 12900 11600 10300 9110 7970 6970 6100

1 2750 2750 2750 2750 2670 2590 2510 2440 2370 2310

2750 2750 2750 2750 2750 2700 2590 2470 2350 2230

1 14500 14300 13900 13500 13100 12600 12000 11400 10800 10100

14100 13200 12200 11100 9980 8870 7790 6810 5940 5200

1 2340 2340 2340 2330 2240 2160 2090 2020 1960 1900

2340 2340 2340 2340 2340 2290 2200 2100 1990 1890

1 12600 12500 12200 11900 11600 11200 10700 10200 9680 9060

12300 11600 10800 9960 9010 8000 7010 6100 5300 4610

1 2010 2010 2010 1960 1880 1800 1730 1670 1600 1540

2010 2010 2010 2010 2010 1950 1860 1780 1690 1590

1 10300 10200 9960 9700 9420 9100 8730 8320 7850 7330

10100 9470 8820 8100 7310 6480 5670 4920 4270 3710

1 1620 1620 1620 1550 1480 1410 1350 1290 1230 1170

1620 1620 1620 1620 1620 1570 1500 1430 1350 1280

1 8870 8760 8550 8320 8080 7790 7470 7110 6690 6240

8590 8040 7430 6760 6020 5260 4540 3910 3360 2910

1 1370 1370 1360 1280 1210 1150 1080 1020 971 920

1370 1370 1370 1370 1360 1300 1240 1170 1110 1040

1 7800 7700 7510 7310 7080 6830 6540 6210 5840 5430

7540 7060 6520 5920 5270 4600 3970 3410 2930 2530

1 1190 1190 1170 1100 1040 976 917 862 811 764

1190 1190 1190 1190 1180 1130 1080 1020 958 896

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   356x406x634 # Pcx

      Pz = Agpy = 26300 Pcy

      pyZx = 3760 Mb

      pyZy = 1500 Mbs

   356x406x551 # Pcx

      Pz = Agpy = 22800 Pcy

      pyZx = 3240 Mb

      pyZy = 1280 Mbs

   356x406x467 # Pcx

      Pz = Agpy = 19900 Pcy

      pyZx = 2810 Mb

      pyZy = 1100 Mbs

   356x406x393 # Pcx

      Pz = Agpy = 16800 Pcy

      pyZx = 2340 Mb

      pyZy = 912 Mbs

   356x406x340 # Pcx

      Pz = Agpy = 14500 Pcy

      pyZx = 2020 Mb

      pyZy = 779 Mbs

   356x406x287 # Pcx

      Pz = Agpy = 12600 Pcy

      pyZx = 1750 Mb

      pyZy = 669 Mbs

   356x406x235 # Pcx

      Pz = Agpy = 10300 Pcy

      pyZx = 1430 Mb

      pyZy = 542 Mbs

   356x368x202 # Pcx

      Pz = Agpy = 8870 Pcy

      pyZx = 1220 Mb

      pyZy = 436 Mbs

   356x368x177 # Pcx

      Pz = Agpy = 7800 Pcy

      pyZx = 1070 Mb

      pyZy = 380 Mbs

Page 91: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

(kN) 2 3 4 5 6 7 8 9 10 11

1 6730 6640 6470 6300 6100 5880 5630 5340 5010 4660

6510 6080 5620 5100 4530 3950 3400 2920 2510 2170

1 926 926 918 865 814 764 717 673 632 594

926 926 926 926 918 877 834 788 742 694

1 5660 5580 5440 5290 5120 4930 4710 4460 4180 3870

5470 5110 4710 4270 3790 3300 2840 2430 2090 1800

1 781 781 769 721 673 627 583 542 504 469

781 781 781 781 773 738 701 663 623 582

1 12100 11800 11400 11000 10500 10000 9460 8840 8190 7520

11300 10300 9200 8030 6880 5820 4900 4150 3530 3030

1 1710 1710 1710 1640 1570 1510 1460 1410 1360 1310

1710 1710 1710 1710 1640 1540 1450 1350 1250 1150

1 10600 10300 10100 9750 9400 8990 8510 7970 7370 6740

10000 9200 8290 7260 6200 5210 4360 3660 3100 2650

1 1470 1470 1440 1370 1310 1250 1200 1150 1100 1060

1470 1470 1470 1460 1390 1310 1220 1140 1050 961

1 8690 8510 8270 8000 7700 7350 6940 6470 5960 5430

8210 7540 6780 5920 5040 4220 3520 2960 2500 2130

1 1190 1190 1140 1080 1030 974 925 880 838 798

1190 1190 1190 1180 1120 1050 984 912 839 767

1 6930 6770 6580 6360 6110 5820 5470 5090 4660 4230

6530 5990 5360 4660 3950 3290 2740 2290 1940 1650

1 925 925 874 818 767 719 675 634 597 564

925 925 925 917 867 814 759 702 644 587

1 6000 5860 5680 5490 5270 5010 4700 4360 3980 3600

5650 5170 4620 4010 3380 2820 2340 1960 1650 1410

1 792 792 740 688 639 594 553 515 482 452

792 792 792 784 740 695 647 597 547 499

1 5180 5050 4890 4730 4530 4300 4040 3730 3410 3080

4860 4450 3970 3430 2890 2400 2000 1670 1410 1200

1 676 674 624 576 530 488 450 416 386 359

676 676 676 667 629 590 549 506 463 422

1 4370 4250 4120 3970 3800 3600 3360 3090 2800 2520

4090 3730 3310 2850 2390 1970 1630 1360 1140 971

1 513 513 474 436 399 365 334 306 281 260

513 513 513 503 474 444 411 378 345 313

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   356x368x153 # Pcx

      Pz = Agpy = 6730 Pcy

      pyZx = 926 Mb

      pyZy = 327 Mbs

   356x368x129 # Pcx

      Pz = Agpy = 5660 Pcy

      pyZx = 781 Mb

      pyZy = 274 Mbs

   305x305x283 Pcx

      Pz = Agpy = 12100 Pcy

      pyZx = 1450 Mb

      pyZy = 512 Mbs

   305x305x240 Pcx

      Pz = Agpy = 10600 Pcy

      pyZx = 1260 Mb

      pyZy = 440 Mbs

   305x305x198 Pcx

      Pz = Agpy = 8690 Pcy

      pyZx = 1030 Mb

      pyZy = 358 Mbs

   305x305x158 Pcx

      Pz = Agpy = 6930 Pcy

      pyZx = 817 Mb

      pyZy = 279 Mbs

   305x305x137 Pcx

      Pz = Agpy = 6000 Pcy

      pyZx = 707 Mb

      pyZy = 239 Mbs

   305x305x118 Pcx

      Pz = Agpy = 5180 Pcy

      pyZx = 607 Mb

      pyZy = 203 Mbs

   305x305x97 Pcx

      Pz = Agpy = 4370 Pcy

      pyZx = 513 Mb

      pyZy = 170 Mbs

Page 92: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7

1 7350 7350 7310 7190 7070 6950 6820 6520 6160 5730

7350 7070 6750 6410 6040 5640 5210 4330 3510 2840

1 836 836 836 836 836 815 792 751 714 679

836 836 836 836 836 836 836 793 738 680

1 5800 5800 5760 5660 5570 5460 5350 5110 4810 4450

5800 5560 5300 5030 4730 4410 4060 3350 2710 2180

1 645 645 645 645 636 615 595 558 524 493

645 645 645 645 645 645 645 608 565 519

1 4690 4690 4650 4570 4490 4410 4310 4100 3850 3550

4690 4490 4280 4050 3810 3540 3250 2670 2150 1730

1 512 512 512 512 498 479 460 426 395 367

512 512 512 512 512 512 512 480 445 408

1 3900 3900 3860 3800 3730 3660 3580 3400 3190 2930

3900 3730 3550 3360 3150 2930 2690 2210 1770 1420

1 422 422 422 422 406 389 372 340 311 285

422 422 422 422 422 422 422 395 366 335

1 3310 3310 3270 3210 3150 3090 3020 2870 2680 2450

3300 3150 3000 2830 2650 2460 2250 1830 1460 1170

1 319 319 319 319 307 293 280 254 231 210

319 319 319 319 319 319 317 296 273 249

1 3800 3780 3710 3630 3540 3450 3340 3090 2790 2440

3720 3510 3290 3040 2770 2480 2190 1670 1280 1000

1 337 337 337 330 316 304 292 270 250 233

337 337 337 337 337 331 317 289 258 227

1 3120 3110 3040 2980 2910 2830 2740 2530 2270 1980

3060 2880 2700 2490 2270 2030 1790 1360 1040 812

1 276 276 276 266 254 242 231 211 193 177

276 276 276 276 276 270 259 235 210 185

1 2710 2700 2640 2580 2510 2440 2360 2170 1920 1660

2650 2490 2330 2140 1940 1720 1500 1140 862 669

1 233 233 233 221 209 198 187 168 151 136

233 233 233 233 233 226 216 196 174 151

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   254x254x167 Pcx

      Pz = Agpy = 7350 Pcy

      pyZx = 716 Mb

      pyZy = 257 Mbs

   254x254x132 Pcx

      Pz = Agpy = 5800 Pcy

      pyZx = 563 Mb

      pyZy = 199 Mbs

   254x254x107 Pcx

      Pz = Agpy = 4690 Pcy

      pyZx = 453 Mb

      pyZy = 158 Mbs

   254x254x89 Pcx

      Pz = Agpy = 3900 Pcy

      pyZx = 378 Mb

      pyZy = 131 Mbs

   254x254x73 Pcx

      Pz = Agpy = 3310 Pcy

      pyZx = 319 Mb

      pyZy = 109 Mbs

   203x203x86 Pcx

      Pz = Agpy = 3800 Pcy

      pyZx = 293 Mb

      pyZy = 103 Mbs

   203x203x71 Pcx

      Pz = Agpy = 3120 Pcy

      pyZx = 244 Mb

      pyZy = 84.9 Mbs

   203x203x60 Pcx

      Pz = Agpy = 2710 Pcy

      pyZx = 207 Mb

      pyZy = 71.4 Mbs

Page 93: Steel Section Capacities BS 5950 Spreadsheet

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7

1 2350 2340 2290 2240 2180 2120 2050 1870 1660 1430

2300 2160 2020 1850 1670 1490 1300 980 744 577

1 201 201 200 189 178 168 158 140 124 111

201 201 201 201 201 195 187 169 150 130

1 2080 2070 2020 1980 1930 1870 1810 1650 1460 1250

2030 1910 1780 1630 1470 1300 1140 856 648 503

1 160 160 160 152 143 135 127 112 98.9 88.2

160 160 160 160 160 154 148 133 118 102

1 1670 1630 1580 1530 1460 1390 1300 1100 886 708

1570 1430 1270 1100 920 761 630 442 323 246

1 110 110 102 95.3 88.8 82.7 77.2 67.6 59.8 53.5

110 110 110 108 102 95.2 88.4 74.2 60.9 49.7

1 1360 1320 1280 1240 1190 1120 1050 880 708 564

1270 1160 1030 884 739 611 504 353 258 196

1 88 87.3 80.7 74.4 68.4 62.8 57.8 49.4 43 37.9

88 88 88 86.2 81.3 76 70.4 59 48.3 39.3

1 1040 1010 974 938 895 844 785 648 516 408

965 875 770 654 542 444 365 254 185 140

1 58.2 57.9 53.3 48.7 44.4 40.3 36.6 30.6 26.1 22.8

58.2 58.2 58.2 56.5 53 49.4 45.5 37.7 30.6 24.7

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   203x203x52 Pcx

      Pz = Agpy = 2350 Pcy

      pyZx = 181 Mb

      pyZy = 61.8 Mbs

   203x203x46 Pcx

      Pz = Agpy = 2080 Pcy

      pyZx = 160 Mb

      pyZy = 54 Mbs

   152x152x37 Pcx

      Pz = Agpy = 1670 Pcy

      pyZx = 96.9 Mb

      pyZy = 32.5 Mbs

   152x152x30 Pcx

      Pz = Agpy = 1360 Pcy

      pyZx = 78.8 Mb

      pyZy = 26 Mbs

   152x152x23 Pcx

      Pz = Agpy = 1040 Pcy

      pyZx = 58.2 Mb

      pyZy = 18.7 Mbs

Page 94: Steel Section Capacities BS 5950 Spreadsheet

for

12 13 14

17500 16400 15300

8680 7720 6890

4170 4100 4020

3680 3470 3270

15000 13900 13000

7440 6610 5900

3460 3390 3320

3100 2930 2750

12600 11700 10800

6220 5510 4910

2840 2770 2710

2590 2440 2290

11000 10200 9440

5360 4730 4200

2240 2180 2120

2100 1970 1850

9390 8680 7990

4570 4030 3580

1840 1780 1730

1780 1670 1560

8400 7740 7090

4030 3540 3130

1490 1430 1380

1500 1400 1310

6780 6230 5700

3240 2850 2520

1120 1080 1030

1200 1120 1040

5760 5280 4820

2530 2210 1950

874 831 791

965 895 828

5000 4580 4170

2200 1930 1700

721 683 647

835 774 715

(kN) and Buckling Resistance Moment Mb, Mbs (kNm)

(m) within the limiting value of F/Pz

Page 95: Steel Section Capacities BS 5950 Spreadsheet

for

12 13 14

4290 3920 3570

1880 1650 1450

560 529 500

645 598 552

3560 3250 2950

1570 1370 1210

439 411 386

541 501 463

6860 6230 5640

2630 2290 2020

1270 1220 1180

1050 960 875

6110 5510 4960

2280 1990 1740

1010 975 938

876 797 724

4900 4410 3960

1840 1600 1400

762 728 696

699 635 576

3810 3410 3060

1420 1230 1080

533 506 480

533 484 438

3230 2900 2590

1210 1050 922

425 401 379

452 410 371

2760 2470 2210

1030 895 784

336 315 297

382 346 313

2250 2000 1790

835 724 634

242 226 212

283 255 230

(kN) and Buckling Resistance Moment Mb, Mbs (kNm)

(m) within the limiting value of F/Pz

Page 96: Steel Section Capacities BS 5950 Spreadsheet

for

8 9 10

5240 4700 4170

2320 1910 1600

647 617 589

620 560 502

4050 3610 3190

1780 1460 1220

464 438 414

471 424 379

3200 2840 2490

1400 1150 963

341 318 298

370 332 296

2640 2340 2050

1150 949 792

262 242 225

303 272 242

2200 1930 1690

942 773 644

191 175 161

225 201 178

2090 1770 1510

797 648 536

217 203 190

198 171 148

1690 1430 1220

646 525 434

163 151 141

160 138 120

1400 1180 997

532 431 356

124 114 105

131 112 96.6

(kN) and Buckling Resistance Moment Mb, Mbs (kNm)

(m) within the limiting value of F/Pz

Page 97: Steel Section Capacities BS 5950 Spreadsheet

for

8 9 10

1210 1010 857

458 372 307

100 91.2 83.7

112 96.5 83

1050 885 747

399 323 267

79.4 72.1 66

88.1 75.6 64.9

570 465 386

192 155 127

48.4 44.1 40.5

40.8 33.8 28.4

453 370 306

154 123 101

33.9 30.7 28

32.2 26.7 22.4

327 266 220

110 88.2 72.4

20.2 18.1 16.4

20.2 16.7 14

(kN) and Buckling Resistance Moment Mb, Mbs (kNm)

(m) within the limiting value of F/Pz

Page 98: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UNIVERSAL BEARING PILES SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

844 844 844 844 844 844 844 844 844 844 844

- 310 310 310 310 310 310 310 310 310 310 310

1 844 828 781 699 604 508 410 310 208 105 0

310 310 310 310 310 310 310 261 190 103 0

726 726 726 726 726 726 726 726 726 726 726

1 269 269 269 269 269 269 269 269 269 269 269

0 - - - - - - - - - - -

- - - - - - - - - - -

629 629 629 629 629 629 629 629 629 629 629

1 242 242 242 242 242 242 242 242 242 242 242

0 - - - - - - - - - - -

- - - - - - - - - - -

491 491 491 491 491 491 491 491 491 491 491

1 170 170 170 170 170 170 170 170 170 170 170

0 - - - - - - - - - - -

- - - - - - - - - - -

968 968 968 968 968 968 968 968 968 968 968

- 343 343 343 343 343 343 343 343 343 343 343

1 968 950 898 810 704 595 482 367 248 126 0

343 343 343 343 343 343 343 289 210 114 0

796 796 796 796 796 796 796 796 796 796 796

- 280 280 280 280 280 280 280 280 280 280 280

1 796 781 737 665 577 486 394 299 202 102 0

280 280 280 280 280 280 280 237 172 93.5 0

628 628 628 628 628 628 628 628 628 628 628

- 220 220 220 220 220 220 220 220 220 220 220

1 628 616 582 524 454 382 309 234 157 79.4 0

220 220 220 220 220 220 220 187 136 73.8 0

526 526 526 526 526 526 526 526 526 526 526

- 183 183 183 183 183 183 183 183 183 183 183

1 526 516 487 438 380 319 258 195 131 66.1 0

183 183 183 183 183 183 183 156 114 61.9 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UNIVERSAL BEARING PILES SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   356x368x174 Mcx

      Pz = Agpy = 5860 Mcy

Mrx

Mry

   356x368x152 Mcx

      Pz = Agpy = 5140 Mcy

Mrx

Mry

   356x368x133 Mcx

      Pz = Agpy = 4650 Mcy

Mrx

Mry

   356x368x109 Mcx

      Pz = Agpy = 3820 Mcy

Mrx

Mry

   305x305x223 Mcx

      Pz = Agpy = 7530 Mcy

Mrx

Mry

   305x305x186 Mcx

      Pz = Agpy = 6280 Mcy

Mrx

Mry

   305x305x149 Mcx

      Pz = Agpy = 5040 Mcy

Mrx

Mry

   305x305x126 Mcx

      Pz = Agpy = 4270 Mcy

Mrx

Mry

Page 99: Steel Section Capacities BS 5950 Spreadsheet

CROSS-SECTION CAPACITY CHECK

CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

472 472 472 472 472 472 472 472 472 472 472

1 164 164 164 164 164 164 164 164 164 164 164

0 - - - - - - - - - - -

- - - - - - - - - - -

388 388 388 388 388 388 388 388 388 388 388

1 140 140 140 140 140 140 140 140 140 140 140

0 - - - - - - - - - - -

- - - - - - - - - - -

351 351 351 351 351 351 351 351 351 351 351

1 128 128 128 128 128 128 128 128 128 128 128

0 - - - - - - - - - - -

- - - - - - - - - - -

308 308 308 308 308 308 308 308 308 308 308

1 104 104 104 104 104 104 104 104 104 104 104

0 - - - - - - - - - - -

- - - - - - - - - - -

300 300 300 300 300 300 300 300 300 300 300

- 107 107 107 107 107 107 107 107 107 107 107

1 300 295 278 250 215 181 146 111 74.3 37.5 0

107 107 107 107 107 107 107 90.8 66.1 35.9 0

243 243 243 243 243 243 243 243 243 243 243

1 88.1 88.1 88.1 88.1 88.1 88.1 88.1 88.1 88.1 88.1 88.1

0 - - - - - - - - - - -

- - - - - - - - - - -

208 208 208 208 208 208 208 208 208 208 208

1 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6

0 - - - - - - - - - - -

- - - - - - - - - - -

153 153 153 153 153 153 153 153 153 153 153

- 54.1 54.1 54.1 54.1 54.1 54.1 54.1 54.1 54.1 54.1 54.1

1 153 150 142 127 110 92.4 74.6 56.4 37.9 19.1 0

54.1 54.1 54.1 54.1 54.1 54.1 54.1 46.1 33.5 18.2 0

123 123 123 123 123 123 123 123 123 123 123

1 44.2 44.2 44.2 44.2 44.2 44.2 44.2 44.2 44.2 44.2 44.2

0 - - - - - - - - - - -

- - - - - - - - - - -

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   305x305x110 Mcx

      Pz = Agpy = 3850 Mcy

Mrx

Mry

   305x305x95 Mcx

      Pz = Agpy = 3330 Mcy

Mrx

Mry

   305x305x88 Mcx

      Pz = Agpy = 3080 Mcy

Mrx

Mry

   305x305x79 Mcx

      Pz = Agpy = 2750 Mcy

Mrx

Mry

   254x254x85 Mcx

      Pz = Agpy = 2970 Mcy

Mrx

Mry

   254x254x71 Mcx

      Pz = Agpy = 2490 Mcy

Mrx

Mry

   254x254x63 Mcx

      Pz = Agpy = 2210 Mcy

Mrx

Mry

   203x203x54 Mcx

      Pz = Agpy = 1890 Mcy

Mrx

Mry

   203x203x45 Mcx

      Pz = Agpy = 1570 Mcy

Mrx

Mry

Page 100: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Limit for

Capacities

(kN, kNm) 2 3 4 5 6 7 8 9 10 11 12 13

1 5860 5810 5660 5510 5350 5170 4970 4750 4510 4240 3960 3670

5710 5340 4950 4520 4070 3610 3170 2770 2410 2100 1840 1620

1 844 844 844 808 764 722 683 647 613 582 554 528

844 844 844 844 844 820 781 741 700 659 617 577

1 5140 5100 4970 4840 4690 4530 4360 4160 3940 3700 3450 3200

5010 4680 4330 3950 3560 3150 2760 2400 2090 1820 1600 1410

1 654 654 654 633 598 565 535 506 479 455 432 411

654 654 654 654 654 634 603 572 540 507 475 443

1 4650 4600 4480 4360 4230 4080 3910 3730 3520 3300 3070 2830

4510 4210 3890 3540 3170 2800 2440 2110 1830 1590 1390 1220

1 593 593 593 565 531 499 468 440 413 389 367 346

593 593 593 593 593 570 542 513 484 454 424 395

1 3820 3780 3680 3580 3470 3350 3210 3060 2880 2700 2510 2310

3710 3460 3190 2900 2590 2280 1980 1720 1490 1290 1130 991

1 486 486 486 458 427 398 370 344 320 298 278 261

486 486 486 486 486 466 443 419 394 369 345 320

1 7530 7400 7190 6960 6720 6440 6120 5770 5380 4980 4560 4160

7180 6620 6010 5350 4670 4010 3420 2910 2500 2150 1870 1630

1 968 968 968 933 894 858 824 793 764 736 710 686

968 968 968 968 942 890 837 782 727 672 619 569

1 6280 6170 5990 5800 5580 5350 5080 4770 4440 4100 3750 3410

5980 5500 4980 4420 3830 3280 2790 2370 2030 1740 1510 1320

1 796 796 791 750 713 679 648 620 593 568 545 523

796 796 796 796 770 726 681 635 589 544 500 458

1 5040 4940 4790 4630 4460 4260 4040 3790 3520 3240 2950 2680

4780 4390 3960 3490 3020 2570 2180 1850 1580 1350 1170 1020

1 628 628 612 575 541 511 482 456 433 411 391 372

628 628 628 628 604 568 532 495 458 421 386 354

1 4270 4180 4060 3920 3770 3600 3410 3200 2970 2720 2480 2250

4040 3700 3340 2940 2530 2150 1820 1540 1310 1130 974 850

1 526 526 506 472 441 412 386 362 340 321 303 287

526 526 526 526 504 474 443 411 380 349 320 292

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths LE (m) within the limiting value of F/Pz

LE (m)

   356x368x174 Pcx

      Pz = Agpy = 5860 Pcy

      pyZx = 748 Mb

      pyZy = 259 Mbs

   356x368x152 Pcx

      Pz = Agpy = 5140 Pcy

      pyZx = 654 Mb

      pyZy = 224 Mbs

   356x368x133 Pcx

      Pz = Agpy = 4650 Pcy

      pyZx = 593 Mb

      pyZy = 201 Mbs

   356x368x109 Pcx

      Pz = Agpy = 3820 Pcy

      pyZx = 486 Mb

      pyZy = 163 Mbs

   305x305x223 Pcx

      Pz = Agpy = 7530 Pcy

      pyZx = 827 Mb

      pyZy = 286 Mbs

   305x305x186 Pcx

      Pz = Agpy = 6280 Pcy

      pyZx = 688 Mb

      pyZy = 233 Mbs

   305x305x149 Pcx

      Pz = Agpy = 5040 Pcy

      pyZx = 550 Mb

      pyZy = 183 Mbs

   305x305x126 Pcx

      Pz = Agpy = 4270 Pcy

      pyZx = 465 Mb

      pyZy = 152 Mbs

Page 101: Steel Section Capacities BS 5950 Spreadsheet

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Limit for

Capacities

(kN, kNm) 2 3 4 5 6 7 8 9 10 11 12 13

1 3850 3770 3650 3530 3390 3230 3050 2850 2630 2400 2180 1970

3630 3320 2980 2610 2230 1890 1590 1340 1140 974 842 734

1 421 421 407 379 353 329 307 287 269 253 239 226

421 421 421 421 399 375 350 324 298 273 249 227

1 3330 3250 3150 3040 2920 2780 2630 2450 2260 2060 1870 1690

3140 2860 2570 2240 1910 1610 1350 1140 968 829 716 624

1 363 363 347 321 297 275 254 236 219 204 191 180

363 363 363 363 343 322 300 277 255 233 213 194

1 3080 3010 2920 2810 2700 2570 2420 2250 2080 1890 1710 1540

2900 2650 2370 2070 1760 1480 1240 1050 888 760 657 572

1 336 336 319 295 271 250 230 212 196 183 170 160

336 336 336 336 317 297 276 256 235 215 196 178

1 2750 2690 2600 2510 2410 2290 2160 2010 1850 1690 1530 1380

2590 2360 2110 1840 1570 1320 1100 929 788 674 582 507

1 302 302 285 262 240 219 200 183 169 156 145 135

302 302 302 302 285 267 248 229 211 192 175 159

1 2950 2850 2730 2600 2440 2260 2060 1850 1640 1450 1270 1130

2720 2420 2080 1740 1420 1160 948 786 660 560 481 417

1 300 296 272 250 230 213 197 183 171 160 151 142

300 300 300 286 265 243 222 200 180 161 144 129

1 2470 2380 2290 2180 2050 1890 1730 1550 1370 1210 1070 942

2270 2010 1730 1440 1170 953 780 646 542 460 395 342

1 222 220 202 185 170 156 144 133 124 116 108 102

222 222 222 210 195 179 162 146 131 117 105 93.7

1 2190 2110 2020 1920 1810 1670 1520 1360 1200 1060 933 823

2010 1780 1530 1270 1030 838 685 567 475 403 346 300

1 197 194 177 161 147 134 122 112 104 96.3 89.8 84.1

197 197 197 186 172 158 143 129 116 103 92.2 82.5

1 1850 1760 1660 1530 1380 1220 1050 901 771 663 573 499

1630 1380 1100 856 663 521 418 341 283 239 204 176

1 153 141 127 115 104 94.4 86.5 79.7 73.8 68.7 64.3 60.4

153 153 146 132 118 105 91.4 79.5 69.2 60.4 52.9 46.6

1 1540 1460 1380 1270 1140 1000 865 739 632 542 469 408

1360 1140 908 702 542 426 341 278 231 194 166 143

1 113 105 93.7 84 75.6 68.4 62.3 57.1 52.7 48.9 45.6 42.8

113 113 107 96.8 86.4 76.1 66.4 57.7 50.1 43.6 38.2 33.7

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths LE (m) within the limiting value of F/Pz

LE (m)

   305x305x110 Pcx

      Pz = Agpy = 3850 Pcy

      pyZx = 421 Mb

      pyZy = 136 Mbs

   305x305x95 Pcx

      Pz = Agpy = 3330 Pcy

      pyZx = 363 Mb

      pyZy = 116 Mbs

   305x305x88 Pcx

      Pz = Agpy = 3080 Pcy

      pyZx = 336 Mb

      pyZy = 107 Mbs

   305x305x79 Pcx

      Pz = Agpy = 2750 Pcy

      pyZx = 302 Mb

      pyZy = 95.7 Mbs

   254x254x85 Pcx

      Pz = Agpy = 2970 Pcy

      pyZx = 266 Mb

      pyZy = 89.1 Mbs

   254x254x71 Pcx

      Pz = Agpy = 2490 Pcy

      pyZx = 222 Mb

      pyZy = 73.4 Mbs

   254x254x63 Pcx

      Pz = Agpy = 2210 Pcy

      pyZx = 197 Mb

      pyZy = 64.6 Mbs

   203x203x54 Pcx

      Pz = Agpy = 1890 Pcy

      pyZx = 136 Mb

      pyZy = 45.1 Mbs

   203x203x45 Pcx

      Pz = Agpy = 1570 Pcy

      pyZx = 113 Mb

      pyZy = 36.9 Mbs

Page 102: Steel Section Capacities BS 5950 Spreadsheet

14

3390

1440

503

537

2950

1240

391

412

2600

1080

328

366

2120

876

245

297

3780

1440

663

522

3090

1160

503

419

2430

901

356

323

2040

748

273

267

(kN) and Buckling Resistance Moment Mb, Mbs (kNm)

(m) within the limiting value of F/Pz

Page 103: Steel Section Capacities BS 5950 Spreadsheet

14

1780

645

214

207

1520

548

170

176

1390

502

150

162

1240

445

126

145

998

365

134

116

835

299

96.2

84

729

262

79.1

73.9

438

153

57

41.4

358

125

40.2

29.8

(kN) and Buckling Resistance Moment Mb, Mbs (kNm)

(m) within the limiting value of F/Pz

Page 104: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UNIVERSAL BEARING PILES SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

1090 1090 1090 1090 1090 1090 1090 1090 1090 1090 1090

1 404 404 404 404 404 404 404 404 404 404 404

0 - - - - - - - - - - -

- - - - - - - - - - -

908 908 908 908 908 908 908 908 908 908 908

1 350 350 350 350 350 350 350 350 350 350 350

0 - - - - - - - - - - -

- - - - - - - - - - -

785 785 785 785 785 785 785 785 785 785 785

1 290 290 290 290 290 290 290 290 290 290 290

0 - - - - - - - - - - -

- - - - - - - - - - -

588 588 588 588 588 588 588 588 588 588 $

0 192 192 192 192 192 192 192 192 192 192 $

0 - - - - - - - - - - -

- - - - - - - - - - -

1260 1260 1260 1260 1260 1260 1260 1260 1260 1260 1260

- 447 447 447 447 447 447 447 447 447 447 447

1 1260 1240 1170 1050 916 774 628 477 323 163 0

447 447 447 447 447 447 447 376 273 148 0

1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040

- 365 365 365 365 365 365 365 365 365 365 365

1 1040 1020 960 866 751 633 513 389 262 133 0

365 365 365 365 365 365 365 308 225 122 0

818 818 818 818 818 818 818 818 818 818 818

- 286 286 286 286 286 286 286 286 286 286 286

1 818 803 757 682 591 497 402 304 205 103 0

286 286 286 286 286 286 286 243 177 96 0

685 685 685 685 685 685 685 685 685 685 685

- 238 238 238 238 238 238 238 238 238 238 238

1 685 672 634 570 495 416 336 254 171 86 0

238 238 238 238 238 238 238 204 148 80.5 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   356x368x174 Mcx

      Pz = Agpy = 7620 Mcy

Mrx

Mry

   356x368x152 Mcx

      Pz = Agpy = 6690 Mcy

Mrx

Mry

   356x368x133 Mcx

      Pz = Agpy = 6000 Mcy

Mrx

Mry

   356x368x109 Mcx

      Pz = Agpy = 4930 Mcy

Mrx

Mry

   305x305x223 Mcx

      Pz = Agpy = 9800 Mcy

Mrx

Mry

   305x305x186 Mcx

      Pz = Agpy = 8180 Mcy

Mrx

Mry

   305x305x149 Mcx

      Pz = Agpy = 6560 Mcy

Mrx

Mry

   305x305x126 Mcx

      Pz = Agpy = 5550 Mcy

Mrx

Mry

Page 105: Steel Section Capacities BS 5950 Spreadsheet

UNIVERSAL BEARING PILES SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

585 585 585 585 585 585 585 585 585 585 585

1 211 211 211 211 211 211 211 211 211 211 211

0 - - - - - - - - - - -

- - - - - - - - - - -

484 484 484 484 484 484 484 484 484 484 484

1 172 172 172 172 172 172 172 172 172 172 172

0 - - - - - - - - - - -

- - - - - - - - - - -

439 439 439 439 439 439 439 439 439 439 439

1 146 146 146 146 146 146 146 146 146 146 146

0 - - - - - - - - - - -

- - - - - - - - - - -

377 377 377 377 377 377 377 377 377 377 $

0 118 118 118 118 118 118 118 118 118 118 $

0 - - - - - - - - - - -

- - - - - - - - - - -

383 383 383 383 383 383 383 383 383 383 383

1 138 138 138 138 138 138 138 138 138 138 138

0 - - - - - - - - - - -

- - - - - - - - - - -

302 302 302 302 302 302 302 302 302 302 302

1 114 114 114 114 114 114 114 114 114 114 114

0 - - - - - - - - - - -

- - - - - - - - - - -

260 260 260 260 260 260 260 260 260 260 260

1 92.4 92.4 92.4 92.4 92.4 92.4 92.4 92.4 92.4 92.4 92.4

0 - - - - - - - - - - -

- - - - - - - - - - -

195 195 195 195 195 195 195 195 195 195 195

1 69.9 69.9 69.9 69.9 69.9 69.9 69.9 69.9 69.9 69.9 69.9

0 - - - - - - - - - - -

- - - - - - - - - - -

153 153 153 153 153 153 153 153 153 153 153

1 57.1 57.1 57.1 57.1 57.1 57.1 57.1 57.1 57.1 57.1 57.1

0 - - - - - - - - - - -

- - - - - - - - - - -

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   305x305x110 Mcx

      Pz = Agpy = 4970 Mcy

Mrx

Mry

   305x305x95 Mcx

      Pz = Agpy = 4300 Mcy

Mrx

Mry

   305x305x88 Mcx

      Pz = Agpy = 3980 Mcy

Mrx

Mry

   305x305x79 Mcx

      Pz = Agpy = 3550 Mcy

Mrx

Mry

   254x254x85 Mcx

      Pz = Agpy = 3830 Mcy

Mrx

Mry

   254x254x71 Mcx

      Pz = Agpy = 3210 Mcy

Mrx

Mry

   254x254x63 Mcx

      Pz = Agpy = 2850 Mcy

Mrx

Mry

   203x203x54 Mcx

      Pz = Agpy = 2440 Mcy

Mrx

Mry

   203x203x45 Mcx

      Pz = Agpy = 2030 Mcy

Mrx

Mry

Page 106: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

(kN, kNm) 2 3 4 5 6 7 8 9 10 11 12 13

1 7620 7500 7310 7100 6860 6590 6280 5920 5530 5100 4660 4240

7340 6830 6280 5650 4970 4300 3670 3130 2680 2310 2000 1750

1 974 974 969 916 865 816 770 727 687 650 615 584

974 974 974 974 956 910 862 812 760 708 655 604

1 6690 6580 6410 6220 6010 5780 5500 5180 4830 4450 4060 3690

6430 5990 5490 4930 4330 3730 3190 2720 2320 2000 1730 1510

1 851 851 841 792 744 697 653 612 574 539 507 479

851 851 851 851 833 793 751 706 661 614 568 523

1 6000 5890 5740 5570 5370 5150 4890 4600 4270 3920 3570 3230

5750 5350 4900 4380 3830 3280 2790 2370 2020 1740 1500 1310

1 766 766 749 701 654 609 565 525 487 454 424 397

766 766 766 766 746 709 670 629 587 545 502 462

0 4660 4580 4460 4330 4190 4030 3840 3620 3370 3110 2840 2580

4480 4170 3830 3440 3020 2600 2220 1890 1620 1390 1200 1050

0 628 628 609 567 525 483 444 407 374 344 318 295

628 628 628 628 609 579 546 513 478 443 408 374

0 694 694 663 613 564 515 469 427 389 357 329 304

694 694 694 694 674 640 604 567 528 489 451 414

1 9800 9550 9270 8950 8580 8150 7640 7070 6450 5830 5230 4680

9230 8450 7560 6570 5550 4630 3850 3220 2720 2320 1990 1730

1 1260 1260 1230 1170 1110 1060 1010 970 928 888 851 816

1260 1260 1260 1250 1180 1110 1030 954 875 797 724 656

1 8180 7960 7720 7450 7130 6760 6320 5830 5310 4780 4280 3820

7680 7010 6250 5400 4550 3770 3130 2610 2200 1880 1610 1400

1 1040 1040 992 936 884 836 792 751 713 677 644 614

1040 1040 1040 1020 964 903 839 773 707 643 582 527

1 6560 6370 6180 5950 5690 5380 5020 4620 4190 3760 3360 2990

6130 5590 4960 4260 3570 2950 2440 2030 1710 1450 1250 1080

1 818 818 767 715 668 623 583 546 512 482 455 430

818 818 818 802 755 706 654 601 548 497 449 405

1 5550 5400 5230 5030 4810 4550 4240 3890 3520 3160 2820 2510

5190 4720 4180 3570 2980 2460 2030 1690 1420 1210 1040 899

1 685 684 633 586 541 500 462 428 398 372 349 328

685 685 685 669 630 588 544 499 454 411 371 334

BS 5950-1: 2000 AXIAL LOAD & BENDING

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths LE (m) within the limiting value of F/Pz

LE (m)

   356x368x174 Pcx

      Pz = Agpy = 7620 Pcy

      pyZx = 974 Mb

      pyZy = 337 Mbs

   356x368x152 Pcx

      Pz = Agpy = 6690 Pcy

      pyZx = 851 Mb

      pyZy = 292 Mbs

   356x368x133 Pcx

      Pz = Agpy = 6000 Pcy

      pyZx = 766 Mb

      pyZy = 260 Mbs

 * 356x368x109 Pcx

      Pz = Agpy = 4930 Pcy

      pyZx = 628 Mb

      pyZy = 210 Mbs

Mb

Mbs

   305x305x223 Pcx

      Pz = Agpy = 9800 Pcy

      pyZx = 1080 Mb

      pyZy = 372 Mbs

   305x305x186 Pcx

      Pz = Agpy = 8180 Pcy

      pyZx = 896 Mb

      pyZy = 304 Mbs

   305x305x149 Pcx

      Pz = Agpy = 6560 Pcy

      pyZx = 716 Mb

      pyZy = 238 Mbs

   305x305x126 Pcx

      Pz = Agpy = 5550 Pcy

      pyZx = 605 Mb

      pyZy = 198 Mbs

Page 107: Steel Section Capacities BS 5950 Spreadsheet

BS 4-1: 1993

UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

(kN, kNm) 2 3 4 5 6 7 8 9 10 11 12 13

1 4960 4820 4670 4490 4280 4040 3750 3430 3090 2760 2450 2180

4630 4200 3700 3150 2610 2140 1760 1460 1220 1040 892 773

1 544 544 505 467 431 397 366 338 313 292 272 255

544 544 544 528 495 461 426 389 353 318 286 258

1 4290 4160 4030 3870 3690 3480 3220 2940 2650 2360 2090 1860

3990 3620 3180 2700 2230 1820 1500 1240 1040 884 758 657

1 469 467 431 395 361 329 300 275 252 233 216 202

469 469 469 454 426 396 365 333 301 272 244 219

1 3970 3850 3730 3580 3410 3210 2970 2700 2430 2160 1920 1700

3690 3340 2930 2480 2050 1670 1370 1140 955 810 695 602

1 433 431 396 362 329 298 270 246 225 207 192 178

433 433 433 419 393 365 336 306 277 250 224 201

0 3440 3340 3230 3110 2970 2800 2600 2370 2140 1910 1700 1510

3210 2910 2560 2170 1800 1470 1210 1000 843 715 614 532

0 390 386 354 321 290 260 234 211 192 176 162 150

390 390 390 377 353 328 302 275 249 224 201 180

0 432 422 383 345 308 274 244 219 198 181 166 153

432 432 432 417 391 363 334 305 275 248 222 200

1 3780 3640 3480 3280 3040 2750 2430 2120 1830 1590 1380 1200

3450 3030 2530 2030 1600 1270 1030 841 699 590 504 435

1 343 332 305 280 257 236 218 201 187 174 163 153

343 343 338 314 288 261 234 207 183 161 142 126

1 3160 3050 2910 2750 2540 2300 2040 1770 1530 1330 1150 1010

2880 2520 2100 1680 1320 1050 844 690 574 484 413 357

1 286 274 250 226 204 185 168 154 141 131 121 113

286 286 281 261 239 216 193 171 151 133 117 103

1 2810 2700 2580 2430 2240 2030 1790 1550 1340 1160 1010 879

2550 2230 1850 1480 1160 920 740 605 503 424 362 313

1 255 242 219 196 175 157 141 128 117 108 99.8 92.9

255 255 249 231 212 191 171 151 133 117 103 90.9

1 2360 2240 2090 1900 1660 1410 1180 986 829 704 604 523

2060 1690 1290 959 723 559 443 359 296 248 211 182

1 175 159 142 128 115 104 94.5 86.6 79.8 74 69 64.6

175 175 160 143 126 109 93 79.4 68 58.6 50.9 44.5

1 1970 1860 1740 1570 1370 1160 967 807 678 576 493 427

1710 1390 1060 785 591 456 361 292 241 202 172 148

1 146 129 114 100 88.6 78.9 70.9 64.3 58.8 54.1 50.2 46.8

146 145 132 118 104 89.3 76.2 64.9 55.5 47.8 41.5 36.3

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths LE (m) within the limiting value of F/Pz

LE (m)

   305x305x110 Pcx

      Pz = Agpy = 4970 Pcy

      pyZx = 544 Mb

      pyZy = 176 Mbs

   305x305x95 Pcx

      Pz = Agpy = 4300 Pcy

      pyZx = 469 Mb

      pyZy = 150 Mbs

   305x305x88 Pcx

      Pz = Agpy = 3980 Pcy

      pyZx = 433 Mb

      pyZy = 138 Mbs

 * 305x305x79 Pcx

      Pz = Agpy = 3550 Pcy

      pyZx = 390 Mb

      pyZy = 124 Mbs

Mb

Mbs

   254x254x85 Pcx

      Pz = Agpy = 3830 Pcy

      pyZx = 343 Mb

      pyZy = 115 Mbs

   254x254x71 Pcx

      Pz = Agpy = 3210 Pcy

      pyZx = 286 Mb

      pyZy = 94.8 Mbs

   254x254x63 Pcx

      Pz = Agpy = 2850 Pcy

      pyZx = 255 Mb

      pyZy = 83.4 Mbs

   203x203x54 Pcx

      Pz = Agpy = 2440 Pcy

      pyZx = 175 Mb

      pyZy = 58.2 Mbs

   203x203x45 Pcx

      Pz = Agpy = 2030 Pcy

      pyZx = 146 Mb

      pyZy = 47.6 Mbs

Page 108: Steel Section Capacities BS 5950 Spreadsheet

14

3840

1540

555

556

3340

1330

453

481

2910

1150

373

423

2330

924

275

343

283

379

4180

1520

784

594

3410

1230

586

476

2670

949

408

366

2240

787

309

301

(kN) and Buckling Resistance Moment Mb, Mbs (kNm)

(m) within the limiting value of F/Pz

Page 109: Steel Section Capacities BS 5950 Spreadsheet

14

1940

676

240

232

1650

574

189

197

1510

526

167

181

1340

465

139

162

142

179

1060

379

145

112

885

311

106

91.9

772

272

86.9

80.8

456

158

60.7

39.2

373

129

43.8

31.9

(kN) and Buckling Resistance Moment Mb, Mbs (kNm)

(m) within the limiting value of F/Pz

Page 110: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

50x30 3.61 126 1.87 1.87 1.87 1.87 1.87 1.87 1.87 1.87

n/a n/a 1.36 1.36 1.36 1.36 1.36 1.36 1.36 1.36

1 1 1.87 1.87 1.87 1.79 1.63 1.43 1.18 0.9

1.36 1.35 1.28 1.17 1.03 0.871 0.709 0.541

60x40 4.35 152 2.91 2.91 2.91 2.91 2.91 2.91 2.91 2.91

n/a n/a 2.25 2.25 2.25 2.25 2.25 2.25 2.25 2.25

1 1 2.91 2.91 2.86 2.68 2.43 2.12 1.74 1.32

2.25 2.22 2.11 1.94 1.69 1.43 1.16 0.881

5.64 198 3.6 3.6 3.6 3.6 3.6 3.6 3.6 3.6

n/a n/a 2.81 2.81 2.81 2.81 2.81 2.81 2.81 2.81

1 1 3.6 3.6 3.6 3.4 3.08 2.68 2.21 1.69

2.81 2.79 2.65 2.43 2.14 1.82 1.48 1.13

6.85 240 4.19 4.19 4.19 4.19 4.19 4.19 4.19 4.19

n/a n/a 3.22 3.22 3.22 3.22 3.22 3.22 3.22 3.22

1 1 4.19 4.19 4.19 4.04 3.67 3.2 2.64 2.03

3.22 3.22 3.15 2.88 2.54 2.16 1.77 1.35

80x40 5.62 197 4.72 4.72 4.72 4.72 4.72 4.72 4.72 4.72

n/a n/a 3.03 3.03 3.03 3.03 3.03 3.03 3.03 3.03

1 1 4.72 4.72 4.72 4.45 4.07 3.57 2.97 2.28

3.03 2.97 2.8 2.53 2.2 1.85 1.5 1.14

6.9 242 5.64 5.64 5.64 5.64 5.64 5.64 5.64 5.64

n/a n/a 3.63 3.63 3.63 3.63 3.63 3.63 3.63 3.63

1 1 5.64 5.64 5.64 5.4 4.93 4.34 3.6 2.77

3.63 3.56 3.36 3.04 2.65 2.24 1.82 1.39

8.42 294 6.63 6.63 6.63 6.63 6.63 6.63 6.63 6.63

n/a n/a 4.26 4.26 4.26 4.26 4.26 4.26 4.26 4.26

1 1 6.63 6.63 6.63 6.47 5.92 5.21 4.34 3.33

4.26 4.24 4 3.61 3.15 2.68 2.19 1.67

10.3 360 7.69 7.69 7.69 7.69 7.69 7.69 7.69 7.69

n/a n/a 4.82 4.82 4.82 4.82 4.82 4.82 4.82 4.82

1 1 7.69 7.69 7.69 7.69 7.05 6.21 5.18 4.01

4.82 4.82 4.69 4.26 3.75 3.2 2.63 2.02

12.5 440 8.74 8.74 8.74 8.74 8.74 8.74 8.74 8.74

n/a n/a 5.31 5.31 5.31 5.31 5.31 5.31 5.31 5.31

1 1 8.74 8.74 8.74 8.74 8.28 7.29 6.08 4.78

5.31 5.31 5.31 4.96 4.4 3.79 3.13 2.42

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   3.2 ~ Mcx

Mcy

Mrx

Mry

   3.0 ~ Mcx

Mcy

Mrx

Mry

   4.0 ~ Mcx

Mcy

Mrx

Mry

   5.0 ~ Mcx

Mcy

Mrx

Mry

   3.2 ~ Mcx

Mcy

Mrx

Mry

   4.0 ~ Mcx

Mcy

Mrx

Mry

   5.0 ~ Mcx

Mcy

Mrx

Mry

   6.3 ~ Mcx

Mcy

Mrx

Mry

   8.0 ~ Mcx

Mcy

Mrx

Mry

Page 111: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

90x50 7.4 259 7.19 7.19 7.19 7.19 7.19 7.19 7.19 7.19

n/a n/a 4.95 4.95 4.95 4.95 4.95 4.95 4.95 4.95

1 1 7.19 7.19 7.14 6.72 6.12 5.36 4.43 3.38

4.95 4.87 4.61 4.19 3.63 3.06 2.48 1.88

9.99 350 9.34 9.34 9.34 9.34 9.34 9.34 9.34 9.34

n/a n/a 6.46 6.46 6.46 6.46 6.46 6.46 6.46 6.46

1 1 9.34 9.34 9.34 8.9 8.12 7.11 5.89 4.5

6.46 6.35 6.02 5.46 4.78 4.05 3.29 2.51

12.3 430 11 11 11 11 11 11 11 11

n/a n/a 7.52 7.52 7.52 7.52 7.52 7.52 7.52 7.52

1 1 11 11 11 10.7 9.75 8.55 7.08 5.46

7.52 7.52 7.17 6.5 5.72 4.87 3.98 3.04

100x50 6.71 235 7.23 7.23 7.23 7.23 7.23 7.23 7.23 7.23

n/a n/a 4.62 4.62 4.62 4.62 4.62 4.62 4.62 4.62

1 1 7.23 7.23 7.17 6.76 6.17 5.42 4.5 3.43

4.62 4.54 4.29 3.87 3.34 2.81 2.27 1.71

7.13 250 7.66 7.66 7.66 7.66 7.66 7.66 7.66 7.66

n/a n/a 4.87 4.87 4.87 4.87 4.87 4.87 4.87 4.87

1 1 7.66 7.66 7.59 7.15 6.53 5.73 4.76 3.64

4.87 4.78 4.51 4.07 3.53 2.97 2.4 1.82

10.8 378 11 11 11 11 11 11 11 11

n/a n/a 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1

1 1 11 11 11 10.5 9.64 8.47 7.05 5.4

7.1 6.97 6.58 5.94 5.17 4.38 3.56 2.71

13.3 464 13 13 13 13 13 13 13 13

n/a n/a 8.32 8.32 8.32 8.32 8.32 8.32 8.32 8.32

1 1 13 13 13 12.7 11.6 10.2 8.5 6.56

8.32 8.31 7.85 7.1 6.21 5.28 4.31 3.3

16.3 571 15.2 15.2 15.2 15.2 15.2 15.2 15.2 15.2

n/a n/a 9.47 9.47 9.47 9.47 9.47 9.47 9.47 9.47

1 1 15.2 15.2 15.2 15.2 13.9 12.3 10.2 7.93

9.47 9.47 9.24 8.41 7.4 6.33 5.19 3.99

19.6 686 17.1 17.1 17.1 17.1 17.1 17.1 17.1 17.1

n/a n/a 10.4 10.4 10.4 10.4 10.4 10.4 10.4 10.4

1 1 17.1 17.1 17.1 17.1 16.2 14.2 11.9 9.32

10.4 10.4 10.4 9.67 8.57 7.38 6.1 4.71

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   3.6 ~ Mcx

Mcy

Mrx

Mry

   5.0 ~ Mcx

Mcy

Mrx

Mry

   6.3 ~ Mcx

Mcy

Mrx

Mry

   3.0 ~ Mcx

Mcy

Mrx

Mry

   3.2 ~ Mcx

Mcy

Mrx

Mry

   5.0 ~ Mcx

Mcy

Mrx

Mry

   6.3 ~ Mcx

Mcy

Mrx

Mry

   8.0 ~ Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

Page 112: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

100x60 8.53 300 9.54 9.54 9.54 9.54 9.54 9.54 9.54 9.54

n/a n/a 6.85 6.85 6.85 6.85 6.85 6.85 6.85 6.85

1 1 9.54 9.54 9.34 8.77 7.97 6.95 5.71 4.37

6.85 6.73 6.39 5.83 5.09 4.28 3.46 2.62

11.6 404 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5

n/a n/a 9.05 9.05 9.05 9.05 9.05 9.05 9.05 9.05

1 1 12.5 12.5 12.4 11.7 10.7 9.32 7.69 5.82

9.05 8.9 8.45 7.71 6.71 5.67 4.6 3.5

14.2 498 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9

n/a n/a 10.8 10.8 10.8 10.8 10.8 10.8 10.8 10.8

1 1 14.9 14.9 14.9 14.1 12.9 11.3 9.32 7.09

10.8 10.7 10.1 9.25 8.09 6.87 5.59 4.26

17.5 616 17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.4

n/a n/a 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5

1 1 17.4 17.4 17.4 17 15.4 13.5 11.3 8.64

12.5 12.5 12.1 11 9.74 8.3 6.79 5.21

120x60 9.7 338 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5

n/a n/a 7.95 7.95 7.95 7.95 7.95 7.95 7.95 7.95

1 1 12.5 12.5 12.4 11.7 10.7 9.37 7.78 5.92

7.95 7.8 7.37 6.65 5.77 4.85 3.92 2.96

13.1 459 16.5 16.5 16.5 16.5 16.5 16.5 16.5 16.5

n/a n/a 10.6 10.6 10.6 10.6 10.6 10.6 10.6 10.6

1 1 16.5 16.5 16.5 15.6 14.3 12.6 10.4 7.95

10.6 10.4 9.79 8.83 7.67 6.47 5.24 3.98

16.2 569 19.7 19.7 19.7 19.7 19.7 19.7 19.7 19.7

n/a n/a 12.7 12.7 12.7 12.7 12.7 12.7 12.7 12.7

1 1 19.7 19.7 19.7 19 17.4 15.2 12.7 9.75

12.7 12.5 11.8 10.7 9.31 7.89 6.42 4.89

20.1 704 23.4 23.4 23.4 23.4 23.4 23.4 23.4 23.4

n/a n/a 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9

1 1 23.4 23.4 23.4 23 21 18.5 15.4 11.9

14.9 14.9 14.1 12.8 11.2 9.55 7.8 5.97

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   3.6 ~ Mcx

Mcy

Mrx

Mry

   5.0 ~ Mcx

Mcy

Mrx

Mry

   6.3 ~ Mcx

Mcy

Mrx

Mry

   8.0 ~ Mcx

Mcy

Mrx

Mry

   3.6 ~ Mcx

Mcy

Mrx

Mry

   5.0 ~ Mcx

Mcy

Mrx

Mry

   6.3 ~ Mcx

Mcy

Mrx

Mry

   8.0 ~ Mcx

Mcy

Mrx

Mry

HOT-FINISHED   CELSIUS

Page 113: Steel Section Capacities BS 5950 Spreadsheet

RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

120x80 14.7 514 20.1 20.1 20.1 20.1 20.1 20.1 20.1 20.1

n/a n/a 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4

1 1 20.1 20.1 19.6 18.4 16.7 14.5 11.8 8.97

15.4 15.2 14.5 13.3 11.6 9.76 7.89 5.98

18.2 638 24.2 24.2 24.2 24.2 24.2 24.2 24.2 24.2

n/a n/a 18.8 18.8 18.8 18.8 18.8 18.8 18.8 18.8

1 1 24.2 24.2 23.9 22.4 20.3 17.7 14.5 11

18.8 18.5 17.6 16.1 14.1 11.9 9.69 7.36

22.6 792 28.9 28.9 28.9 28.9 28.9 28.9 28.9 28.9

n/a n/a 22.5 22.5 22.5 22.5 22.5 22.5 22.5 22.5

1 1 28.9 28.9 28.9 27.3 24.8 21.6 17.7 13.5

22.5 22.4 21.3 19.5 17.2 14.6 11.9 9.05

27.4 960 33.5 33.5 33.5 33.5 33.5 33.5 33.5 33.5

n/a n/a 25.8 25.8 25.8 25.8 25.8 25.8 25.8 25.8

1 1 33.5 33.5 33.5 32.3 29.3 25.6 21.1 16.2

25.8 25.8 25.1 23 20.3 17.3 14.1 10.8

150x100 18.6 652 32.5 32.5 32.5 32.5 32.5 32.5 32.5 32.5

n/a n/a 24.8 24.8 24.8 24.8 24.8 24.8 24.8 24.8

1 1 32.5 32.3 31.2 29.2 26.5 23.1 18.9 14.3

24.8 24.4 23.2 21.3 18.6 15.6 12.6 9.54

23.1 811 39.6 39.6 39.6 39.6 39.6 39.6 39.6 39.6

n/a n/a 30.3 30.3 30.3 30.3 30.3 30.3 30.3 30.3

1 1 39.6 39.6 38.5 36.2 32.8 28.6 23.3 17.7

30.3 29.8 28.4 26 22.8 19.2 15.6 11.8

28.9 1010 47.9 47.9 47.9 47.9 47.9 47.9 47.9 47.9

n/a n/a 37.1 37.1 37.1 37.1 37.1 37.1 37.1 37.1

1 1 47.9 47.9 47.2 44.3 40.2 35 28.7 21.9

37.1 36.5 34.8 31.9 28 23.7 19.2 14.6

35.3 1230 56.4 56.4 56.4 56.4 56.4 56.4 56.4 56.4

n/a n/a 43.9 43.9 43.9 43.9 43.9 43.9 43.9 43.9

1 1 56.4 56.4 56.4 53.2 48.3 42.1 34.6 26.4

43.9 43.6 41.5 38 33.5 28.4 23.1 17.6

42.8 1500 65.3 65.3 65.3 65.3 65.3 65.3 65.3 65.3

n/a n/a 50.5 50.5 50.5 50.5 50.5 50.5 50.5 50.5

1 1 65.3 65.3 65.3 63 57.3 49.9 41.3 31.7

50.5 50.5 49 44.9 39.7 33.8 27.6 21.2

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   5.0 ~ Mcx

Mcy

Mrx

Mry

   6.3 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 ~ Mcx

Mcy

Mrx

Mry

   5.0 ~ Mcx

Mcy

Mrx

Mry

   6.3 Mcx

Mcy

Mrx

Mry

   8.0 ~ Mcx

Mcy

Mrx

Mry

   10.0 ~ Mcx

Mcy

Mrx

Mry

   12.5 ~ Mcx

Mcy

Mrx

Mry

HOT-FINISHED   CELSIUS

Page 114: Steel Section Capacities BS 5950 Spreadsheet

RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

160x80 14.4 506 25.2 25.2 25.2 25.2 25.2 25.2 25.2 25.2

n/a 1 14.8 14.8 14.8 14.8 14.8 14.8 14.8 14.8

1 0 25.2 25.2 24.9 23.4 21.4 18.8 15.6 11.9

- - - - - - - -

17.8 624 30.7 30.7 30.7 30.7 30.7 30.7 30.7 30.7

n/a n/a 19.6 19.6 19.6 19.6 19.6 19.6 19.6 19.6

1 1 30.7 30.7 30.5 28.7 26.2 23 19.1 14.6

19.6 19.2 18.1 16.4 14.2 11.9 9.62 7.29

22.2 776 37.3 37.3 37.3 37.3 37.3 37.3 37.3 37.3

n/a n/a 23.9 23.9 23.9 23.9 23.9 23.9 23.9 23.9

1 1 37.3 37.3 37.3 35.1 32.1 28.2 23.4 17.9

23.9 23.4 22.1 20 17.3 14.6 11.8 8.99

27.6 968 44.9 44.9 44.9 44.9 44.9 44.9 44.9 44.9

n/a n/a 29.2 29.2 29.2 29.2 29.2 29.2 29.2 29.2

1 1 44.9 44.9 44.9 43.3 39.6 34.8 29 22.2

29.2 28.6 27 24.4 21.2 18 14.6 11.1

33.7 1180 53.1 53.1 53.1 53.1 53.1 53.1 53.1 53.1

n/a n/a 34 34 34 34 34 34 34 34

1 1 53.1 53.1 53.1 51.8 47.4 41.7 34.7 26.7

34 33.7 31.8 28.9 25.3 21.5 17.5 13.4

200x100 22.6 789 49.2 49.2 49.2 49.2 49.2 49.2 49.2 49.2

n/a 1 28.9 28.9 28.9 28.9 28.9 28.9 28.9 28.9

1 0 49.2 49.2 48.6 45.8 41.8 36.7 30.5 23.1

- - - - - - - -

28.1 984 60.4 60.4 60.4 60.4 60.4 60.4 60.4 60.4

n/a n/a 38.5 38.5 38.5 38.5 38.5 38.5 38.5 38.5

1 1 60.4 60.4 59.9 56.4 51.5 45.2 37.5 28.7

38.5 37.8 35.7 32.2 27.9 23.5 19 14.4

35.1 1230 73.6 73.6 73.6 73.6 73.6 73.6 73.6 73.6

n/a n/a 47.3 47.3 47.3 47.3 47.3 47.3 47.3 47.3

1 1 73.6 73.6 73.6 69.8 63.8 56 46.5 35.6

47.3 46.4 43.9 39.6 34.4 29 23.5 17.8

43.1 1510 87.8 87.8 87.8 87.8 87.8 87.8 87.8 87.8

n/a n/a 56.7 56.7 56.7 56.7 56.7 56.7 56.7 56.7

1 1 87.8 87.8 87.8 84.5 77.2 67.9 56.5 43.2

56.7 55.6 52.5 47.5 41.4 35 28.5 21.7

52.7 1850 104 104 104 104 104 104 104 104

n/a n/a 66.3 66.3 66.3 66.3 66.3 66.3 66.3 66.3

1 1 104 104 104 101 92.4 81.2 67.6 52.2

66.3 66.1 62.4 56.5 49.4 42 34.3 26.2

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   4.0 ~ Mcx

Mcy

Mrx

Mry

   5.0 ~ Mcx

Mcy

Mrx

Mry

   6.3 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 ~ Mcx

Mcy

Mrx

Mry

   5.0 ~ Mcx

Mcy

Mrx

Mry

   6.3 ~ Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

   12.5 Mcx

Mcy

Mrx

Mry

Page 115: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

200x120 24.1 844 55.4 55.4 55.4 55.4 55.4 55.4 55.4 55.4

n/a 1 36.4 36.4 36.4 36.4 36.4 36.4 36.4 36.4

1 0 55.4 55.4 53.8 50.5 46 40.2 33 24.8

- - - - - - - -

30.1 1050 68.3 68.3 68.3 68.3 68.3 68.3 68.3 68.3

n/a n/a 48.7 48.7 48.7 48.7 48.7 48.7 48.7 48.7

1 1 68.3 68.3 66.4 62.4 56.8 49.6 40.8 30.8

48.7 47.9 45.5 41.5 36 30.3 24.4 18.5

37.6 1320 83.5 83.5 83.5 83.5 83.5 83.5 83.5 83.5

n/a n/a 60 60 60 60 60 60 60 60

1 1 83.5 83.5 82.1 77.2 70.2 61.3 50.4 38.3

60 59 56 51 44.6 37.5 30.4 23

46.3 1620 100 100 100 100 100 100 100 100

n/a n/a 72.3 72.3 72.3 72.3 72.3 72.3 72.3 72.3

1 1 100 100 99.5 93.5 85.1 74.4 61.3 46.6

72.3 71.1 67.6 61.6 53.8 45.5 36.9 28

200x150 41.4 1450 98 98 98 98 98 98 98 98

n/a n/a 80.9 80.9 80.9 80.9 80.9 80.9 80.9 80.9

1 1 98 97.5 93.9 87.9 79.6 68.8 55.9 42.3

80.9 79.7 76.1 70.1 61.7 52 42 31.8

51 1780 118 118 118 118 118 118 118 118

n/a n/a 97.9 97.9 97.9 97.9 97.9 97.9 97.9 97.9

1 1 118 118 114 107 96.7 83.7 68.1 51.7

97.9 96.5 92.1 84.9 74.7 63.1 51.1 38.8

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   5.0 ~ Mcx

Mcy

Mrx

Mry

   6.3 ~ Mcx

Mcy

Mrx

Mry

   8.0 ~ Mcx

Mcy

Mrx

Mry

   10.0 ~ Mcx

Mcy

Mrx

Mry

   8.0 ~ Mcx

Mcy

Mrx

Mry

   10.0 ~ Mcx

Mcy

Mrx

Mry

HOT-FINISHED   CELSIUS

Page 116: Steel Section Capacities BS 5950 Spreadsheet

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

250x100 51 1780 125 125 125 125 125 125 125 125

n/a n/a 69 69 69 69 69 69 69 69

1 1 125 125 125 122 112 98.8 82.9 64.1

69 67.6 63.2 56.6 49.2 41.6 33.8 25.7

62.5 2190 149 149 149 149 149 149 149 149

n/a n/a 82.2 82.2 82.2 82.2 82.2 82.2 82.2 82.2

1 1 149 149 149 147 135 119 100 77.4

82.2 80.5 75.3 67.6 59.1 50.1 40.8 31.2

250x150 30.4 1060 88.8 88.8 88.8 88.8 88.8 85.4 80.8 77.8

0.777*

50.2 50.2 50.2 50.2 50.2 50.2 50.2 50.2

0.426 88.8 88.1 85 79.8 72.6 - - -

- - - - - - - -

38 1330 109 109 109 109 109 109 109 109

n/a 1 72 72 72 72 72 72 72 72

1 0 109 109 105 99 90.1 78.6 64.5 48.9

- - - - - - - -

47.7 1670 135 135 135 135 135 135 135 135

n/a n/a 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3

1 1 135 135 131 123 112 98.1 80.6 61.1

96.3 94.7 89.9 82 71.5 60.1 48.5 36.7

58.8 2060 163 163 163 163 163 163 163 163

n/a n/a 117 117 117 117 117 117 117 117

1 1 163 163 160 151 137 120 98.6 74.8

117 115 109 99.8 86.9 73.2 59.2 44.9

72.3 2530 195 195 195 195 195 195 195 195

n/a n/a 141 141 141 141 141 141 141 141

1 1 195 195 194 183 166 145 120 91.2

141 139 132 120 105 88.8 72.1 54.8

90.3 3160 234 234 234 234 234 234 234 234

n/a n/a 170 170 170 170 170 170 170 170

1 1 234 234 234 224 204 178 147 112

170 169 161 146 128 109 88.7 67.7

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   10.0 ~ Mcx

Mcy

Mrx

Mry

   12.5 ~ Mcx

Mcy

Mrx

Mry

   5.0 ~ Mcx

Mcy

Mrx

Mry

   6.3 Mcx

Mcy

Mrx

Mry

   8.0 ~ Mcx

Mcy

Mrx

Mry

   10.0 ~ Mcx

Mcy

Mrx

Mry

   12.5 Mcx

Mcy

Mrx

Mry

   16.0 ~ Mcx

Mcy

Mrx

Mry

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

Page 117: Steel Section Capacities BS 5950 Spreadsheet

mm mm kg kN x-x y-y

300x100 47.7 1670 139 139 139 139 139 139 139 139

n/a 1 64.5 64.5 64.5 64.5 64.5 64.5 64.5 64.5

1 0 139 139 139 136 125 110 93 72.3

- - - - - - - -

58.8 2060 168 168 168 168 168 168 168 168

n/a n/a 81.4 81.4 81.4 81.4 81.4 81.4 81.4 81.4

1 1 168 168 168 166 152 135 114 88.7

81.4 79.5 73.7 65.6 57 48.2 39.1 29.7

300x200 47.9 1680 172 172 172 172 172 168 161 157

0.845*

107 107 107 107 107 107 107 107

0.46 172 170 163 153 139 - - -

- - - - - - - -

60.3 2110 214 214 214 214 214 214 214 214

n/a 1 155 155 155 155 155 155 155 155

1 0 214 212 204 191 174 151 123 93.1

- - - - - - - -

74.5 2610 260 260 260 260 260 260 260 260

n/a n/a 198 198 198 198 198 198 198 198

1 1 260 260 251 235 213 186 151 115

198 195 186 170 149 125 101 76.4

91.9 3220 314 314 314 314 314 314 314 314

n/a n/a 241 241 241 241 241 241 241 241

1 1 314 314 305 286 260 226 185 140

241 237 226 207 181 153 123 93.6

115 4040 382 382 382 382 382 382 382 382

n/a n/a 297 297 297 297 297 297 297 297

1 1 382 382 378 354 322 280 230 175

297 292 278 255 224 189 153 117

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

400x200 72.8 2550 323 323 323 323 323 321 301 285

0.777*

163 163 163 163 163 163 163 163

0.455 323 323 316 298 272 - - -

- - - - - - - -

90.2 3160 395 395 395 395 395 395 395 395

n/a 1 231 231 231 231 231 231 231 231

1 0 395 395 389 366 334 294 244 185

   8.0 ~ Mcx

Mcy

Mrx

Mry

   10.0 ~ Mcx

Mcy

Mrx

Mry

   6.3 ~ Mcx

Mcy

Mrx

Mry

   8.0 ~ Mcx

Mcy

Mrx

Mry

   10.0 ~ Mcx

Mcy

Mrx

Mry

   12.5 ~ Mcx

Mcy

Mrx

Mry

   16.0 Mcx

Mcy

Mrx

Mry

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   8.0 ~ Mcx

Mcy

Mrx

Mry

   10.0 ~ Mcx

Mcy

Mrx

Page 118: Steel Section Capacities BS 5950 Spreadsheet

- - - - - - - -

112 3910 479 479 479 479 479 479 479 479

n/a n/a 306 306 306 306 306 306 306 306

1 1 479 479 476 449 410 360 299 228

306 300 283 256 222 186 151 114

141 4920 590 590 590 590 590 590 590 590

n/a n/a 378 378 378 378 378 378 378 378

1 1 590 590 590 558 510 448 373 285

378 371 350 316 275 232 188 143

450x250 85.4 3000 441 441 441 441 422 396 373 207

0.627*

220 220 220 220 220 220 220 220

0.314 441 441 426 400 - - - -

- - - - - - - -

106 3710 541 541 541 541 541 541 538 526

0.929*

315 315 315 315 315 315 315 315

0.563 541 541 525 494 450 393 - -

- - - - - - - -

131 4590 660 660 660 660 660 660 660 660

n/a 1 440 440 440 440 440 440 440 440

1 0 660 660 645 607 553 484 400 303

- - - - - - - -

166 5800 817 817 817 817 817 817 817 817

n/a n/a 558 558 558 558 558 558 558 558

1 1 817 817 806 758 691 605 500 380

558 548 520 472 410 345 279 211

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

500x300 98 3440 543 543 543 543 512 483 217 217

0.508*

281 281 281 281 281 281 281 281

0 - - - - - - - -

- - - - - - - -

122 4260 710 710 710 710 710 683 646 622

0.777*

401 401 401 401 401 401 401 401

0.426 710 705 681 639 581 - - -

- - - - - - - -

151 5280 869 869 869 869 869 869 869 869

n/a 1 569 569 569 569 569 569 569 569

1 0 869 869 838 788 717 625 514 388

Mry

   12.5 ~ Mcx

Mcy

Mrx

Mry

   16.0 ~ Mcx

Mcy

Mrx

Mry

   8.0 ~ Mcx

Mcy

Mrx

Mry

   10.0 ~ Mcx

Mcy

Mrx

Mry

   12.5 ~ Mcx

Mcy

Mrx

Mry

   16.0 Mcx

Mcy

Mrx

Mry

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   8.0 ~ Mcx

Mcy

Mrx

Mry

   10.0 ~ Mcx

Mcy

Mrx

Mry

   12.5 ~ Mcx

Mcy

Mrx

Page 119: Steel Section Capacities BS 5950 Spreadsheet

- - - - - - - -

191 6680 1080 1080 1080 1080 1080 1080 1080 1080

n/a n/a 771 771 771 771 771 771 771 771

1 1 1080 1080 1050 987 898 784 645 488

771 758 720 657 571 480 388 293

235 7950 1260 1260 1260 1260 1260 1260 1260 1260

n/a n/a 903 903 903 903 903 903 903 903

1 1 1260 1260 1230 1160 1060 922 758 577

903 888 843 769 671 565 457 347

Mry

   16.0 ~ Mcx

Mcy

Mrx

Mry

   20.0 ~ Mcx

Mcy

Mrx

Mry

Page 120: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

for and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5

mm mm

1.87 1.87 1.87 50x30 1 112 88.1 59.7 40.7 29.1 21.8

1.36 1.36 1.36 87.1 48 28.5 18.7 13.1 9.74

0.611 0.311 0 1 1.87 1.87 1.87 1.87 1.87 1.87

0.367 0.187 0

2.91 2.91 2.91 60x40 1 141 125 97.7 70.8 51.8 39.2

2.25 2.25 2.25 130 93.6 60 40.2 28.6 21.3

0.891 0.451 0 1 2.91 2.91 2.91 2.91 2.91 2.91

0.595 0.301 0

3.6 3.6 3.6 1 183 161 124 89.1 65.1 49.1

2.81 2.81 2.81 167 117 74.5 49.8 35.4 26.3

1.15 0.583 0 1 3.6 3.6 3.6 3.6 3.6 3.6

0.766 0.389 0

4.19 4.19 4.19 1 221 192 146 104 75.7 57.1

3.22 3.22 3.22 200 137 86.4 57.6 40.8 30.4

1.38 0.705 0 1 4.19 4.19 4.19 4.19 4.19 4.19

0.922 0.471 0

4.72 4.72 4.72 80x40 1 189 177 159 132 104 80.7

3.03 3.03 3.03 170 126 81.8 55.1 39.2 29.3

1.54 0.778 0 1 4.72 4.72 4.72 4.72 4.72 4.72

0.769 0.389 0

5.64 5.64 5.64 1 231 217 194 159 124 96.7

3.63 3.63 3.63 207 150 96.2 64.6 45.9 34.2

1.87 0.952 0 1 5.64 5.64 5.64 5.64 5.64 5.64

0.939 0.476 0

6.63 6.63 6.63 1 281 263 233 190 147 114

4.26 4.26 4.26 249 176 112 75 53.3 39.7

2.26 1.15 0 1 6.63 6.63 6.63 6.63 6.63 6.63

1.14 0.578 0

7.69 7.69 7.69 1 343 320 280 225 173 134

4.82 4.82 4.82 299 204 128 85.3 60.5 45

2.74 1.41 0 1 7.69 7.69 7.69 7.69 7.69 7.69

1.38 0.704 0

8.74 8.74 8.74 1 418 387 334 263 200 154

5.31 5.31 5.31 356 233 144 95.3 67.4 50.1

3.3 1.7 0 1 8.74 8.74 8.74 8.74 8.74 8.74

1.66 0.856 0

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   3.2 ~ Pcx

   pyZx = 1.56 Pcy

   pyZy = 1.14 Mb

   3.0 ~ Pcx

   pyZx = 2.43 Pcy

   pyZy = 1.91 Mb

   4.0 ~ Pcx

   pyZx = 3 Pcy

   pyZy = 2.34 Mb

   5.0 ~ Pcx

   pyZx = 3.49 Pcy

   pyZy = 2.69 Mb

   3.2 ~ Pcx

   pyZx = 3.93 Pcy

   pyZy = 2.6 Mb

   4.0 ~ Pcx

   pyZx = 4.7 Pcy

   pyZy = 3.05 Mb

   5.0 ~ Pcx

   pyZx = 5.53 Pcy

   pyZy = 3.55 Mb

   6.3 ~ Pcx

   pyZx = 6.41 Pcy

   pyZy = 4.01 Mb

   8.0 ~ Pcx

   pyZx = 7.29 Pcy

   pyZy = 4.43 Mb

Page 121: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5

mm mm

7.19 7.19 7.19 90x50 1 251 240 223 197 164 132

4.95 4.95 4.95 237 204 151 107 77.5 58.3

2.28 1.15 0 1 7.19 7.19 7.19 7.19 7.19 7.19

1.27 0.641 0

9.34 9.34 9.34 1 339 323 299 261 215 172

6.46 6.46 6.46 319 269 196 137 99.2 74.5

3.05 1.55 0 1 9.34 9.34 9.34 9.34 9.34 9.34

1.7 0.862 0

11 11 11 1 415 395 364 316 257 205

7.52 7.52 7.52 389 323 230 160 115 86.3

3.71 1.9 0 1 11 11 11 11 11 11

2.07 1.05 0

7.23 7.23 7.23 100x50 1 229 221 209 191 166 139

4.62 4.62 4.62 216 188 142 101 73.5 55.3

2.31 1.16 0 1 7.23 7.23 7.23 7.23 7.23 7.23

1.15 0.582 0

7.66 7.66 7.66 1 244 235 222 203 176 147

4.87 4.87 4.87 230 199 150 107 77.4 58.3

2.45 1.24 0 1 7.66 7.66 7.66 7.66 7.66 7.66

1.23 0.618 0

11 11 11 1 368 354 333 302 260 214

7.1 7.1 7.1 344 293 215 151 109 81.9

3.66 1.86 0 1 11 11 11 11 11 11

1.83 0.93 0

13 13 13 1 452 434 408 368 314 257

8.32 8.32 8.32 421 352 253 176 127 95.1

4.47 2.28 0 1 13 13 13 13 13 13

2.24 1.14 0

15.2 15.2 15.2 1 554 531 496 444 374 304

9.47 9.47 9.47 513 419 294 202 145 109

5.42 2.78 0 1 15.2 15.2 15.2 15.2 15.2 15.2

2.72 1.39 0

17.1 17.1 17.1 1 664 634 589 520 431 347

10.4 10.4 10.4 608 480 326 223 159 119

6.43 3.32 0 1 17.1 17.1 17.1 17.1 17.1 17.1

3.24 1.67 0

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   3.6 ~ Pcx

   pyZx = 6 Pcy

   pyZy = 4.26 Mb

   5.0 ~ Pcx

   pyZx = 7.78 Pcy

   pyZy = 5.42 Mb

   6.3 ~ Pcx

   pyZx = 9.16 Pcy

   pyZy = 6.27 Mb

   3.0 ~ Pcx

   pyZx = 6.02 Pcy

   pyZy = 4.04 Mb

   3.2 ~ Pcx

   pyZx = 6.38 Pcy

   pyZy = 4.26 Mb

   5.0 ~ Pcx

   pyZx = 9.16 Pcy

   pyZy = 5.97 Mb

   6.3 ~ Pcx

   pyZx = 10.8 Pcy

   pyZy = 6.93 Mb

   8.0 ~ Pcx

   pyZx = 12.7 Pcy

   pyZy = 7.89 Mb

   10.0 Pcx

   pyZx = 14.2 Pcy

   pyZy = 8.64 Mb

Page 122: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5

mm mm

9.54 9.54 9.54 100x60 1 293 282 268 247 216 182

6.85 6.85 6.85 283 259 217 166 124 94.7

2.94 1.48 0 1 9.54 9.54 9.54 9.54 9.54 9.54

1.76 0.891 0

12.5 12.5 12.5 1 395 380 360 329 286 239

9.05 9.05 9.05 380 345 286 215 160 122

3.93 1.99 0 1 12.5 12.5 12.5 12.5 12.5 12.5

2.36 1.2 0

14.9 14.9 14.9 1 486 467 441 401 347 287

10.8 10.8 10.8 466 422 344 257 190 145

4.81 2.45 0 1 14.9 14.9 14.9 14.9 14.9 14.9

2.89 1.47 0

17.4 17.4 17.4 1 600 576 542 489 419 344

12.5 12.5 12.5 574 514 410 301 222 168

5.89 3.01 0 1 17.4 17.4 17.4 17.4 17.4 17.4

3.55 1.81 0

12.5 12.5 12.5 120x60 1 334 325 313 297 275 246

7.95 7.95 7.95 320 294 249 193 145 111

3.99 2.01 0 1 12.5 12.5 12.5 12.5 12.5 12.5

1.99 1.01 0

16.5 16.5 16.5 1 453 440 424 402 370 329

10.6 10.6 10.6 433 396 331 252 189 144

5.37 2.72 0 1 16.5 16.5 16.5 16.5 16.5 16.5

2.69 1.36 0

19.7 19.7 19.7 1 561 544 524 495 455 402

12.7 12.7 12.7 535 486 400 302 224 171

6.61 3.36 0 1 19.7 19.7 19.7 19.7 19.7 19.7

3.31 1.68 0

23.4 23.4 23.4 1 693 672 645 608 555 487

14.9 14.9 14.9 658 593 480 356 263 200

8.1 4.14 0 1 23.4 23.4 23.4 23.4 23.4 23.4

4.06 2.07 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   3.6 ~ Pcx

   pyZx = 7.95 Pcy

   pyZy = 5.94 Mb

   5.0 ~ Pcx

   pyZx = 10.4 Pcy

   pyZy = 7.67 Mb

   6.3 ~ Pcx

   pyZx = 12.4 Pcy

   pyZy = 8.99 Mb

   8.0 ~ Pcx

   pyZx = 14.5 Pcy

   pyZy = 10.4 Mb

   3.6 ~ Pcx

   pyZx = 10.4 Pcy

   pyZy = 6.99 Mb

   5.0 ~ Pcx

   pyZx = 13.7 Pcy

   pyZy = 9.05 Mb

   6.3 ~ Pcx

   pyZx = 16.4 Pcy

   pyZy = 10.7 Mb

   8.0 ~ Pcx

   pyZx = 19.5 Pcy

   pyZy = 12.4 Mb

HOT-FINISHED   CELSIUS

Page 123: Steel Section Capacities BS 5950 Spreadsheet

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5

mm mm

20.1 20.1 20.1 120x80 1 508 495 478 456 425 384

15.4 15.4 15.4 498 475 441 389 322 259

6.04 3.05 0 1 20.1 20.1 20.1 20.1 20.1 20.1

4.03 2.04 0

24.2 24.2 24.2 1 630 613 592 563 523 470

18.8 18.8 18.8 617 588 544 475 390 312

7.46 3.78 0 1 24.2 24.2 24.2 24.2 24.2 24.2

4.97 2.52 0

28.9 28.9 28.9 1 781 759 732 695 642 573

22.5 22.5 22.5 765 727 668 578 470 374

9.19 4.67 0 1 28.9 28.9 28.9 28.9 28.9 28.9

6.13 3.12 0

33.5 33.5 33.5 1 946 918 884 836 769 680

25.8 25.8 25.8 924 876 799 681 547 431

11 5.64 0 1 33.5 33.5 33.5 33.5 33.5 33.5

7.37 3.76 0

32.5 32.5 32.5 150x100 1 651 638 624 607 585 558

24.8 24.8 24.8 641 622 597 562 513 450

9.61 4.85 0 1 32.5 32.5 32.5 32.5 32.5 32.5

6.41 3.23 0

39.6 39.6 39.6 1 810 794 776 754 727 692

30.3 30.3 30.3 798 773 741 696 632 551

11.9 6.02 0 1 39.6 39.6 39.6 39.6 39.6 39.6

7.95 4.01 0

47.9 47.9 47.9 1 1010 989 966 938 903 857

37.1 37.1 37.1 994 962 921 862 779 674

14.8 7.49 0 1 47.9 47.9 47.9 47.9 47.9 47.9

9.86 4.99 0

56.4 56.4 56.4 1 1230 1210 1180 1140 1100 1040

43.9 43.9 43.9 1210 1170 1120 1040 933 800

17.9 9.11 0 1 56.4 56.4 56.4 56.4 56.4 56.4

12 6.07 0

65.3 65.3 65.3 1 1500 1460 1430 1380 1320 1250

50.5 50.5 50.5 1470 1420 1350 1250 1110 939

21.6 11 0 1 65.3 65.3 65.3 65.3 65.3 65.3

14.4 7.36 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   5.0 ~ Pcx

   pyZx = 16.7 Pcy

   pyZy = 13.3 Mb

   6.3 Pcx

   pyZx = 20.2 Pcy

   pyZy = 15.8 Mb

   8.0 Pcx

   pyZx = 24.1 Pcy

   pyZy = 18.7 Mb

   10.0 ~ Pcx

   pyZx = 27.9 Pcy

   pyZy = 21.5 Mb

   5.0 ~ Pcx

   pyZx = 27.1 Pcy

   pyZy = 21.6 Mb

   6.3 Pcx

   pyZx = 33 Pcy

   pyZy = 26.1 Mb

   8.0 ~ Pcx

   pyZx = 39.9 Pcy

   pyZy = 31.4 Mb

   10.0 ~ Pcx

   pyZx = 47 Pcy

   pyZy = 36.6 Mb

   12.5 ~ Pcx

   pyZx = 54.5 Pcy

   pyZy = 42.1 Mb

HOT-FINISHED   CELSIUS

Page 124: Steel Section Capacities BS 5950 Spreadsheet

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5

mm mm

25.2 25.2 25.2 160x80 1 506 496 486 473 458 439

14.8 14.8 14.8 492 471 441 395 334 272

7.97 4.02 0 1 25.2 25.2 25.2 25.2 25.2 25.2

- - -

30.7 30.7 30.7 1 624 612 599 583 564 539

19.6 19.6 19.6 606 580 542 483 406 329

9.8 4.95 0 1 30.7 30.7 30.7 30.7 30.7 30.7

4.9 2.47 0

37.3 37.3 37.3 1 775 760 743 724 699 668

23.9 23.9 23.9 752 719 670 593 495 400

12.1 6.13 0 1 37.3 37.3 37.3 37.3 37.3 37.3

6.06 3.07 0

44.9 44.9 44.9 1 966 947 926 901 869 828

29.2 29.2 29.2 937 894 828 726 599 480

15 7.63 0 1 44.9 44.9 44.9 44.9 44.9 44.9

7.52 3.82 0

53.1 53.1 53.1 1 1180 1150 1130 1090 1050 1000

34 34 34 1140 1080 998 866 706 562

18.2 9.26 0 1 53.1 53.1 53.1 53.1 53.1 53.1

9.1 4.63 0

49.2 49.2 49.2 200x100 1 789 783 771 758 743 725

28.9 28.9 28.9 778 755 727 688 633 561

15.5 7.83 0 1 49.2 49.2 49.2 49.2 49.2 49.2

- - -

60.4 60.4 60.4 1 984 977 961 944 925 903

38.5 38.5 38.5 970 941 905 855 784 691

19.3 9.75 0 1 60.4 60.4 60.4 60.4 60.4 60.4

9.66 4.88 0

73.6 73.6 73.6 1 1230 1220 1200 1180 1160 1130

47.3 47.3 47.3 1210 1180 1130 1060 968 848

24 12.2 0 1 73.6 73.6 73.6 73.6 73.6 73.6

12 6.09 0

87.8 87.8 87.8 1 1510 1500 1470 1440 1410 1380

56.7 56.7 56.7 1480 1440 1380 1290 1170 1020

29.3 14.9 0 1 87.8 87.8 87.8 87.8 87.8 87.8

14.7 7.44 0

104 104 104 1 1850 1830 1800 1760 1720 1680

66.3 66.3 66.3 1810 1750 1670 1560 1400 1200

35.5 18.1 0 1 104 104 104 104 104 104

17.8 9.06 0

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   4.0 ~ Pcx

   pyZx = 21 Pcy

   pyZy = 14.2 Mb

   5.0 ~ Pcx

   pyZx = 25.6 Pcy

   pyZy = 17.1 Mb

   6.3 Pcx

   pyZx = 31.1 Pcy

   pyZy = 20.6 Mb

   8.0 Pcx

   pyZx = 37.4 Pcy

   pyZy = 24.5 Mb

   10.0 ~ Pcx

   pyZx = 44.3 Pcy

   pyZy = 28.3 Mb

   5.0 ~ Pcx

   pyZx = 41 Pcy

   pyZy = 27.8 Mb

   6.3 ~ Pcx

   pyZx = 50.3 Pcy

   pyZy = 33.8 Mb

   8.0 Pcx

   pyZx = 61.3 Pcy

   pyZy = 40.7 Mb

   10.0 Pcx

   pyZx = 73.2 Pcy

   pyZy = 47.9 Mb

   12.5 Pcx

   pyZx = 86.4 Pcy

   pyZy = 55.3 Mb

Page 125: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5

mm mm

55.4 55.4 55.4 200x120 1 844 839 826 812 797 779

36.4 36.4 36.4 839 820 798 770 734 685

16.7 8.39 0 1 55.4 55.4 55.4 55.4 55.4 55.4

- - -

68.3 68.3 68.3 1 1050 1050 1030 1010 993 970

48.7 48.7 48.7 1050 1020 994 958 911 848

20.7 10.4 0 1 68.3 68.3 68.3 68.3 68.3 68.3

12.4 6.27 0

83.5 83.5 83.5 1 1320 1310 1290 1270 1240 1210

60 60 60 1310 1280 1240 1200 1140 1050

25.8 13.1 0 1 83.5 83.5 83.5 83.5 83.5 83.5

15.5 7.84 0

100 100 100 1 1620 1610 1580 1550 1520 1490

72.3 72.3 72.3 1610 1570 1520 1460 1380 1280

31.5 16 0 1 100 100 100 100 100 100

18.9 9.59 0

98 98 98 200x150 1 1450 1440 1420 1400 1370 1340

80.9 80.9 80.9 1450 1430 1400 1370 1330 1270

28.5 14.4 0 1 98 98 98 98 98 98

21.4 10.8 0

118 118 118 1 1780 1770 1750 1720 1690 1650

97.9 97.9 97.9 1780 1750 1720 1680 1620 1560

34.9 17.6 0 1 118 118 118 118 118 118

26.2 13.2 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   5.0 ~ Pcx

   pyZx = 46.2 Pcy

   pyZy = 34.9 Mb

   6.3 ~ Pcx

   pyZx = 56.9 Pcy

   pyZy = 42.6 Mb

   8.0 ~ Pcx

   pyZx = 69.6 Pcy

   pyZy = 51.7 Mb

   10.0 ~ Pcx

   pyZx = 83.3 Pcy

   pyZy = 61.3 Mb

   8.0 ~ Pcx

   pyZx = 81.7 Pcy

   pyZy = 69.6 Mb

   10.0 ~ Pcx

   pyZx = 98.2 Pcy

   pyZy = 83.1 Mb

HOT-FINISHED   CELSIUS

Page 126: Steel Section Capacities BS 5950 Spreadsheet

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 2 3 4 5 6 7

mm mm

125 125 125 250x100 1 1760 1710 1650 1570 1450 1290

69 69 69 1630 1400 1040 737 534 402

43.3 22 0 1 125 125 125 125 125 125

17.4 8.8 0

149 149 149 1 2160 2100 2020 1910 1760 1560

82.2 82.2 82.2 1990 1690 1240 866 626 470

52.7 26.9 0 1 149 149 149 149 149 149

21.2 10.8 0

53.6 53.6 $ 250x150 0.777 1050 1030 997 956 901 826

50.2 50.2 $ 1030 980 905 790 648 518

- - - 0.777 74 74 74 74 74 74

- - - 0.426 88.8 88.8 88.8 88.8 88.8 88.8

109 109 109 1 1320 1290 1250 1190 1120 1030

72 72 72 1290 1220 1130 980 801 638

32.8 16.5 0 1 109 109 109 109 109 109

- - -

135 135 135 1 1660 1610 1560 1500 1410 1280

96.3 96.3 96.3 1610 1530 1410 1220 990 786

41.1 20.7 0 1 135 135 135 135 135 135

24.7 12.4 0

163 163 163 1 2040 1990 1920 1840 1720 1570

117 117 117 1990 1880 1730 1480 1200 946

50.4 25.5 0 1 163 163 163 163 163 163

30.3 15.3 0

195 195 195 1 2510 2440 2360 2250 2110 1910

141 141 141 2440 2310 2100 1790 1440 1130

61.6 31.2 0 1 195 195 195 195 195 195

37 18.8 0

234 234 234 1 3120 3040 2940 2800 2610 2350

170 170 170 3040 2870 2590 2180 1720 1350

76.3 38.9 0 1 234 234 234 234 234 234

45.9 23.3 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 2 3 4 5 6 7

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   10.0 ~ Pcx

   pyZx = 104 Pcy

   pyZy = 58.9 Mb

   12.5 ~ Pcx

   pyZx = 124 Pcy

   pyZy = 68.5 Mb

 § 5.0 ~ Pcx

   pyZx = 74.0 Pcy

   pyZy = 56.1 Mb

Mb

   6.3 Pcx

   pyZx = 91.0 Pcy

   pyZy = 68.8 Mb

   8.0 ~ Pcx

   pyZx = 112 Pcy

   pyZy = 84.2 Mb

   10.0 ~ Pcx

   pyZx = 136 Pcy

   pyZy = 101 Mb

   12.5 Pcx

   pyZx = 163 Pcy

   pyZy = 120 Mb

   16.0 ~ Pcx

   pyZx = 195 Pcy

   pyZy = 142 Mb

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

Page 127: Steel Section Capacities BS 5950 Spreadsheet

mm mm

139 139 139 300x100 1 1660 1630 1580 1530 1460 1370

64.5 64.5 64.5 1540 1340 1030 734 534 403

49.1 24.8 0 1 139 139 139 139 139 139

- - -

168 168 168 1 2050 2000 1950 1880 1800 1680

81.4 81.4 81.4 1890 1640 1230 875 636 479

60.1 30.5 0 1 168 168 168 168 168 168

20.1 10.2 0

150 115 $ 300x200 0.845 1680 1640 1610 1560 1510 1440

107 107 $ 1650 1600 1540 1460 1340 1180

- - - 0.845 144 144 144 144 144 144

- - - 0.46 172 172 172 172 172 172

214 214 214 1 2110 2070 2020 1970 1900 1820

155 155 155 2080 2020 1940 1830 1670 1470

62.5 31.5 0 1 214 214 214 214 214 214

- - -

260 260 260 1 2610 2560 2500 2430 2350 2240

198 198 198 2570 2490 2390 2250 2050 1800

77 38.8 0 1 260 260 260 260 260 260

51.3 25.9 0

314 314 314 1 3210 3150 3070 2990 2880 2740

241 241 241 3160 3070 2940 2760 2510 2190

94.5 47.8 0 1 314 314 314 314 314 314

63 31.8 0

382 382 382 1 4030 3950 3860 3750 3610 3430

297 297 297 3970 3840 3680 3440 3110 2690

118 59.8 0 1 382 382 382 382 382 382

78.8 39.9 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 2 3 4 5 6 7

mm mm

195 195 $ 400x200 0.777 2550 2530 2490 2450 2400 2350

163 163 $ 2520 2450 2360 2230 2060 1830

- - - 0.777 269 269 269 269 269 269

- - - 0.455 323 323 323 323 323 323

395 395 395 1 3160 3140 3090 3030 2970 2900

231 231 231 3110 3020 2910 2760 2540 2250

124 62.7 0 1 395 395 395 395 395 395

   8.0 ~ Pcx

   pyZx = 116 Pcy

   pyZy = 59.4 Mb

   10.0 ~ Pcx

   pyZx = 140 Pcy

   pyZy = 70.1 Mb

 § 6.3 ~ Pcx

   pyZx = 144 Pcy

   pyZy = 115 Mb

Mb

   8.0 ~ Pcx

   pyZx = 178 Pcy

   pyZy = 142 Mb

   10.0 ~ Pcx

   pyZx = 217 Pcy

   pyZy = 173 Mb

   12.5 ~ Pcx

   pyZx = 262 Pcy

   pyZy = 207 Mb

   16.0 Pcx

   pyZx = 319 Pcy

   pyZy = 251 Mb

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

 § 8.0 ~ Pcx

   pyZx = 269 Pcy

   pyZy = 183 Mb

Mb

   10.0 ~ Pcx

   pyZx = 329 Pcy

   pyZy = 222 Mb

Page 128: Steel Section Capacities BS 5950 Spreadsheet

- - -

479 479 479 1 3910 3880 3820 3750 3670 3580

306 306 306 3850 3740 3590 3390 3110 2740

153 77.4 0 1 479 479 479 479 479 479

76.7 38.7 0

590 590 590 1 4920 4880 4800 4720 4620 4500

378 378 378 4840 4700 4510 4250 3870 3390

192 97.3 0 1 590 590 590 590 590 590

96.2 48.7 0

207 $ $ 450x250 0.627 3000 2990 2950 2910 2870 2820

220 $ $ 2990 2920 2850 2770 2660 2510

- - - 0.627 368 368 368 368 368 368

- - - 0.314 441 441 441 441 441 441

515 479 $ 0.929 3710 3700 3660 3600 3550 3480

315 315 $ 3700 3620 3530 3420 3280 3100

- - - 0.929 451 451 451 451 451 451

- - - 0.563 541 541 541 541 541 541

660 660 660 1 4590 4580 4520 4460 4390 4310

440 440 440 4570 4470 4360 4220 4050 3810

203 103 0 1 660 660 660 660 660 660

- - -

817 817 817 1 5800 5790 5710 5630 5530 5430

558 558 558 5770 5650 5500 5320 5080 4770

256 129 0 1 817 817 817 817 817 817

142 71.8 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 2 3 4 5 6 7

mm mm

217 $ $ 500x300 0.508 3440 3440 3410 3370 3320 3280

281 $ $ 3440 3390 3330 3250 3170 3060

- - - 0.508 481 481 481 481 481 481

- - -

428 428 $ 0.777 4260 4260 4220 4170 4120 4060

401 401 $ 4260 4200 4120 4030 3930 3800

- - - 0.777 591 591 591 591 591 591

- - - 0.426 710 710 710 710 710 710

869 869 869 1 5280 5280 5230 5170 5100 5020

569 569 569 5280 5200 5100 4990 4860 4690

260 131 0 1 869 869 869 869 869 869

   12.5 ~ Pcx

   pyZx = 400 Pcy

   pyZy = 268 Mb

   16.0 ~ Pcx

   pyZx = 491 Pcy

   pyZy = 325 Mb

 § 8.0 ~ Pcx

   pyZx = 368 Pcy

   pyZy = 267 Mb

Mb

 § 10.0 ~ Pcx

   pyZx = 451 Pcy

   pyZy = 326 Mb

Mb

   12.5 ~ Pcx

   pyZx = 550 Pcy

   pyZy = 395 Mb

   16.0 Pcx

   pyZx = 681 Pcy

   pyZy = 485 Mb

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

 § 8.0 ~ Pcx

   pyZx = 481 Pcy

   pyZy = 366 Mb

 § 10.0 ~ Pcx

   pyZx = 591 Pcy

   pyZy = 448 Mb

Mb

   12.5 ~ Pcx

   pyZx = 724 Pcy

   pyZy = 546 Mb

Page 129: Steel Section Capacities BS 5950 Spreadsheet

- - -

1080 1080 1080 1 6680 6680 6620 6530 6450 6350

771 771 771 6680 6580 6450 6310 6130 5910

328 166 0 1 1080 1080 1080 1080 1080 1080

197 99.4 0

1260 1260 1260 1 7950 7950 7870 7780 7670 7560

903 903 903 7950 7830 7670 7500 7290 7020

389 197 0 1 1260 1260 1260 1260 1260 1260

234 118 0

   16.0 ~ Pcx

   pyZx = 900 Pcy

   pyZy = 674 Mb

   20.0 ~ Pcx

   pyZx = 1050 Pcy

   pyZy = 779 Mb

Page 130: Steel Section Capacities BS 5950 Spreadsheet

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

for

4 5 6 7 8 9 10

16.9 10.9 7.67 5.67 4.36 3.46 2.81

7.5 4.84 3.38 2.5 1.92 1.52 1.23

1.87 1.87 1.8 1.74 1.68 1.62 1.56

30.5 19.9 14 10.4 8 6.35 5.16

16.5 10.7 7.48 5.53 4.25 3.37 2.74

2.91 2.91 2.91 2.91 2.91 2.8 2.74

38.2 25 17.6 13 10 7.95 6.46

20.4 13.2 9.23 6.82 5.24 4.16 3.37

3.6 3.6 3.6 3.6 3.6 3.52 3.45

44.4 29 20.4 15.1 11.6 9.21 7.49

23.5 15.2 10.6 7.86 6.04 4.79 3.89

4.19 4.19 4.19 4.19 4.19 4.16 4.07

63.9 42.4 30 22.3 17.2 13.7 11.1

22.6 14.7 10.3 7.6 5.84 4.63 3.76

4.72 4.72 4.43 4.26 4.11 3.96 3.83

76.4 50.6 35.8 26.6 20.5 16.3 13.3

26.5 17.2 12 8.88 6.83 5.41 4.39

5.64 5.64 5.32 5.12 4.93 4.75 4.57

90 59.6 42.1 31.3 24.1 19.2 15.6

30.7 19.9 13.9 10.3 7.9 6.26 5.09

6.63 6.63 6.31 6.07 5.83 5.61 5.4

105 69.4 49.1 36.4 28.1 22.3 18.2

34.8 22.5 15.8 11.6 8.95 7.09 5.76

7.69 7.69 7.42 7.11 6.83 6.56 6.3

121 79.5 56.1 41.6 32.1 25.5 20.8

38.7 25.1 17.5 12.9 9.94 7.88 6.4

8.74 8.74 8.55 8.18 7.83 7.5 7.19

HOT-FINISHED   CELSIUS

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 131: Steel Section Capacities BS 5950 Spreadsheet

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

for

4 5 6 7 8 9 10

106 71.2 50.7 37.8 29.2 23.3 19

45.3 29.6 20.8 15.4 11.8 9.39 7.63

7.19 7.19 7.19 7.19 7.19 6.74 6.58

138 92.5 65.7 49 37.9 30.2 24.6

57.9 37.7 26.5 19.6 15.1 12 9.72

9.34 9.34 9.34 9.34 9.07 8.84 8.62

164 110 77.8 58 44.8 35.7 29

67 43.6 30.6 22.6 17.4 13.8 11.2

11 11 11 11 10.8 10.5 10.2

114 77.8 55.8 41.7 32.3 25.8 21

43 28.1 19.7 14.6 11.2 8.93 7.25

7.23 7.23 7.23 7.23 6.65 6.46 6.28

120 82.3 59 44.1 34.2 27.2 22.2

45.4 29.6 20.8 15.4 11.8 9.4 7.64

7.66 7.66 7.66 7.66 7.04 6.84 6.64

175 119 85 63.5 49.2 39.2 32

63.6 41.5 29.1 21.5 16.6 13.2 10.7

11 11 11 10.6 10.2 9.92 9.63

209 142 101 75.6 58.5 46.6 38

73.8 48.1 33.7 25 19.2 15.2 12.4

13 13 13 12.6 12.2 11.8 11.5

246 166 118 88.3 68.3 54.4 44.3

84.5 55 38.6 28.5 21.9 17.4 14.1

15.2 15.2 15.2 14.9 14.4 13.9 13.5

279 187 133 99.5 76.9 61.2 49.9

92.3 60 42 31.1 23.9 19 15.4

17.1 17.1 17.1 17 16.4 15.8 15.3

HOT-FINISHED   CELSIUS

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 132: Steel Section Capacities BS 5950 Spreadsheet

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

for

4 5 6 7 8 9 10

150 103 73.8 55.2 42.8 34.1 27.8

74.1 48.7 34.3 25.5 19.6 15.6 12.7

9.54 9.54 9.54 9.54 9.54 9.54 9.54

196 134 96 71.8 55.6 44.3 36.2

95.5 62.6 44.1 32.7 25.2 20 16.3

12.5 12.5 12.5 12.5 12.5 12.5 12.5

235 160 114 85.6 66.3 52.8 43.1

113 74 52.1 38.6 29.8 23.6 19.2

14.9 14.9 14.9 14.9 14.9 14.9 14.9

280 190 136 101 78.5 62.6 51

131 85.7 60.3 44.7 34.4 27.3 22.2

17.4 17.4 17.4 17.4 17.4 17.4 17.4

213 154 112 84.8 66 52.8 43.1

86.9 57.1 40.3 29.9 23 18.3 14.9

12.5 12.5 12.5 12.5 12.5 11.7 11.4

283 203 148 112 86.9 69.4 56.7

113 74 52.2 38.7 29.8 23.7 19.3

16.5 16.5 16.5 16.5 16.5 15.5 15.1

344 245 178 134 104 83.4 68.1

133 87.5 61.6 45.7 35.2 28 22.7

19.7 19.7 19.7 19.7 19.7 18.7 18.2

414 293 213 160 124 99.3 81.1

156 102 71.9 53.3 41.1 32.6 26.5

23.4 23.4 23.4 23.4 23 22.3 21.7

AXIAL LOAD & BENDING

<>

HOT-FINISHED   CELSIUS

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

HOT-FINISHED   CELSIUS

Page 133: Steel Section Capacities BS 5950 Spreadsheet

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

for

4 5 6 7 8 9 10

335 244 179 136 106 84.6 69.1

208 140 99.5 74.2 57.4 45.7 37.2

20.1 20.1 20.1 20.1 20.1 20.1 20.1

409 296 217 164 128 102 83.5

250 168 119 88.8 68.6 54.6 44.5

24.2 24.2 24.2 24.2 24.2 24.2 24.2

495 356 260 196 153 122 99.6

298 199 142 106 81.6 64.9 52.8

28.9 28.9 28.9 28.9 28.9 28.9 28.9

583 416 303 228 178 142 116

343 229 162 121 93.3 74.2 60.4

33.5 33.5 33.5 33.5 33.5 33.5 33.5

522 430 335 261 206 166 136

382 270 196 147 115 91.5 74.7

32.5 32.5 32.5 32.5 32.5 32.5 32.5

646 528 410 319 252 203 166

466 328 237 178 139 111 90.4

39.6 39.6 39.6 39.6 39.6 39.6 39.6

798 647 501 387 306 246 202

567 397 287 215 167 134 109

47.9 47.9 47.9 47.9 47.9 47.9 47.9

961 772 593 458 360 290 238

669 465 335 252 195 156 127

56.4 56.4 56.4 56.4 56.4 56.4 56.4

1150 912 695 535 421 338 277

779 538 387 290 225 179 146

65.3 65.3 65.3 65.3 65.3 65.3 65.3

AXIAL LOAD & BENDING

<>

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

HOT-FINISHED   CELSIUS

Page 134: Steel Section Capacities BS 5950 Spreadsheet

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

for

4 5 6 7 8 9 10

413 346 274 214 170 137 113

220 149 106 79.2 61.3 48.8 39.8

25.2 25.2 25.2 25.2 25.2 25.2 25.2

508 423 333 260 206 167 137

266 180 128 95.5 73.9 58.8 47.9

30.7 30.7 30.7 30.7 30.7 30.7 30.7

627 520 408 318 252 203 167

322 217 154 115 89.1 71 57.8

37.3 37.3 37.3 37.3 37.3 37.3 37.3

775 637 497 386 305 246 202

385 259 184 137 106 84.4 68.7

44.9 44.9 44.9 44.9 44.9 44.9 44.9

934 760 589 456 360 290 238

450 301 214 159 123 97.9 79.7

53.1 53.1 53.1 53.1 53.1 53.1 53.1

703 645 563 471 387 318 265

481 344 250 188 147 117 95.7

49.2 49.2 49.2 49.2 49.2 49.2 49.2

875 801 696 580 476 392 325

591 420 305 230 179 143 117

60.4 60.4 60.4 60.4 60.4 60.4 60.4

1090 995 861 714 584 479 398

720 509 369 277 216 172 141

73.6 73.6 73.6 73.6 73.6 73.6 73.6

1330 1210 1040 857 699 573 475

858 602 436 328 254 203 166

87.8 87.8 87.8 87.8 87.8 87.8 87.8

1620 1460 1250 1020 830 680 563

1010 702 506 380 295 235 192

104 104 104 104 104 104 104

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 135: Steel Section Capacities BS 5950 Spreadsheet

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

for

4 5 6 7 8 9 10

757 699 617 521 431 356 297

622 481 362 277 217 174 143

55.4 55.4 55.4 55.4 55.4 55.4 55.4

943 869 764 643 531 438 365

768 589 442 338 265 212 174

68.3 68.3 68.3 68.3 68.3 68.3 68.3

1180 1080 948 794 654 539 448

950 723 541 412 323 259 212

83.5 83.5 83.5 83.5 83.5 83.5 83.5

1440 1320 1150 959 787 647 538

1140 863 643 489 383 307 251

100 100 100 100 100 100 100

1310 1210 1070 911 756 626 522

1210 1030 829 654 521 422 347

98 98 98 98 98 98 98

1600 1480 1310 1100 913 754 629

1480 1250 1000 787 625 506 416

118 118 118 118 118 118 118

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

HOT-FINISHED   CELSIUS

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

HOT-FINISHED   CELSIUS

Page 136: Steel Section Capacities BS 5950 Spreadsheet

for

8 9 10 11 12 13 14

1120 947 802 682 585 506 441

312 249 204 169 143 122 106

125 125 125 125 114 112 109

1340 1130 959 815 698 604 526

365 292 238 198 167 143 124

149 149 149 139 136 133 130

735 638 548 471 406 353 309

415 337 278 233 197 170 147

74 74 74 74 74 74 74

88.8 88.8 88.8 88.8 88.8 88.8 88.8

913 791 679 583 502 436 381

510 414 341 286 242 208 181

109 109 109 109 109 109 109

1140 982 842 721 622 539 472

628 509 420 351 298 256 222

135 135 135 135 135 135 135

1380 1190 1020 874 753 653 571

754 611 503 421 357 307 266

163 163 163 163 163 163 163

1680 1440 1230 1050 904 784 685

901 729 600 502 425 365 317

195 195 195 195 195 195 195

2050 1750 1490 1270 1090 945 825

1070 866 712 595 504 433 375

234 234 234 234 234 234 234

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

for

8 9 10 11 12 13 14

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

HOT-FINISHED   CELSIUS

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 137: Steel Section Capacities BS 5950 Spreadsheet

1260 1120 984 856 745 651 572

313 251 205 170 144 123 106

139 139 123 120 116 113 110

1540 1370 1200 1040 903 788 692

372 297 243 202 171 146 126

168 168 149 144 140 136 132

1350 1250 1120 997 880 776 685

1010 850 717 609 521 450 393

144 144 144 144 144 144 144

172 172 172 172 172 172 172

1710 1570 1410 1250 1110 976 863

1260 1060 890 755 646 558 487

214 214 214 214 214 214 214

2100 1920 1730 1530 1350 1190 1050

1530 1280 1080 915 783 676 589

260 260 260 260 260 260 260

2560 2330 2090 1840 1620 1420 1260

1850 1550 1300 1100 941 813 708

314 314 314 314 314 314 314

3190 2900 2590 2280 2010 1760 1550

2260 1890 1580 1340 1140 986 858

382 382 382 382 382 382 382

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

for

8 9 10 11 12 13 14

2280 2190 2090 1970 1830 1680 1530

1580 1340 1130 962 824 713 622

269 269 269 269 269 269 269

323 323 323 323 323 323 323

2810 2710 2580 2430 2250 2070 1880

1930 1630 1380 1170 1000 867 756

395 395 395 395 395 395 395

HOT-FINISHED   CELSIUS

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 138: Steel Section Capacities BS 5950 Spreadsheet

3470 3340 3180 2980 2760 2530 2300

2350 1980 1670 1420 1210 1050 913

479 479 479 479 479 479 479

4360 4180 3970 3720 3430 3140 2850

2880 2420 2040 1730 1480 1280 1110

590 590 590 590 590 590 590

2760 2690 2600 2510 2390 2260 2110

2320 2100 1860 1630 1420 1250 1100

368 368 368 368 368 368 368

441 441 441 441 441 441 441

3410 3320 3220 3100 2950 2780 2600

2860 2570 2270 1990 1730 1520 1340

451 451 451 451 451 451 451

541 541 541 541 541 541 541

4210 4100 3970 3820 3630 3420 3190

3510 3150 2770 2420 2110 1850 1620

660 660 660 660 660 660 660

5310 5170 5000 4790 4550 4280 3980

4360 3890 3410 2970 2590 2260 1980

817 817 817 817 817 817 817

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

for

8 9 10 11 12 13 14

3220 3160 3090 3010 2920 2800 2680

2930 2760 2560 2330 2100 1880 1680

481 481 481 481 481 481 481

3990 3920 3830 3730 3610 3470 3310

3630 3420 3170 2890 2610 2330 2080

591 591 591 591 591 591 591

710 710 710 710 710 710 710

4940 4850 4740 4610 4460 4280 4080

4480 4220 3900 3550 3200 2860 2550

869 869 869 869 869 869 869

HOT-FINISHED   CELSIUS

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 139: Steel Section Capacities BS 5950 Spreadsheet

6240 6120 5980 5810 5610 5390 5120

5630 5290 4870 4420 3960 3530 3140

1080 1080 1080 1080 1080 1080 1080

7430 7290 7120 6930 6700 6440 6140

6690 6280 5790 5250 4710 4200 3740

1260 1260 1260 1260 1260 1260 1260

Page 140: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

50x30 3.61 163 2.42 2.42 2.42 2.42 2.42 2.42 2.42 2.42

n/a n/a 1.76 1.76 1.76 1.76 1.76 1.76 1.76 1.76

1 1 2.42 2.42 2.42 2.31 2.1 1.84 1.52 1.16

1.76 1.75 1.66 1.51 1.33 1.12 0.916 0.699

60x40 4.35 197 3.76 3.76 3.76 3.76 3.76 3.76 3.76 3.76

n/a n/a 2.91 2.91 2.91 2.91 2.91 2.91 2.91 2.91

1 1 3.76 3.76 3.69 3.46 3.14 2.73 2.24 1.7

2.91 2.86 2.73 2.5 2.19 1.85 1.5 1.14

5.64 255 4.64 4.64 4.64 4.64 4.64 4.64 4.64 4.64

n/a n/a 3.63 3.63 3.63 3.63 3.63 3.63 3.63 3.63

1 1 4.64 4.64 4.64 4.38 3.98 3.47 2.86 2.18

3.63 3.6 3.43 3.14 2.77 2.35 1.91 1.46

6.85 310 5.41 5.41 5.41 5.41 5.41 5.41 5.41 5.41

n/a n/a 4.16 4.16 4.16 4.16 4.16 4.16 4.16 4.16

1 1 5.41 5.41 5.41 5.21 4.74 4.13 3.41 2.62

4.16 4.16 4.06 3.72 3.28 2.79 2.28 1.75

80x40 5.62 254 6.09 6.09 6.09 6.09 6.09 6.09 6.09 6.09

n/a n/a 3.91 3.91 3.91 3.91 3.91 3.91 3.91 3.91

1 1 6.09 6.09 6.09 5.75 5.25 4.61 3.83 2.94

3.91 3.83 3.62 3.27 2.84 2.39 1.94 1.47

6.9 312 7.28 7.28 7.28 7.28 7.28 7.28 7.28 7.28

n/a n/a 4.69 4.69 4.69 4.69 4.69 4.69 4.69 4.69

1 1 7.28 7.28 7.28 6.97 6.37 5.6 4.65 3.57

4.69 4.6 4.34 3.93 3.42 2.89 2.35 1.79

8.42 380 8.56 8.56 8.56 8.56 8.56 8.56 8.56 8.56

n/a n/a 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5

1 1 8.56 8.56 8.56 8.35 7.64 6.73 5.61 4.3

5.5 5.47 5.17 4.65 4.07 3.46 2.82 2.16

10.3 465 9.93 9.93 9.93 9.93 9.93 9.93 9.93 9.93

n/a n/a 6.22 6.22 6.22 6.22 6.22 6.22 6.22 6.22

1 1 9.93 9.93 9.93 9.93 9.11 8.02 6.69 5.17

6.22 6.22 6.05 5.5 4.84 4.13 3.39 2.6

12.5 568 11.3 11.3 11.3 11.3 11.3 11.3 11.3 11.3

n/a n/a 6.86 6.86 6.86 6.86 6.86 6.86 6.86 6.86

1 1 11.3 11.3 11.3 11.3 10.7 9.41 7.85 6.18

6.86 6.86 6.86 6.41 5.68 4.89 4.04 3.12

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   3.2 Mcx

Mcy

Mrx

Mry

   3.0 Mcx

Mcy

Mrx

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   3.2 Mcx

Mcy

Mrx

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.3 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

Page 141: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

90x50 7.4 334 9.29 9.29 9.29 9.29 9.29 9.29 9.29 9.29

n/a n/a 6.39 6.39 6.39 6.39 6.39 6.39 6.39 6.39

1 1 9.29 9.29 9.22 8.67 7.91 6.92 5.72 4.36

6.39 6.28 5.95 5.41 4.69 3.95 3.2 2.43

9.99 452 12.1 12.1 12.1 12.1 12.1 12.1 12.1 12.1

n/a n/a 8.34 8.34 8.34 8.34 8.34 8.34 8.34 8.34

1 1 12.1 12.1 12.1 11.5 10.5 9.18 7.6 5.81

8.34 8.2 7.77 7.05 6.17 5.23 4.25 3.24

12.3 555 14.2 14.2 14.2 14.2 14.2 14.2 14.2 14.2

n/a n/a 9.71 9.71 9.71 9.71 9.71 9.71 9.71 9.71

1 1 14.2 14.2 14.2 13.8 12.6 11 9.14 7.04

9.71 9.71 9.25 8.39 7.39 6.29 5.13 3.93

100x50 6.71 303 9.33 9.33 9.33 9.33 9.33 9.33 9.33 9.33

n/a 1 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7

1 0 9.33 9.33 9.26 8.72 7.97 6.99 5.81 4.42

- - - - - - - -

7.13 322 9.88 9.88 9.88 9.88 9.88 9.88 9.88 9.88

n/a 1 6.27 6.27 6.27 6.27 6.27 6.27 6.27 6.27

1 0 9.88 9.88 9.8 9.23 8.43 7.4 6.14 4.69

- - - - - - - -

10.8 487 14.2 14.2 14.2 14.2 14.2 14.2 14.2 14.2

n/a n/a 9.16 9.16 9.16 9.16 9.16 9.16 9.16 9.16

1 1 14.2 14.2 14.2 13.6 12.4 10.9 9.1 6.98

9.16 8.99 8.49 7.67 6.68 5.65 4.59 3.5

13.3 600 16.8 16.8 16.8 16.8 16.8 16.8 16.8 16.8

n/a n/a 10.7 10.7 10.7 10.7 10.7 10.7 10.7 10.7

1 1 16.8 16.8 16.8 16.4 15 13.2 11 8.47

10.7 10.7 10.1 9.17 8.02 6.82 5.56 4.25

16.3 737 19.6 19.6 19.6 19.6 19.6 19.6 19.6 19.6

n/a n/a 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2

1 1 19.6 19.6 19.6 19.6 18 15.8 13.2 10.2

12.2 12.2 11.9 10.9 9.55 8.17 6.7 5.15

19.6 885 22.1 22.1 22.1 22.1 22.1 22.1 22.1 22.1

n/a n/a 13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4

1 1 22.1 22.1 22.1 22.1 20.9 18.4 15.3 12

13.4 13.4 13.4 12.5 11.1 9.53 7.87 6.09

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   3.6 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.3 Mcx

Mcy

Mrx

Mry

   3.0 Mcx

Mcy

Mrx

Mry

   3.2 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.3 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 ^ Mcx

Mcy

Mrx

Mry

Page 142: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

100x60 8.53 387 12.3 12.3 12.3 12.3 12.3 12.3 12.3 12.3

n/a n/a 8.84 8.84 8.84 8.84 8.84 8.84 8.84 8.84

1 1 12.3 12.3 12.1 11.3 10.3 8.98 7.37 5.64

8.84 8.69 8.25 7.52 6.57 5.53 4.47 3.38

11.6 522 16.1 16.1 16.1 16.1 16.1 16.1 16.1 16.1

n/a n/a 11.7 11.7 11.7 11.7 11.7 11.7 11.7 11.7

1 1 16.1 16.1 16.1 15.1 13.8 12 9.92 7.51

11.7 11.5 10.9 9.95 8.67 7.32 5.94 4.51

14.2 643 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2

n/a n/a 13.9 13.9 13.9 13.9 13.9 13.9 13.9 13.9

1 1 19.2 19.2 19.2 18.3 16.6 14.6 12 9.15

13.9 13.8 13.1 11.9 10.4 8.86 7.21 5.5

17.5 795 22.5 22.5 22.5 22.5 22.5 22.5 22.5 22.5

n/a n/a 16.1 16.1 16.1 16.1 16.1 16.1 16.1 16.1

1 1 22.5 22.5 22.5 21.9 19.9 17.4 14.5 11.2

16.1 16.1 15.6 14.2 12.6 10.7 8.77 6.72

120x60 9.7 437 16.1 16.1 16.1 16.1 16.1 16.1 16.1 16.1

n/a 1 9.82 9.82 9.82 9.82 9.82 9.82 9.82 9.82

1 0 16.1 16.1 16 15.1 13.8 12.1 10 7.65

- - - - - - - -

13.1 593 21.3 21.3 21.3 21.3 21.3 21.3 21.3 21.3

n/a n/a 13.6 13.6 13.6 13.6 13.6 13.6 13.6 13.6

1 1 21.3 21.3 21.3 20.2 18.4 16.2 13.5 10.3

13.6 13.4 12.6 11.4 9.9 8.35 6.77 5.14

16.2 735 25.4 25.4 25.4 25.4 25.4 25.4 25.4 25.4

n/a n/a 16.4 16.4 16.4 16.4 16.4 16.4 16.4 16.4

1 1 25.4 25.4 25.4 24.5 22.4 19.7 16.4 12.6

16.4 16.1 15.2 13.8 12 10.2 8.28 6.31

20.1 909 30.2 30.2 30.2 30.2 30.2 30.2 30.2 30.2

n/a n/a 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2

1 1 30.2 30.2 30.2 29.6 27.1 23.8 19.8 15.4

19.2 19.2 18.2 16.5 14.5 12.3 10.1 7.71

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   3.6 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.3 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   3.6 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.3 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

HOT-FINISHED   CELSIUS

Page 143: Steel Section Capacities BS 5950 Spreadsheet

RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

120x80 14.7 664 25.9 25.9 25.9 25.9 25.9 25.9 25.9 25.9

n/a n/a 19.9 19.9 19.9 19.9 19.9 19.9 19.9 19.9

1 1 25.9 25.9 25.2 23.7 21.5 18.7 15.3 11.6

19.9 19.6 18.7 17.1 15 12.6 10.2 7.72

18.2 824 31.2 31.2 31.2 31.2 31.2 31.2 31.2 31.2

n/a n/a 24.2 24.2 24.2 24.2 24.2 24.2 24.2 24.2

1 1 31.2 31.2 30.8 28.9 26.2 22.8 18.7 14.2

24.2 23.8 22.7 20.8 18.3 15.4 12.5 9.51

22.6 1020 37.3 37.3 37.3 37.3 37.3 37.3 37.3 37.3

n/a n/a 29 29 29 29 29 29 29 29

1 1 37.3 37.3 37.3 35.3 32 27.9 22.9 17.5

29 28.9 27.5 25.2 22.2 18.8 15.3 11.7

27.4 1240 43.3 43.3 43.3 43.3 43.3 43.3 43.3 43.3

n/a n/a 33.3 33.3 33.3 33.3 33.3 33.3 33.3 33.3

1 1 43.3 43.3 43.3 41.6 37.9 33 27.3 20.9

33.3 33.3 32.4 29.7 26.2 22.3 18.3 14

150x100 18.6 841 42 42 42 42 42 42 42 42

n/a n/a 32 32 32 32 32 32 32 32

1 1 42 41.7 40.3 37.8 34.3 29.8 24.4 18.5

32 31.5 30 27.5 24 20.2 16.3 12.3

23.1 1050 51.1 51.1 51.1 51.1 51.1 51.1 51.1 51.1

n/a n/a 39.1 39.1 39.1 39.1 39.1 39.1 39.1 39.1

1 1 51.1 51.1 49.7 46.7 42.4 36.9 30.1 22.8

39.1 38.4 36.6 33.5 29.5 24.8 20.1 15.2

28.9 1310 61.8 61.8 61.8 61.8 61.8 61.8 61.8 61.8

n/a n/a 47.9 47.9 47.9 47.9 47.9 47.9 47.9 47.9

1 1 61.8 61.8 60.9 57.1 51.9 45.1 37.1 28.2

47.9 47.2 44.9 41.2 36.1 30.5 24.8 18.8

35.3 1590 72.8 72.8 72.8 72.8 72.8 72.8 72.8 72.8

n/a n/a 56.7 56.7 56.7 56.7 56.7 56.7 56.7 56.7

1 1 72.8 72.8 72.8 68.6 62.4 54.3 44.6 34.1

56.7 56.3 53.6 49.1 43.2 36.7 29.8 22.8

42.8 1940 84.3 84.3 84.3 84.3 84.3 84.3 84.3 84.3

n/a n/a 65.2 65.2 65.2 65.2 65.2 65.2 65.2 65.2

1 1 84.3 84.3 84.3 81.4 73.9 64.4 53.3 40.9

65.2 65.2 63.2 57.9 51.2 43.6 35.7 27.3

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   5.0 Mcx

Mcy

Mrx

Mry

   6.3 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.3 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

   12.5 Mcx

Mcy

Mrx

Mry

HOT-FINISHED   CELSIUS

Page 144: Steel Section Capacities BS 5950 Spreadsheet

RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

160x80 14.4 653 32.6 32.6 32.6 32.6 32.6 32.6 32.6 32.1

0.927*

17.7 17.7 17.7 17.7 17.7 17.7 17.7 17.7

0.581 32.6 32.6 32.1 30.2 27.6 24.2 - -

- - - - - - - -

17.8 806 39.6 39.6 39.6 39.6 39.6 39.6 39.6 39.6

n/a 1 24.8 24.8 24.8 24.8 24.8 24.8 24.8 24.8

1 0 39.6 39.6 39.4 37.1 33.9 29.7 24.7 18.8

- - - - - - - -

22.2 1000 48.1 48.1 48.1 48.1 48.1 48.1 48.1 48.1

n/a n/a 30.8 30.8 30.8 30.8 30.8 30.8 30.8 30.8

1 1 48.1 48.1 48.1 45.4 41.4 36.4 30.2 23.2

30.8 30.3 28.6 25.8 22.4 18.9 15.3 11.6

27.6 1250 57.9 57.9 57.9 57.9 57.9 57.9 57.9 57.9

n/a n/a 37.6 37.6 37.6 37.6 37.6 37.6 37.6 37.6

1 1 57.9 57.9 57.9 55.9 51.1 44.9 37.4 28.6

37.6 36.9 34.9 31.4 27.4 23.2 18.8 14.3

33.7 1520 68.6 68.6 68.6 68.6 68.6 68.6 68.6 68.6

n/a n/a 43.9 43.9 43.9 43.9 43.9 43.9 43.9 43.9

1 1 68.6 68.6 68.6 66.8 61.1 53.8 44.8 34.5

43.9 43.6 41.1 37.3 32.6 27.7 22.6 17.3

200x100 22.6 1020 63.5 63.5 63.5 63.5 63.5 63.5 63.5 62.6

0.927*

34.6 34.6 34.6 34.6 34.6 34.6 34.6 34.6

0.582 63.5 63.5 62.8 59.1 54 47.4 - -

- - - - - - - -

28.1 1270 78 78 78 78 78 78 78 78

n/a 1 49.1 49.1 49.1 49.1 49.1 49.1 49.1 49.1

1 0 78 78 77.3 72.8 66.5 58.4 48.4 37

- - - - - - - -

35.1 1590 95 95 95 95 95 95 95 95

n/a n/a 61.1 61.1 61.1 61.1 61.1 61.1 61.1 61.1

1 1 95 95 95 90.1 82.3 72.3 60 46

61.1 59.9 56.6 51.1 44.4 37.4 30.3 23

43.1 1950 113 113 113 113 113 113 113 113

n/a n/a 73.1 73.1 73.1 73.1 73.1 73.1 73.1 73.1

1 1 113 113 113 109 99.7 87.6 72.9 55.8

73.1 71.8 67.8 61.3 53.4 45.2 36.7 28

52.7 2380 134 134 134 134 134 134 134 134

n/a n/a 85.6 85.6 85.6 85.6 85.6 85.6 85.6 85.6

1 1 134 134 134 130 119 105 87.3 67.4

85.6 85.4 80.6 72.9 63.8 54.2 44.2 33.8

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.3 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.3 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

   12.5 Mcx

Mcy

Mrx

Mry

Page 145: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

200x120 24.1 1090 71.6 71.6 71.6 71.6 71.6 71.6 70.5 69.6

0.927*

43.6 43.6 43.6 43.6 43.6 43.6 43.6 43.6

0.544 71.6 71.6 69.4 65.2 59.4 51.9 - -

- - - - - - - -

30.1 1360 88.2 88.2 88.2 88.2 88.2 88.2 88.2 88.2

n/a 1 62 62 62 62 62 62 62 62

1 0 88.2 88.2 85.7 80.5 73.3 64 52.6 39.8

- - - - - - - -

37.6 1700 108 108 108 108 108 108 108 108

n/a n/a 77.4 77.4 77.4 77.4 77.4 77.4 77.4 77.4

1 1 108 108 106 99.6 90.7 79.2 65.1 49.5

77.4 76.1 72.3 65.9 57.5 48.5 39.2 29.7

46.3 2090 129 129 129 129 129 129 129 129

n/a n/a 93.4 93.4 93.4 93.4 93.4 93.4 93.4 93.4

1 1 129 129 128 121 110 96.1 79.1 60.2

93.4 91.8 87.2 79.5 69.4 58.7 47.6 36.2

200x150 41.4 1870 127 127 127 127 127 127 127 127

n/a n/a 104 104 104 104 104 104 104 104

1 1 127 126 121 114 103 88.8 72.2 54.7

104 103 98.2 90.5 79.6 67.1 54.2 41

51 2300 152 152 152 152 152 152 152 152

n/a n/a 126 126 126 126 126 126 126 126

1 1 152 152 147 138 125 108 87.9 66.7

126 125 119 110 96.5 81.5 66 50.1

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   5.0 Mcx

Mcy

Mrx

Mry

   6.3 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

HOT-FINISHED   CELSIUS

Page 146: Steel Section Capacities BS 5950 Spreadsheet

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

250x100 51 2300 161 161 161 161 161 161 161 161

n/a n/a 89.1 89.1 89.1 89.1 89.1 89.1 89.1 89.1

1 1 161 161 161 157 144 128 107 82.7

89.1 87.2 81.6 73 63.5 53.7 43.6 33.2

62.5 2830 192 192 192 192 192 192 192 192

n/a n/a 106 106 106 106 106 106 106 106

1 1 192 192 192 190 174 154 129 99.9

106 104 97.1 87.3 76.3 64.7 52.7 40.3

250x150 30.4 1370 115 115 115 115 108 102 96.7 53.6

0.624*

59.6 59.6 59.6 59.6 59.6 59.6 59.6 59.6

0.302 115 114 110 103 - - - -

- - - - - - - -

38 1720 141 141 141 141 141 141 139 138

0.94*

86.2 86.2 86.2 86.2 86.2 86.2 86.2 86.2

0.553 141 141 136 128 116 101 - -

- - - - - - - -

47.7 2160 174 174 174 174 174 174 174 174

n/a 1 124 124 124 124 124 124 124 124

1 0 174 174 170 159 145 127 104 78.9

- - - - - - - -

58.8 2660 210 210 210 210 210 210 210 210

n/a n/a 151 151 151 151 151 151 151 151

1 1 210 210 207 195 177 155 127 96.5

151 149 141 129 112 94.5 76.4 58

72.3 3270 252 252 252 252 252 252 252 252

n/a n/a 182 182 182 182 182 182 182 182

1 1 252 252 251 236 215 187 154 118

182 179 170 155 136 115 93 70.7

90.3 4080 302 302 302 302 302 302 302 302

n/a n/a 220 220 220 220 220 220 220 220

1 1 302 302 302 289 263 230 190 145

220 218 207 189 166 141 114 87.3

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   10.0 Mcx

Mcy

Mrx

Mry

   12.5 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.3 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

   12.5 Mcx

Mcy

Mrx

Mry

   16.0 Mcx

Mcy

Mrx

Mry

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

Page 147: Steel Section Capacities BS 5950 Spreadsheet

mm mm kg kN x-x y-y

300x100 47.7 2160 179 179 179 179 179 179 179 179

n/a 1 77.5 77.5 77.5 77.5 77.5 77.5 77.5 77.5

1 0 179 179 179 175 161 143 120 93.4

- - - - - - - -

58.8 2660 216 216 216 216 216 216 216 216

n/a n/a 105 105 105 105 105 105 105 105

1 1 216 216 216 214 197 174 147 114

105 103 95.1 84.7 73.6 62.2 50.4 38.3

300x200 47.9 2170 218 218 218 218 213 202 193 115

0.684*

128 128 128 128 128 128 128 128

0 - - - - - - - -

- - - - - - - -

60.3 2730 276 276 276 276 276 276 276 276

n/a 1 186 186 186 186 186 186 186 186

1 0 276 273 263 247 224 195 159 120

- - - - - - - -

74.5 3370 336 336 336 336 336 336 336 336

n/a n/a 256 256 256 256 256 256 256 256

1 1 336 335 323 303 275 239 195 148

256 252 240 220 192 162 130 98.6

91.9 4150 406 406 406 406 406 406 406 406

n/a n/a 311 311 311 311 311 311 311 311

1 1 406 406 394 370 336 292 239 181

311 306 292 268 234 197 159 121

115 5220 494 494 494 494 494 494 494 494

n/a n/a 383 383 383 383 383 383 383 383

1 1 494 494 488 458 416 362 296 225

383 377 359 329 289 244 198 150

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

400x200 72.8 3290 417 417 417 417 404 377 353 195

0.624*

193 193 193 193 193 193 193 193

0.323 417 417 408 384 - - - -

- - - - - - - -

90.2 4080 509 509 509 509 509 509 509 501

0.927*

277 277 277 277 277 277 277 277

0.582 509 509 502 473 432 379 - -

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

   6.3 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

   12.5 Mcx

Mcy

Mrx

Mry

   16.0 Mcx

Mcy

Mrx

Mry

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Page 148: Steel Section Capacities BS 5950 Spreadsheet

- - - - - - - -

112 5040 619 619 619 619 619 619 619 619

n/a 1 387 387 387 387 387 387 387 387

1 0 619 619 615 579 529 464 386 294

- - - - - - - -

141 6350 761 761 761 761 761 761 761 761

n/a n/a 488 488 488 488 488 488 488 488

1 1 761 761 761 721 659 579 481 367

488 479 452 408 355 299 242 184

450x250 85.4 3870 570 570 570 537 503 207 207 207

0.492*

261 261 261 261 261 261 261 261

0 - - - - - - - -

- - - - - - - -

106 4790 699 699 699 699 699 675 636 607

0.757*

373 373 373 373 373 373 373 373

0.421 699 699 678 637 581 - - -

- - - - - - - -

131 5930 852 852 852 852 852 852 852 852

n/a 1 529 529 529 529 529 529 529 529

1 0 852 852 833 783 714 625 516 391

- - - - - - - -

166 7490 1050 1050 1050 1050 1050 1050 1050 1050

n/a n/a 720 720 720 720 720 720 720 720

1 1 1050 1050 1040 979 892 781 645 490

720 708 671 609 529 445 360 273

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

500x300 98 4440 627 627 627 627 217 217 217 217

0.388*

336 336 336 336 336 336 336 336

0 - - - - - - - -

- - - - - - - -

122 5500 916 916 916 916 866 816 773 428

0.624*

477 477 477 477 477 477 477 477

0.302 916 911 879 825 - - - -

- - - - - - - -

151 6820 1120 1120 1120 1120 1120 1120 1100 1090

0.927*

681 681 681 681 681 681 681 681

0.544 1120 1120 1080 1020 925 807 - -

Mry

   12.5 Mcx

Mcy

Mrx

Mry

   16.0 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

   12.5 Mcx

Mcy

Mrx

Mry

   16.0 Mcx

Mcy

Mrx

Mry

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

   12.5 Mcx

Mcy

Mrx

Page 149: Steel Section Capacities BS 5950 Spreadsheet

- - - - - - - -

191 8630 1390 1390 1390 1390 1390 1390 1390 1390

n/a 1 994 994 994 994 994 994 994 994

1 0 1390 1390 1360 1270 1160 1010 832 630

- - - - - - - -

235 10400 1640 1640 1640 1640 1640 1640 1640 1640

n/a n/a 1180 1180 1180 1180 1180 1180 1180 1180

1 1 1640 1640 1610 1510 1370 1200 987 751

1180 1160 1100 1000 873 736 595 451

Mry

   16.0 Mcx

Mcy

Mrx

Mry

   20.0 Mcx

Mcy

Mrx

Mry

Page 150: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5

mm mm

2.42 2.42 2.42 50x30 1 140 99.8 63.1 42.1 29.8 22.2

1.76 1.76 1.76 98.3 50 29.2 19 13.3 9.85

0.788 0.401 0 1 2.42 2.42 2.42 2.42 2.42 2.42

0.474 0.241 0

3.76 3.76 3.76 60x40 1 180 151 108 74.8 53.7 40.2

2.91 2.91 2.91 160 103 62.7 41.4 29.2 21.7

1.15 0.583 0 1 3.76 3.76 3.76 3.76 3.76 3.76

0.768 0.389 0

4.64 4.64 4.64 1 233 194 137 94 67.4 50.4

3.63 3.63 3.63 205 128 77.6 51.1 36.1 26.8

1.48 0.753 0 1 4.64 4.64 4.64 4.64 4.64 4.64

0.988 0.502 0

5.41 5.41 5.41 1 281 230 160 109 78.3 58.5

4.16 4.16 4.16 244 149 89.8 59.1 41.6 30.9

1.78 0.91 0 1 5.41 5.41 5.41 5.41 5.41 5.41

1.19 0.608 0

6.09 6.09 6.09 80x40 1 242 224 192 148 111 84.5

3.91 3.91 3.91 211 139 85.7 56.7 40.1 29.8

1.98 1 0 1 6.09 6.09 6.09 6.09 6.09 6.09

0.993 0.502 0

7.28 7.28 7.28 1 296 274 232 178 133 101

4.69 4.69 4.69 255 165 101 66.4 46.9 34.8

2.42 1.23 0 1 7.28 7.28 7.28 7.28 7.28 7.28

1.21 0.615 0

8.56 8.56 8.56 1 360 331 278 211 157 119

5.5 5.5 5.5 306 192 117 77 54.3 40.3

2.92 1.49 0 1 8.56 8.56 8.56 8.56 8.56 8.56

1.47 0.746 0

9.93 9.93 9.93 1 439 402 332 248 183 139

6.22 6.22 6.22 365 221 133 87.5 61.7 45.7

3.54 1.82 0 1 9.93 9.93 9.93 9.93 9.93 9.93

1.78 0.909 0

11.3 11.3 11.3 1 534 484 391 287 211 159

6.86 6.86 6.86 429 249 149 97.5 68.6 50.9

4.26 2.2 0 1 11.3 11.3 11.3 11.3 11.3 11.3

2.15 1.1 0

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   3.2 Pcx

   pyZx = 2.02 Pcy

   pyZy = 1.47 Mb

   3.0 Pcx

   pyZx = 3.13 Pcy

   pyZy = 2.47 Mb

   4.0 Pcx

   pyZx = 3.87 Pcy

   pyZy = 3.02 Mb

   5.0 Pcx

   pyZx = 4.51 Pcy

   pyZy = 3.47 Mb

   3.2 Pcx

   pyZx = 5.08 Pcy

   pyZy = 3.36 Mb

   4.0 Pcx

   pyZx = 6.07 Pcy

   pyZy = 3.94 Mb

   5.0 Pcx

   pyZx = 7.14 Pcy

   pyZy = 4.58 Mb

   6.3 Pcx

   pyZx = 8.27 Pcy

   pyZy = 5.18 Mb

   8.0 Pcx

   pyZx = 9.41 Pcy

   pyZy = 5.72 Mb

Page 151: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5

mm mm

9.29 9.29 9.29 90x50 1 322 305 276 230 181 140

6.39 6.39 6.39 301 242 165 112 80 59.7

2.94 1.49 0 1 9.29 9.29 9.29 9.29 9.29 9.29

1.64 0.827 0

12.1 12.1 12.1 1 435 410 369 304 236 183

8.34 8.34 8.34 404 317 212 143 102 76.2

3.94 2 0 1 12.1 12.1 12.1 12.1 12.1 12.1

2.19 1.11 0

14.2 14.2 14.2 1 533 502 447 364 281 217

9.71 9.71 9.71 491 376 247 166 118 88.2

4.8 2.45 0 1 14.2 14.2 14.2 14.2 14.2 14.2

2.67 1.36 0

9.33 9.33 9.33 100x50 1 294 282 262 231 190 151

5.7 5.7 5.7 275 224 155 106 75.9 56.7

2.98 1.5 0 1 9.33 9.33 9.33 9.33 9.33 9.33

- - -

9.88 9.88 9.88 1 313 300 279 245 201 160

6.27 6.27 6.27 292 237 164 112 80 59.8

3.16 1.6 0 1 9.88 9.88 9.88 9.88 9.88 9.88

- - -

14.2 14.2 14.2 1 472 451 417 362 293 232

9.16 9.16 9.16 437 345 232 157 112 83.8

4.73 2.4 0 1 14.2 14.2 14.2 14.2 14.2 14.2

2.37 1.2 0

16.8 16.8 16.8 1 580 553 509 438 352 277

10.7 10.7 10.7 532 411 272 183 130 97.2

5.76 2.94 0 1 16.8 16.8 16.8 16.8 16.8 16.8

2.89 1.47 0

19.6 19.6 19.6 1 712 676 618 524 416 326

12.2 12.2 12.2 647 484 313 210 149 111

7 3.59 0 1 19.6 19.6 19.6 19.6 19.6 19.6

3.52 1.8 0

22.1 22.1 22.1 1 853 807 730 608 476 370

13.4 13.4 13.4 763 545 346 230 163 122

8.3 4.29 0 1 22.1 22.1 22.1 22.1 22.1 22.1

4.18 2.15 0

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   3.6 Pcx

   pyZx = 7.74 Pcy

   pyZy = 5.5 Mb

   5.0 Pcx

   pyZx = 10 Pcy

   pyZy = 6.99 Mb

   6.3 Pcx

   pyZx = 11.8 Pcy

   pyZy = 8.09 Mb

   3.0 Pcx

   pyZx = 7.77 Pcy

   pyZy = 5.22 Mb

   3.2 Pcx

   pyZx = 8.24 Pcy

   pyZy = 5.5 Mb

   5.0 Pcx

   pyZx = 11.8 Pcy

   pyZy = 7.7 Mb

   6.3 Pcx

   pyZx = 14 Pcy

   pyZy = 8.95 Mb

   8.0 Pcx

   pyZx = 16.3 Pcy

   pyZy = 10.2 Mb

   10.0 ^ Pcx

   pyZx = 18.4 Pcy

   pyZy = 11.1 Mb

Page 152: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5

mm mm

12.3 12.3 12.3 100x60 1 376 361 337 299 248 199

8.84 8.84 8.84 361 321 249 179 130 97.9

3.79 1.92 0 1 12.3 12.3 12.3 12.3 12.3 12.3

2.28 1.15 0

16.1 16.1 16.1 1 507 485 452 397 326 260

11.7 11.7 11.7 485 427 325 231 168 126

5.08 2.57 0 1 16.1 16.1 16.1 16.1 16.1 16.1

3.05 1.55 0

19.2 19.2 19.2 1 623 596 553 482 393 312

13.9 13.9 13.9 595 519 389 274 198 149

6.21 3.16 0 1 19.2 19.2 19.2 19.2 19.2 19.2

3.73 1.9 0

22.5 22.5 22.5 1 770 735 677 584 471 371

16.1 16.1 16.1 732 627 458 320 230 173

7.61 3.89 0 1 22.5 22.5 22.5 22.5 22.5 22.5

4.58 2.34 0

16.1 16.1 16.1 120x60 1 429 416 398 372 333 283

9.82 9.82 9.82 409 366 288 208 152 115

5.14 2.6 0 1 16.1 16.1 16.1 16.1 16.1 16.1

- - -

21.3 21.3 21.3 1 582 564 539 501 445 377

13.6 13.6 13.6 553 490 380 272 198 149

6.93 3.51 0 1 21.3 21.3 21.3 21.3 21.3 21.3

3.47 1.76 0

25.4 25.4 25.4 1 721 698 665 616 544 457

16.4 16.4 16.4 683 599 455 323 234 176

8.53 4.34 0 1 25.4 25.4 25.4 25.4 25.4 25.4

4.28 2.17 0

30.2 30.2 30.2 1 890 861 819 755 660 551

19.2 19.2 19.2 840 728 541 380 274 206

10.5 5.34 0 1 30.2 30.2 30.2 30.2 30.2 30.2

5.25 2.67 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   3.6 Pcx

   pyZx = 10.3 Pcy

   pyZy = 7.67 Mb

   5.0 Pcx

   pyZx = 13.4 Pcy

   pyZy = 9.9 Mb

   6.3 Pcx

   pyZx = 16 Pcy

   pyZy = 11.6 Mb

   8.0 Pcx

   pyZx = 18.7 Pcy

   pyZy = 13.4 Mb

   3.6 Pcx

   pyZx = 13.5 Pcy

   pyZy = 9.02 Mb

   5.0 Pcx

   pyZx = 17.7 Pcy

   pyZy = 11.7 Mb

   6.3 Pcx

   pyZx = 21.2 Pcy

   pyZy = 13.8 Mb

   8.0 Pcx

   pyZx = 25.1 Pcy

   pyZy = 16 Mb

HOT-FINISHED   CELSIUS

Page 153: Steel Section Capacities BS 5950 Spreadsheet

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5

mm mm

25.9 25.9 25.9 120x80 1 653 634 609 572 517 446

19.9 19.9 19.9 639 605 546 454 355 276

7.8 3.94 0 1 25.9 25.9 25.9 25.9 25.9 25.9

5.2 2.63 0

31.2 31.2 31.2 1 810 786 754 706 634 544

24.2 24.2 24.2 792 748 671 551 428 331

9.62 4.88 0 1 31.2 31.2 31.2 31.2 31.2 31.2

6.42 3.25 0

37.3 37.3 37.3 1 1000 973 931 868 774 658

29 29 29 981 923 821 666 513 395

11.9 6.03 0 1 37.3 37.3 37.3 37.3 37.3 37.3

7.92 4.02 0

43.3 43.3 43.3 1 1220 1180 1120 1040 921 776

33.3 33.3 33.3 1190 1110 975 777 592 454

14.2 7.28 0 1 43.3 43.3 43.3 43.3 43.3 43.3

9.52 4.86 0

42 42 42 150x100 1 836 819 799 773 738 690

32 32 32 824 797 758 698 610 508

12.4 6.26 0 1 42 42 42 42 42 42

8.28 4.17 0

51.1 51.1 51.1 1 1040 1020 994 961 916 853

39.1 39.1 39.1 1020 990 940 862 748 620

15.4 7.77 0 1 51.1 51.1 51.1 51.1 51.1 51.1

10.3 5.18 0

61.8 61.8 61.8 1 1300 1270 1240 1190 1140 1060

47.9 47.9 47.9 1280 1230 1170 1060 916 754

19.1 9.67 0 1 61.8 61.8 61.8 61.8 61.8 61.8

12.7 6.45 0

72.8 72.8 72.8 1 1580 1550 1510 1450 1380 1270

56.7 56.7 56.7 1560 1500 1410 1280 1090 889

23.1 11.8 0 1 72.8 72.8 72.8 72.8 72.8 72.8

15.4 7.84 0

84.3 84.3 84.3 1 1920 1880 1830 1760 1660 1520

65.2 65.2 65.2 1890 1810 1700 1530 1280 1030

27.9 14.2 0 1 84.3 84.3 84.3 84.3 84.3 84.3

18.6 9.5 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   5.0 Pcx

   pyZx = 21.6 Pcy

   pyZy = 17.1 Mb

   6.3 Pcx

   pyZx = 26 Pcy

   pyZy = 20.4 Mb

   8.0 Pcx

   pyZx = 31.1 Pcy

   pyZy = 24.2 Mb

   10.0 Pcx

   pyZx = 36.1 Pcy

   pyZy = 27.7 Mb

   5.0 Pcx

   pyZx = 35 Pcy

   pyZy = 27.9 Mb

   6.3 Pcx

   pyZx = 42.6 Pcy

   pyZy = 33.7 Mb

   8.0 Pcx

   pyZx = 51.5 Pcy

   pyZy = 40.5 Mb

   10.0 Pcx

   pyZx = 60.7 Pcy

   pyZy = 47.2 Mb

   12.5 Pcx

   pyZx = 70.3 Pcy

   pyZy = 54.3 Mb

HOT-FINISHED   CELSIUS

Page 154: Steel Section Capacities BS 5950 Spreadsheet

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5

mm mm

31.3 28.9 $ 160x80 0.927 650 637 623 604 579 545

17.7 17.7 $ 631 601 550 468 372 292

- - - 0.927 27.2 27.2 27.2 27.2 27.2 27.2

- - - 0.581 32.6 32.6 32.6 32.6 32.6 32.6

39.6 39.6 39.6 1 802 786 768 744 713 670

24.8 24.8 24.8 778 739 674 570 451 353

12.6 6.39 0 1 39.6 39.6 39.6 39.6 39.6 39.6

- - -

48.1 48.1 48.1 1 996 976 952 923 883 827

30.8 30.8 30.8 965 915 831 697 548 427

15.6 7.91 0 1 48.1 48.1 48.1 48.1 48.1 48.1

7.83 3.96 0

57.9 57.9 57.9 1 1240 1220 1190 1150 1100 1020

37.6 37.6 37.6 1200 1140 1020 846 659 511

19.4 9.84 0 1 57.9 57.9 57.9 57.9 57.9 57.9

9.71 4.93 0

68.6 68.6 68.6 1 1510 1480 1440 1390 1330 1230

43.9 43.9 43.9 1460 1380 1230 1000 771 595

23.4 12 0 1 68.6 68.6 68.6 68.6 68.6 68.6

11.7 5.98 0

61 56.4 $ 200x100 0.927 1020 1010 990 971 949 921

34.6 34.6 $ 999 968 924 858 759 640

- - - 0.927 52.9 52.9 52.9 52.9 52.9 52.9

- - - 0.582 63.5 63.5 63.5 63.5 63.5 63.5

78 78 78 1 1270 1250 1230 1210 1180 1150

49.1 49.1 49.1 1250 1210 1150 1060 936 786

24.9 12.6 0 1 78 78 78 78 78 78

- - -

95 95 95 1 1590 1570 1540 1510 1480 1430

61.1 61.1 61.1 1560 1510 1430 1320 1150 957

31 15.7 0 1 95 95 95 95 95 95

15.5 7.86 0

113 113 113 1 1950 1920 1890 1850 1800 1750

73.1 73.1 73.1 1910 1840 1750 1600 1380 1140

37.8 19.2 0 1 113 113 113 113 113 113

18.9 9.6 0

134 134 134 1 2380 2350 2310 2260 2200 2120

85.6 85.6 85.6 2330 2240 2120 1920 1640 1340

45.8 23.4 0 1 134 134 134 134 134 134

23 11.7 0

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

 § 4.0 Pcx

   pyZx = 27.2 Pcy

   pyZy = 18.4 Mb

Mb

   5.0 Pcx

   pyZx = 33 Pcy

   pyZy = 22.1 Mb

   6.3 Pcx

   pyZx = 40.1 Pcy

   pyZy = 26.6 Mb

   8.0 Pcx

   pyZx = 48.3 Pcy

   pyZy = 31.6 Mb

   10.0 Pcx

   pyZx = 57.2 Pcy

   pyZy = 36.6 Mb

 § 5.0 Pcx

   pyZx = 52.9 Pcy

   pyZy = 35.9 Mb

Mb

   6.3 Pcx

   pyZx = 65 Pcy

   pyZy = 43.7 Mb

   8.0 Pcx

   pyZx = 79.2 Pcy

   pyZy = 52.5 Mb

   10.0 Pcx

   pyZx = 94.4 Pcy

   pyZy = 61.8 Mb

   12.5 Pcx

   pyZx = 111 Pcy

   pyZy = 71.4 Mb

Page 155: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5

mm mm

68 63.2 $ 200x120 0.927 1090 1080 1060 1040 1020 991

43.6 43.6 $ 1080 1050 1020 976 913 825

- - - 0.927 59.6 59.6 59.6 59.6 59.6 59.6

- - - 0.544 71.6 71.6 71.6 71.6 71.6 71.6

88.2 88.2 88.2 1 1360 1340 1320 1300 1270 1230

62 62 62 1340 1310 1270 1210 1130 1020

26.7 13.5 0 1 88.2 88.2 88.2 88.2 88.2 88.2

- - -

108 108 108 1 1700 1680 1660 1630 1590 1540

77.4 77.4 77.4 1680 1640 1590 1520 1410 1260

33.3 16.9 0 1 108 108 108 108 108 108

20 10.1 0

129 129 129 1 2090 2060 2030 1990 1950 1890

93.4 93.4 93.4 2060 2010 1940 1850 1710 1520

40.7 20.6 0 1 129 129 129 129 129 129

24.4 12.4 0

127 127 127 200x150 1 1870 1850 1830 1790 1760 1710

104 104 104 1870 1830 1790 1740 1680 1590

36.8 18.6 0 1 127 127 127 127 127 127

27.6 13.9 0

152 152 152 1 2300 2280 2240 2200 2150 2090

126 126 126 2300 2250 2200 2140 2060 1950

45 22.8 0 1 152 152 152 152 152 152

33.8 17.1 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

 § 5.0 Pcx

   pyZx = 59.6 Pcy

   pyZy = 45.1 Mb

Mb

   6.3 Pcx

   pyZx = 73.5 Pcy

   pyZy = 55 Mb

   8.0 Pcx

   pyZx = 89.8 Pcy

   pyZy = 66.7 Mb

   10.0 Pcx

   pyZx = 108 Pcy

   pyZy = 79.2 Mb

   8.0 Pcx

   pyZx = 105 Pcy

   pyZy = 89.8 Mb

   10.0 Pcx

   pyZx = 127 Pcy

   pyZy = 107 Mb

HOT-FINISHED   CELSIUS

Page 156: Steel Section Capacities BS 5950 Spreadsheet

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 2 3 4 5 6 7

mm mm

161 161 161 250x100 1 2260 2190 2100 1960 1740 1480

89.1 89.1 89.1 2070 1670 1130 772 551 412

55.9 28.4 0 1 161 161 161 161 161 161

22.4 11.4 0

192 192 192 1 2770 2690 2570 2380 2110 1780

106 106 106 2530 1990 1340 904 645 481

68.1 34.7 0 1 192 192 192 192 192 192

27.3 13.9 0

53.6 $ $ 250x150 0.624 1360 1320 1270 1210 1110 976

59.6 $ $ 1320 1250 1120 916 710 549

- - - 0.624 95.5 95.5 95.5 95.5 95.5 95.5

- - - 0.302 115 115 115 115 115 115

135 127 $ 0.94 1690 1650 1590 1510 1380 1210

86.2 86.2 $ 1650 1550 1390 1130 875 676

- - - 0.94 118 118 118 118 118 118

- - - 0.553 141 141 141 141 141 141

174 174 174 1 2130 2070 1990 1890 1720 1510

124 124 124 2070 1950 1730 1400 1080 832

53 26.7 0 1 174 174 174 174 174 174

- - -

210 210 210 1 2620 2550 2450 2310 2110 1840

151 151 151 2550 2390 2110 1700 1300 999

65.1 32.9 0 1 210 210 210 210 210 210

39.1 19.7 0

252 252 252 1 3220 3130 3010 2830 2570 2230

182 182 182 3130 2930 2570 2040 1550 1190

79.5 40.3 0 1 252 252 252 252 252 252

47.8 24.2 0

302 302 302 1 4020 3900 3740 3510 3160 2720

220 220 220 3890 3630 3140 2460 1850 1420

98.6 50.2 0 1 302 302 302 302 302 302

59.2 30.1 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 2 3 4 5 6 7

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   10.0 Pcx

   pyZx = 135 Pcy

   pyZy = 76 Mb

   12.5 Pcx

   pyZx = 160 Pcy

   pyZy = 88.4 Mb

 § 5.0 Pcx

   pyZx = 95.5 Pcy

   pyZy = 72.4 Mb

Mb

 § 6.3 Pcx

   pyZx = 118 Pcy

   pyZy = 88.8 Mb

Mb

   8.0 Pcx

   pyZx = 145 Pcy

   pyZy = 109 Mb

   10.0 Pcx

   pyZx = 175 Pcy

   pyZy = 130 Mb

   12.5 Pcx

   pyZx = 210 Pcy

   pyZy = 154 Mb

   16.0 Pcx

   pyZx = 252 Pcy

   pyZy = 183 Mb

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

Page 157: Steel Section Capacities BS 5950 Spreadsheet

mm mm

179 179 179 300x100 1 2140 2090 2030 1950 1830 1670

77.5 77.5 77.5 1960 1610 1130 772 553 413

63.3 32 0 1 179 179 179 179 179 179

- - -

216 216 216 1 2630 2570 2490 2390 2240 2040

105 105 105 2400 1950 1350 918 657 491

77.6 39.3 0 1 216 216 216 216 216 216

25.9 13.1 0

115 $ $ 300x200 0.684 2150 2110 2060 2000 1910 1790

128 $ $ 2120 2050 1960 1810 1600 1340

- - - 0.684 185 185 185 185 185 185

- - -

276 276 276 1 2710 2660 2590 2510 2400 2250

186 186 186 2670 2580 2460 2270 2000 1670

80.7 40.6 0 1 276 276 276 276 276 276

- - -

336 336 336 1 3350 3280 3200 3100 2960 2770

256 256 256 3300 3190 3030 2790 2440 2030

99.4 50.1 0 1 336 336 336 336 336 336

66.3 33.4 0

406 406 406 1 4130 4040 3940 3810 3630 3380

311 311 311 4060 3930 3730 3420 2970 2460

122 61.7 0 1 406 406 406 406 406 406

81.4 41.1 0

494 494 494 1 5180 5070 4940 4770 4540 4220

383 383 383 5100 4920 4660 4250 3650 3010

152 77.2 0 1 494 494 494 494 494 494

102 51.5 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 2 3 4 5 6 7

mm mm

195 $ $ 400x200 0.624 3290 3260 3200 3140 3070 2980

193 $ $ 3230 3130 3000 2790 2480 2100

- - - 0.624 347 347 347 347 347 347

- - - 0.323 417 417 417 417 417 417

489 452 $ 0.927 4080 4030 3960 3890 3800 3680

277 277 $ 4000 3880 3700 3440 3040 2570

- - - 0.927 425 425 425 425 425 425

   8.0 Pcx

   pyZx = 149 Pcy

   pyZy = 76.7 Mb

   10.0 Pcx

   pyZx = 180 Pcy

   pyZy = 90.5 Mb

 § 6.3 Pcx

   pyZx = 185 Pcy

   pyZy = 149 Mb

   8.0 Pcx

   pyZx = 230 Pcy

   pyZy = 184 Mb

   10.0 Pcx

   pyZx = 280 Pcy

   pyZy = 223 Mb

   12.5 Pcx

   pyZx = 338 Pcy

   pyZy = 268 Mb

   16.0 Pcx

   pyZx = 411 Pcy

   pyZy = 323 Mb

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

 § 8.0 Pcx

   pyZx = 347 Pcy

   pyZy = 236 Mb

Mb

 § 10.0 Pcx

   pyZx = 425 Pcy

   pyZy = 287 Mb

Page 158: Steel Section Capacities BS 5950 Spreadsheet

- - - 0.582 509 509 509 509 509 509

619 619 619 1 5040 4980 4900 4800 4690 4550

387 387 387 4940 4790 4560 4220 3720 3120

198 99.9 0 1 619 619 619 619 619 619

- - -

761 761 761 1 6350 6270 6160 6040 5900 5710

488 488 488 6220 6020 5720 5270 4600 3830

248 126 0 1 761 761 761 761 761 761

124 62.8 0

$ $ $ 450x250 0.492 3870 3850 3790 3740 3670 3600

$ $ $ 3840 3750 3650 3520 3330 3070

- - - 0.492 475 475 475 475 475 475

- - -

409 $ $ 0.757 4790 4760 4700 4630 4540 4450

373 $ $ 4750 4650 4520 4350 4110 3780

- - - 0.757 582 582 582 582 582 582

- - - 0.421 699 699 699 699 699 699

852 852 852 1 5930 5890 5810 5720 5620 5500

529 529 529 5880 5740 5580 5370 5070 4640

263 132 0 1 852 852 852 852 852 852

- - -

1050 1050 1050 1 7490 7440 7330 7220 7090 6930

720 720 720 7420 7250 7040 6750 6350 5780

330 167 0 1 1050 1050 1050 1050 1050 1050

184 92.7 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 2 3 4 5 6 7

mm mm

$ $ $ 500x300 0.388 4440 4430 4380 4320 4260 4190

$ $ $ 4430 4350 4270 4160 4030 3850

- - - 0.388 621 621 621 621 621 621

- - -

428 $ $ 0.624 5500 5490 5430 5360 5280 5200

477 $ $ 5490 5400 5290 5160 4990 4770

- - - 0.624 763 763 763 763 763 763

- - - 0.302 916 916 916 916 916 916

1060 989 $ 0.927 6820 6800 6720 6640 6540 6430

681 681 $ 6800 6680 6550 6380 6170 5900

- - - 0.927 935 935 935 935 935 935

Mb

   12.5 Pcx

   pyZx = 516 Pcy

   pyZy = 346 Mb

   16.0 Pcx

   pyZx = 634 Pcy

   pyZy = 420 Mb

 § 8.0 Pcx

   pyZx = 475 Pcy

   pyZy = 345 Mb

 § 10.0 Pcx

   pyZx = 582 Pcy

   pyZy = 421 Mb

Mb

   12.5 Pcx

   pyZx = 710 Pcy

   pyZy = 510 Mb

   16.0 Pcx

   pyZx = 879 Pcy

   pyZy = 626 Mb

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

 § 8.0 Pcx

   pyZx = 621 Pcy

   pyZy = 472 Mb

 § 10.0 Pcx

   pyZx = 763 Pcy

   pyZy = 578 Mb

Mb

 § 12.5 Pcx

   pyZx = 935 Pcy

   pyZy = 705 Mb

Page 159: Steel Section Capacities BS 5950 Spreadsheet

- - - 0.544 1120 1120 1120 1120 1120 1120

1390 1390 1390 1 8630 8600 8500 8390 8270 8130

994 994 994 8610 8450 8280 8060 7790 7410

424 214 0 1 1390 1390 1390 1390 1390 1390

- - -

1640 1640 1640 1 10400 10300 10200 10100 9920 9760

1180 1180 1180 10300 10100 9920 9660 9320 8870

506 256 0 1 1640 1640 1640 1640 1640 1640

304 154 0

Mb

   16.0 Pcx

   pyZx = 1160 Pcy

   pyZy = 870 Mb

   20.0 Pcx

   pyZx = 1360 Pcy

   pyZy = 1010 Mb

Page 160: Steel Section Capacities BS 5950 Spreadsheet

AXIAL LOAD & BENDING

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

4 5 6 7 8 9 10

17.1 11.1 7.75 5.72 4.4 3.48 2.83

7.58 4.88 3.4 2.51 1.93 1.52 1.24

2.42 2.32 2.22 2.13 2.04 1.96 1.88

31.2 20.3 14.2 10.5 8.07 6.4 5.2

16.7 10.8 7.55 5.57 4.28 3.39 2.75

3.76 3.76 3.76 3.64 3.55 3.46 3.38

39.1 25.4 17.8 13.1 10.1 8.01 6.5

20.6 13.3 9.31 6.87 5.28 4.18 3.39

4.64 4.64 4.64 4.58 4.47 4.36 4.26

45.3 29.4 20.6 15.2 11.7 9.28 7.54

23.8 15.4 10.7 7.92 6.08 4.82 3.91

5.41 5.41 5.41 5.41 5.28 5.15 5.02

66.1 43.3 30.5 22.6 17.4 13.8 11.2

23 14.8 10.4 7.65 5.88 4.66 3.78

6.09 5.7 5.46 5.22 5.01 4.8 4.6

79 51.8 36.4 27 20.8 16.5 13.4

26.8 17.4 12.1 8.95 6.87 5.44 4.42

7.28 6.85 6.55 6.26 5.99 5.73 5.49

93 60.9 42.8 31.7 24.4 19.4 15.8

31.1 20.1 14 10.4 7.95 6.3 5.11

8.56 8.13 7.76 7.41 7.08 6.76 6.46

108 70.9 49.8 36.9 28.4 22.6 18.3

35.2 22.8 15.9 11.7 9 7.13 5.79

9.93 9.56 9.1 8.67 8.26 7.87 7.51

124 81.1 57 42.2 32.5 25.8 20.9

39.2 25.3 17.7 13 10 7.92 6.42

11.3 11 10.5 9.93 9.43 8.96 8.53

HOT-FINISHED   CELSIUS

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 161: Steel Section Capacities BS 5950 Spreadsheet

AXIAL LOAD & BENDING

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

4 5 6 7 8 9 10

111 73.3 51.8 38.5 29.7 23.6 19.2

46.2 30 21 15.5 11.9 9.45 7.68

9.29 9.29 9.29 8.8 8.55 8.32 8.09

144 95 67.1 49.8 38.4 30.5 24.8

59 38.2 26.8 19.8 15.2 12 9.78

12.1 12.1 12.1 11.5 11.2 10.9 10.6

171 113 79.4 58.9 45.4 36.1 29.3

68.2 44.2 30.9 22.8 17.6 13.9 11.3

14.2 14.2 14.2 13.7 13.3 12.9 12.6

121 80.6 57.2 42.5 32.8 26.1 21.3

43.9 28.5 20 14.8 11.3 8.99 7.3

9.33 9.33 8.76 8.47 8.19 7.92 7.66

128 85.2 60.4 45 34.7 27.6 22.5

46.3 30 21 15.5 11.9 9.47 7.69

9.88 9.88 9.27 8.96 8.66 8.37 8.1

185 123 87.1 64.7 50 39.7 32.3

64.8 42 29.4 21.7 16.7 13.2 10.8

14.2 14.2 13.5 13 12.6 12.1 11.7

220 146 104 77 59.4 47.3 38.5

75.2 48.7 34.1 25.2 19.4 15.3 12.5

16.8 16.8 16.1 15.5 15 14.4 13.9

258 171 121 89.9 69.3 55.1 44.8

86 55.7 39 28.8 22.1 17.5 14.2

19.6 19.6 19 18.3 17.6 16.9 16.3

292 193 136 101 78 62 50.4

93.8 60.7 42.5 31.3 24.1 19.1 15.5

22.1 22.1 21.7 20.8 20 19.1 18.4

HOT-FINISHED   CELSIUS

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 162: Steel Section Capacities BS 5950 Spreadsheet

AXIAL LOAD & BENDING

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

4 5 6 7 8 9 10

159 107 75.7 56.3 43.5 34.6 28.2

76.1 49.6 34.8 25.8 19.8 15.7 12.8

12.3 12.3 12.3 12.3 12.3 12.3 11.5

208 139 98.4 73.2 56.5 45 36.6

97.9 63.7 44.7 33.1 25.5 20.2 16.4

16.1 16.1 16.1 16.1 16.1 16.1 15.2

248 166 117 87.3 67.4 53.6 43.6

116 75.3 52.8 39.1 30.1 23.8 19.4

19.2 19.2 19.2 19.2 19.2 19.2 18.3

295 196 139 103 79.7 63.4 51.6

134 87.1 61.1 45.2 34.7 27.5 22.4

22.5 22.5 22.5 22.5 22.5 22.2 21.7

235 162 116 87 67.4 53.7 43.8

89.2 58.2 40.9 30.2 23.3 18.5 15

16.1 16.1 16.1 15.2 14.8 14.4 14

311 214 153 114 88.7 70.6 57.6

116 75.4 52.9 39.1 30.1 23.9 19.4

21.3 21.3 21.3 20.2 19.6 19.1 18.5

376 257 184 137 106 84.8 69.1

137 89 62.5 46.2 35.6 28.2 22.9

25.4 25.4 25.4 24.4 23.7 23 22.3

451 307 219 164 127 101 82.3

160 104 72.9 53.9 41.5 32.9 26.7

30.2 30.2 30.2 29.2 28.3 27.4 26.6

AXIAL LOAD & BENDING

HOT-FINISHED   CELSIUS

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

HOT-FINISHED   CELSIUS

Page 163: Steel Section Capacities BS 5950 Spreadsheet

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

4 5 6 7 8 9 10

373 259 186 139 108 86.1 70.2

218 144 102 75.4 58.2 46.2 37.6

25.9 25.9 25.9 25.9 25.9 25.9 25.9

453 313 225 168 131 104 84.8

261 172 122 90.2 69.6 55.3 45

31.2 31.2 31.2 31.2 31.2 31.2 31.2

545 375 269 201 156 124 101

311 205 144 107 82.7 65.6 53.4

37.3 37.3 37.3 37.3 37.3 37.3 37.3

639 437 313 234 181 144 118

357 235 165 123 94.5 75.1 61

43.3 43.3 43.3 43.3 43.3 43.3 43.3

626 479 358 272 213 171 140

416 283 202 151 117 93 75.8

42 42 42 42 42 42 42

772 587 437 333 260 208 170

505 343 245 183 141 113 91.7

51.1 51.1 51.1 51.1 51.1 51.1 51.1

949 717 532 404 315 252 206

612 414 295 220 170 136 110

61.8 61.8 61.8 61.8 61.8 61.8 61.8

1140 850 628 476 372 297 243

719 485 345 257 199 158 129

72.8 72.8 72.8 72.8 72.8 72.8 72.8

1350 998 734 556 433 346 283

832 559 397 296 229 182 148

84.3 84.3 84.3 84.3 84.3 84.3 84.3

AXIAL LOAD & BENDING

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

HOT-FINISHED   CELSIUS

Page 164: Steel Section Capacities BS 5950 Spreadsheet

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

4 5 6 7 8 9 10

500 390 294 225 176 141 116

231 153 108 80.6 62.2 49.4 40.2

27.2 27.2 27.2 27.2 27.2 25.9 25.5

32.6 32.6 32.6 32.6 32.6 30.9 30.2

613 476 358 273 214 171 140

279 185 131 97.2 75 59.6 48.5

39.6 39.6 39.6 39.6 39.6 37.7 36.9

754 582 436 333 260 209 171

338 223 158 117 90.4 71.8 58.4

48.1 48.1 48.1 48.1 48.1 46 45

928 710 530 403 315 253 207

403 266 188 139 108 85.4 69.5

57.9 57.9 57.9 57.9 57.9 56.2 54.9

1110 843 626 476 371 297 243

469 309 218 162 125 99 80.5

68.6 68.6 68.6 68.6 68.6 66.6 65.1

884 780 643 513 411 333 274

527 361 259 193 150 119 97

52.9 52.9 52.9 52.9 52.9 52.9 52.9

63.5 63.5 63.5 63.5 63.5 63.5 63.5

1100 966 793 632 505 409 337

645 441 315 236 182 145 118

78 78 78 78 78 78 78

1370 1200 976 775 618 500 412

783 533 380 284 220 175 143

95 95 95 95 95 95 95

1670 1450 1170 928 738 597 491

929 630 449 335 259 206 168

113 113 113 113 113 113 113

2020 1740 1400 1100 875 707 581

1080 731 521 388 300 239 195

134 134 134 134 134 134 134

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 165: Steel Section Capacities BS 5950 Spreadsheet

AXIAL LOAD & BENDING

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

4 5 6 7 8 9 10

955 851 711 572 459 373 308

719 520 380 286 223 178 145

59.6 59.6 59.6 59.6 59.6 59.6 59.6

71.6 71.6 71.6 71.6 71.6 71.6 71.6

1190 1060 878 705 565 459 378

884 636 463 349 272 217 177

88.2 88.2 88.2 88.2 88.2 88.2 88.2

1480 1310 1090 868 695 564 465

1090 779 566 426 331 264 216

108 108 108 108 108 108 108

1810 1590 1310 1040 835 676 557

1300 926 671 505 392 313 255

129 129 129 129 129 129 129

1650 1480 1240 1000 808 658 543

1480 1180 898 690 541 435 356

127 127 127 127 127 127 127

2020 1800 1510 1210 973 791 653

1800 1420 1080 828 649 521 427

152 152 152 152 152 152 152

AXIAL LOAD & BENDING

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

HOT-FINISHED   CELSIUS

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

HOT-FINISHED   CELSIUS

Page 166: Steel Section Capacities BS 5950 Spreadsheet

for

8 9 10 11 12 13 14

1230 1010 845 711 606 521 453

318 254 207 172 145 124 107

161 151 147 143 139 136 132

1470 1210 1010 848 722 621 540

372 296 241 200 169 144 125

192 180 175 170 166 161 157

831 697 586 496 424 365 318

433 348 285 238 201 173 150

95.5 95.5 95.5 95.5 95.5 95.5 95.5

115 115 115 115 115 115 115

1030 863 724 613 523 451 393

532 428 351 292 247 212 184

118 118 118 118 118 118 118

141 141 141 141 141 141 141

1280 1070 896 758 647 558 486

654 526 431 359 304 260 226

174 174 174 174 174 174 174

1550 1300 1090 917 783 675 587

784 630 516 430 364 312 270

210 210 210 210 210 210 210

1870 1560 1300 1100 939 809 704

935 751 615 513 433 371 322

252 252 252 252 252 252 252

2270 1890 1570 1330 1130 975 848

1110 891 729 607 514 440 381

302 302 302 302 302 302 302

AXIAL LOAD & BENDING

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

8 9 10 11 12 13 14

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

HOT-FINISHED   CELSIUS

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 167: Steel Section Capacities BS 5950 Spreadsheet

1460 1260 1070 914 785 679 593

320 255 208 172 146 124 108

161 155 150 145 140 135 130

1780 1530 1300 1110 950 822 717

380 302 246 205 173 148 128

194 187 180 174 168 162 156

1630 1440 1260 1090 941 819 717

1100 906 753 633 538 463 402

185 185 185 185 185 185 185

2050 1820 1580 1370 1180 1030 903

1370 1120 933 784 667 574 498

276 276 276 276 276 276 276

2510 2220 1930 1670 1440 1250 1100

1660 1360 1130 950 808 694 603

336 336 336 336 336 336 336

3050 2680 2320 2000 1720 1500 1310

2000 1640 1360 1140 971 834 724

406 406 406 406 406 406 406

3800 3330 2870 2470 2130 1850 1620

2440 1990 1650 1390 1180 1010 878

494 494 494 494 494 494 494

AXIAL LOAD & BENDING

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

8 9 10 11 12 13 14

2870 2720 2530 2320 2090 1880 1670

1730 1430 1190 1000 853 734 638

347 347 347 347 347 347 347

417 417 417 417 417 417 417

3540 3350 3120 2850 2570 2300 2050

2110 1740 1450 1220 1040 892 775

425 425 425 425 425 425 425

HOT-FINISHED   CELSIUS

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 168: Steel Section Capacities BS 5950 Spreadsheet

509 509 509 509 509 509 509

4370 4130 3840 3500 3150 2810 2510

2560 2110 1750 1470 1250 1080 935

619 619 619 619 619 619 619

5470 5160 4770 4340 3890 3470 3090

3130 2570 2130 1790 1520 1310 1140

761 761 761 761 761 761 761

3500 3390 3240 3060 2860 2630 2400

2740 2380 2040 1750 1510 1310 1140

475 475 475 475 475 475 475

4330 4190 4000 3780 3520 3240 2950

3360 2910 2490 2130 1830 1590 1390

582 582 582 582 582 582 582

699 699 699 699 699 699 699

5350 5170 4940 4660 4330 3970 3620

4110 3550 3030 2590 2230 1930 1690

852 852 852 852 852 852 852

6740 6500 6200 5830 5400 4950 4490

5080 4360 3720 3170 2720 2360 2060

1050 1050 1050 1050 1050 1050 1050

AXIAL LOAD & BENDING

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

8 9 10 11 12 13 14

4110 4020 3900 3760 3590 3390 3170

3610 3310 2970 2620 2310 2020 1780

621 621 621 621 621 621 621

5100 4980 4830 4650 4440 4190 3910

4480 4110 3680 3250 2860 2510 2210

763 763 763 763 763 763 763

916 916 916 916 916 916 916

6310 6160 5970 5750 5480 5160 4810

5520 5050 4520 3990 3500 3070 2700

935 935 935 935 935 935 935

HOT-FINISHED   CELSIUS

Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 169: Steel Section Capacities BS 5950 Spreadsheet

1120 1120 1120 1120 1120 1120 1120

7970 7770 7530 7240 6880 6470 6020

6920 6300 5610 4930 4310 3780 3330

1390 1390 1390 1390 1390 1390 1390

9560 9330 9050 8700 8290 7800 7270

8270 7520 6690 5880 5150 4510 3970

1640 1640 1640 1640 1640 1640 1640

Page 170: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>SQUARE HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Mass Axial load

per Capacity for

D t Metre Semi-Compact

mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

40x40 3.41 119 n/a 1.61 1.61 1.61 1.61 1.61 1.61 1.61 1.61

1 1.61 1.61 1.56 1.45 1.3 1.11 0.899 0.685

3.61 126 n/a 1.69 1.69 1.69 1.69 1.69 1.69 1.69 1.69

1 1.69 1.69 1.64 1.52 1.36 1.17 0.949 0.723

4.39 154 n/a 1.95 1.95 1.95 1.95 1.95 1.95 1.95 1.95

1 1.95 1.95 1.94 1.8 1.62 1.39 1.13 0.869

5.28 185 n/a 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2

1 2.2 2.2 2.2 2.1 1.88 1.63 1.34 1.03

50x50 4.35 152 n/a 2.67 2.67 2.67 2.67 2.67 2.67 2.67 2.67

1 2.67 2.63 2.53 2.35 2.1 1.79 1.45 1.1

4.62 162 n/a 2.8 2.8 2.8 2.8 2.8 2.8 2.8 2.8

1 2.8 2.77 2.66 2.47 2.21 1.89 1.54 1.17

5.64 198 n/a 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3

1 3.3 3.3 3.2 2.98 2.67 2.28 1.85 1.41

6.85 240 n/a 3.83 3.83 3.83 3.83 3.83 3.83 3.83 3.83

1 3.83 3.83 3.78 3.52 3.15 2.71 2.21 1.7

8.31 292 n/a 4.32 4.32 4.32 4.32 4.32 4.32 4.32 4.32

1 4.32 4.32 4.32 4.12 3.69 3.2 2.63 2.03

60x60 5.29 185 n/a 3.93 3.93 3.93 3.93 3.93 3.93 3.93 3.93

1 3.93 3.88 3.72 3.46 3.1 2.64 2.14 1.62

5.62 197 n/a 4.18 4.18 4.18 4.18 4.18 4.18 4.18 4.18

1 4.18 4.12 3.96 3.68 3.3 2.8 2.26 1.72

6.9 242 n/a 4.98 4.98 4.98 4.98 4.98 4.98 4.98 4.98

1 4.98 4.97 4.77 4.43 3.97 3.39 2.75 2.09

8.42 294 n/a 5.87 5.87 5.87 5.87 5.87 5.87 5.87 5.87

1 5.87 5.87 5.71 5.31 4.76 4.06 3.3 2.52

10.3 360 n/a 6.77 6.77 6.77 6.77 6.77 6.77 6.77 6.77

1 6.77 6.77 6.77 6.31 5.65 4.85 3.97 3.04

12.5 440 n/a 7.66 7.66 7.66 7.66 7.66 7.66 7.66 7.66

1 7.66 7.66 7.66 7.37 6.6 5.75 4.74 3.66

70x70 7.4 259 n/a 6.41 6.41 6.41 6.41 6.41 6.41 6.41 6.41

1 6.41 6.32 6.07 5.64 5.05 4.3 3.48 2.64

9.99 349 n/a 8.35 8.35 8.35 8.35 8.35 8.35 8.35 8.35

1 8.35 8.35 8.03 7.47 6.7 5.69 4.62 3.51

12.3 429 n/a 9.8 9.8 9.8 9.8 9.8 9.8 9.8 9.8

1 9.8 9.8 9.62 8.95 8.02 6.85 5.59 4.27

15 528 n/a 11.3 11.3 11.3 11.3 11.3 11.3 11.3 11.3

1 11.3 11.3 11.3 10.6 9.51 8.22 6.74 5.18

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P

F/Pz

   3.0 ~ Mc

Mr

   3.2 ~ Mc

Mr

   4.0 Mc

Mr

   5.0 ~ Mc

Mr

   3.0 ~ Mc

Mr

   3.2 ~ Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   6.3 ~ Mc

Mr

   3.0 ~ Mc

Mr

   3.2 ~ Mc

Mr

   4.0 ~ Mc

Mr

   5.0 Mc

Mr

   6.3 ~ Mc

Mr

   8.0 ~ Mc

Mr

   3.6 ~ Mc

Mr

   5.0 ~ Mc

Mr

   6.3 ~ Mc

Mr

   8.0 ~ Mc

Mr

Page 171: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>SQUARE HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Mass Axial load

per Capacity for

D t Metre Semi-Compact

mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

80x80 8.53 299 n/a 8.53 8.53 8.53 8.53 8.53 8.53 8.53 8.53

1 8.53 8.41 8.07 7.51 6.72 5.71 4.61 3.49

9.41 330 n/a 9.35 9.35 9.35 9.35 9.35 9.35 9.35 9.35

1 9.35 9.23 8.86 8.24 7.37 6.27 5.07 3.84

11.6 404 n/a 11.3 11.3 11.3 11.3 11.3 11.3 11.3 11.3

1 11.3 11.2 10.7 9.97 8.93 7.59 6.15 4.67

14.2 498 n/a 13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4

1 13.4 13.4 13 12.1 10.8 9.19 7.48 5.7

17.5 616 n/a 15.6 15.6 15.6 15.6 15.6 15.6 15.6 15.6

1 15.6 15.6 15.5 14.4 12.9 11.1 9.09 6.96

90x90 9.66 338 n/a 10.9 10.9 10.9 10.9 10.9 10.9 10.9 10.9

1 10.9 10.8 10.3 9.62 8.61 7.31 5.9 4.46

10.7 374 n/a 12 12 12 12 12 12 12 12

1 12 11.8 11.4 10.6 9.45 8.05 6.5 4.92

13.1 459 n/a 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6

1 14.6 14.4 13.8 12.8 11.5 9.77 7.91 6

16.2 569 n/a 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5

1 17.5 17.4 16.7 15.6 13.9 11.9 9.68 7.37

20.1 704 n/a 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7

1 20.7 20.7 20.2 18.8 16.8 14.5 11.8 9.01

100x100 11.9 418 n/a 15 15 15 15 15 15 15 15

1 15 14.8 14.2 13.2 11.8 10 8.1 6.12

14.7 514 n/a 18.3 18.3 18.3 18.3 18.3 18.3 18.3 18.3

1 18.3 18 17.3 16.1 14.4 12.2 9.88 7.49

18.2 638 n/a 22.1 22.1 22.1 22.1 22.1 22.1 22.1 22.1

1 22.1 22 21.1 19.6 17.5 15 12.1 9.21

22.6 792 n/a 26.4 26.4 26.4 26.4 26.4 26.4 26.4 26.4

1 26.4 26.4 25.6 23.8 21.3 18.3 14.8 11.3

27.4 960 n/a 30.5 30.5 30.5 30.5 30.5 30.5 30.5 30.5

1 30.5 30.5 30.2 28.1 25.2 21.7 17.7 13.6

120x120 17.8 624 n/a 26.8 26.8 26.8 26.8 26.8 26.8 26.8 26.8

1 26.8 26.5 25.4 23.7 21.2 18 14.5 11

22.2 776 n/a 33 33 33 33 33 33 33 33

1 33 32.6 31.3 29.1 26.1 22.1 17.8 13.5

27.6 968 n/a 40 40 40 40 40 40 40 40

1 40 39.8 38.2 35.5 31.8 27.1 22 16.7

33.7 1180 n/a 46.9 46.9 46.9 46.9 46.9 46.9 46.9 46.9

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P

F/Pz

   3.6 ~ Mc

Mr

   4.0 ~ Mc

Mr

   5.0 ~ Mc

Mr

   6.3 Mc

Mr

   8.0 ~ Mc

Mr

   3.6 ~ Mc

Mr

   4.0 ~ Mc

Mr

   5.0 ~ Mc

Mr

   6.3 ~ Mc

Mr

   8.0 ~ Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   6.3 Mc

Mr

   8.0 ~ Mc

Mr

   10.0 Mc

Mr

   5.0 ~ Mc

Mr

   6.3 Mc

Mr

   8.0 ~ Mc

Mr

   10.0 ~ Mc

Page 172: Steel Section Capacities BS 5950 Spreadsheet

1 46.9 46.9 45.6 42.5 38.1 32.5 26.5 20.2

40.9 1430 n/a 54 54 54 54 54 54 54 54

1 54 54 53.9 50.2 45 38.6 31.6 24.2

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>SQUARE HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Mass Axial load

per Capacity for

D t Metre Semi-Compact

mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

140x140 21 734 n/a 37.1 37.1 37.1 37.1 37.1 37.1 37.1 37.1

1 37.1 36.6 35.2 32.7 29.3 24.8 20 15.1

26.1 916 n/a 45.7 45.7 45.7 45.7 45.7 45.7 45.7 45.7

1 45.7 45 43.2 40.2 36 30.6 24.7 18.7

32.6 1140 n/a 56.1 56.1 56.1 56.1 56.1 56.1 56.1 56.1

1 56.1 55.4 53.1 49.4 44.2 37.8 30.6 23.2

40 1400 n/a 66.7 66.7 66.7 66.7 66.7 66.7 66.7 66.7

1 66.7 66.7 64.1 59.6 53.4 45.6 37 28.2

48.7 1710 n/a 77.9 77.9 77.9 77.9 77.9 77.9 77.9 77.9

1 77.9 77.9 76.3 71 63.6 54.6 44.5 34

150x150 22.6 789 n/a 42.9 42.9 42.9 42.9 42.9 42.9 42.9 42.9

1 42.9 42.3 40.6 37.8 33.8 28.6 23.1 17.4

28.1 984 n/a 52.8 52.8 52.8 52.8 52.8 52.8 52.8 52.8

1 52.8 52.1 50 46.5 41.6 35.4 28.6 21.6

35.1 1230 n/a 65.2 65.2 65.2 65.2 65.2 65.2 65.2 65.2

1 65.2 64.3 61.7 57.4 51.4 43.8 35.4 26.8

43.1 1510 n/a 77.9 77.9 77.9 77.9 77.9 77.9 77.9 77.9

1 77.9 77.6 74.5 69.3 62.1 52.9 42.9 32.6

52.7 1850 n/a 91.4 91.4 91.4 91.4 91.4 91.4 91.4 91.4

1 91.4 91.4 89.1 82.9 74.2 63.6 51.8 39.5

65.2 2280 n/a 107 107 107 107 107 107 107 107

1 107 107 107 99.7 89.3 76.8 62.8 48.2

160x160 24.1 844 n/a 49 49 49 49 49 49 49 49

1 49 48.3 46.4 43.1 38.6 32.7 26.3 19.9

30.1 1050 n/a 60.5 60.5 60.5 60.5 60.5 60.5 60.5 60.5

1 60.5 59.7 57.3 53.3 47.7 40.5 32.7 24.7

37.6 1320 n/a 74.8 74.8 74.8 74.8 74.8 74.8 74.8 74.8

1 74.8 73.8 70.8 65.9 59 50.2 40.6 30.7

46.3 1620 n/a 90.1 90.1 90.1 90.1 90.1 90.1 90.1 90.1

1 90.1 89.3 85.7 79.7 71.4 60.8 49.3 37.4

56.6 1980 n/a 106 106 106 106 106 106 106 106

1 106 106 103 95.8 85.8 73.3 59.6 45.4

Mr

   12.5 ~ Mc

Mr

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P

F/Pz

   5.0 ~ Mc

Mr

   6.3 ~ Mc

Mr

   8.0 ~ Mc

Mr

   10.0 ~ Mc

Mr

   12.5 ~ Mc

Mr

   5.0 ~ Mc

Mr

   6.3 Mc

Mr

   8.0 ~ Mc

Mr

   10.0 Mc

Mr

   12.5 ~ Mc

Mr

   16.0 ~ Mc

Mr

   5.0 ~ Mc

Mr

   6.3 ~ Mc

Mr

   8.0 ~ Mc

Mr

   10.0 ~ Mc

Mr

   12.5 ~ Mc

Mr

Page 173: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>SQUARE HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Mass Axial load

per Capacity for

D t Metre Semi-Compact

mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

180x180 34 1190 n/a 77.3 77.3 77.3 77.3 77.3 77.3 77.3 77.3

1 77.3 76.3 73.2 68.1 60.9 51.7 41.7 31.5

42.7 1500 n/a 96 96 96 96 96 96 96 96

1 96 94.7 90.9 84.5 75.6 64.4 52 39.3

52.5 1840 n/a 117 117 117 117 117 117 117 117

1 117 115 110 103 92 78.3 63.3 48

64.4 2260 n/a 139 139 139 139 139 139 139 139

1 139 139 133 124 111 94.7 76.9 58.5

80.2 2810 n/a 165 165 165 165 165 165 165 165

1 165 165 162 151 135 116 94.2 71.9

200x200 30.4 1060 1 70.8 70.8 70.8 70.8 70.8 70.8 70.8 70.8

0 - - - - - - - -

38 1330 n/a 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3

1 96.3 95 91.1 84.7 75.8 64.5 51.9 39.2

47.7 1670 n/a 120 120 120 120 120 120 120 120

1 120 118 114 106 94.5 80.3 64.8 49

58.8 2060 n/a 146 146 146 146 146 146 146 146

1 146 144 138 129 115 97.9 79.1 60

72.3 2530 n/a 176 176 176 176 176 176 176 176

1 176 174 167 156 140 119 96.3 73.2

90.3 3160 n/a 211 211 211 211 211 211 211 211

1 211 211 205 190 170 146 119 90.4

250x250 47.9 1680 1 140 140 140 140 140 140 140 140

0 - - - - - - - -

60.3 2110 n/a 191 191 191 191 191 191 191 191

1 191 188 181 168 150 128 103 77.7

74.5 2610 n/a 234 234 234 234 234 234 234 234

1 234 231 222 206 184 157 126 95.5

91.9 3220 n/a 285 285 285 285 285 285 285 285

1 285 281 270 251 225 191 155 117

115 4040 n/a 350 350 350 350 350 350 350 350

1 350 347 333 310 278 237 192 146

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>SQUARE HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P

F/Pz

   6.3 ~ Mc

Mr

   8.0 ~ Mc

Mr

   10.0 ~ Mc

Mr

   12.5 ~ Mc

Mr

   16.0 ~ Mc

Mr

   5.0 ~ Mc

Mr

   6.3 ~ Mc

Mr

   8.0 ~ Mc

Mr

   10.0 Mc

Mr

   12.5 ~ Mc

Mr

   16.0 ~ Mc

Mr

   6.3 ~ Mc

Mr

   8.0 ~ Mc

Mr

   10.0 ~ Mc

Mr

   12.5 ~ Mc

Mr

   16.0 ~ Mc

Mr

HOT-FINISHED   CELSIUS

Page 174: Steel Section Capacities BS 5950 Spreadsheet

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Mass Axial load

per Capacity for

D t Metre Semi-Compact

mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

300x300 57.8 2020*

181 181 181 181 181 181 181 181

- - - - - - - -

72.8 2550 1 265 265 265 265 265 265 265 265

0 - - - - - - - -

90.2 3160 n/a 343 343 343 343 343 343 343 343

1 343 338 324 302 270 229 185 139

112 3910 n/a 419 419 419 419 419 419 419 419

1 419 414 397 369 331 281 227 172

141 4920 n/a 521 521 521 521 521 521 521 521

1 521 514 494 459 411 350 283 215

350x350 85.4 3000*

328 328 328 328 328 328 328 328

- - - - - - - -

106 3710 n/a 472 472 472 472 472 472 472 472

1 472 465 447 415 371 316 254 192

131 4590 n/a 579 579 579 579 579 579 579 579

1 579 572 549 510 457 388 312 236

166 5800 n/a 723 723 723 723 723 723 723 723

1 723 714 685 637 570 485 392 296

400x400 122 4260 1 565 565 565 565 565 565 565 565

0 - - - - - - - -

151 5280 n/a 765 765 765 765 765 765 765 765

1 765 755 724 674 603 512 412 311

191 6680 n/a 958 958 958 958 958 958 958 958

1 958 945 907 844 755 642 518 391

235 7950 n/a 1130 1130 1130 1130 1130 1130 1130 1130

1 1130 1110 1070 991 887 756 611 463

F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P

F/Pz

   6.3 ~ Mc

Mr

   8.0 ~ Mc

Mr

   10.0 ~ Mc

Mr

   12.5 ~ Mc

Mr

   16.0 ~ Mc

Mr

   8.0 ~ Mc

Mr

   10.0 ~ Mc

Mr

   12.5 ~ Mc

Mr

   16.0 ~ Mc

Mr

   10.0 ~ Mc

Mr

   12.5 Mc

Mr

   16.0 ~ Mc

Mr

   20.0 ~ Mc

Mr

Page 175: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

for and Capacities Limit for

D t

0.8 0.9 1 mm mm 1 1.5 2 2.5 3 3.5 4 5 6

1.61 1.61 1.61 40x40 1 99.5 68.3 42.9 28.6 20.3 15.1 11.7 7.56 5.29

0.463 0.235 0

1.69 1.69 1.69 1 105 71.7 45 30 21.3 15.8 12.2 7.91 5.54

0.49 0.249 0

1.95 1.95 1.95 1 126 83.8 52.1 34.6 24.5 18.2 14.1 9.12 6.38

0.591 0.301 0

2.2 2.2 2.2 1 149 96.8 59.7 39.5 28 20.8 16.1 10.4 7.27

0.705 0.361 0

2.67 2.67 2.67 50x50 1 138 114 81.6 56.6 40.8 30.6 23.7 15.5 10.8

0.744 0.376 0

2.8 2.8 2.8 1 146 121 85.9 59.5 42.9 32.2 24.9 16.2 11.4

0.788 0.399 0

3.3 3.3 3.3 1 178 145 102 70.1 50.4 37.8 29.3 19.1 13.4

0.958 0.487 0

3.83 3.83 3.83 1 214 173 119 81.9 58.8 44 34.1 22.2 15.5

1.15 0.589 0

4.32 4.32 4.32 1 258 203 137 93.7 67.1 50.1 38.8 25.2 17.7

1.39 0.711 0

3.93 3.93 3.93 60x60 1 174 157 128 95 70.4 53.4 41.7 27.3 19.2

1.09 0.551 0

4.18 4.18 4.18 1 184 166 135 100 74.2 56.3 44 28.8 20.3

1.16 0.584 0

4.98 4.98 4.98 1 226 202 162 120 88.3 67 52.3 34.2 24.1

1.41 0.716 0

5.87 5.87 5.87 1 274 244 194 142 104 78.9 61.5 40.2 28.3

1.71 0.868 0

6.77 6.77 6.77 1 334 295 230 166 122 91.8 71.5 46.7 32.9

2.07 1.06 0

7.66 7.66 7.66 1 405 352 267 191 139 105 81.4 53.1 37.3

2.5 1.29 0

6.41 6.41 6.41 70x70 1 247 231 203 164 127 97.9 77.2 51 36

1.78 0.897 0

8.35 8.35 8.35 1 332 309 270 215 165 127 99.9 65.9 46.5

2.38 1.21 0

9.8 9.8 9.8 1 407 377 326 256 195 150 118 77.5 54.7

2.9 1.48 0

11.3 11.3 11.3 1 499 459 390 302 228 174 137 89.8 63.3

3.53 1.81 0

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

   3.0 ~

pyZ = 1.34

   3.2 ~

pyZ = 1.41

   4.0

pyZ = 1.63

   5.0 ~

pyZ = 1.84

   3.0 ~

pyZ = 2.22

   3.2 ~

pyZ = 2.33

   4.0

pyZ = 2.75

   5.0

pyZ = 3.19

   6.3 ~

pyZ = 3.6

   3.0 ~

pyZ = 3.33

   3.2 ~

pyZ = 3.49

   4.0 ~

pyZ = 4.15

   5.0

pyZ = 4.9

   6.3 ~

pyZ = 5.64

   8.0 ~

pyZ = 6.38

   3.6 ~

pyZ = 5.39

   5.0 ~

pyZ = 6.96

   6.3 ~

pyZ = 8.17

   8.0 ~

pyZ = 9.41

Page 176: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

for and Capacities Limit for

D t

0.8 0.9 1 mm mm 1 1.5 2 2.5 3 3.5 4 5 6

8.53 8.53 8.53 80x80 1 289 275 253 220 180 143 114 76.6 54.4

2.35 1.18 0

9.35 9.35 9.35 1 319 303 279 242 197 156 125 83.6 59.4

2.59 1.31 0

11.3 11.3 11.3 1 390 370 340 292 237 188 150 100 71

3.15 1.6 0

13.4 13.4 13.4 1 479 454 414 353 284 224 178 119 84.2

3.86 1.96 0

15.6 15.6 15.6 1 592 559 506 425 338 265 210 140 98.9

4.74 2.42 0

10.9 10.9 10.9 90x90 1 330 317 299 273 236 195 160 109 77.8

3 1.51 0

12 12 12 1 365 350 331 300 259 214 175 119 85.1

3.31 1.67 0

14.6 14.6 14.6 1 447 429 404 366 313 258 210 142 102

4.04 2.04 0

17.5 17.5 17.5 1 554 531 499 449 382 313 254 172 123

4.98 2.53 0

20.7 20.7 20.7 1 684 655 612 546 460 373 302 204 145

6.12 3.11 0

15 15 15 100x100 1 410 397 380 355 320 276 232 162 117

4.11 2.07 0

18.3 18.3 18.3 1 505 488 466 434 389 334 280 195 140

5.04 2.55 0

22.1 22.1 22.1 1 625 604 576 535 477 407 339 235 169

6.22 3.15 0

26.4 26.4 26.4 1 775 748 712 659 583 494 409 282 203

7.67 3.9 0

30.5 30.5 30.5 1 938 904 857 788 691 580 477 328 235

9.23 4.71 0

26.8 26.8 26.8 120x120 1 619 603 585 562 530 487 433 324 241

7.37 3.71 0

33 33 33 1 768 749 726 696 654 599 531 395 292

9.11 4.6 0

40 40 40 1 958 934 904 865 811 739 652 482 355

11.3 5.73 0

46.9 46.9 46.9 1 1170 1140 1100 1050 979 887 777 569 418

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

   3.6 ~

pyZ = 7.21

   4.0 ~

pyZ = 7.87

   5.0 ~

pyZ = 9.41

   6.3

pyZ = 11.1

   8.0 ~

pyZ = 13.0

   3.6 ~

pyZ = 9.3

   4.0 ~

pyZ = 10.2

   5.0 ~

pyZ = 12.2

   6.3 ~

pyZ = 14.6

   8.0 ~

pyZ = 17.2

   4.0

pyZ = 12.8

   5.0

pyZ = 15.4

   6.3

pyZ = 18.5

   8.0 ~

pyZ = 22.0

   10.0

pyZ = 25.4

   5.0 ~

pyZ = 22.8

   6.3

pyZ = 27.5

   8.0 ~

pyZ = 33.3

   10.0 ~

Page 177: Steel Section Capacities BS 5950 Spreadsheet

13.7 6.96 0

54 54 54 1 1410 1380 1330 1260 1170 1050 913 661 483

16.5 8.42 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

for and Capacities Limit for

D t

0.8 0.9 1 mm mm 2 3 4 5 6 7 8 9 10

37.1 37.1 37.1 140x140 1 702 657 583 476 369 287 226 182 150

10.1 5.1 0

45.7 45.7 45.7 1 874 817 722 586 453 351 277 223 183

12.6 6.35 0

56.1 56.1 56.1 1 1090 1020 893 719 553 427 336 271 222

15.7 7.92 0

66.7 66.7 66.7 1 1330 1240 1080 860 658 507 399 321 263

19 9.66 0

77.9 77.9 77.9 1 1620 1500 1300 1020 776 596 468 376 308

23.1 11.7 0

42.9 42.9 42.9 150x150 1 759 718 653 553 441 347 276 223 183

11.7 5.88 0

52.8 52.8 52.8 1 946 894 810 684 544 427 339 274 225

14.5 7.32 0

65.2 65.2 65.2 1 1180 1120 1010 843 667 522 414 334 275

18.1 9.14 0

77.9 77.9 77.9 1 1450 1360 1220 1020 798 622 493 398 327

22.1 11.2 0

91.4 91.4 91.4 1 1770 1660 1480 1210 947 736 582 469 385

26.8 13.6 0

107 107 107 1 2180 2030 1790 1450 1120 866 682 549 451

32.8 16.8 0

49 49 49 160x160 1 817 778 720 629 517 414 332 269 222

13.3 6.71 0

60.5 60.5 60.5 1 1020 970 895 780 639 510 408 331 273

16.6 8.36 0

74.8 74.8 74.8 1 1280 1210 1120 966 787 626 500 406 334

20.7 10.5 0

90.1 90.1 90.1 1 1560 1480 1360 1170 947 750 598 485 399

25.3 12.8 0

106 106 106 1 1910 1810 1650 1410 1130 891 709 574 473

30.8 15.6 0

pyZ = 39.1

   12.5 ~

pyZ = 45.0

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

   5.0 ~

pyZ = 31.6

   6.3 ~

pyZ = 38.8

   8.0 ~

pyZ = 47.0

   10.0 ~

pyZ = 55.6

   12.5 ~

pyZ = 64.9

   5.0 ~

pyZ = 36.9

   6.3

pyZ = 44.8

   8.0 ~

pyZ = 54.7

   10.0

pyZ = 64.9

   12.5 ~

pyZ = 76.2

   16.0 ~

pyZ = 89.1

   5.0 ~

pyZ = 42.1

   6.3 ~

pyZ = 51.4

   8.0 ~

pyZ = 63.0

   10.0 ~

pyZ = 75.1

   12.5 ~

pyZ = 88.6

Page 178: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

for and Capacities Limit for

D t

0.8 0.9 1 mm mm 2 3 4 5 6 7 8 9 10

77.3 77.3 77.3 180x180 1 1160 1120 1060 962 833 691 565 464 386

21.1 10.6 0

96 96 96 1 1460 1400 1320 1200 1040 856 699 574 476

26.5 13.3 0

117 117 117 1 1790 1720 1620 1470 1260 1030 842 690 572

32.4 16.4 0

139 139 139 1 2200 2110 1980 1780 1510 1240 1010 823 682

39.5 20 0

165 165 165 1 2730 2610 2440 2180 1830 1490 1200 982 813

48.8 24.9 0

70.8 70.8 70.8 200x200 1 1050 1010 970 910 824 716 604 505 424

- - -

96.3 96.3 96.3 1 1310 1270 1210 1130 1030 888 747 624 523

26.3 13.2 0

120 120 120 1 1640 1590 1520 1420 1280 1100 925 771 646

32.9 16.6 0

146 146 146 1 2020 1950 1870 1740 1560 1340 1120 932 780

40.4 20.4 0

176 176 176 1 2480 2400 2290 2130 1900 1620 1350 1120 935

49.4 25 0

211 211 211 1 3100 2990 2840 2630 2330 1970 1630 1350 1130

61.3 31.1 0

140 140 140 250x250 1 1670 1630 1580 1530 1460 1360 1230 1090 951

- - -

191 191 191 1 2100 2050 1990 1920 1830 1700 1540 1360 1190

52.1 26.2 0

234 234 234 1 2590 2530 2460 2370 2250 2090 1890 1660 1450

64.2 32.4 0

285 285 285 1 3200 3120 3030 2920 2770 2560 2310 2030 1750

78.9 39.9 0

350 350 350 1 4010 3910 3800 3650 3450 3180 2850 2490 2150

98.5 49.9 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

   6.3 ~

pyZ = 66.3

   8.0 ~

pyZ = 81.4

   10.0 ~

pyZ = 97.6

   12.5 ~

pyZ = 116

   16.0 ~

pyZ = 138

   5.0 ~

pyZ = 67.4

   6.3 ~

pyZ = 82.8

   8.0 ~

pyZ = 102

   10.0

pyZ = 123

   12.5 ~

pyZ = 147

   16.0 ~

pyZ = 176

   6.3 ~

pyZ = 132

   8.0 ~

pyZ = 164

   10.0 ~

pyZ = 199

   12.5 ~

pyZ = 240

   16.0 ~

pyZ = 292

HOT-FINISHED   CELSIUS

Page 179: Steel Section Capacities BS 5950 Spreadsheet

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

for and Capacities Limit for

D t

0.8 0.9 1 mm mm 2 3 4 5 6 7 8 9 10

181 155 $ 300x300*

1820 1800 1760 1730 1680 1620 1550 1470 1360

- - -

265 265 265 1 2550 2510 2460 2400 2330 2240 2120 1970 1800

- - -

343 343 343 1 3160 3100 3040 2970 2870 2760 2610 2430 2210

93.5 47.1 0

419 419 419 1 3910 3840 3760 3660 3550 3400 3220 2980 2710

115 58.1 0

521 521 521 1 4920 4830 4720 4600 4450 4260 4010 3710 3360

145 73.1 0

328 328 $ 350x350*

2940 2920 2870 2820 2760 2690 2600 2500 2370

- - -

472 472 472 1 3710 3680 3620 3550 3480 3380 3270 3140 2970

128 64.6 0

579 579 579 1 4590 4550 4470 4390 4290 4170 4030 3860 3640

158 79.8 0

723 723 723 1 5800 5740 5650 5540 5410 5270 5080 4850 4580

199 101 0

565 565 565 400x400 1 4260 4250 4190 4130 4060 3980 3890 3780 3650

- - -

765 765 765 1 5280 5260 5190 5110 5020 4920 4810 4670 4500

209 105 0

958 958 958 1 6680 6650 6560 6460 6350 6220 6070 5890 5670

263 133 0

1130 1130 1130 1 7950 7920 7800 7680 7550 7400 7220 7000 6750

312 157 0

(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

   6.3 ~

pyZ = 193

   8.0 ~

pyZ = 241

   10.0 ~

pyZ = 294

   12.5 ~

pyZ = 356

   16.0 ~

pyZ = 437

   8.0 ~

pyZ = 332

   10.0 ~

pyZ = 407

   12.5 ~

pyZ = 496

   16.0 ~

pyZ = 612

   10.0 ~

pyZ = 538

   12.5

pyZ = 658

   16.0 ~

pyZ = 816

   20.0 ~

pyZ = 948

Page 180: Steel Section Capacities BS 5950 Spreadsheet

<>

for

7 8 9 10

3.91 3 2.38 1.93

4.09 3.14 2.49 2.02

4.71 3.62 2.87 2.33

5.37 4.12 3.27 2.65

8.02 6.17 4.9 3.98

8.43 6.48 5.14 4.18

9.88 7.6 6.03 4.9

11.5 8.85 7.02 5.7

13.1 10.1 7.97 6.48

14.3 11 8.73 7.1

15 11.6 9.2 7.48

17.8 13.7 10.9 8.87

21 16.2 12.8 10.4

24.3 18.7 14.9 12.1

27.6 21.3 16.9 13.7

26.8 20.7 16.4 13.4

34.6 26.7 21.2 17.2

40.6 31.3 24.9 20.2

47 36.2 28.8 23.4

Compression Resistance Pc (kN)

(m) within the limiting value of F/Pz

Page 181: Steel Section Capacities BS 5950 Spreadsheet

<>

for

7 8 9 10

40.5 31.3 24.9 20.3

44.2 34.2 27.2 22.2

52.9 40.8 32.5 26.5

62.6 48.4 38.5 31.3

73.6 56.8 45.2 36.8

58.2 45.1 35.9 29.3

63.6 49.3 39.3 32

76 58.9 46.9 38.2

91.6 70.9 56.5 46.1

108 83.8 66.7 54.4

87.7 68.1 54.3 44.4

105 81.8 65.2 53.2

127 98.4 78.5 64.1

152 118 94 76.7

176 136 109 88.7

183 143 114 93.6

222 173 139 113

269 210 168 138

316 247 197 161

Compression Resistance Pc (kN)

(m) within the limiting value of F/Pz

Page 182: Steel Section Capacities BS 5950 Spreadsheet

365 285 228 186

<>

for

11 12 13 14

125 106 90.7 78.6

153 129 111 96

185 157 134 117

220 186 159 138

257 218 187 162

153 130 112 96.8

188 160 137 119

230 195 167 145

273 231 198 172

322 272 234 202

376 319 273 237

186 158 136 118

229 194 167 145

280 238 204 177

334 284 243 211

395 335 288 250

Compression Resistance Pc (kN)

(m) within the limiting value of F/Pz

Page 183: Steel Section Capacities BS 5950 Spreadsheet

<>

for

11 12 13 14

324 276 238 206

400 340 293 255

480 409 352 305

572 487 419 363

682 579 498 432

359 306 264 230

442 378 326 284

546 466 402 350

658 562 485 422

789 673 580 505

950 810 698 607

824 715 623 547

1030 889 775 679

1250 1080 942 826

1510 1310 1140 998

1850 1600 1390 1220

<>

Compression Resistance Pc (kN)

(m) within the limiting value of F/Pz

Page 184: Steel Section Capacities BS 5950 Spreadsheet

for

11 12 13 14

1240 1120 1000 896

1620 1440 1280 1140

1990 1770 1570 1390

2430 2160 1910 1690

2990 2650 2340 2070

2210 2040 1860 1690

2770 2550 2320 2100

3390 3110 2820 2550

4250 3890 3530 3190

3490 3300 3090 2870

4300 4070 3810 3530

5410 5100 4760 4400

6440 6080 5670 5250

Compression Resistance Pc (kN)

(m) within the limiting value of F/Pz

Page 185: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>SQUARE HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre Semi-Compact

mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

40x40 3.41 154 n/a 2.08 2.08 2.08 2.08 2.08 2.08 2.08 2.08

1 2.08 2.08 2.01 1.87 1.67 1.43 1.16 0.884

3.61 163 n/a 2.18 2.18 2.18 2.18 2.18 2.18 2.18 2.18

1 2.18 2.18 2.11 1.97 1.76 1.51 1.22 0.934

4.39 198 n/a 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52

1 2.52 2.52 2.5 2.33 2.09 1.79 1.46 1.12

5.28 239 n/a 2.85 2.85 2.85 2.85 2.85 2.85 2.85 2.85

1 2.85 2.85 2.85 2.71 2.43 2.1 1.73 1.33

50x50 4.35 197 n/a 3.44 3.44 3.44 3.44 3.44 3.44 3.44 3.44

1 3.44 3.4 3.26 3.03 2.72 2.31 1.87 1.42

4.62 209 n/a 3.62 3.62 3.62 3.62 3.62 3.62 3.62 3.62

1 3.62 3.57 3.43 3.19 2.85 2.45 1.98 1.51

5.64 255 n/a 4.26 4.26 4.26 4.26 4.26 4.26 4.26 4.26

1 4.26 4.26 4.14 3.85 3.45 2.94 2.39 1.82

6.85 310 n/a 4.94 4.94 4.94 4.94 4.94 4.94 4.94 4.94

1 4.94 4.94 4.88 4.54 4.07 3.5 2.86 2.19

8.31 376 n/a 5.58 5.58 5.58 5.58 5.58 5.58 5.58 5.58

1 5.58 5.58 5.58 5.32 4.77 4.13 3.4 2.62

60x60 5.29 239 n/a 5.08 5.08 5.08 5.08 5.08 5.08 5.08 5.08

1 5.08 5.01 4.81 4.47 4 3.41 2.76 2.09

5.62 254 n/a 5.4 5.4 5.4 5.4 5.4 5.4 5.4 5.4

1 5.4 5.32 5.11 4.76 4.26 3.61 2.92 2.22

6.9 312 n/a 6.43 6.43 6.43 6.43 6.43 6.43 6.43 6.43

1 6.43 6.41 6.15 5.73 5.13 4.37 3.55 2.7

8.42 380 n/a 7.58 7.58 7.58 7.58 7.58 7.58 7.58 7.58

1 7.58 7.58 7.37 6.86 6.15 5.24 4.26 3.25

10.3 465 n/a 8.73 8.73 8.73 8.73 8.73 8.73 8.73 8.73

1 8.73 8.73 8.73 8.14 7.3 6.27 5.13 3.93

12.5 568 n/a 9.88 9.88 9.88 9.88 9.88 9.88 9.88 9.88

1 9.88 9.88 9.88 9.51 8.52 7.43 6.12 4.72

70x70 7.4 334 n/a 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27

1 8.27 8.16 7.83 7.29 6.52 5.56 4.49 3.4

9.99 451 n/a 10.8 10.8 10.8 10.8 10.8 10.8 10.8 10.8

1 10.8 10.8 10.4 9.65 8.64 7.34 5.96 4.54

12.3 554 n/a 12.7 12.7 12.7 12.7 12.7 12.7 12.7 12.7

1 12.7 12.7 12.4 11.6 10.4 8.84 7.21 5.51

15 682 n/a 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6

1 14.6 14.6 14.6 13.7 12.3 10.6 8.7 6.68

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P

F/Pz

   3.0 Mc

Mr

   3.2 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   3.0 Mc

Mr

   3.2 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   6.3 Mc

Mr

   3.0 Mc

Mr

   3.2 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   6.3 Mc

Mr

   8.0 Mc

Mr

   3.6 Mc

Mr

   5.0 Mc

Mr

   6.3 Mc

Mr

   8.0 Mc

Mr

Page 186: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>SQUARE HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre Semi-Compact

mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

80x80 8.53 386 n/a 11 11 11 11 11 11 11 11

1 11 10.9 10.4 9.7 8.68 7.37 5.95 4.5

9.41 426 n/a 12.1 12.1 12.1 12.1 12.1 12.1 12.1 12.1

1 12.1 11.9 11.4 10.6 9.51 8.1 6.55 4.96

11.6 522 n/a 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6

1 14.6 14.4 13.8 12.9 11.5 9.8 7.94 6.03

14.2 643 n/a 17.3 17.3 17.3 17.3 17.3 17.3 17.3 17.3

1 17.3 17.3 16.7 15.6 14 11.9 9.65 7.36

17.5 795 n/a 20.1 20.1 20.1 20.1 20.1 20.1 20.1 20.1

1 20.1 20.1 20 18.6 16.7 14.4 11.7 8.99

90x90 9.66 437 n/a 14.1 14.1 14.1 14.1 14.1 14.1 14.1 14.1

1 14.1 13.9 13.3 12.4 11.1 9.44 7.61 5.75

10.7 483 n/a 15.5 15.5 15.5 15.5 15.5 15.5 15.5 15.5

1 15.5 15.3 14.7 13.6 12.2 10.4 8.39 6.35

13.1 593 n/a 18.8 18.8 18.8 18.8 18.8 18.8 18.8 18.8

1 18.8 18.6 17.8 16.6 14.9 12.6 10.2 7.74

16.2 735 n/a 22.6 22.6 22.6 22.6 22.6 22.6 22.6 22.6

1 22.6 22.5 21.6 20.1 18 15.4 12.5 9.51

20.1 909 n/a 26.7 26.7 26.7 26.7 26.7 26.7 26.7 26.7

1 26.7 26.7 26.1 24.3 21.7 18.7 15.2 11.6

100x100 11.9 540 n/a 19.3 19.3 19.3 19.3 19.3 19.3 19.3 19.3

1 19.3 19.1 18.3 17 15.2 13 10.5 7.9

14.7 664 n/a 23.6 23.6 23.6 23.6 23.6 23.6 23.6 23.6

1 23.6 23.3 22.3 20.8 18.6 15.8 12.8 9.66

18.2 824 n/a 28.6 28.6 28.6 28.6 28.6 28.6 28.6 28.6

1 28.6 28.3 27.2 25.3 22.7 19.3 15.7 11.9

22.6 1020 n/a 34 34 34 34 34 34 34 34

1 34 34 33 30.7 27.5 23.6 19.2 14.6

27.4 1240 n/a 39.4 39.4 39.4 39.4 39.4 39.4 39.4 39.4

1 39.4 39.4 39 36.3 32.5 28 22.9 17.5

120x120 17.8 806 n/a 34.6 34.6 34.6 34.6 34.6 34.6 34.6 34.6

1 34.6 34.2 32.8 30.5 27.3 23.2 18.7 14.1

22.2 1000 n/a 42.6 42.6 42.6 42.6 42.6 42.6 42.6 42.6

1 42.6 42 40.4 37.6 33.6 28.5 23 17.5

27.6 1250 n/a 51.6 51.6 51.6 51.6 51.6 51.6 51.6 51.6

1 51.6 51.3 49.3 45.8 41 35 28.4 21.6

33.7 1520 n/a 60.5 60.5 60.5 60.5 60.5 60.5 60.5 60.5

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P

F/Pz

   3.6 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   6.3 Mc

Mr

   8.0 Mc

Mr

   3.6 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   6.3 Mc

Mr

   8.0 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   6.3 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   5.0 Mc

Mr

   6.3 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Page 187: Steel Section Capacities BS 5950 Spreadsheet

1 60.5 60.5 58.9 54.8 49.1 42 34.2 26.1

40.9 1850 n/a 69.7 69.7 69.7 69.7 69.7 69.7 69.7 69.7

1 69.7 69.7 69.6 64.8 58.1 49.9 40.8 31.3

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>SQUARE HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre Semi-Compact

mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

140x140 21 948 n/a 47.9 47.9 47.9 47.9 47.9 47.9 47.9 47.9

1 47.9 47.3 45.4 42.2 37.8 32 25.8 19.5

26.1 1180 n/a 58.9 58.9 58.9 58.9 58.9 58.9 58.9 58.9

1 58.9 58.1 55.8 51.9 46.4 39.5 31.9 24.2

32.6 1480 n/a 72.4 72.4 72.4 72.4 72.4 72.4 72.4 72.4

1 72.4 71.5 68.6 63.8 57.1 48.8 39.5 30

40 1810 n/a 86.1 86.1 86.1 86.1 86.1 86.1 86.1 86.1

1 86.1 86.1 82.7 77 68.9 58.8 47.8 36.4

48.7 2200 n/a 101 101 101 101 101 101 101 101

1 101 101 98.5 91.7 82.1 70.4 57.4 43.9

150x150 22.6 1020 n/a 55.4 55.4 55.4 55.4 55.4 55.4 55.4 55.4

1 55.4 54.6 52.5 48.8 43.7 36.9 29.8 22.5

28.1 1270 n/a 68.2 68.2 68.2 68.2 68.2 68.2 68.2 68.2

1 68.2 67.3 64.5 60 53.7 45.7 36.9 27.9

35.1 1590 n/a 84.1 84.1 84.1 84.1 84.1 84.1 84.1 84.1

1 84.1 83 79.7 74.1 66.3 56.5 45.7 34.7

43.1 1950 n/a 101 101 101 101 101 101 101 101

1 101 100 96.2 89.5 80.1 68.3 55.4 42.1

52.7 2380 n/a 118 118 118 118 118 118 118 118

1 118 118 115 107 95.8 82.1 66.8 51

65.2 2950 n/a 138 138 138 138 138 138 138 138

1 138 138 138 129 115 99.1 81.1 62.2

160x160 24.1 1090 1 61.9 61.9 61.9 61.9 61.9 61.9 61.9 61.9

0 - - - - - - - -

30.1 1360 n/a 78.1 78.1 78.1 78.1 78.1 78.1 78.1 78.1

1 78.1 77.1 74 68.8 61.6 52.3 42.2 31.9

37.6 1700 n/a 96.6 96.6 96.6 96.6 96.6 96.6 96.6 96.6

1 96.6 95.3 91.4 85.1 76.1 64.8 52.4 39.7

46.3 2090 n/a 116 116 116 116 116 116 116 116

1 116 115 111 103 92.2 78.5 63.6 48.3

56.6 2560 n/a 137 137 137 137 137 137 137 137

1 137 137 133 124 111 94.6 76.9 58.6

Mr

   12.5 Mc

Mr

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P

F/Pz

   5.0 Mc

Mr

   6.3 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.5 Mc

Mr

   5.0 Mc

Mr

   6.3 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.5 Mc

Mr

   16.0 Mc

Mr

   5.0 Mc

Mr

   6.3 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.5 Mc

Mr

Page 188: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>SQUARE HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre Semi-Compact

mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

180x180 34 1540 n/a 99.8 99.8 99.8 99.8 99.8 99.8 99.8 99.8

1 99.8 98.4 94.5 87.9 78.6 66.8 53.8 40.6

42.7 1930 n/a 124 124 124 124 124 124 124 124

1 124 122 117 109 97.6 83.1 67.1 50.8

52.5 2370 n/a 151 151 151 151 151 151 151 151

1 151 149 143 133 119 101 81.8 62

64.4 2910 n/a 179 179 179 179 179 179 179 179

1 179 179 172 160 143 122 99.2 75.5

80.2 3630 n/a 213 213 213 213 213 213 213 213

1 213 213 209 194 174 149 122 92.9

200x200 30.4 1370*

84.3 84.3 84.3 84.3 84.3 84.3 84.3 84.3

- - - - - - - -

38 1720 1 122 122 122 122 122 122 122 122

0 - - - - - - - -

47.7 2160 n/a 155 155 155 155 155 155 155 155

1 155 153 147 136 122 104 83.6 63.2

58.8 2660 n/a 189 189 189 189 189 189 189 189

1 189 186 179 166 149 126 102 77.4

72.3 3270 n/a 227 227 227 227 227 227 227 227

1 227 225 216 201 180 153 124 94.5

90.3 4080 n/a 272 272 272 272 272 272 272 272

1 272 272 264 246 220 188 153 117

250x250 47.9 2170*

167 167 167 167 167 167 167 167

- - - - - - - -

60.3 2730 1 246 246 246 246 246 246 246 246

0 - - - - - - - -

74.5 3370 n/a 302 302 302 302 302 302 302 302

1 302 298 286 266 238 202 163 123

91.9 4160 n/a 368 368 368 368 368 368 368 368

1 368 363 349 324 290 247 200 151

115 5220 n/a 452 452 452 452 452 452 452 452

1 452 448 430 400 359 306 248 188

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>SQUARE HOLLOW SECTIONS

HOT-FINISHED   CELSIUS

F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P

F/Pz

   6.3 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.5 Mc

Mr

   16.0 Mc

Mr

   5.0 Mc

Mr

   6.3 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.5 Mc

Mr

   16.0 Mc

Mr

   6.3 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.5 Mc

Mr

   16.0 Mc

Mr

HOT-FINISHED   CELSIUS

Page 189: Steel Section Capacities BS 5950 Spreadsheet

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre Semi-Compact

mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

300x300 57.8 2610*

218 218 218 218 218 218 218 155

- - - - - - - -

72.8 3290 1 315 315 315 315 315 315 315 315

0 - - - - - - - -

90.2 4080 n/a 442 442 442 442 442 442 442 442

1 442 436 419 390 349 296 238 180

112 5040 n/a 541 541 541 541 541 541 541 541

1 541 534 513 477 427 363 293 221

141 6350 n/a 673 673 673 673 673 673 673 673

1 673 664 637 593 531 452 365 277

350x350 85.4 3870*

394 394 394 394 394 394 394 394

- - - - - - - -

106 4790 1 559 559 559 559 559 559 559 559

0 - - - - - - - -

131 5930 n/a 748 748 748 748 748 748 748 748

1 748 738 708 659 590 500 403 305

166 7490 n/a 934 934 934 934 934 934 934 934

1 934 921 884 823 736 626 505 383

400x400 122 5500*

675 675 675 675 675 675 675 675

- - - - - - - -

151 6820 1 968 968 968 968 968 968 968 968

0 - - - - - - - -

191 8630 n/a 1240 1240 1240 1240 1240 1240 1240 1240

1 1240 1220 1170 1090 975 829 668 505

235 10400 n/a 1470 1470 1470 1470 1470 1470 1470 1470

1 1470 1450 1390 1290 1150 984 795 603

F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P

F/Pz

   6.3 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.5 Mc

Mr

   16.0 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.5 Mc

Mr

   16.0 Mc

Mr

   10.0 Mc

Mr

   12.5 Mc

Mr

   16.0 Mc

Mr

   20.0 Mc

Mr

Page 190: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

for and Capacities Limit for

D t

0.8 0.9 1 mm mm 1 1.5 2 2.5 3 3.5 4 5 6

2.08 2.08 2.08 40x40 1 122 74 44.6 29.4 20.7 15.3 11.8 7.64 5.34

0.598 0.304 0

2.18 2.18 2.18 1 128 77.6 46.7 30.7 21.7 16.1 12.4 7.99 5.58

0.633 0.321 0

2.52 2.52 2.52 1 153 90.1 54 35.4 25 18.5 14.3 9.21 6.43

0.763 0.389 0

2.85 2.85 2.85 1 179 104 61.7 40.4 28.5 21.1 16.3 10.5 7.32

0.91 0.466 0

3.44 3.44 3.44 50x50 1 174 133 87.5 58.9 41.9 31.3 24.2 15.7 11

0.96 0.486 0

3.62 3.62 3.62 1 184 141 92.1 62 44.1 32.8 25.4 16.4 11.5

1.02 0.515 0

4.26 4.26 4.26 1 224 168 109 72.8 51.8 38.6 29.8 19.3 13.5

1.24 0.628 0

4.94 4.94 4.94 1 270 198 127 85 60.3 44.9 34.7 22.5 15.7

1.49 0.76 0

5.58 5.58 5.58 1 324 230 145 96.9 68.7 51.1 39.5 25.5 17.9

1.79 0.918 0

5.08 5.08 5.08 60x60 1 222 193 144 101 73.3 55.1 42.7 27.8 19.5

1.41 0.711 0

5.4 5.4 5.4 1 235 204 152 107 77.3 58 45 29.3 20.5

1.49 0.755 0

6.43 6.43 6.43 1 288 248 182 127 91.9 68.9 53.5 34.8 24.4

1.82 0.924 0

7.58 7.58 7.58 1 349 298 216 150 108 81.1 62.9 40.9 28.7

2.21 1.12 0

8.73 8.73 8.73 1 425 357 254 175 126 94.3 73.1 47.5 33.3

2.68 1.37 0

9.88 9.88 9.88 1 515 422 293 200 143 107 83 53.9 37.8

3.23 1.66 0

8.27 8.27 8.27 70x70 1 316 290 241 181 134 102 79.6 52.1 36.6

2.29 1.16 0

10.8 10.8 10.8 1 425 388 318 236 174 132 103 67.3 47.3

3.07 1.56 0

12.7 12.7 12.7 1 521 472 381 280 206 155 121 79 55.5

3.74 1.9 0

14.6 14.6 14.6 1 638 572 452 327 239 180 140 91.5 64.3

4.56 2.33 0

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

   3.0

pyZ = 1.74

   3.2

pyZ = 1.81

   4.0

pyZ = 2.1

   5.0

pyZ = 2.37

   3.0

pyZ = 2.87

   3.2

pyZ = 3.01

   4.0

pyZ = 3.55

   5.0

pyZ = 4.12

   6.3

pyZ = 4.65

   3.0

pyZ = 4.3

   3.2

pyZ = 4.51

   4.0

pyZ = 5.36

   5.0

pyZ = 6.32

   6.3

pyZ = 7.28

   8.0

pyZ = 8.24

   3.6

pyZ = 6.96

   5.0

pyZ = 8.98

   6.3

pyZ = 10.5

   8.0

pyZ = 12.1

Page 191: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

for and Capacities Limit for

D t

0.8 0.9 1 mm mm 1 1.5 2 2.5 3 3.5 4 5 6

11 11 11 80x80 1 370 349 311 254 196 152 119 78.7 55.5

3.03 1.53 0

12.1 12.1 12.1 1 409 385 343 279 215 166 130 85.9 60.6

3.34 1.69 0

14.6 14.6 14.6 1 500 470 416 336 258 198 156 103 72.4

4.07 2.06 0

17.3 17.3 17.3 1 615 576 506 403 307 236 185 122 85.7

4.98 2.53 0

20.1 20.1 20.1 1 759 707 613 481 363 278 218 143 101

6.11 3.12 0

14.1 14.1 14.1 90x90 1 424 405 376 328 267 212 169 112 79.7

3.87 1.95 0

15.5 15.5 15.5 1 468 447 414 360 293 232 185 123 87.2

4.27 2.15 0

18.8 18.8 18.8 1 574 548 506 437 353 278 221 147 104

5.22 2.64 0

22.6 22.6 22.6 1 711 677 623 534 428 337 267 177 126

6.43 3.26 0

26.7 26.7 26.7 1 878 834 761 645 511 400 317 210 148

7.9 4.02 0

19.3 19.3 19.3 100x100 1 527 508 481 437 375 308 250 169 120

5.31 2.68 0

23.6 23.6 23.6 1 648 624 589 534 455 372 301 203 144

6.51 3.29 0

28.6 28.6 28.6 1 803 773 728 656 555 450 363 244 174

8.03 4.07 0

34 34 34 1 996 957 898 803 674 544 437 293 208

9.9 5.03 0

39.4 39.4 39.4 1 1200 1160 1080 956 792 634 508 340 241

11.9 6.07 0

34.6 34.6 34.6 120x120 1 795 774 747 709 652 576 491 347 251

9.51 4.8 0

42.6 42.6 42.6 1 987 961 926 877 804 706 599 421 304

11.8 5.94 0

51.6 51.6 51.6 1 1230 1200 1150 1090 993 867 732 512 369

14.6 7.4 0

60.5 60.5 60.5 1 1500 1460 1400 1320 1190 1030 867 603 434

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

   3.6

pyZ = 9.3

   4.0

pyZ = 10.2

   5.0

pyZ = 12.1

   6.3

pyZ = 14.4

   8.0

pyZ = 16.8

   3.6

pyZ = 12.0

   4.0

pyZ = 13.1

   5.0

pyZ = 15.8

   6.3

pyZ = 18.8

   8.0

pyZ = 22.2

   4.0

pyZ = 16.5

   5.0

pyZ = 19.8

   6.3

pyZ = 23.8

   8.0

pyZ = 28.4

   10.0

pyZ = 32.8

   5.0

pyZ = 29.5

   6.3

pyZ = 35.5

   8.0

pyZ = 43.0

   10.0

Page 192: Steel Section Capacities BS 5950 Spreadsheet

17.7 8.99 0

69.7 69.7 69.7 1 1820 1760 1690 1580 1420 1210 1010 698 501

21.3 10.9 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

for and Capacities Limit for

D t

0.8 0.9 1 mm mm 2 3 4 5 6 7 8 9 10

47.9 47.9 47.9 140x140 1 899 828 696 529 393 299 234 187 153

13.1 6.59 0

58.9 58.9 58.9 1 1120 1030 859 649 481 366 285 228 187

16.3 8.2 0

72.4 72.4 72.4 1 1400 1280 1060 792 586 444 347 277 227

20.2 10.2 0

86.1 86.1 86.1 1 1700 1550 1270 944 696 527 411 329 269

24.6 12.5 0

101 101 101 1 2070 1880 1520 1110 818 619 482 385 315

29.8 15.2 0

55.4 55.4 55.4 150x150 1 974 910 794 628 476 365 286 230 188

15.1 7.59 0

68.2 68.2 68.2 1 1210 1130 984 774 586 448 351 282 231

18.7 9.45 0

84.1 84.1 84.1 1 1520 1410 1220 950 716 547 429 344 281

23.4 11.8 0

101 101 101 1 1850 1720 1470 1140 855 652 510 409 334

28.5 14.4 0

118 118 118 1 2260 2090 1770 1350 1010 769 601 481 394

34.6 17.6 0

138 138 138 1 2790 2560 2130 1600 1190 902 704 563 461

42.4 21.6 0

61.9 61.9 61.9 160x160 1 1050 990 888 731 568 439 346 279 229

- - -

78.1 78.1 78.1 1 1310 1230 1100 903 699 541 426 342 281

21.4 10.8 0

96.6 96.6 96.6 1 1640 1540 1370 1110 859 662 521 419 343

26.7 13.5 0

116 116 116 1 2000 1880 1670 1340 1030 792 623 500 410

32.6 16.5 0

137 137 137 1 2450 2290 2010 1610 1220 939 737 592 485

39.7 20.2 0

pyZ = 50.4

   12.5

pyZ = 58.1

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

   5.0

pyZ = 40.8

   6.3

pyZ = 50.1

   8.0

pyZ = 60.7

   10.0

pyZ = 71.7

   12.5

pyZ = 83.8

   5.0

pyZ = 47.6

   6.3

pyZ = 57.9

   8.0

pyZ = 70.6

   10.0

pyZ = 83.8

   12.5

pyZ = 98.3

   16.0

pyZ = 115

   5.0

pyZ = 54.3

   6.3

pyZ = 66.4

   8.0

pyZ = 81.3

   10.0

pyZ = 96.9

   12.5

pyZ = 114

Page 193: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

for and Capacities Limit for

D t

0.8 0.9 1 mm mm 2 3 4 5 6 7 8 9 10

99.8 99.8 99.8 180x180 1 1490 1430 1320 1160 945 751 599 485 399

27.3 13.7 0

124 124 124 1 1870 1790 1660 1440 1170 928 739 598 492

34.2 17.2 0

151 151 151 1 2300 2200 2030 1750 1420 1120 888 718 591

41.8 21.1 0

179 179 179 1 2820 2690 2470 2120 1700 1330 1060 856 704

51 25.9 0

213 213 213 1 3500 3330 3040 2570 2040 1600 1260 1020 838

63 32.1 0

84.3 84.3 $ 200x200*

1280 1240 1180 1090 950 791 648 531 441

- - -

122 122 122 1 1680 1620 1540 1400 1210 993 807 660 546

- - -

155 155 155 1 2110 2030 1920 1750 1500 1230 997 814 673

42.5 21.4 0

189 189 189 1 2600 2500 2360 2140 1820 1490 1200 982 812

52.1 26.3 0

227 227 227 1 3190 3070 2890 2600 2210 1790 1450 1180 973

63.8 32.3 0

272 272 272 1 3980 3820 3590 3210 2690 2170 1740 1420 1170

79.1 40.2 0

167 167 $ 250x250*

2060 2010 1950 1870 1760 1600 1400 1200 1020

- - -

246 246 246 1 2700 2630 2550 2440 2270 2050 1780 1510 1280

- - -

302 302 302 1 3330 3250 3140 3000 2790 2510 2170 1840 1560

82.9 41.8 0

368 368 368 1 4110 4000 3870 3690 3430 3060 2640 2230 1890

102 51.5 0

452 452 452 1 5150 5020 4850 4610 4260 3780 3240 2730 2300

127 64.4 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

SQUARE HOLLOW SECTIONS

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

   6.3

pyZ = 85.6

   8.0

pyZ = 105

   10.0

pyZ = 126

   12.5

pyZ = 149

   16.0

pyZ = 178

   5.0

pyZ = 87.0

   6.3

pyZ = 107

   8.0

pyZ = 132

   10.0

pyZ = 159

   12.5

pyZ = 190

   16.0

pyZ = 227

   6.3

pyZ = 171

   8.0

pyZ = 212

   10.0

pyZ = 257

   12.5

pyZ = 310

   16.0

pyZ = 377

HOT-FINISHED   CELSIUS

Page 194: Steel Section Capacities BS 5950 Spreadsheet

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

for and Capacities Limit for

D t

0.8 0.9 1 mm mm 2 3 4 5 6 7 8 9 10

$ $ $ 300x300*

2080 2050 2010 1970 1920 1850 1750 1640 1500

- - -

315 315 315 1 3280 3220 3150 3060 2950 2790 2580 2330 2050

- - -

442 442 442 1 4060 3990 3900 3790 3640 3440 3180 2860 2510

121 60.8 0

541 541 541 1 5020 4930 4820 4680 4490 4240 3900 3500 3070

149 75 0

673 673 673 1 6320 6200 6060 5870 5630 5300 4850 4320 3780

187 94.3 0

320 $ $ 350x350*

3370 3330 3280 3220 3150 3060 2960 2820 2640

- - -

559 559 559 1 4790 4730 4640 4550 4440 4290 4100 3850 3550

- - -

748 748 748 1 5930 5840 5740 5620 5470 5290 5040 4720 4340

205 103 0

934 934 934 1 7490 7380 7250 7090 6910 6660 6350 5940 5440

257 130 0

675 675 $ 400x400*

5250 5210 5140 5060 4970 4860 4730 4560 4350

- - -

968 968 968 1 6820 6760 6660 6550 6430 6280 6090 5860 5560

- - -

1240 1240 1240 1 8630 8550 8430 8290 8120 7930 7680 7370 6980

340 171 0

1470 1470 1470 1 10300 10300 10100 9940 9740 9500 9210 8830 8370

406 205 0

(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

   6.3

pyZ = 250

   8.0

pyZ = 311

   10.0

pyZ = 379

   12.5

pyZ = 460

   16.0

pyZ = 564

   8.0

pyZ = 428

   10.0

pyZ = 525

   12.5

pyZ = 640

   16.0

pyZ = 790

   10.0

pyZ = 694

   12.5

pyZ = 849

   16.0

pyZ = 1050

   20.0

pyZ = 1230

Page 195: Steel Section Capacities BS 5950 Spreadsheet

<>

for

7 8 9 10

3.94 3.02 2.39 1.94

4.12 3.16 2.5 2.03

4.74 3.64 2.88 2.34

5.4 4.15 3.28 2.66

8.09 6.22 4.93 4

8.5 6.53 5.18 4.2

9.97 7.66 6.07 4.93

11.6 8.91 7.06 5.73

13.2 10.1 8.02 6.51

14.4 11.1 8.8 7.15

15.2 11.7 9.27 7.53

18 13.9 11 8.93

21.2 16.3 12.9 10.5

24.6 18.9 15 12.2

27.9 21.5 17 13.8

27.1 20.9 16.6 13.5

35 27 21.4 17.4

41.1 31.7 25.1 20.4

47.6 36.6 29.1 23.6

Compression Resistance Pc (kN)

(m) within the limiting value of F/Pz

Page 196: Steel Section Capacities BS 5950 Spreadsheet

<>

for

7 8 9 10

41.2 31.8 25.2 20.5

45 34.7 27.5 22.4

53.7 41.4 32.9 26.7

63.6 49 38.9 31.7

74.7 57.5 45.7 37.1

59.3 45.8 36.4 29.6

64.8 50.1 39.8 32.4

77.4 59.8 47.5 38.7

93.3 72 57.3 46.6

110 85 67.6 55

89.7 69.4 55.2 45

108 83.2 66.2 53.9

130 100 79.7 64.9

155 120 95.4 77.7

179 139 110 89.8

188 146 117 95.2

228 177 141 115

277 215 171 140

325 252 201 164

Compression Resistance Pc (kN)

(m) within the limiting value of F/Pz

Page 197: Steel Section Capacities BS 5950 Spreadsheet

375 291 232 189

<>

for

11 12 13 14

127 108 92.1 79.7

155 131 112 97.3

189 159 136 118

223 189 162 140

262 221 189 164

157 132 113 98.2

192 163 139 121

234 198 170 147

279 235 202 175

328 277 237 205

383 324 277 240

191 161 138 120

234 198 170 147

286 242 208 180

342 289 248 214

404 342 293 253

Compression Resistance Pc (kN)

(m) within the limiting value of F/Pz

Page 198: Steel Section Capacities BS 5950 Spreadsheet

<>

for

11 12 13 14

334 283 243 210

411 349 299 259

494 418 359 311

588 498 427 370

699 592 508 440

370 315 271 235

458 389 335 290

565 480 412 358

681 578 497 431

815 692 594 516

981 832 714 620

871 747 647 564

1090 933 806 703

1320 1130 980 854

1600 1370 1180 1030

1950 1670 1440 1250

<>

Compression Resistance Pc (kN)

(m) within the limiting value of F/Pz

Page 199: Steel Section Capacities BS 5950 Spreadsheet

for

11 12 13 14

1340 1190 1060 935

1790 1560 1360 1200

2190 1910 1660 1460

2670 2320 2030 1780

3280 2840 2480 2170

2440 2210 1990 1790

3220 2880 2560 2280

3910 3490 3100 2750

4900 4360 3870 3430

4100 3800 3490 3170

5200 4790 4370 3950

6510 5980 5430 4900

7800 7170 6520 5880

Compression Resistance Pc (kN)

(m) within the limiting value of F/Pz

Page 200: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>CIRCULAR HOLLOW SECTIONS SUBJECT

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Mass Axial load

per Capacity for

D t Metre

mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

26.9 1.87 65.5 0.419 0.419 0.419 0.419 0.419 0.419 0.419 0.419 0.419

0.419 0.419 0.419 0.419 0.403 0.352 0.293 0.226 0.154

42.4 3.09 108 1.18 1.18 1.18 1.18 1.18 1.18 1.18 1.18 1.18

1.18 1.18 1.18 1.18 1.1 0.959 0.797 0.615 0.419

48.3 3.56 125 1.58 1.58 1.58 1.58 1.58 1.58 1.58 1.58 1.58

1.58 1.58 1.58 1.58 1.45 1.27 1.05 0.814 0.554

4.37 153 1.88 1.88 1.88 1.88 1.88 1.88 1.88 1.88 1.88

1.88 1.88 1.88 1.88 1.75 1.53 1.27 0.983 0.669

5.34 187 2.21 2.21 2.21 2.21 2.21 2.21 2.21 2.21 2.21

2.21 2.21 2.21 2.21 2.1 1.83 1.52 1.18 0.801

60.3 4.51 158 2.57 2.57 2.57 2.57 2.57 2.57 2.57 2.57 2.57

2.57 2.57 2.57 2.55 2.31 2.02 1.68 1.3 0.884

6.82 239 3.66 3.66 3.66 3.66 3.66 3.66 3.66 3.66 3.66

3.66 3.66 3.66 3.66 3.4 2.98 2.47 1.91 1.3

76.1 5.24 183 3.89 3.89 3.89 3.89 3.89 3.89 3.89 3.89 3.89

3.89 3.89 3.89 3.8 3.45 3.01 2.51 1.94 1.32

5.75 202 4.22 4.22 4.22 4.22 4.22 4.22 4.22 4.22 4.22

4.22 4.22 4.22 4.17 3.78 3.31 2.75 2.12 1.44

7.11 249 5.12 5.12 5.12 5.12 5.12 5.12 5.12 5.12 5.12

5.12 5.12 5.12 5.1 4.63 4.04 3.36 2.6 1.77

8.77 307 6.14 6.14 6.14 6.14 6.14 6.14 6.14 6.14 6.14

6.14 6.14 6.14 6.14 5.63 4.92 4.09 3.16 2.15

88.9 6.76 237 5.87 5.87 5.87 5.87 5.87 5.87 5.87 5.87 5.87

5.87 5.87 5.87 5.76 5.23 4.57 3.8 2.93 2

8.38 294 7.16 7.16 7.16 7.16 7.16 7.16 7.16 7.16 7.16

7.16 7.16 7.16 7.08 6.43 5.62 4.67 3.61 2.46

10.4 363 8.65 8.65 8.65 8.65 8.65 8.65 8.65 8.65 8.65

8.65 8.65 8.65 8.62 7.83 6.84 5.69 4.39 2.99

12.8 448 10.4 10.4 10.4 10.4 10.4 10.4 10.4 10.4 10.4

10.4 10.4 10.4 10.4 9.59 8.38 6.97 5.38 3.66

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>CIRCULAR HOLLOW SECTIONS SUBJECT

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

HOT-FINISHED   CELSIUS

Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz

F/Pz

   3.2 ~ Mc

Mr

   3.2 ~ Mc

Mr

   3.2 ~ Mc

Mr

   4.0 ~ Mc

Mr

   5.0 ~ Mc

Mr

   3.2 ~ Mc

Mr

   5.0 ~ Mc

Mr

   2.9 Mc

Mr

   3.2 ~ Mc

Mr

   4.0 ~ Mc

Mr

   5.0 ~ Mc

Mr

   3.2 ~ Mc

Mr

   4.0 ~ Mc

Mr

   5.0 ~ Mc

Mr

   6.3 ~ Mc

Mr

HOT-FINISHED   CELSIUS

Page 201: Steel Section Capacities BS 5950 Spreadsheet

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Mass Axial load

per Capacity for

D t Metre

mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

114.3 8.77 308 9.97 9.97 9.97 9.97 9.97 9.97 9.97 9.97 9.97

9.97 9.97 9.97 9.68 8.79 7.68 6.38 4.93 3.36

9.83 344 11.1 11.1 11.1 11.1 11.1 11.1 11.1 11.1 11.1

11.1 11.1 11.1 10.8 9.81 8.58 7.13 5.51 3.75

13.5 473 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9

14.9 14.9 14.9 14.7 13.3 11.6 9.67 7.47 5.08

16.8 589 18.1 18.1 18.1 18.1 18.1 18.1 18.1 18.1 18.1

18.1 18.1 18.1 18 16.4 14.3 11.9 9.19 6.25

139.7 16.6 583 22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7

22.7 22.7 22.7 22.2 20.2 17.7 14.7 11.3 7.72

20.7 726 27.8 27.8 27.8 27.8 27.8 27.8 27.8 27.8 27.8

27.8 27.8 27.8 27.5 25 21.8 18.1 14 9.53

26 910 34 34 34 34 34 34 34 34 34

34 34 34 34 30.9 27 22.5 17.3 11.8

32 1120 40.7 40.7 40.7 40.7 40.7 40.7 40.7 40.7 40.7

40.7 40.7 40.7 40.7 37.5 32.8 27.3 21 14.3

168.3 20.1 707 33.7 33.7 33.7 33.7 33.7 33.7 33.7 33.7 33.7

33.7 33.7 33.7 32.6 29.6 25.9 21.5 16.6 11.3

25.2 883 41.3 41.3 41.3 41.3 41.3 41.3 41.3 41.3 41.3

41.3 41.3 41.3 40.4 36.7 32.1 26.7 20.6 14

31.6 1110 50.8 50.8 50.8 50.8 50.8 50.8 50.8 50.8 50.8

50.8 50.8 50.8 50.5 45.8 40.1 33.3 25.7 17.5

39 1370 61.4 61.4 61.4 61.4 61.4 61.4 61.4 61.4 61.4

61.4 61.4 61.4 61.4 55.8 48.8 40.6 31.3 21.3

193.7 23.3 814 44.9 44.9 44.9 44.9 44.9 44.9 44.9 44.9 44.9

44.9 44.9 44.9 43.6 39.6 34.6 28.8 22.2 15.1

29.1 1020 55.4 55.4 55.4 55.4 55.4 55.4 55.4 55.4 55.4

55.4 55.4 55.4 54.2 49.2 43 35.7 27.6 18.8

36.6 1280 68.6 68.6 68.6 68.6 68.6 68.6 68.6 68.6 68.6

68.6 68.6 68.6 67.6 61.4 53.7 44.6 34.5 23.5

45.3 1590 83.2 83.2 83.2 83.2 83.2 83.2 83.2 83.2 83.2

83.2 83.2 83.2 82.8 75.2 65.7 54.6 42.2 28.7

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>CIRCULAR HOLLOW SECTIONS SUBJECT

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz

F/Pz

   3.2 ~ Mc

Mr

   3.6 Mc

Mr

   5.0 Mc

Mr

   6.3 Mc

Mr

   5.0 Mc

Mr

   6.3 Mc

Mr

   8.0 ~ Mc

Mr

   10.0 ~ Mc

Mr

   5.0 ~ Mc

Mr

   6.3 ~ Mc

Mr

   8.0 ~ Mc

Mr

   10.0 ~ Mc

Mr

   5.0 ~ Mc

Mr

   6.3 ~ Mc

Mr

   8.0 ~ Mc

Mr

   10.0 ~ Mc

Mr

HOT-FINISHED   CELSIUS

Page 202: Steel Section Capacities BS 5950 Spreadsheet

Section Mass Axial load

per Capacity for

D t Metre

mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

219.1 26.4 924 58.1 58.1 58.1 58.1 58.1 58.1 58.1 58.1 58.1

58.1 58.1 58.1 56.1 50.9 44.5 37 28.6 19.5

33.1 1160 71.9 71.9 71.9 71.9 71.9 71.9 71.9 71.9 71.9

71.9 71.9 71.9 69.8 63.4 55.4 46.1 35.6 24.2

41.6 1460 89.1 89.1 89.1 89.1 89.1 89.1 89.1 89.1 89.1

89.1 89.1 89.1 87.5 79.4 69.4 57.7 44.6 30.3

51.6 1810 108 108 108 108 108 108 108 108 108

108 108 108 107 97.4 85.2 70.8 54.7 37.2

63.7 2230 131 131 131 131 131 131 131 131 131

131 131 131 131 119 104 86.3 66.7 45.4

244.5 68.8 2410 160 160 160 160 160 160 160 160 160

160 160 160 159 144 126 105 81 55.2

273 33 1160 91.4 91.4 91.4 91.4 91.4 91.4 91.4 91.4 91.4

- - - - - - - - -

41.4 1450 114 114 114 114 114 114 114 114 114

114 114 114 110 99.7 87.1 72.4 55.9 38.1

52.3 1830 142 142 142 142 142 142 142 142 142

142 142 142 138 125 109 90.8 70.2 47.8

64.9 2270 173 173 173 173 173 173 173 173 173

173 173 173 170 154 135 112 86.4 58.8

80.3 2810 210 210 210 210 210 210 210 210 210

210 210 210 208 189 165 137 106 72.1

101 3550 259 259 259 259 259 259 259 259 259

259 259 259 259 235 206 171 132 89.9

323.9 49.3 1730 162 162 162 162 162 162 162 162 162

- - - - - - - - -

62.3 2180 202 202 202 202 202 202 202 202 202

202 202 202 196 178 155 129 99.8 67.9

77.4 2710 248 248 248 248 248 248 248 248 248

248 248 248 242 219 192 159 123 83.8

96 3360 303 303 303 303 303 303 303 303 303

303 303 303 297 270 236 196 151 103

122 4260 375 375 375 375 375 375 375 375 375

375 375 375 372 338 295 245 190 129

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>CIRCULAR HOLLOW SECTIONS SUBJECT

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Mass Axial load

per Capacity for

D t Metre

Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz

F/Pz

   5.0 ~ Mc

Mr

   6.3 ~ Mc

Mr

   8.0 ~ Mc

Mr

   10.0 ~ Mc

Mr

   12.5 ~ Mc

Mr

   12.0 ~ Mc

Mr

   5.0 ~ ¢Mc

Mr

   6.3 Mc

Mr

   8.0 ~ Mc

Mr

   10.0 Mc

Mr

   12.5 Mc

Mr

   16.0 ~ Mc

Mr

   6.3 ~ ¢Mc

Mr

   8.0 ~ Mc

Mr

   10.0 ~ Mc

Mr

   12.5 ~ Mc

Mr

   16.0 Mc

Mr

HOT-FINISHED   CELSIUS

Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz

Page 203: Steel Section Capacities BS 5950 Spreadsheet

mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

406.4 62.2 2180 257 257 257 257 257 257 257 257 257

- - - - - - - - -

78.6 2750 323 323 323 323 323 323 323 323 323

- - - - - - - - -

97.8 3440 398 398 398 398 398 398 398 398 398

398 398 398 385 350 306 254 196 134

121 4260 488 488 488 488 488 488 488 488 488

488 488 488 475 432 377 314 242 165

154 5390 608 608 608 608 608 608 608 608 608

608 608 608 598 543 474 394 305 207

457 88.6 3100 411 411 411 411 411 411 411 411 411

- - - - - - - - -

110 3850 507 507 507 507 507 507 507 507 507

507 507 507 490 445 389 323 249 170

137 4810 623 623 623 623 623 623 623 623 623

623 623 623 605 550 480 399 308 210

174 6110 780 780 780 780 780 780 780 780 780

780 780 780 763 693 605 503 389 265

508 98.6 3460 510 510 510 510 510 510 510 510 510

- - - - - - - - -

123 4290 630 630 630 630 630 630 630 630 630

- - - - - - - - -

153 5360 777 777 777 777 777 777 777 777 777

777 777 777 752 683 597 496 383 261

194 6790 973 973 973 973 973 973 973 973 973

973 973 973 949 862 753 626 484 329

241 8140 1140 1140 1140 1140 1140 1140 1140 1140 1140

1140 1140 1140 1130 1020 893 742 573 390

F/Pz

   6.3 ~ ¢Mc

Mr

   8.0 ~ ¢Mc

Mr

   10.0 ~ Mc

Mr

   12.5 ~ Mc

Mr

   16.0 Mc

Mr

   8.0 ~ ¢Mc

Mr

   10.0 ~ Mc

Mr

   12.5 ~ Mc

Mr

   16.0 Mc

Mr

   8.0 ~ ¢Mc

Mr

   10.0 ~ ¢Mc

Mr

   12.5 Mc

Mr

   16.0 ~ Mc

Mr

   20.0 ~ Mc

Mr

Page 204: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation Mass

for and Capacities per for

D t Metre

0.9 1 mm mm kg 1 1.5 2 2.5 3 3.5 4 5 6

0.419 0.419 26.9 1.87 28.9 14 8.08 5.25 3.68 2.72 2.09 1.35 0.938

0.078 0

1.18 1.18 42.4 3.09 86.6 55.4 34 22.5 15.9 11.8 9.15 5.92 4.14

0.212 0

1.58 1.58 48.3 3.56 107 77.8 50.1 33.7 24 17.9 13.8 8.96 6.27

0.28 0

1.88 1.88 4.37 130 93.3 59.7 40 28.4 21.2 16.4 10.6 7.43

0.339 0

2.21 2.21 5.34 158 111 70.5 47.1 33.4 24.9 19.3 12.5 8.73

0.405 0

2.57 2.57 60.3 4.51 144 124 91.6 64.6 46.8 35.2 27.4 17.8 12.5

0.447 0

3.66 3.66 6.82 217 183 133 92.9 67.1 50.4 39.1 25.5 17.9

0.658 0

3.89 3.89 76.1 5.24 174 161 140 110 83.9 64.5 50.7 33.4 23.6

0.667 0

4.22 4.22 5.75 191 177 153 121 91.6 70.3 55.3 36.4 25.7

0.731 0

5.12 5.12 7.11 236 218 187 147 111 85.2 66.9 44 31.1

0.895 0

6.14 6.14 8.77 291 268 229 178 134 103 80.7 53.1 37.4

1.09 0

5.87 5.87 88.9 6.76 229 217 199 170 138 109 86.8 57.9 41.1

1.01 0

7.16 7.16 8.38 284 269 245 210 168 133 106 70.6 50.1

1.24 0

8.65 8.65 10.4 349 331 301 256 205 161 128 85.5 60.6

1.51 0

10.4 10.4 12.8 431 407 369 312 248 195 155 103 72.9

1.85 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc (kN)

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m)

   3.2 ~

pyZ = 0.349

   3.2 ~

pyZ = 0.987

   3.2 ~

pyZ = 1.32

   4.0 ~

pyZ = 1.57

   5.0 ~

pyZ = 1.84

   3.2 ~

pyZ = 2.14

   5.0 ~

pyZ = 3.05

   2.9

pyZ = 3.25

   3.2 ~

pyZ = 3.52

   4.0 ~

pyZ = 4.26

   5.0 ~

pyZ = 5.12

   3.2 ~

pyZ = 4.9

   4.0 ~

pyZ = 5.97

   5.0 ~

pyZ = 7.21

   6.3 ~

pyZ = 8.66

HOT-FINISHED   CELSIUS

Page 205: Steel Section Capacities BS 5950 Spreadsheet

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation Mass

for and Capacities per for

D t Metre

0.9 1 mm mm kg 1 1.5 2 2.5 3 3.5 4 5 6

9.97 9.97 114.3 8.77 303 293 280 262 237 205 172 120 86.9

1.7 0

11.1 11.1 9.83 338 327 313 292 263 228 191 134 96.5

1.9 0

14.9 14.9 13.5 464 449 429 400 359 309 258 180 130

2.57 0

18.1 18.1 16.8 577 558 532 495 442 378 315 219 158

3.17 0

22.7 22.7 139.7 16.6 578 564 548 527 499 460 413 312 232

3.91 0

27.8 27.8 20.7 720 702 681 655 618 569 509 382 284

4.83 0

34 34 26 902 880 853 818 771 707 629 470 348

5.98 0

40.7 40.7 32 1110 1080 1050 1000 943 862 763 566 419

7.25 0

33.7 33.7 168.3 20.1 707 693 679 661 640 613 578 485 383

5.72 0

41.3 41.3 25.2 882 866 847 825 798 763 719 600 473

7.1 0

50.8 50.8 31.6 1110 1090 1060 1030 999 955 897 744 584

8.86 0

61.4 61.4 39 1360 1340 1310 1270 1230 1170 1100 907 709

10.8 0

44.9 44.9 193.7 23.3 814 805 791 775 757 736 708 633 534

7.66 0

55.4 55.4 29.1 1020 1010 991 971 948 921 886 791 665

9.51 0

68.6 68.6 36.6 1280 1270 1250 1220 1190 1160 1110 989 828

11.9 0

83.2 83.2 45.3 1590 1570 1540 1510 1470 1420 1370 1210 1010

14.5 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc (kN)

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m)

   3.2 ~

pyZ = 8.31

   3.6

pyZ = 9.24

   5.0

pyZ = 12.4

   6.3

pyZ = 15.0

   5.0

pyZ = 18.9

   6.3

pyZ = 23.2

   8.0 ~

pyZ = 28.4

   10.0 ~

pyZ = 33.9

   5.0 ~

pyZ = 28.1

   6.3 ~

pyZ = 34.4

   8.0 ~

pyZ = 42.4

   10.0 ~

pyZ = 51.2

   5.0 ~

pyZ = 37.4

   6.3 ~

pyZ = 46.2

   8.0 ~

pyZ = 57.2

   10.0 ~

pyZ = 69.3

HOT-FINISHED   CELSIUS

Page 206: Steel Section Capacities BS 5950 Spreadsheet

Section Designation Mass

for and Capacities per for

D t Metre

0.9 1 mm mm kg 2 3 4 5 6 7 8 9 10

58.1 58.1 219.1 26.4 906 875 834 774 689 587 488 405 338

9.85 0

71.9 71.9 33.1 1130 1100 1040 967 859 730 607 503 419

12.3 0

89.1 89.1 41.6 1430 1380 1310 1220 1080 912 756 626 522

15.4 0

108 108 51.6 1770 1710 1620 1500 1320 1110 922 762 635

18.8 0

131 131 63.7 2180 2100 2000 1840 1610 1360 1120 923 769

23 0

160 160 244.5 68.8 2370 2300 2210 2090 1910 1680 1440 1210 1020

27.9 0

91.4 91.4 273 33 1150 1120 1090 1040 988 910 814 711 613

- -

114 114 41.4 1440 1400 1360 1310 1240 1140 1020 886 763

19.3 0

142 142 52.3 1820 1770 1720 1650 1550 1430 1270 1110 953

24.2 0

173 173 64.9 2250 2190 2130 2040 1920 1760 1570 1360 1170

29.8 0

210 210 80.3 2790 2720 2630 2520 2370 2170 1920 1670 1430

36.5 0

259 259 101 3520 3430 3320 3170 2980 2710 2390 2070 1770

45.5 0

162 162 323.9 49.3 1730 1690 1660 1610 1560 1480 1390 1270 1150

- -

202 202 62.3 2180 2140 2090 2030 1960 1870 1750 1610 1450

34.4 0

248 248 77.4 2710 2650 2590 2520 2430 2320 2170 1980 1780

42.4 0

303 303 96 3360 3290 3210 3120 3010 2860 2670 2440 2180

52.2 0

375 375 122 4250 4160 4060 3950 3800 3610 3360 3060 2730

65.3 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation Mass

for and Capacities per for

D t Metre

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc (kN)

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m)

   5.0 ~

pyZ = 48.4

   6.3 ~

pyZ = 60.0

   8.0 ~

pyZ = 74.3

   10.0 ~

pyZ = 90.2

   12.5 ~

pyZ = 109

   12.0 ~

pyZ = 134

   5.0 ~

pyZ = 76.2

   6.3

pyZ = 94.6

   8.0 ~

pyZ = 118

   10.0

pyZ = 144

   12.5

pyZ = 175

   16.0 ~

pyZ = 216

   6.3 ~

pyZ = 135

   8.0 ~

pyZ = 168

   10.0 ~

pyZ = 207

   12.5 ~

pyZ = 252

   16.0

pyZ = 312

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc (kN)

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m)

Page 207: Steel Section Capacities BS 5950 Spreadsheet

0.9 1 mm mm kg 2 3 4 5 6 7 8 9 10

257 257 406.4 62.2 2180 2160 2120 2090 2040 1990 1930 1850 1760

- -

323 323 78.6 2750 2730 2690 2640 2580 2520 2440 2340 2220

- -

398 398 97.8 3440 3410 3350 3290 3220 3140 3040 2910 2760

67.6 0

488 488 121 4260 4220 4150 4080 3990 3890 3760 3600 3410

83.5 0

608 608 154 5390 5340 5250 5150 5040 4910 4740 4540 4290

105 0

411 411 457 88.6 3100 3090 3050 3000 2950 2900 2830 2750 2650

- -

507 507 110 3850 3840 3780 3730 3660 3590 3510 3410 3280

86 0

623 623 137 4810 4790 4730 4650 4570 4480 4380 4250 4090

106 0

780 780 174 6110 6080 5990 5900 5800 5680 5540 5380 5180

134 0

510 510 508 98.6 3460 3460 3420 3370 3330 3270 3210 3150 3060

- -

630 630 123 4290 4290 4240 4180 4130 4060 3980 3900 3800

- -

777 777 153 5360 5360 5300 5230 5150 5070 4980 4870 4740

132 0

973 973 194 6790 6790 6710 6620 6520 6420 6300 6160 5990

167 0

1140 1140 241 8140 8140 8040 7930 7820 7690 7550 7380 7190

198 0

   6.3 ~

pyZ = 215

   8.0 ~

pyZ = 269

   10.0 ~

pyZ = 331

   12.5 ~

pyZ = 406

   16.0

pyZ = 507

   8.0 ~

pyZ = 342

   10.0 ~

pyZ = 422

   12.5 ~

pyZ = 519

   16.0

pyZ = 650

   8.0 ~

pyZ = 425

   10.0 ~

pyZ = 525

   12.5

pyZ = 647

   16.0 ~

pyZ = 811

   20.0 ~

pyZ = 954

Page 208: Steel Section Capacities BS 5950 Spreadsheet

<>

for

7 8 9 10

0.691 0.53 0.42 0.34

3.05 2.35 1.86 1.51

4.63 3.56 2.82 2.29

5.49 4.22 3.34 2.72

6.45 4.96 3.93 3.19

9.27 7.14 5.66 4.6

13.2 10.2 8.08 6.57

17.5 13.5 10.7 8.72

19.1 14.7 11.7 9.51

23 17.8 14.1 11.5

27.8 21.4 17 13.8

30.6 23.6 18.8 15.3

37.3 28.8 22.9 18.7

45.1 34.8 27.7 22.6

54.3 41.9 33.3 27.1

<>

Compression Resistance Pc (kN)

Varying effective lengths Le (m)

Page 209: Steel Section Capacities BS 5950 Spreadsheet

for

7 8 9 10

65.2 50.7 40.4 33

72.5 56.3 44.9 36.7

97.3 75.6 60.3 49.2

118 91.7 73.2 59.7

177 138 111 90.7

216 169 135 111

264 207 166 135

318 248 199 162

300 238 192 158

369 293 236 194

456 361 291 239

552 436 352 289

434 351 287 237

540 436 356 294

670 540 441 364

814 656 534 441

<>

Compression Resistance Pc (kN)

Varying effective lengths Le (m)

Page 210: Steel Section Capacities BS 5950 Spreadsheet

for

11 12 13 14

285 243 210 182

354 302 260 226

440 375 323 281

535 456 393 342

647 552 475 413

864 740 639 557

528 456 396 347

656 567 492 431

819 707 614 537

1010 867 753 659

1220 1060 917 801

1510 1300 1130 988

1020 895 788 696

1280 1130 995 879

1570 1380 1220 1070

1930 1690 1490 1310

2410 2110 1850 1640

<>

for

Compression Resistance Pc (kN)

Varying effective lengths Le (m)

Compression Resistance Pc (kN)

Varying effective lengths Le (m)

Page 211: Steel Section Capacities BS 5950 Spreadsheet

11 12 13 14

1640 1520 1390 1260

2080 1920 1750 1590

2580 2380 2170 1970

3180 2930 2670 2420

4000 3680 3340 3020

2540 2400 2250 2090

3140 2970 2780 2570

3910 3690 3450 3190

4940 4660 4350 4020

2970 2860 2730 2580

3680 3540 3370 3190

4590 4410 4200 3970

5800 5570 5300 5000

6960 6690 6380 6030

Page 212: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>CIRCULAR HOLLOW SECTIONS SUBJECT

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre

mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

26.9 1.87 84.5 0.541 0.541 0.541 0.541 0.541 0.541 0.541 0.541 0.541

0.541 0.541 0.541 0.541 0.52 0.454 0.378 0.292 0.199

42.4 3.09 140 1.53 1.53 1.53 1.53 1.53 1.53 1.53 1.53 1.53

1.53 1.53 1.53 1.53 1.42 1.24 1.03 0.795 0.541

48.3 3.56 161 2.04 2.04 2.04 2.04 2.04 2.04 2.04 2.04 2.04

2.04 2.04 2.04 2.04 1.87 1.64 1.36 1.05 0.715

4.37 198 2.43 2.43 2.43 2.43 2.43 2.43 2.43 2.43 2.43

2.43 2.43 2.43 2.43 2.26 1.98 1.64 1.27 0.863

5.34 241 2.85 2.85 2.85 2.85 2.85 2.85 2.85 2.85 2.85

2.85 2.85 2.85 2.85 2.71 2.36 1.97 1.52 1.03

60.3 4.51 204 3.31 3.31 3.31 3.31 3.31 3.31 3.31 3.31 3.31

3.31 3.31 3.31 3.29 2.99 2.61 2.17 1.68 1.14

6.82 308 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73

4.73 4.73 4.73 4.73 4.39 3.84 3.19 2.47 1.68

76.1 5.24 237 5.03 5.03 5.03 5.03 5.03 5.03 5.03 5.03 5.03

5.03 5.03 5.03 4.9 4.45 3.89 3.23 2.5 1.7

5.75 260 5.45 5.45 5.45 5.45 5.45 5.45 5.45 5.45 5.45

5.45 5.45 5.45 5.38 4.88 4.27 3.55 2.74 1.86

7.11 322 6.6 6.6 6.6 6.6 6.6 6.6 6.6 6.6 6.6

6.6 6.6 6.6 6.58 5.97 5.22 4.34 3.35 2.28

8.77 397 7.92 7.92 7.92 7.92 7.92 7.92 7.92 7.92 7.92

7.92 7.92 7.92 7.92 7.27 6.35 5.28 4.08 2.78

88.9 6.76 306 7.58 7.58 7.58 7.58 7.58 7.58 7.58 7.58 7.58

7.58 7.58 7.58 7.43 6.75 5.9 4.9 3.79 2.58

8.38 380 9.24 9.24 9.24 9.24 9.24 9.24 9.24 9.24 9.24

9.24 9.24 9.24 9.14 8.3 7.25 6.03 4.66 3.17

10.4 469 11.2 11.2 11.2 11.2 11.2 11.2 11.2 11.2 11.2

11.2 11.2 11.2 11.1 10.1 8.84 7.34 5.67 3.86

12.8 579 13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4

13.4 13.4 13.4 13.4 12.4 10.8 8.99 6.95 4.73

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>CIRCULAR HOLLOW SECTIONS SUBJECT

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

HOT-FINISHED   CELSIUS

Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz

F/Pz

   3.2 Mc

Mr

   3.2 Mc

Mr

   3.2 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   3.2 Mc

Mr

   5.0 Mc

Mr

   2.9 ^ Mc

Mr

   3.2 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   3.2 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   6.3 Mc

Mr

HOT-FINISHED   CELSIUS

Page 213: Steel Section Capacities BS 5950 Spreadsheet

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre

mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

114.3 8.77 398 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9

12.9 12.9 12.9 12.5 11.3 9.92 8.24 6.37 4.33

9.83 444 14.3 14.3 14.3 14.3 14.3 14.3 14.3 14.3 14.3

14.3 14.3 14.3 13.9 12.7 11.1 9.2 7.11 4.84

13.5 611 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2

19.2 19.2 19.2 18.9 17.2 15 12.5 9.64 6.56

16.8 760 23.3 23.3 23.3 23.3 23.3 23.3 23.3 23.3 23.3

23.3 23.3 23.3 23.3 21.1 18.5 15.4 11.9 8.07

139.7 16.6 753 29.3 29.3 29.3 29.3 29.3 29.3 29.3 29.3 29.3

29.3 29.3 29.3 28.7 26.1 22.8 18.9 14.6 9.96

20.7 937 35.9 35.9 35.9 35.9 35.9 35.9 35.9 35.9 35.9

35.9 35.9 35.9 35.5 32.2 28.2 23.4 18.1 12.3

26 1180 43.9 43.9 43.9 43.9 43.9 43.9 43.9 43.9 43.9

43.9 43.9 43.9 43.9 39.9 34.9 29 22.4 15.2

32 1440 52.6 52.6 52.6 52.6 52.6 52.6 52.6 52.6 52.6

52.6 52.6 52.6 52.6 48.4 42.3 35.2 27.2 18.5

168.3 20.1 912 43.5 43.5 43.5 43.5 43.5 43.5 43.5 43.5 43.5

43.5 43.5 43.5 42.1 38.2 33.4 27.8 21.4 14.6

25.2 1140 53.3 53.3 53.3 53.3 53.3 53.3 53.3 53.3 53.3

53.3 53.3 53.3 52.2 47.4 41.4 34.4 26.6 18.1

31.6 1430 65.6 65.6 65.6 65.6 65.6 65.6 65.6 65.6 65.6

65.6 65.6 65.6 65.2 59.2 51.7 43 33.2 22.6

39 1760 79.2 79.2 79.2 79.2 79.2 79.2 79.2 79.2 79.2

79.2 79.2 79.2 79.2 72.1 63 52.4 40.5 27.5

193.7 23.3 1050 57.9 57.9 57.9 57.9 57.9 57.9 57.9 57.9 57.9

- - - - - - - - -

29.1 1320 71.6 71.6 71.6 71.6 71.6 71.6 71.6 71.6 71.6

71.6 71.6 71.6 69.9 63.5 55.5 46.1 35.6 24.2

36.6 1660 88.6 88.6 88.6 88.6 88.6 88.6 88.6 88.6 88.6

88.6 88.6 88.6 87.3 79.3 69.3 57.6 44.5 30.3

45.3 2050 107 107 107 107 107 107 107 107 107

107 107 107 107 97.1 84.8 70.5 54.5 37.1

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>CIRCULAR HOLLOW SECTIONS SUBJECT

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz

F/Pz

   3.2 Mc

Mr

   3.6 Mc

Mr

   5.0 Mc

Mr

   6.3 Mc

Mr

   5.0 Mc

Mr

   6.3 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   5.0 Mc

Mr

   6.3 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   5.0 ¢Mc

Mr

   6.3 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

HOT-FINISHED   CELSIUS

Page 214: Steel Section Capacities BS 5950 Spreadsheet

Section Mass Axial load

per Capacity for

D t Metre

mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

219.1 26.4 1190 75 75 75 75 75 75 75 75 75

- - - - - - - - -

33.1 1490 92.9 92.9 92.9 92.9 92.9 92.9 92.9 92.9 92.9

92.9 92.9 92.9 90.1 81.9 71.5 59.5 45.9 31.3

41.6 1890 115 115 115 115 115 115 115 115 115

115 115 115 113 103 89.6 74.5 57.5 39.2

51.6 2330 140 140 140 140 140 140 140 140 140

140 140 140 139 126 110 91.4 70.6 48

63.7 2880 169 169 169 169 169 169 169 169 169

169 169 169 169 153 134 111 86.1 58.6

244.5 68.8 3110 207 207 207 207 207 207 207 207 207

207 207 207 205 186 163 135 105 71.2

273 33 1490 116 116 116 116 116 116 116 116 116

- - - - - - - - -

41.4 1870 147 147 147 147 147 147 147 147 147

- - - - - - - - -

52.3 2360 183 183 183 183 183 183 183 183 183

183 183 183 178 161 141 117 90.6 61.7

64.9 2930 223 223 223 223 223 223 223 223 223

223 223 223 219 199 174 144 112 75.9

80.3 3630 271 271 271 271 271 271 271 271 271

271 271 271 269 244 213 177 137 93.1

101 4590 334 334 334 334 334 334 334 334 334

334 334 334 334 304 266 221 171 116

323.9 49.3 2230 209 209 209 209 209 209 209 209 209

- - - - - - - - -

62.3 2820 261 261 261 261 261 261 261 261 261

- - - - - - - - -

77.4 3500 320 320 320 320 320 320 320 320 320

320 320 320 312 283 248 206 159 108

96 4340 391 391 391 391 391 391 391 391 391

391 391 391 384 348 304 253 195 133

122 5500 484 484 484 484 484 484 484 484 484

484 484 484 480 436 381 317 245 167

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

<>CIRCULAR HOLLOW SECTIONS SUBJECT

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre

Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz

F/Pz

   5.0 ¢Mc

Mr

   6.3 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.5 Mc

Mr

   12.0 Mc

Mr

   5.0 ¢Mc

Mr

   6.3 ¢Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.5 Mc

Mr

   16.0 Mc

Mr

   6.3 ¢Mc

Mr

   8.0 ¢Mc

Mr

   10.0 Mc

Mr

   12.5 Mc

Mr

   16.0 Mc

Mr

HOT-FINISHED   CELSIUS

Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz

Page 215: Steel Section Capacities BS 5950 Spreadsheet

mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

406.4 62.2 2810 313 313 313 313 313 313 313 313 313

- - - - - - - - -

78.6 3550 417 417 417 417 417 417 417 417 417

- - - - - - - - -

97.8 4440 513 513 513 513 513 513 513 513 513

- - - - - - - - -

121 5500 630 630 630 630 630 630 630 630 630

630 630 630 614 557 487 405 313 213

154 6960 785 785 785 785 785 785 785 785 785

785 785 785 772 701 612 509 393 268

457 88.6 4000 515 515 515 515 515 515 515 515 515

- - - - - - - - -

110 4970 654 654 654 654 654 654 654 654 654

- - - - - - - - -

137 6210 804 804 804 804 804 804 804 804 804

804 804 804 781 709 620 515 398 271

174 7880 1010 1010 1010 1010 1010 1010 1010 1010 1010

1010 1010 1010 985 894 781 650 502 342

508 98.6 4460 622 622 622 622 622 622 622 622 622

- - - - - - - - -

123 5540 814 814 814 814 814 814 814 814 814

- - - - - - - - -

153 6920 1000 1000 1000 1000 1000 1000 1000 1000 1000

- - - - - - - - -

194 8770 1260 1260 1260 1260 1260 1260 1260 1260 1260

1260 1260 1260 1230 1110 972 808 624 425

241 10600 1490 1490 1490 1490 1490 1490 1490 1490 1490

1490 1490 1490 1470 1330 1160 966 746 508

F/Pz

 * 6.3 ¢Mc

Mr

   8.0 ¢Mc

Mr

   10.0 ¢Mc

Mr

   12.5 Mc

Mr

   16.0 Mc

Mr

   8.0 ¢Mc

Mr

   10.0 ¢Mc

Mr

   12.5 Mc

Mr

   16.0 Mc

Mr

 * 8.0 ¢Mc

Mr

   10.0 ¢Mc

Mr

   12.5 ¢Mc

Mr

   16.0 Mc

Mr

   20.0 Mc

Mr

Page 216: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation Mass

for and Capacities per for

D t Metre

0.9 1 mm mm kg 1 1.5 2 2.5 3 3.5 4 5 6

0.541 0.541 26.9 1.87 30.5 14.3 8.21 5.31 3.71 2.74 2.1 1.35 0.942

0.101 0

1.53 1.53 42.4 3.09 104 59.1 35.2 23 16.2 12 9.25 5.97 4.17

0.274 0

2.04 2.04 48.3 3.56 132 85.6 52.4 34.6 24.5 18.2 14 9.05 6.33

0.362 0

2.43 2.43 4.37 161 102 62.3 41.1 29 21.5 16.6 10.7 7.49

0.437 0

2.85 2.85 5.34 194 121 73.4 48.4 34.1 25.3 19.5 12.6 8.81

0.523 0

3.31 3.31 60.3 4.51 183 147 99.5 67.6 48.3 36.1 27.9 18.1 12.7

0.578 0

4.73 4.73 6.82 275 215 143 96.9 69.1 51.5 39.8 25.8 18.1

0.85 0

5.03 5.03 76.1 5.24 223 202 164 120 88.5 66.9 52.1 34 23.9

0.861 0

5.45 5.45 5.75 245 222 179 132 96.6 73 56.9 37.1 26.1

0.944 0

6.6 6.6 7.11 302 273 218 160 117 88.3 68.8 44.9 31.5

1.16 0

7.92 7.92 8.77 372 334 265 193 141 107 82.9 54.1 38

1.41 0

7.58 7.58 88.9 6.76 293 275 243 195 149 115 90.3 59.4 41.9

1.31 0

9.24 9.24 8.38 364 341 300 239 182 140 110 72.4 51

1.6 0

11.2 11.2 10.4 448 419 367 291 221 170 133 87.6 61.7

1.95 0

13.4 13.4 12.8 553 516 448 353 267 205 160 105 74.3

2.39 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc (kN)

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m)

   3.2

pyZ = 0.451

   3.2

pyZ = 1.27

   3.2

pyZ = 1.7

   4.0

pyZ = 2.02

   5.0

pyZ = 2.37

   3.2

pyZ = 2.76

   5.0

pyZ = 3.94

   2.9 ^

pyZ = 4.19

   3.2

pyZ = 4.54

   4.0

pyZ = 5.5

   5.0

pyZ = 6.6

   3.2

pyZ = 6.32

   4.0

pyZ = 7.7

   5.0

pyZ = 9.3

   6.3

pyZ = 11.2

HOT-FINISHED   CELSIUS

Page 217: Steel Section Capacities BS 5950 Spreadsheet

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation Mass

for and Capacities per for

D t Metre

0.9 1 mm mm kg 1 1.5 2 2.5 3 3.5 4 5 6

12.9 12.9 114.3 8.77 389 375 355 323 278 229 186 126 89.5

2.19 0

14.3 14.3 9.83 434 418 396 360 309 254 206 139 99.4

2.45 0

19.2 19.2 13.5 596 574 543 492 420 343 278 187 133

3.32 0

23.3 23.3 16.8 741 713 672 607 515 419 338 228 162

4.09 0

29.3 29.3 139.7 16.6 743 724 700 666 616 548 470 334 243

5.04 0

35.9 35.9 20.7 925 901 870 827 763 675 577 409 296

6.23 0

43.9 43.9 26 1160 1130 1090 1030 949 836 712 502 363

7.71 0

52.6 52.6 32 1420 1390 1340 1260 1160 1010 859 603 436

9.36 0

43.5 43.5 168.3 20.1 908 891 870 844 810 762 700 547 412

7.39 0

53.3 53.3 25.2 1130 1110 1090 1050 1010 948 868 674 507

9.16 0

65.6 65.6 31.6 1420 1390 1360 1320 1260 1180 1080 834 626

11.4 0

79.2 79.2 39 1750 1720 1680 1620 1550 1450 1320 1010 758

13.9 0

57.9 57.9 193.7 23.3 1050 1030 1020 993 965 929 882 749 595

- -

71.6 71.6 29.1 1320 1300 1270 1240 1210 1160 1100 933 740

12.3 0

88.6 88.6 36.6 1660 1630 1600 1560 1520 1460 1380 1160 918

15.3 0

107 107 45.3 2050 2010 1970 1930 1870 1800 1700 1420 1120

18.8 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc (kN)

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m)

   3.2

pyZ = 10.7

   3.6

pyZ = 11.9

   5.0

pyZ = 16.0

   6.3

pyZ = 19.4

   5.0

pyZ = 24.4

   6.3

pyZ = 29.9

   8.0

pyZ = 36.6

   10.0

pyZ = 43.8

   5.0

pyZ = 36.2

   6.3

pyZ = 44.4

   8.0

pyZ = 54.7

   10.0

pyZ = 66.0

   5.0

pyZ = 48.3

   6.3

pyZ = 59.6

   8.0

pyZ = 73.8

   10.0

pyZ = 89.5

HOT-FINISHED   CELSIUS

Page 218: Steel Section Capacities BS 5950 Spreadsheet

Section Designation Mass

for and Capacities per for

D t Metre

0.9 1 mm mm kg 2 3 4 5 6 7 8 9 10

75 75 219.1 26.4 1160 1120 1050 947 800 648 523 426 351

- -

92.9 92.9 33.1 1460 1400 1320 1180 996 806 649 528 436

15.8 0

115 115 41.6 1840 1760 1660 1480 1240 1000 808 657 542

19.8 0

140 140 51.6 2270 2180 2040 1820 1520 1220 983 799 659

24.3 0

169 169 63.7 2800 2690 2510 2230 1850 1490 1190 967 797

29.7 0

207 207 244.5 68.8 3050 2950 2810 2600 2280 1910 1570 1290 1070

36 0

116 116 273 33 1480 1440 1390 1320 1220 1080 926 780 657

- -

147 147 41.4 1850 1800 1740 1650 1520 1350 1150 970 817

- -

183 183 52.3 2330 2270 2190 2080 1920 1690 1440 1210 1020

31.2 0

223 223 64.9 2890 2820 2720 2570 2370 2080 1770 1490 1250

38.4 0

271 271 80.3 3580 3480 3360 3180 2910 2550 2170 1810 1520

47.1 0

334 334 101 4520 4390 4230 4000 3650 3180 2690 2240 1880

58.8 0

209 209 323.9 49.3 2220 2180 2120 2050 1960 1830 1670 1470 1280

- -

261 261 62.3 2800 2750 2680 2590 2480 2320 2100 1860 1610

- -

320 320 77.4 3480 3410 3320 3210 3070 2860 2590 2280 1980

54.8 0

391 391 96 4310 4220 4120 3980 3790 3530 3190 2800 2420

67.4 0

484 484 122 5460 5340 5210 5030 4780 4440 4000 3500 3020

84.3 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997

CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation Mass

for and Capacities per for

D t Metre

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc (kN)

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m)

   5.0

pyZ = 62.5

   6.3

pyZ = 77.4

   8.0

pyZ = 95.9

   10.0

pyZ = 116

   12.5

pyZ = 141

   12.0

pyZ = 173

   5.0

pyZ = 98.3

   6.3

pyZ = 122

   8.0

pyZ = 152

   10.0

pyZ = 186

   12.5

pyZ = 226

   16.0

pyZ = 278

   6.3

pyZ = 174

   8.0

pyZ = 217

   10.0

pyZ = 267

   12.5

pyZ = 326

   16.0

pyZ = 403

HOT-FINISHED   CELSIUS

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc (kN)

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m)

Page 219: Steel Section Capacities BS 5950 Spreadsheet

0.9 1 mm mm kg 2 3 4 5 6 7 8 9 10

313 313 406 62.2 2760 2720 2680 2620 2560 2480 2380 2250 2090

- -

417 417 78.6 3550 3510 3450 3380 3300 3190 3060 2880 2670

- -

513 513 97.8 4440 4380 4300 4220 4110 3980 3810 3590 3310

- -

630 630 121 5500 5430 5330 5220 5090 4930 4710 4430 4080

108 0

785 785 154 6960 6860 6740 6600 6430 6220 5930 5570 5130

136 0

515 515 457 88.6 4000 3970 3920 3850 3780 3690 3590 3450 3280

- -

654 654 110 4970 4930 4860 4780 4690 4580 4440 4270 4050

- -

804 804 137 6210 6160 6070 5970 5860 5720 5540 5320 5050

137 0

1010 1010 174 7880 7810 7700 7570 7420 7240 7020 6740 6380

173 0

622 622 508 98.6 4410 4390 4340 4280 4210 4140 4050 3940 3810

- -

814 814 123 5540 5520 5450 5370 5290 5190 5080 4940 4760

- -

1000 1000 153 6920 6890 6810 6710 6610 6480 6340 6160 5940

- -

1260 1260 194 8770 8730 8620 8500 8360 8210 8020 7790 7510

215 0

1490 1490 241 10600 10500 10400 10300 10100 9920 9690 9420 9080

257 0

 * 6.3

pyZ = 277

   8.0

pyZ = 347

   10.0

pyZ = 428

   12.5

pyZ = 525

   16.0

pyZ = 654

   8.0

pyZ = 442

   10.0

pyZ = 545

   12.5

pyZ = 670

   16.0

pyZ = 839

 * 8.0

pyZ = 549

   10.0

pyZ = 678

   12.5

pyZ = 836

   16.0

pyZ = 1050

   20.0

pyZ = 1240

Page 220: Steel Section Capacities BS 5950 Spreadsheet

<>

for

7 8 9 10

0.694 0.532 0.421 0.341

3.07 2.36 1.87 1.52

4.67 3.59 2.84 2.3

5.53 4.25 3.36 2.73

6.5 4.99 3.95 3.21

9.36 7.2 5.71 4.63

13.4 10.3 8.14 6.61

17.7 13.6 10.8 8.79

19.3 14.9 11.8 9.59

23.3 18 14.3 11.6

28.1 21.6 17.2 14

31.1 24 19 15.5

37.8 29.2 23.2 18.8

45.8 35.3 28 22.8

55.1 42.4 33.7 27.4

<>

Compression Resistance Pc (kN)

Varying effective lengths Le (m)

Page 221: Steel Section Capacities BS 5950 Spreadsheet

for

7 8 9 10

66.7 51.6 41.1 33.5

74.1 57.3 45.6 37.2

99.5 76.9 61.2 49.9

121 93.3 74.3 60.5

182 142 113 92.3

223 173 138 113

273 212 169 138

327 254 202 165

315 247 198 162

387 303 243 199

477 373 299 245

577 451 361 296

466 369 298 245

578 458 369 303

716 567 457 375

869 687 553 454

<>

Compression Resistance Pc (kN)

Varying effective lengths Le (m)

Page 222: Steel Section Capacities BS 5950 Spreadsheet

for

11 12 13 14

294 250 215 186

365 310 266 231

454 385 331 287

552 468 402 349

667 566 486 421

898 764 657 571

557 476 411 358

692 591 510 444

863 737 636 554

1060 904 780 679

1290 1100 948 825

1590 1360 1170 1020

1100 956 831 728

1390 1210 1050 919

1710 1480 1280 1120

2090 1800 1570 1370

2600 2250 1950 1700

<>

for

Compression Resistance Pc (kN)

Varying effective lengths Le (m)

Compression Resistance Pc (kN)

Varying effective lengths Le (m)

Page 223: Steel Section Capacities BS 5950 Spreadsheet

11 12 13 14

1900 1710 1530 1360

2430 2180 1940 1730

3010 2690 2400 2130

3700 3310 2940 2610

4630 4140 3680 3260

3070 2830 2590 2340

3790 3490 3180 2880

4720 4340 3950 3560

5950 5470 4970 4480

3650 3450 3230 2980

4550 4300 4010 3700

5670 5350 4980 4590

7160 6740 6270 5770

8670 8180 7620 7030

Page 224: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

JOISTS SUBJECT <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

285 285 285 285 285 285 285 285 285 285 285

n/a 71.2 71.2 71.2 71.2 71.2 71.2 71.2 71.2 71.2 71.2 71.2

1 285 278 260 230 199 168 136 103 69.2 35 0

71.2 71.2 71.2 71.2 71.2 71.2 71.2 59.4 42.8 23 0

126 126 126 126 126 126 126 126 126 126 126

n/a 15.5 15.5 15.5 15.5 15.5 15.5 15.5 15.5 15.5 15.5 15.5

1 126 124 118 108 94.3 79.2 63.9 48.3 32.5 16.4 0

15.5 15.5 15.5 15.5 15.5 15.5 15.5 14.7 10.8 5.94 0

143 143 143 143 143 143 143 143 143 143 143

n/a 34 34 34 34 34 34 34 34 34 34 34

1 143 140 130 116 101 84.8 68.6 52.1 35.1 17.7 0

34 34 34 34 34 34 34 28.1 20.3 10.9 0

76.7 76.7 76.7 76.7 76.7 76.7 76.7 76.7 76.7 76.7 76.7

n/a 19.7 19.7 19.7 19.7 19.7 19.7 19.7 19.7 19.7 19.7 19.7

1 76.7 75.2 70.8 63.7 55.3 46.7 37.9 28.8 19.4 9.83 0

19.7 19.7 19.7 19.7 19.7 19.7 19.7 17 12.4 6.71 0

49.8 49.8 49.8 49.8 49.8 49.8 49.8 49.8 49.8 49.8 49.8

n/a 14 14 14 14 14 14 14 14 14 14 14

1 49.8 48.8 46 41.6 36.2 30.6 24.8 18.8 12.7 6.45 0

14 14 14 14 14 14 14 12.1 8.77 4.75 0

47.3 47.3 47.3 47.3 47.3 47.3 47.3 47.3 47.3 47.3 47.3

n/a 13.6 13.6 13.6 13.6 13.6 13.6 13.6 13.6 13.6 13.6 13.6

1 47.3 46.2 43 38.4 33.3 28.1 22.8 17.3 11.7 5.9 0

13.6 13.6 13.6 13.6 13.6 13.6 13.6 11.3 8.13 4.37 0

28.6 28.6 28.6 28.6 28.6 28.6 28.6 28.6 28.6 28.6 28.6

n/a 5.28 5.28 5.28 5.28 5.28 5.28 5.28 5.28 5.28 5.28 5.28

1 28.6 28.1 26.4 23.8 20.7 17.4 14.1 10.7 7.21 3.64 0

5.28 5.28 5.28 5.28 5.28 5.28 5.28 4.52 3.29 1.78 0

41.5 41.5 41.5 41.5 41.5 41.5 41.5 41.5 41.5 41.5 41.5

n/a 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9

1 41.5 40.7 38.1 34.4 30 25.3 20.5 15.6 10.6 5.35 0

12.9 12.9 12.9 12.9 12.9 12.9 12.9 11.2 8.1 4.38 0

31.1 31.1 31.1 31.1 31.1 31.1 31.1 31.1 31.1 31.1 31.1

n/a 10 10 10 10 10 10 10 10 10 10 10

1 31.1 30.5 28.6 25.8 22.5 19 15.4 11.8 7.95 4.04 0

10 10 10 10 10 10 10 8.44 6.13 3.31 0

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   254x203x82 # Mcx

      Pz = Agpy = 2780 Mcy

Mrx

Mry

   254x114x37 ‡ Mcx

      Pz = Agpy = 1300 Mcy

Mrx

Mry

   203x152x52 # Mcx

      Pz = Agpy = 1760 Mcy

Mrx

Mry

   152x127x37 # Mcx

      Pz = Agpy = 1310 Mcy

Mrx

Mry

   127x114x29 # Mcx

      Pz = Agpy = 1030 Mcy

Mrx

Mry

   127x114x27 # Mcx

      Pz = Agpy = 941 Mcy

Mrx

Mry

   127x76x16 ‡ Mcx

      Pz = Agpy = 580 Mcy

Mrx

Mry

   114x114x27 ‡ Mcx

      Pz = Agpy = 949 Mcy

Mrx

Mry

   102x102x23 # Mcx

      Pz = Agpy = 806 Mcy

Mrx

Mry

Page 225: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

JOISTS SUBJECT <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

9.74 9.74 9.74 9.74 9.74 9.74 9.74 9.74 9.74 9.74 9.74

n/a 1.16 1.16 1.16 1.16 1.16 1.16 1.16 1.16 1.16 1.16 1.16

1 9.74 9.59 9.16 8.44 7.46 6.29 5.09 3.86 2.6 1.31 0

1.16 1.16 1.16 1.16 1.16 1.16 1.16 1.12 0.834 0.461 0

22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7

n/a 7.52 7.52 7.52 7.52 7.52 7.52 7.52 7.52 7.52 7.52 7.52

1 22.7 22.3 20.9 19 16.5 14 11.4 8.7 5.9 3 0

7.52 7.52 7.52 7.52 7.52 7.52 7.52 6.26 4.55 2.46 0

14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9

n/a 5.02 5.02 5.02 5.02 5.02 5.02 5.02 5.02 5.02 5.02 5.02

1 14.9 14.6 13.8 12.5 10.9 9.22 7.5 5.72 3.88 1.97 0

5.02 5.02 5.02 5.02 5.02 5.02 5.02 4.31 3.14 1.7 0

13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4

n/a 4.49 4.49 4.49 4.49 4.49 4.49 4.49 4.49 4.49 4.49 4.49

1 13.4 13 12.1 10.7 9.33 7.89 6.41 4.88 3.3 1.67 0

4.49 4.49 4.49 4.49 4.49 4.49 4.41 3.59 2.58 1.38 0

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   102x44x7 # Mcx

      Pz = Agpy = 261 Mcy

Mrx

Mry

   89x89x19 # Mcx

      Pz = Agpy = 685 Mcy

Mrx

Mry

   76x76x15 ‡ Mcx

      Pz = Agpy = 525 Mcy

Mrx

Mry

   76x76x13 # Mcx

      Pz = Agpy = 446 Mcy

Mrx

Mry

Page 226: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

JOISTS SUBJECT <>TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Limit for

Capacities

(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8

1 2780 2780 2780 2750 2720 2690 2650 2580 2480 2350 2190

2740 2630 2500 2350 2170 1960 1740 1320 1000 776 614

1 285 285 285 275 262 250 239 219 202 187 173

285 285 285 285 285 279 266 240 212 186 161

1 1300 1300 1300 1280 1270 1250 1240 1200 1150 1080 993

1170 1020 821 626 475 367 290 193 137 102 79.3

1 125 110 95.3 83 72.9 64.7 58.1 48.2 41.2 36 32.1

126 126 118 107 94.7 82.9 71.9 53.8 40.9 31.8 25.4

1 1760 1760 1740 1720 1690 1660 1630 1550 1440 1290 1120

1690 1590 1450 1290 1100 922 765 534 389 294 229

1 143 143 136 128 121 114 108 97.2 88.2 80.5 73.9

143 143 143 142 134 125 116 97.6 80.7 66.4 54.9

1 1310 1270 1230 1190 1130 1080 1010 854 697 561 455

1170 1020 852 688 548 438 355 244 177 133 104

1 76.7 75.5 70.6 66.3 62.5 59 55.8 50.2 45.5 41.4 38

76.7 76.7 76 70.2 64.2 58.1 51.9 40.8 31.9 25.3 20.4

1 1020 982 940 891 834 767 693 543 419 326 259

895 759 612 478 372 293 235 160 115 86.6 67.5

1 49.8 48.5 45.3 42.6 40.2 37.9 35.9 32.3 29.2 26.6 24.4

49.8 49.8 47.7 43.4 39 34.6 30.4 23.1 17.7 13.9 11.1

1 934 900 864 821 772 714 649 514 399 312 248

826 708 578 456 358 283 228 155 112 84.5 65.9

1 47.3 45.8 42.7 40 37.5 35.3 33.3 29.8 26.9 24.4 22.3

47.3 47.3 45.8 42 37.9 33.9 29.9 23 17.8 14 11.2

1 578 565 551 534 512 482 444 351 268 206 162

470 346 235 162 118 88.7 69.1 45.3 31.9 23.7 18.3

1 26.5 23.1 20.3 18.1 16.2 14.6 13.3 11.3 9.82 8.68 7.77

28.6 26.2 22.5 18.7 15.3 12.5 10.2 7.16 5.25 4 3.14

1 933 893 848 795 730 656 578 435 328 252 199

826 702 567 443 345 272 218 148 107 80.5 62.7

1 41.5 41.1 38.7 36.6 34.8 33.1 31.5 28.6 26.2 24 22.2

41.5 41.5 39.8 36.3 32.6 29 25.4 19.4 14.9 11.7 9.33

1 784 744 697 639 570 495 422 305 225 171 134

679 557 431 326 249 194 154 104 74.5 55.9 43.5

1 31.1 30.4 28.6 27.1 25.7 24.4 23.2 21.1 19.2 17.6 16.2

31.1 31.1 28.6 25.6 22.5 19.6 16.8 12.5 9.41 7.3 5.8

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

   254x203x82 # Pcx

      Pz = Agpy = 2780 Pcy

      pyZx = 251 Mb

      pyZy = 59.4 Mbs

   254x114x37 ‡ Pcx

      Pz = Agpy = 1300 Pcy

      pyZx = 110 Mb

      pyZy = 13 Mbs

   203x152x52 # Pcx

      Pz = Agpy = 1760 Pcy

      pyZx = 125 Mb

      pyZy = 28.4 Mbs

   152x127x37 # Pcx

      Pz = Agpy = 1310 Pcy

      pyZx = 65.7 Mb

      pyZy = 16.4 Mbs

   127x114x29 # Pcx

      Pz = Agpy = 1030 Pcy

      pyZx = 42.4 Mb

      pyZy = 11.6 Mbs

   127x114x27 # Pcx

      Pz = Agpy = 941 Pcy

      pyZx = 41 Mb

      pyZy = 11.4 Mbs

   127x76x16 ‡ Pcx

      Pz = Agpy = 580 Pcy

      pyZx = 24.8 Mb

      pyZy = 4.4 Mbs

   114x114x27 ‡ Pcx

      Pz = Agpy = 949 Pcy

      pyZx = 35.5 Mb

      pyZy = 10.8 Mbs

   102x102x23 # Pcx

      Pz = Agpy = 806 Pcy

      pyZx = 26.3 Mb

      pyZy = 8.33 Mbs

Page 227: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

JOISTS SUBJECT <>TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and Limit for

Capacities

(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8

1 257 249 239 224 204 177 150 106 76.4 57.5 44.7

117 59.5 35.2 23.1 16.3 12.1 9.34 6.04 4.23 3.12 2.4

1 6.74 5.21 4.22 3.54 3.05 2.68 2.4 1.97 1.68 1.47 1.3

7.98 5.62 3.85 2.71 2 1.53 1.2 0.8 0.57 0.427 0.331

1 656 614 562 497 423 352 291 203 147 111 86.6

551 430 316 231 173 133 105 70.3 50.2 37.5 29.1

1 22.7 22.2 20.9 19.8 18.8 17.9 17 15.5 14.1 13 12

22.7 22.2 19.8 17.2 14.7 12.4 10.5 7.53 5.6 4.31 3.41

1 493 452 398 333 269 215 174 118 84.7 63.6 49.4

398 292 204 145 107 81.8 64.3 42.7 30.3 22.7 17.6

1 14.9 14.3 13.4 12.7 12 11.4 10.8 9.76 8.87 8.11 7.45

14.9 13.9 12.1 10.2 8.42 6.93 5.73 4.03 2.96 2.26 1.78

1 420 388 345 293 240 194 157 107 77.2 58 45.1

339 249 175 124 91.7 70 55.1 36.6 26 19.4 15.1

1 13.4 12.4 11.6 10.8 10.1 9.51 8.94 7.96 7.14 6.47 5.9

13.4 12.5 10.9 9.2 7.62 6.27 5.19 3.65 2.69 2.05 1.61

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

   102x44x7 # Pcx

      Pz = Agpy = 261 Pcy

      pyZx = 8.28 Mb

      pyZy = 0.965 Mbs

   89x89x19 # Pcx

      Pz = Agpy = 685 Pcy

      pyZx = 19 Mb

      pyZy = 6.27 Mbs

   76x76x15 ‡ Pcx

      Pz = Agpy = 525 Pcy

      pyZx = 12.4 Mb

      pyZy = 4.18 Mbs

   76x76x13 # Pcx

      Pz = Agpy = 446 Pcy

      pyZx = 11.4 Mb

      pyZy = 3.74 Mbs

Page 228: Steel Section Capacities BS 5950 Spreadsheet

for

9 10

1990 1780

496 408

162 151

139 120

892 786

63.2 51.5

28.9 26.3

20.7 17.1

951 807

184 151

68.3 63.4

45.8 38.7

373 310

83.6 68.6

35.1 32.6

16.7 14

210 173

54.1 44.3

22.5 20.9

9.07 7.53

202 167

52.8 43.3

20.5 19

9.16 7.61

130 107

14.5 11.8

7.04 6.44

2.53 2.08

161 132

50.2 41.1

20.6 19.1

7.62 6.33

108 88.5

34.8 28.5

15 14

4.72 3.91

(kN) and Buckling Resistance Moment Mb, Mbs (kNm)

(m) within the limiting value of F/Pz

Page 229: Steel Section Capacities BS 5950 Spreadsheet

9 10

35.7 29.1

1.9 1.55

1.17 1.06

0.265 0.216

69.4 56.8

23.3 19

11.1 10.3

2.76 2.28

39.5 32.3

14 11.4

6.89 6.4

1.44 1.18

36.1 29.5

12 9.8

5.42 5.01

1.3 1.07

(kN) and Buckling Resistance Moment Mb, Mbs (kNm)

Page 230: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

JOISTS SUBJECT <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

372 372 372 372 372 372 372 372 372 372 372

n/a 92.7 92.7 92.7 92.7 92.7 92.7 92.7 92.7 92.7 92.7 92.7

1 372 362 338 299 259 218 177 134 90.1 45.5 0

92.7 92.7 92.7 92.7 92.7 92.7 92.7 77.4 55.7 29.9 0

163 163 163 163 163 163 163 163 163 163 163

n/a 20.1 20.1 20.1 20.1 20.1 20.1 20.1 20.1 20.1 20.1 20.1

1 163 160 152 139 122 102 82.5 62.4 42 21.2 0

20.1 20.1 20.1 20.1 20.1 20.1 20.1 19 14 7.67 0

187 187 187 187 187 187 187 187 187 187 187

n/a 44.3 44.3 44.3 44.3 44.3 44.3 44.3 44.3 44.3 44.3 44.3

1 187 182 169 151 131 110 89.4 67.8 45.7 23.1 0

44.3 44.3 44.3 44.3 44.3 44.3 44.3 36.6 26.4 14.2 0

99 99 99 99 99 99 99 99 99 99 99

n/a 25.4 25.4 25.4 25.4 25.4 25.4 25.4 25.4 25.4 25.4 25.4

1 99 97.1 91.3 82.2 71.4 60.3 48.9 37.1 25.1 12.7 0

25.4 25.4 25.4 25.4 25.4 25.4 25.4 22 16 8.66 0

64.3 64.3 64.3 64.3 64.3 64.3 64.3 64.3 64.3 64.3 64.3

n/a 18 18 18 18 18 18 18 18 18 18 18

1 64.3 63 59.4 53.7 46.7 39.4 32 24.3 16.4 8.32 0

18 18 18 18 18 18 18 15.6 11.3 6.13 0

61.1 61.1 61.1 61.1 61.1 61.1 61.1 61.1 61.1 61.1 61.1

n/a 17.6 17.6 17.6 17.6 17.6 17.6 17.6 17.6 17.6 17.6 17.6

1 61.1 59.7 55.4 49.5 43 36.3 29.4 22.3 15.1 7.62 0

17.6 17.6 17.6 17.6 17.6 17.6 17.6 14.5 10.5 5.64 0

36.9 36.9 36.9 36.9 36.9 36.9 36.9 36.9 36.9 36.9 36.9

n/a 6.82 6.82 6.82 6.82 6.82 6.82 6.82 6.82 6.82 6.82 6.82

1 36.9 36.2 34.1 30.8 26.7 22.5 18.2 13.8 9.31 4.7 0

6.82 6.82 6.82 6.82 6.82 6.82 6.82 5.84 4.25 2.3 0

53.6 53.6 53.6 53.6 53.6 53.6 53.6 53.6 53.6 53.6 53.6

n/a 16.7 16.7 16.7 16.7 16.7 16.7 16.7 16.7 16.7 16.7 16.7

1 53.6 52.5 49.2 44.5 38.7 32.7 26.5 20.2 13.6 6.91 0

16.7 16.7 16.7 16.7 16.7 16.7 16.7 14.4 10.5 5.66 0

40.1 40.1 40.1 40.1 40.1 40.1 40.1 40.1 40.1 40.1 40.1

n/a 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9

1 40.1 39.3 36.9 33.3 29 24.5 19.9 15.2 10.3 5.21 0

12.9 12.9 12.9 12.9 12.9 12.9 12.9 10.9 7.91 4.28 0

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   254x203x82 # Mcx

      Pz = Agpy = 3620 Mcy

Mrx

Mry

   254x114x37 ‡ Mcx

      Pz = Agpy = 1680 Mcy

Mrx

Mry

   203x152x52 # Mcx

      Pz = Agpy = 2300 Mcy

Mrx

Mry

   152x127x37 # Mcx

      Pz = Agpy = 1690 Mcy

Mrx

Mry

   127x114x29 # Mcx

      Pz = Agpy = 1330 Mcy

Mrx

Mry

   127x114x27 # Mcx

      Pz = Agpy = 1210 Mcy

Mrx

Mry

   127x76x16 ‡ Mcx

      Pz = Agpy = 749 Mcy

Mrx

Mry

   114x114x27 ‡ Mcx

      Pz = Agpy = 1220 Mcy

Mrx

Mry

   102x102x23 # Mcx

      Pz = Agpy = 1040 Mcy

Mrx

Mry

Page 231: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

JOISTS SUBJECT <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

12.6 12.6 12.6 12.6 12.6 12.6 12.6 12.6 12.6 12.6 12.6

n/a 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5

1 12.6 12.4 11.8 10.9 9.63 8.12 6.56 4.98 3.35 1.7 0

1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.44 1.08 0.596 0

29.4 29.4 29.4 29.4 29.4 29.4 29.4 29.4 29.4 29.4 29.4

n/a 9.71 9.71 9.71 9.71 9.71 9.71 9.71 9.71 9.71 9.71 9.71

1 29.4 28.8 27 24.5 21.3 18.1 14.7 11.2 7.61 3.87 0

9.71 9.71 9.71 9.71 9.71 9.71 9.71 8.08 5.87 3.18 0

19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2

n/a 6.48 6.48 6.48 6.48 6.48 6.48 6.48 6.48 6.48 6.48 6.48

1 19.2 18.9 17.8 16.1 14 11.9 9.69 7.39 5 2.54 0

6.48 6.48 6.48 6.48 6.48 6.48 6.48 5.57 4.05 2.19 0

17.3 17.3 17.3 17.3 17.3 17.3 17.3 17.3 17.3 17.3 17.3

n/a 5.79 5.79 5.79 5.79 5.79 5.79 5.79 5.79 5.79 5.79 5.79

1 17.3 16.8 15.6 13.8 12 10.2 8.28 6.3 4.26 2.16 0

5.79 5.79 5.79 5.79 5.79 5.79 5.7 4.63 3.33 1.79 0

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   102x44x7 # Mcx

      Pz = Agpy = 337 Mcy

Mrx

Mry

   89x89x19 # Mcx

      Pz = Agpy = 884 Mcy

Mrx

Mry

   76x76x15 ‡ Mcx

      Pz = Agpy = 678 Mcy

Mrx

Mry

   76x76x13 # Mcx

      Pz = Agpy = 575 Mcy

Mrx

Mry

Page 232: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

JOISTS SUBJECT <>TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8

1 3620 3620 3600 3560 3520 3480 3430 3310 3140 2910 2620

3540 3380 3200 2960 2670 2340 2010 1450 1070 816 639

1 372 372 364 344 326 309 294 265 240 219 201

372 372 372 372 367 350 332 295 255 218 184

1 1680 1680 1660 1650 1630 1610 1580 1520 1440 1320 1160

1490 1250 945 686 506 385 302 199 140 104 80.6

1 156 134 114 96.9 83.4 72.9 64.7 52.8 44.6 38.7 34.3

163 161 146 130 113 96.8 82.1 59.5 44.3 34 26.9

1 2300 2290 2260 2220 2190 2150 2090 1950 1750 1490 1240

2180 2030 1820 1560 1270 1030 830 564 405 304 236

1 187 183 170 159 148 139 130 115 102 92.2 83.7

187 187 187 179 167 154 141 115 92.5 74.3 60.4

1 1680 1630 1570 1510 1430 1340 1230 991 774 607 483

1480 1260 1020 788 608 477 381 257 184 138 107

1 99 94 87.3 81.3 75.9 70.9 66.4 58.6 52.2 47 42.7

99 99 94.6 86.8 78.3 69.5 61 46.2 35.2 27.4 21.9

1 1310 1250 1200 1120 1030 925 811 603 450 344 271

1130 932 718 538 407 315 250 167 119 89.3 69.3

1 64.3 60.3 56 52.1 48.7 45.5 42.6 37.6 33.5 30.2 27.4

64.3 64.3 59.2 53.3 47 40.8 35 25.7 19.3 14.9 11.8

1 1200 1150 1100 1040 958 865 764 574 431 330 260

1050 873 682 516 393 305 243 163 116 87.2 67.8

1 61.1 57 52.7 48.8 45.3 42.2 39.4 34.5 30.7 27.5 24.9

61.1 61.1 57 51.6 45.9 40.2 34.7 25.8 19.4 15 11.9

1 743 726 706 679 641 588 521 384 283 214 167

581 393 252 171 122 91.4 70.9 46.2 32.4 24 18.5

1 32.8 28 24.1 21 18.5 16.5 14.9 12.4 10.7 9.36 8.33

36.9 32.4 27.1 21.8 17.3 13.8 11.2 7.65 5.54 4.18 3.27

1 1190 1140 1080 993 889 774 659 474 348 264 207

1040 862 665 499 378 292 232 155 111 83 64.5

1 53.6 51.2 47.9 45.1 42.4 40 37.7 33.7 30.3 27.5 25.1

53.6 53.6 49.4 44.6 39.4 34.2 29.4 21.6 16.2 12.5 9.92

1 1000 948 877 785 676 565 468 325 236 178 138

855 675 496 361 269 206 163 108 77 57.5 44.6

1 40.1 37.8 35.4 33.3 31.3 29.4 27.7 24.7 22.2 20.1 18.3

40.1 39.3 35.4 31.2 26.8 22.7 19.1 13.7 10.1 7.77 6.13

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

   254x203x82 # Pcx

      Pz = Agpy = 3620 Pcy

      pyZx = 327 Mb

      pyZy = 77.3 Mbs

   254x114x37 ‡ Pcx

      Pz = Agpy = 1680 Pcy

      pyZx = 142 Mb

      pyZy = 16.7 Mbs

   203x152x52 # Pcx

      Pz = Agpy = 2300 Pcy

      pyZx = 163 Mb

      pyZy = 36.9 Mbs

   152x127x37 # Pcx

      Pz = Agpy = 1690 Pcy

      pyZx = 84.8 Mb

      pyZy = 21.2 Mbs

   127x114x29 # Pcx

      Pz = Agpy = 1330 Pcy

      pyZx = 54.7 Mb

      pyZy = 15 Mbs

   127x114x27 # Pcx

      Pz = Agpy = 1210 Pcy

      pyZx = 52.9 Mb

      pyZy = 14.7 Mbs

   127x76x16 ‡ Pcx

      Pz = Agpy = 749 Pcy

      pyZx = 32 Mb

      pyZy = 5.68 Mbs

   114x114x27 ‡ Pcx

      Pz = Agpy = 1220 Pcy

      pyZx = 45.8 Mb

      pyZy = 13.9 Mbs

   102x102x23 # Pcx

      Pz = Agpy = 1040 Pcy

      pyZx = 33.9 Mb

      pyZy = 10.8 Mbs

Page 233: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

JOISTS SUBJECT <>TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8

1 330 319 303 278 241 200 163 110 78.8 58.8 45.5

127 62 36.1 23.6 16.6 12.3 9.46 6.11 4.26 3.15 2.42

1 7.95 5.9 4.67 3.86 3.3 2.88 2.56 2.09 1.77 1.54 1.36

9.69 6.44 4.22 2.91 2.12 1.6 1.26 0.828 0.587 0.438 0.339

1 839 779 698 594 484 389 314 213 153 115 88.9

688 509 355 251 184 140 110 72.8 51.6 38.5 29.8

1 29.4 27.6 25.8 24.3 22.9 21.6 20.3 18.2 16.4 14.8 13.5

29.4 27.6 24.3 20.7 17.2 14.1 11.7 8.17 5.98 4.55 3.57

1 629 568 482 383 297 232 184 123 87.4 65.2 50.5

492 338 225 156 113 85.5 66.9 44 31.1 23.2 17.9

1 19.1 17.7 16.6 15.5 14.6 13.7 12.8 11.4 10.2 9.2 8.37

19.2 17.2 14.6 12 9.61 7.72 6.27 4.32 3.13 2.37 1.86

1 537 489 422 341 267 210 167 112 79.8 59.6 46.2

419 289 192 133 96.9 73.3 57.3 37.7 26.7 19.8 15.3

1 16.8 15.4 14.2 13.1 12.1 11.3 10.5 9.14 8.09 7.23 6.54

17.3 15.5 13.2 10.8 8.7 7 5.69 3.92 2.84 2.15 1.68

F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs

Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

   102x44x7 # Pcx

      Pz = Agpy = 337 Pcy

      pyZx = 10.7 Mb

      pyZy = 1.25 Mbs

   89x89x19 # Pcx

      Pz = Agpy = 884 Pcy

      pyZx = 24.5 Mb

      pyZy = 8.09 Mbs

   76x76x15 ‡ Pcx

      Pz = Agpy = 678 Pcy

      pyZx = 16 Mb

      pyZy = 5.4 Mbs

   76x76x13 # Pcx

      Pz = Agpy = 575 Pcy

      pyZx = 14.7 Mb

      pyZy = 4.83 Mbs

Page 234: Steel Section Capacities BS 5950 Spreadsheet

for

9 10

2290 1980

513 421

185 172

156 133

1010 859

64.1 52.2

30.7 27.9

21.7 17.9

1020 854

188 154

76.6 70.6

49.7 41.6

392 323

85.9 70.2

39 35.9

17.8 14.7

218 179

55.4 45.2

25.1 23.1

9.57 7.9

209 172

54.1 44.2

22.7 20.9

9.68 8

133 109

14.7 11.9

7.52 6.85

2.63 2.15

166 136

51.5 42

23.1 21.3

8.04 6.64

111 90.6

35.6 29

16.8 15.6

4.95 4.08

(kN) and Buckling Resistance Moment Mb, Mbs (kNm)

(m) within the limiting value of F/Pz

Page 235: Steel Section Capacities BS 5950 Spreadsheet

for

9 10

36.2 29.5

1.91 1.55

1.22 1.11

0.27 0.22

71 58

23.7 19.3

12.4 11.5

2.88 2.37

40.2 32.8

14.2 11.6

7.67 7.08

1.49 1.22

36.8 30

12.2 9.95

5.96 5.48

1.35 1.11

(kN) and Buckling Resistance Moment Mb, Mbs (kNm)

(m) within the limiting value of F/Pz

Page 236: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

PARALLEL FLANGE CHANNELS SUBJECT <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

324 324 324 324 324 324 324 324 324 324

n/a 31.1 31.1 31.1 31.1 31.1 31.1 31.1 31.1 31.1 31.1

1 324 320 308 287 259 222 180 136 91.8 46.3

31.1 31.1 31.1 31.1 31.1 31.1 31.1 31.1 27.4 14.9

31.1 31.1 31.1 31.1 30.5 25.9 21.1 16.2 11 5.6

247 247 247 247 247 247 247 247 247 247

n/a 28.4 28.4 28.4 28.4 28.4 28.4 28.4 28.4 28.4 28.4

1 247 244 234 218 195 165 133 101 67.9 34.3

28.4 28.4 28.4 28.4 28.4 28.4 28.4 28.4 22.7 12.2

28.4 28.4 28.4 28.4 27.5 23.3 19 14.5 9.83 5

170 170 170 170 170 170 170 170 170 170

n/a 26 26 26 26 26 26 26 26 26 26

1 170 167 160 148 130 110 88.7 67.2 45.2 22.8

26 26 26 26 26 26 26 26 18.7 10

26 26 26 26 25.5 21.6 17.6 13.4 9.08 4.61

156 156 156 156 156 156 156 156 156 156

n/a 20.8 20.8 20.8 20.8 20.8 20.8 20.8 20.8 20.8 20.8

1 156 154 148 137 122 103 83.6 63.3 42.6 21.5

20.8 20.8 20.8 20.8 20.8 20.8 20.8 20.8 16.1 8.66

20.8 20.8 20.8 20.8 20.3 17.2 14.1 10.7 7.28 3.7

117 117 117 117 117 117 117 117 117 117

n/a 18.6 18.6 18.6 18.6 18.6 18.6 18.6 18.6 18.6 18.6

1 117 115 110 102 89.8 75.6 61.1 46.3 31.1 15.7

18.6 18.6 18.6 18.6 18.6 18.6 18.6 18.6 13.4 7.16

18.6 18.6 18.6 18.6 18.2 15.4 12.5 9.57 6.48 3.29

90.2 90.2 90.2 90.2 90.2 90.2 90.2 90.2 90.2 90.2

n/a 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4

1 90.2 89 85.4 79.3 70.8 59.9 48.4 36.6 24.6 12.4

11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 9.01 4.86

11.4 11.4 11.4 11.4 11 9.32 7.59 5.79 3.92 1.99

97.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6

n/a 18.2 18.2 18.2 18.2 18.2 18.2 18.2 18.2 18.2 18.2

1 97.6 96.1 91.5 83.8 73.2 61.6 49.8 37.7 25.4 12.8

18.2 18.2 18.2 18.2 18.2 18.2 18.2 16.9 12.1 6.44

18.2 18.2 18.2 18.2 17.9 15.2 12.4 9.42 6.38 3.24

76.5 76.5 76.5 76.5 76.5 76.5 76.5 76.5 76.5 76.5

n/a 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5

1 76.5 75.3 71.9 66.3 58.4 49.3 39.8 30.1 20.3 10.2

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   430x100x64 Mcx

      Pz = Agpy = 2180 Mcy

Mrx

Mry1

Mry2

   380x100x54 Mcx

      Pz = Agpy = 1820 Mcy

Mrx

Mry1

Mry2

   300x100x46 Mcx

      Pz = Agpy = 1540 Mcy

Mrx

Mry1

Mry2

   300x90x41 Mcx

      Pz = Agpy = 1450 Mcy

Mrx

Mry1

Mry2

   260x90x35 Mcx

      Pz = Agpy = 1220 Mcy

Mrx

Mry1

Mry2

   260x75x28 Mcx

      Pz = Agpy = 965 Mcy

Mrx

Mry1

Mry2

   230x90x32 Mcx

      Pz = Agpy = 1130 Mcy

Mrx

Mry1

Mry2

   230x75x26 Mcx

      Pz = Agpy = 899 Mcy

Mrx

Page 237: Steel Section Capacities BS 5950 Spreadsheet

11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.4 8.18 4.38

11.5 11.5 11.5 11.5 11.3 9.54 7.76 5.92 4.01 2.04

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

PARALLEL FLANGE CHANNELS SUBJECT <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

80 80 80 80 80 80 80 80 80 80

n/a 17.6 17.6 17.6 17.6 17.6 17.6 17.6 17.6 17.6 17.6

1 80 78.6 74.4 67.3 58.6 49.4 39.9 30.3 20.4 10.3

17.6 17.6 17.6 17.6 17.6 17.6 17.6 15.2 10.8 5.78

17.6 17.6 17.6 17.6 17.6 15 12.2 9.31 6.31 3.2

62.4 62.4 62.4 62.4 62.4 62.4 62.4 62.4 62.4 62.4

n/a 11.2 11.2 11.2 11.2 11.2 11.2 11.2 11.2 11.2 11.2

1 62.4 61.4 58.3 53.2 46.4 39.1 31.6 23.9 16.1 8.14

11.2 11.2 11.2 11.2 11.2 11.2 11.2 10.2 7.27 3.88

11.2 11.2 11.2 11.2 11.1 9.43 7.67 5.84 3.96 2.01

63.8 63.8 63.8 63.8 63.8 63.8 63.8 63.8 63.8 63.8

n/a 15.6 15.6 15.6 15.6 15.6 15.6 15.6 15.6 15.6 15.6

1 63.8 62.6 59.1 53.3 46.3 39 31.5 23.9 16.1 8.13

15.6 15.6 15.6 15.6 15.6 15.6 15.6 13.2 9.43 5.02

15.6 15.6 15.6 15.6 15.6 13.4 10.9 8.3 5.62 2.85

48.4 48.4 48.4 48.4 48.4 48.4 48.4 48.4 48.4 48.4

n/a 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5

1 48.4 47.6 45.3 41.5 36.2 30.5 24.7 18.7 12.6 6.35

9.5 9.5 9.5 9.5 9.5 9.5 9.5 8.9 6.37 3.41

9.5 9.5 9.5 9.5 9.38 7.94 6.46 4.92 3.33 1.69

49.2 49.2 49.2 49.2 49.2 49.2 49.2 49.2 49.2 49.2

n/a 14.7 14.7 14.7 14.7 14.7 14.7 14.7 14.7 14.7 14.7

1 49.2 48.2 45.3 40.4 35.1 29.6 24 18.2 12.3 6.2

14.7 14.7 14.7 14.7 14.7 14.7 14.7 11.9 8.47 4.5

14.7 14.7 14.7 14.7 14.7 12.7 10.4 7.9 5.35 2.72

36.3 36.3 36.3 36.3 36.3 36.3 36.3 36.3 36.3 36.3

n/a 8.78 8.78 8.78 8.78 8.78 8.78 8.78 8.78 8.78 8.78

1 36.3 35.7 33.7 30.5 26.5 22.3 18 13.7 9.21 4.65

8.78 8.78 8.78 8.78 8.78 8.78 8.78 7.65 5.45 2.91

8.78 8.78 8.78 8.78 8.78 7.49 6.09 4.64 3.14 1.59

24.7 24.7 24.7 24.7 24.7 24.7 24.7 24.7 24.7 24.7

n/a 6.2 6.2 6.2 6.2 6.2 6.2 6.2 6.2 6.2 6.2

1 24.7 24.3 23 20.7 18 15.2 12.3 9.36 6.31 3.19

6.2 6.2 6.2 6.2 6.2 6.2 6.2 5.44 3.88 2.07

6.2 6.2 6.2 6.2 6.2 5.33 4.34 3.31 2.25 1.14

Mry1

Mry2

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   200x90x30 Mcx

      Pz = Agpy = 1040 Mcy

Mrx

Mry1

Mry2

   200x75x23 Mcx

      Pz = Agpy = 822 Mcy

Mrx

Mry1

Mry2

   180x90x26 Mcx

      Pz = Agpy = 913 Mcy

Mrx

Mry1

Mry2

   180x75x20 Mcx

      Pz = Agpy = 712 Mcy

Mrx

Mry1

Mry2

   150x90x24 Mcx

      Pz = Agpy = 836 Mcy

Mrx

Mry1

Mry2

   150x75x18 Mcx

      Pz = Agpy = 627 Mcy

Mrx

Mry1

Mry2

   125x65x15 # Mcx

      Pz = Agpy = 517 Mcy

Mrx

Mry1

Mry2

Page 238: Steel Section Capacities BS 5950 Spreadsheet

13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4

n/a 3.26 3.26 3.26 3.26 3.26 3.26 3.26 3.26 3.26 3.26

1 13.4 13.2 12.5 11.4 9.89 8.36 6.78 5.15 3.48 1.76

3.26 3.26 3.26 3.26 3.26 3.26 3.26 2.89 2.06 1.1

3.26 3.26 3.26 3.26 3.26 2.8 2.29 1.75 1.19 0.607

   100x50x10 # Mcx

      Pz = Agpy = 358 Mcy

Mrx

Mry1

Mry2

Page 239: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

PARALLEL FLANGE CHANNELS SUBJECT <>TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

for and Limit for

Capacities

1 (kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8

324 1 2180 2180 2180 2180 2160 2130 2090 2010 1930 1850 1760

31.1 1970 1740 1490 1230 996 807 659 457 332 252 197

0 1 324 300 264 231 203 179 159 130 110 95.3 84.2

0 324 324 324 304 281 257 232 186 148 118 96.1

0

247 1 1820 1820 1820 1820 1790 1760 1720 1650 1580 1500 1420

28.4 1660 1480 1270 1060 865 705 578 402 293 223 174

0 1 247 230 204 180 158 140 125 103 87.3 75.9 67.1

0 247 247 247 235 218 200 182 147 118 94.6 77

0

170 1 1540 1540 1540 1510 1470 1430 1390 1320 1230 1140 1050

26 1410 1260 1090 914 751 614 505 353 258 196 154

0 1 170 160 144 129 116 105 95 79.9 68.9 60.6 54.1

0 170 170 170 163 151 139 127 104 83.3 67.2 54.8

0

156 1 1450 1450 1450 1410 1380 1340 1310 1230 1150 1060 972

20.8 1290 1120 931 748 593 473 383 262 190 143 112

0 1 156 140 123 108 95.3 84.8 76.1 63.1 53.9 47.1 41.9

0 156 156 154 142 129 117 104 81.2 63.4 50.1 40.3

0

117 1 1220 1220 1210 1170 1140 1100 1070 990 908 823 736

18.6 1090 952 796 643 512 410 332 228 165 125 97.4

0 1 117 106 93.5 82.6 73.3 65.5 59.1 49.3 42.3 37.1 33

0 117 117 116 107 97.8 88.4 79.1 62.1 48.6 38.6 31.1

0

90.2 1 965 965 951 923 896 867 838 777 710 641 571

11.4 815 670 519 393 300 234 186 126 90 67.6 52.6

0 1 87 74.1 62.6 53.1 45.7 39.9 35.4 28.9 24.5 21.3 18.9

0 90.2 90.2 83.2 74.6 65.7 57 49.1 36.4 27.5 21.3 17

0

97.6 1 1130 1130 1100 1060 1030 992 954 873 786 697 612

18.2 1010 885 743 603 482 387 314 216 156 118 92.4

0 1 97.6 89.4 79.8 71.3 64 57.9 52.7 44.5 38.5 34 30.4

0 97.6 97.6 97.1 89.9 82.4 74.6 66.9 52.8 41.5 32.9 26.6

0

76.5 1 899 899 875 847 819 789 758 693 622 551 482

11.5 764 633 495 377 289 226 180 122 87.2 65.5 51

0 1 74.3 64.1 55 47.6 41.6 36.8 33 27.3 23.4 20.4 18.2

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

   430x100x64 Pcx

      Pz = Agpy = 2180 Pcy

      pyZx = 270 Mb

      pyZy = 25.9 Mbs

   380x100x54 Pcx

      Pz = Agpy = 1820 Pcy

      pyZx = 210 Mb

      pyZy = 23.6 Mbs

   300x100x46 Pcx

      Pz = Agpy = 1540 Pcy

      pyZx = 145 Mb

      pyZy = 21.7 Mbs

   300x90x41 Pcx

      Pz = Agpy = 1450 Pcy

      pyZx = 132 Mb

      pyZy = 17.4 Mbs

   260x90x35 Pcx

      Pz = Agpy = 1220 Pcy

      pyZx = 100 Mb

      pyZy = 15.5 Mbs

   260x75x28 Pcx

      Pz = Agpy = 965 Pcy

      pyZx = 76.5 Mb

      pyZy = 9.46 Mbs

   230x90x32 Pcx

      Pz = Agpy = 1130 Pcy

      pyZx = 84.2 Mb

      pyZy = 15.1 Mbs

   230x75x26 Pcx

      Pz = Agpy = 899 Pcy

      pyZx = 65.7 Mb

Page 240: Steel Section Capacities BS 5950 Spreadsheet

0 76.5 76.5 71.1 64 56.6 49.4 42.7 31.8 24.1 18.7 14.9

0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

PARALLEL FLANGE CHANNELS SUBJECT <>TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S275

Section Designation

for and Limit for

Capacities

1 (kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8

80 1 1040 1030 998 961 923 884 842 753 660 569 487

17.6 936 820 691 562 450 361 293 202 146 111 86.5

0 1 80 74.3 67.1 60.9 55.4 50.7 46.6 40 35 31.1 28

0 80 80 79.7 73.9 67.8 61.5 55.2 43.7 34.3 27.3 22

0

62.4 1 822 816 787 758 727 696 662 592 518 446 381

11.2 703 585 461 353 271 212 170 115 82.3 61.8 48.1

0 1 61.1 53.4 46.7 41.1 36.4 32.6 29.5 24.8 21.4 18.8 16.8

0 62.4 62.4 58.5 52.7 46.8 41 35.6 26.6 20.2 15.7 12.6

0

63.8 1 913 897 861 825 788 748 706 618 528 446 375

15.6 821 720 607 494 396 318 258 178 129 97.5 76.3

0 1 63.8 59.4 53.8 48.9 44.6 40.9 37.6 32.4 28.4 25.2 22.7

0 63.8 63.8 63.6 59 54.1 49.1 44.2 35 27.5 21.9 17.7

0

48.4 1 712 698 670 641 611 579 546 476 405 340 285

9.5 608 505 397 304 233 183 146 98.5 70.7 53.1 41.4

0 1 47.4 41.4 36.1 31.7 28.1 25.1 22.7 19 16.4 14.4 12.8

0 48.4 48.4 45.3 40.8 36.2 31.7 27.4 20.5 15.6 12.1 9.66

0

49.2 1 836 802 763 722 678 632 583 485 395 321 263

14.7 752 659 556 452 363 291 237 163 118 89.3 69.8

0 1 49.2 46.8 43 39.7 36.8 34.2 31.8 27.9 24.8 22.3 20.2

0 49.2 49.2 49.1 45.5 41.8 37.9 34.1 27 21.2 16.9 13.6

0

36.3 1 627 601 571 540 507 472 436 362 295 239 196

8.78 536 447 353 271 208 163 130 88 63.2 47.5 37

0 1 35.9 31.8 28.2 25.2 22.7 20.5 18.7 15.9 13.8 12.2 11

0 36.3 36.3 34 30.7 27.3 23.9 20.8 15.6 11.8 9.22 7.35

0

24.7 1 509 480 449 417 381 344 307 240 186 147 118

6.2 419 330 244 180 135 104 82.3 55 39.3 29.4 22.8

0 1 23.8 21.1 18.8 16.9 15.2 13.9 12.7 10.9 9.48 8.41 7.55

0 24.7 24.3 21.7 19 16.3 13.8 11.7 8.45 6.29 4.84 3.83

0

      pyZy = 9.57 Mbs

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

   200x90x30 Pcx

      Pz = Agpy = 1040 Pcy

      pyZx = 69.3 Mb

      pyZy = 14.7 Mbs

   200x75x23 Pcx

      Pz = Agpy = 822 Pcy

      pyZx = 53.9 Mb

      pyZy = 9.3 Mbs

   180x90x26 Pcx

      Pz = Agpy = 913 Pcy

      pyZx = 55.6 Mb

      pyZy = 13 Mbs

   180x75x20 Pcx

      Pz = Agpy = 712 Pcy

      pyZx = 41.8 Mb

      pyZy = 7.92 Mbs

   150x90x24 Pcx

      Pz = Agpy = 836 Pcy

      pyZx = 42.6 Mb

      pyZy = 12.2 Mbs

   150x75x18 Pcx

      Pz = Agpy = 627 Pcy

      pyZx = 31.6 Mb

      pyZy = 7.32 Mbs

   125x65x15 # Pcx

      Pz = Agpy = 517 Pcy

      pyZx = 21.3 Mb

      pyZy = 5.17 Mbs

Page 241: Steel Section Capacities BS 5950 Spreadsheet

13.4 1 341 315 286 255 222 191 163 119 88.7 68.3 54

3.26 253 174 116 81.1 59.2 44.9 35.2 23.3 16.5 12.3 9.51

0 1 12.2 10.6 9.35 8.31 7.46 6.75 6.15 5.22 4.54 4.01 3.59

0 13.4 11.9 10 8.16 6.55 5.28 4.3 2.98 2.17 1.65 1.29

0

   100x50x10 # Pcx

      Pz = Agpy = 358 Pcy

      pyZx = 11.4 Mb

      pyZy = 2.72 Mbs

Page 242: Steel Section Capacities BS 5950 Spreadsheet

for

9 10

1670 1580

159 130

75.5 68.4

79.2 66.3

1330 1240

140 115

60.3 54.7

63.6 53.3

960 869

124 101

48.9 44.7

45.3 38

882 794

89.7 73.5

37.7 34.3

33.1 27.5

653 577

78.2 64.1

29.8 27.2

25.5 21.3

505 445

42 34.4

16.9 15.4

13.8 11.4

533 464

74.1 60.8

27.5 25.1

21.8 18.2

419 365

40.8 33.4

16.4 14.9

(kN) and Buckling Resistance Moment Mb, Mbs (kNm)

(m) within the limiting value of F/Pz

Page 243: Steel Section Capacities BS 5950 Spreadsheet

12.2 10.1

for

9 10

416 357

69.4 56.9

25.4 23.3

18.1 15.1

325 279

38.5 31.5

15.2 13.8

10.2 8.48

316 268

61.2 50.2

20.6 18.9

14.5 12.1

240 204

33.1 27.1

11.6 10.6

7.87 6.52

218 183

56 46

18.5 17

11.2 9.35

162 136

29.6 24.2

9.94 9.09

5.99 4.97

96.3 80

18.2 14.9

6.86 6.28

3.11 2.57

(kN) and Buckling Resistance Moment Mb, Mbs (kNm)

(m) within the limiting value of F/Pz

Page 244: Steel Section Capacities BS 5950 Spreadsheet

43.7 36

7.57 6.18

3.25 2.98

1.04 0.855

Page 245: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

PARALLEL FLANGE CHANNELS SUBJECT <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

422 422 422 422 422 422 422 422 422 422

n/a 40.5 40.5 40.5 40.5 40.5 40.5 40.5 40.5 40.5 40.5

1 422 416 400 374 337 289 234 177 119 60.3

40.5 40.5 40.5 40.5 40.5 40.5 40.5 40.5 35.7 19.4

40.5 40.5 40.5 40.5 39.7 33.7 27.5 21 14.3 7.29

322 322 322 322 322 322 322 322 322 322

n/a 36.9 36.9 36.9 36.9 36.9 36.9 36.9 36.9 36.9 36.9

1 322 318 305 283 253 215 174 131 88.4 44.6

36.9 36.9 36.9 36.9 36.9 36.9 36.9 36.9 29.5 15.9

36.9 36.9 36.9 36.9 35.8 30.4 24.7 18.9 12.8 6.51

221 221 221 221 221 221 221 221 221 221

n/a 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8

1 221 218 208 192 170 143 115 87.4 58.9 29.7

33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8 24.3 13

33.8 33.8 33.8 33.8 33.1 28.1 22.9 17.4 11.8 6.01

202 202 202 202 202 202 202 202 202 202

n/a 26.9 26.9 26.9 26.9 26.9 26.9 26.9 26.9 26.9 26.9

1 202 199 191 177 158 133 108 81.7 55 27.8

26.9 26.9 26.9 26.9 26.9 26.9 26.9 26.9 20.8 11.2

26.9 26.9 26.9 26.9 26.2 22.3 18.1 13.9 9.4 4.78

151 151 151 151 151 151 151 151 151 151

n/a 24 24 24 24 24 24 24 24 24 24

1 151 149 142 131 116 97.6 78.9 59.7 40.2 20.3

24 24 24 24 24 24 24 24 17.2 9.24

24 24 24 24 23.5 19.9 16.2 12.4 8.37 4.25

116 116 116 116 116 116 116 116 116 116

n/a 14.7 14.7 14.7 14.7 14.7 14.7 14.7 14.7 14.7 14.7

1 116 115 110 102 91.4 77.3 62.5 47.3 31.8 16.1

14.7 14.7 14.7 14.7 14.7 14.7 14.7 14.7 11.6 6.27

14.7 14.7 14.7 14.7 14.2 12 9.79 7.47 5.07 2.57

126 126 126 126 126 126 126 126 126 126

n/a 23.4 23.4 23.4 23.4 23.4 23.4 23.4 23.4 23.4 23.4

1 126 124 118 108 94.5 79.5 64.3 48.7 32.8 16.6

23.4 23.4 23.4 23.4 23.4 23.4 23.4 21.8 15.6 8.32

23.4 23.4 23.4 23.4 23.2 19.6 16 12.2 8.24 4.19

98.7 98.7 98.7 98.7 98.7 98.7 98.7 98.7 98.7 98.7

n/a 14.8 14.8 14.8 14.8 14.8 14.8 14.8 14.8 14.8 14.8

1 98.7 97.2 92.9 85.6 75.3 63.6 51.4 38.9 26.2 13.2

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   430x100x64 Mcx

      Pz = Agpy = 2830 Mcy

Mrx

Mry1

Mry2

   380x100x54 Mcx

      Pz = Agpy = 2370 Mcy

Mrx

Mry1

Mry2

   300x100x46 Mcx

      Pz = Agpy = 2000 Mcy

Mrx

Mry1

Mry2

   300x90x41 Mcx

      Pz = Agpy = 1870 Mcy

Mrx

Mry1

Mry2

   260x90x35 Mcx

      Pz = Agpy = 1580 Mcy

Mrx

Mry1

Mry2

   260x75x28 Mcx

      Pz = Agpy = 1250 Mcy

Mrx

Mry1

Mry2

   230x90x32 Mcx

      Pz = Agpy = 1460 Mcy

Mrx

Mry1

Mry2

   230x75x26 Mcx

      Pz = Agpy = 1160 Mcy

Mrx

Page 246: Steel Section Capacities BS 5950 Spreadsheet

14.8 14.8 14.8 14.8 14.8 14.8 14.8 14.7 10.6 5.66

14.8 14.8 14.8 14.8 14.5 12.3 10 7.64 5.17 2.63

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

PARALLEL FLANGE CHANNELS SUBJECT <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and for

Axial load Capacity Semi-Compact

Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

103 103 103 103 103 103 103 103 103 103

n/a 22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7

1 103 101 96 86.9 75.6 63.7 51.6 39.1 26.3 13.3

22.7 22.7 22.7 22.7 22.7 22.7 22.7 19.6 14 7.46

22.7 22.7 22.7 22.7 22.7 19.4 15.8 12 8.14 4.13

80.6 80.6 80.6 80.6 80.6 80.6 80.6 80.6 80.6 80.6

n/a 14.4 14.4 14.4 14.4 14.4 14.4 14.4 14.4 14.4 14.4

1 80.6 79.3 75.3 68.7 59.9 50.4 40.8 30.9 20.8 10.5

14.4 14.4 14.4 14.4 14.4 14.4 14.4 13.1 9.39 5.01

14.4 14.4 14.4 14.4 14.4 12.2 9.89 7.54 5.11 2.59

82.4 82.4 82.4 82.4 82.4 82.4 82.4 82.4 82.4 82.4

n/a 20.2 20.2 20.2 20.2 20.2 20.2 20.2 20.2 20.2 20.2

1 82.4 80.9 76.3 68.8 59.7 50.3 40.7 30.8 20.8 10.5

20.2 20.2 20.2 20.2 20.2 20.2 20.2 17.1 12.2 6.48

20.2 20.2 20.2 20.2 20.2 17.3 14.1 10.7 7.25 3.68

62.5 62.5 62.5 62.5 62.5 62.5 62.5 62.5 62.5 62.5

n/a 12.3 12.3 12.3 12.3 12.3 12.3 12.3 12.3 12.3 12.3

1 62.5 61.5 58.5 53.5 46.8 39.4 31.8 24.1 16.2 8.2

12.3 12.3 12.3 12.3 12.3 12.3 12.3 11.5 8.23 4.4

12.3 12.3 12.3 12.3 12.1 10.3 8.33 6.35 4.3 2.18

63.5 63.5 63.5 63.5 63.5 63.5 63.5 63.5 63.5 63.5

n/a 18.9 18.9 18.9 18.9 18.9 18.9 18.9 18.9 18.9 18.9

1 63.5 62.3 58.5 52.2 45.3 38.2 30.9 23.5 15.8 8

18.9 18.9 18.9 18.9 18.9 18.9 18.9 15.4 10.9 5.81

18.9 18.9 18.9 18.9 18.9 16.4 13.4 10.2 6.9 3.51

46.9 46.9 46.9 46.9 46.9 46.9 46.9 46.9 46.9 46.9

n/a 11.3 11.3 11.3 11.3 11.3 11.3 11.3 11.3 11.3 11.3

1 46.9 46 43.5 39.3 34.2 28.8 23.3 17.7 11.9 6.01

11.3 11.3 11.3 11.3 11.3 11.3 11.3 9.87 7.04 3.75

11.3 11.3 11.3 11.3 11.3 9.67 7.86 5.99 4.05 2.06

31.9 31.9 31.9 31.9 31.9 31.9 31.9 31.9 31.9 31.9

n/a 8.01 8.01 8.01 8.01 8.01 8.01 8.01 8.01 8.01 8.01

1 31.9 31.3 29.6 26.8 23.3 19.6 15.9 12.1 8.15 4.12

8.01 8.01 8.01 8.01 8.01 8.01 8.01 7.02 5.01 2.67

8.01 8.01 8.01 8.01 8.01 6.88 5.61 4.28 2.9 1.48

Mry1

Mry2

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz (kN) F/Pz

   200x90x30 Mcx

      Pz = Agpy = 1350 Mcy

Mrx

Mry1

Mry2

   200x75x23 Mcx

      Pz = Agpy = 1060 Mcy

Mrx

Mry1

Mry2

   180x90x26 Mcx

      Pz = Agpy = 1180 Mcy

Mrx

Mry1

Mry2

   180x75x20 Mcx

      Pz = Agpy = 919 Mcy

Mrx

Mry1

Mry2

   150x90x24 Mcx

      Pz = Agpy = 1080 Mcy

Mrx

Mry1

Mry2

   150x75x18 Mcx

      Pz = Agpy = 809 Mcy

Mrx

Mry1

Mry2

   125x65x15 # Mcx

      Pz = Agpy = 667 Mcy

Mrx

Mry1

Mry2

Page 247: Steel Section Capacities BS 5950 Spreadsheet

17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.4

n/a 4.21 4.21 4.21 4.21 4.21 4.21 4.21 4.21 4.21 4.21

1 17.4 17.1 16.2 14.7 12.8 10.8 8.75 6.65 4.5 2.28

4.21 4.21 4.21 4.21 4.21 4.21 4.21 3.73 2.67 1.42

4.21 4.21 4.21 4.21 4.21 3.62 2.95 2.26 1.54 0.783

   100x50x10 # Mcx

      Pz = Agpy = 462 Mcy

Mrx

Mry1

Mry2

Page 248: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

PARALLEL FLANGE CHANNELS SUBJECT <>TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

for and Limit for

Capacities

1 (kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8

422 1 2830 2830 2830 2830 2780 2730 2680 2580 2470 2350 2220

40.5 2520 2190 1810 1430 1120 888 713 484 348 262 204

0 1 422 373 323 276 236 205 180 144 120 103 90.3

0 422 422 411 380 347 312 277 214 165 130 104

0

322 1 2370 2370 2370 2350 2300 2260 2210 2110 2010 1890 1770

36.9 2130 1860 1550 1240 981 779 628 427 308 232 181

0 1 322 287 250 215 185 161 142 114 95.4 82.1 72.2

0 322 322 316 294 269 244 218 170 132 104 83.4

0

221 1 2000 2000 1980 1940 1890 1840 1780 1670 1550 1420 1280

33.8 1810 1590 1330 1080 855 681 550 375 271 204 159

0 1 221 200 177 155 137 121 109 89.6 76.1 66.3 58.7

0 221 221 219 203 187 170 153 120 93.7 74 59.5

0

202 1 1870 1870 1850 1800 1760 1710 1660 1550 1430 1300 1170

26.9 1630 1390 1110 854 657 513 409 276 198 148 115

0 1 198 173 149 127 110 96.2 85.3 69.4 58.6 50.8 44.8

0 202 202 192 175 157 139 122 91.7 69.7 54.2 43.1

0

151 1 1580 1580 1540 1490 1450 1400 1350 1240 1120 990 865

24 1380 1180 951 737 569 445 356 240 172 129 100

0 1 149 131 113 97.7 84.9 74.7 66.5 54.4 46.1 40.1 35.5

0 151 151 144 132 119 106 92.9 70.3 53.6 41.8 33.3

0

116 1 1250 1250 1210 1180 1140 1100 1060 970 871 769 669

14.7 1030 811 597 435 324 249 196 131 93 69.5 53.8

0 1 108 90.1 73.8 60.9 51.4 44.3 38.9 31.3 26.3 22.7 20

0 116 114 103 90.7 78.1 66.2 55.7 40 29.7 22.7 17.9

0

126 1 1460 1450 1400 1360 1310 1260 1200 1080 954 824 705

23.4 1280 1100 890 693 537 421 337 227 163 122 95.2

0 1 125 110 96.9 84.9 74.8 66.5 59.7 49.5 42.3 36.9 32.8

0 126 126 121 111 101 89.6 78.8 59.9 45.8 35.7 28.5

0

98.7 1 1160 1150 1120 1080 1040 998 954 858 754 650 554

14.8 963 769 572 419 313 241 190 127 90.2 67.4 52.3

0 1 92.3 78.1 65.3 55.1 47.2 41.2 36.5 29.8 25.2 21.9 19.4

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

   430x100x64 Pcx

      Pz = Agpy = 2830 Pcy

      pyZx = 352 Mb

      pyZy = 33.8 Mbs

   380x100x54 Pcx

      Pz = Agpy = 2370 Pcy

      pyZx = 273 Mb

      pyZy = 30.8 Mbs

   300x100x46 Pcx

      Pz = Agpy = 2000 Pcy

      pyZx = 189 Mb

      pyZy = 28.2 Mbs

   300x90x41 Pcx

      Pz = Agpy = 1870 Pcy

      pyZx = 171 Mb

      pyZy = 22.4 Mbs

   260x90x35 Pcx

      Pz = Agpy = 1580 Pcy

      pyZx = 129 Mb

      pyZy = 20.0 Mbs

   260x75x28 Pcx

      Pz = Agpy = 1250 Pcy

      pyZx = 98.7 Mb

      pyZy = 12.2 Mbs

   230x90x32 Pcx

      Pz = Agpy = 1460 Pcy

      pyZx = 109 Mb

      pyZy = 19.5 Mbs

   230x75x26 Pcx

      Pz = Agpy = 1160 Pcy

      pyZx = 84.8 Mb

Page 249: Steel Section Capacities BS 5950 Spreadsheet

0 98.7 97.3 88.1 78 67.6 57.5 48.6 35.1 26.1 20 15.8

0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993

PARALLEL FLANGE CHANNELS SUBJECT <>TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Limit for

Capacities

1 (kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8

103 1 1350 1320 1270 1220 1170 1110 1050 920 783 656 548

22.7 1190 1020 828 646 501 394 315 213 153 115 89.2

0 1 103 91.9 81.9 73 65.3 58.9 53.4 45 38.8 34.1 30.5

0 103 103 99.4 91.4 82.8 73.9 65.1 49.6 37.9 29.6 23.6

0

80.6 1 1060 1040 1000 963 921 876 828 723 614 514 428

14.4 886 713 534 393 294 227 179 120 85.1 63.6 49.4

0 1 76.1 65.4 55.8 48 41.7 36.9 33 27.2 23.2 20.3 18

0 80.6 79.8 72.4 64.4 56 47.9 40.6 29.4 21.9 16.8 13.3

0

82.4 1 1180 1140 1100 1050 995 937 876 744 616 505 415

20.2 1040 896 728 569 441 347 277 188 135 101 78.6

0 1 82.2 73.6 65.7 58.7 52.6 47.5 43.2 36.4 31.5 27.7 24.7

0 82.4 82.4 79.3 73 66.2 59.1 52.1 39.7 30.4 23.8 19

0

62.5 1 919 890 853 814 771 725 676 571 470 384 315

12.3 766 615 460 338 253 195 154 103 73.2 54.7 42.4

0 1 59 50.7 43.2 37 32.2 28.4 25.3 20.9 17.8 15.5 13.8

0 62.5 61.8 56.1 49.8 43.3 36.9 31.3 22.7 16.9 12.9 10.2

0

63.5 1 1070 1020 969 911 848 779 707 565 446 353 284

18.9 954 820 667 521 404 317 254 172 123 92.6 72

0 1 63.5 58.1 52.8 48.1 44 40.3 37.1 31.9 27.9 24.8 22.2

0 63.5 63.5 61.2 56.3 51 45.6 40.2 30.6 23.5 18.3 14.6

0

46.9 1 804 766 726 682 635 583 528 422 332 263 212

11.3 677 545 409 302 226 174 138 91.8 65.4 48.9 37.9

0 1 44.7 39 34 29.7 26.2 23.4 21.1 17.6 15.1 13.3 11.8

0 46.9 46.4 42.2 37.6 32.7 28 23.8 17.2 12.8 9.85 7.78

0

31.9 1 650 611 568 521 468 413 360 269 204 158 125

8.01 524 392 276 196 144 110 86.2 57 40.4 30.2 23.3

0 1 29.6 25.8 22.5 19.8 17.6 15.8 14.3 12 10.4 9.13 8.15

0 31.9 30.2 26.7 22.8 19.1 15.8 13 9.17 6.73 5.12 4.03

0

      pyZy = 12.4 Mbs

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/Pz

Le (m)

   200x90x30 Pcx

      Pz = Agpy = 1350 Pcy

      pyZx = 89.5 Mb

      pyZy = 19.0 Mbs

   200x75x23 Pcx

      Pz = Agpy = 1060 Pcy

      pyZx = 69.6 Mb

      pyZy = 12.0 Mbs

   180x90x26 Pcx

      Pz = Agpy = 1180 Pcy

      pyZx = 71.7 Mb

      pyZy = 16.8 Mbs

   180x75x20 Pcx

      Pz = Agpy = 919 Pcy

      pyZx = 54.0 Mb

      pyZy = 10.2 Mbs

   150x90x24 Pcx

      Pz = Agpy = 1080 Pcy

      pyZx = 55.0 Mb

      pyZy = 15.8 Mbs

   150x75x18 Pcx

      Pz = Agpy = 809 Pcy

      pyZx = 40.8 Mb

      pyZy = 9.44 Mbs

   125x65x15 # Pcx

      Pz = Agpy = 667 Pcy

      pyZx = 27.4 Mb

      pyZy = 6.67 Mbs

Page 250: Steel Section Capacities BS 5950 Spreadsheet

17.4 1 435 399 358 311 263 219 183 129 94.6 71.9 56.4

4.21 308 197 126 86.1 62.1 46.7 36.4 23.9 16.9 12.5 9.67

0 1 15 12.8 11 9.61 8.48 7.58 6.84 5.73 4.92 4.32 3.85

0 17.1 14.7 12 9.41 7.34 5.79 4.65 3.16 2.28 1.72 1.34

0

   100x50x10 # Pcx

      Pz = Agpy = 462 Pcy

      pyZx = 14.7 Mb

      pyZy = 3.51 Mbs

Page 251: Steel Section Capacities BS 5950 Spreadsheet

for

9 10

2090 1950

163 134

80.5 72.8

84.8 70.4

1640 1510

145 118

64.5 58.3

68.2 56.7

1140 1020

127 104

52.8 47.9

48.7 40.5

1040 917

92.1 75.3

40.2 36.4

35.1 29

751 651

80.3 65.6

31.8 28.9

27.1 22.4

579 500

43 35.1

17.9 16.2

14.5 11.9

601 514

76.1 62.3

29.5 26.9

23.2 19.2

472 403

41.7 34

17.4 15.8

(kN) and Buckling Resistance Moment Mb, Mbs (kNm)

(m) within the limiting value of F/Pz

Page 252: Steel Section Capacities BS 5950 Spreadsheet

12.8 10.5

for

9 10

459 388

71.3 58.3

27.5 25.1

19.2 16

359 303

39.4 32.2

16.2 14.7

10.7 8.87

344 289

62.9 51.4

22.3 20.4

15.4 12.8

261 219

33.8 27.6

12.4 11.2

8.27 6.82

233 193

57.6 47.1

20.2 18.5

11.9 9.87

173 144

30.3 24.7

10.7 9.71

6.3 5.2

101 83.7

18.6 15.2

7.36 6.71

3.24 2.67

(kN) and Buckling Resistance Moment Mb, Mbs (kNm)

(m) within the limiting value of F/Pz

Page 253: Steel Section Capacities BS 5950 Spreadsheet

45.4 37.3

7.69 6.26

3.47 3.16

1.08 0.882

Page 254: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGJIS G3136

HOT-FINISHED <>JUMBO SQUARE HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

CAPACITIES FOR S235

Section Mass Axial load

per Capacity for

D t Metre Semi-Compact

mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6

350x350 190 5690 - 697 697 697 697 697 697 697

1 697 688 661 616 552 472 381

217 6490 - 779 779 779 779 779 779 779

1 779 775 745 694 623 533 432

242 7260 - 852 852 852 852 852 852 852

1 852 852 823 767 689 592 481

400x400 251 7520 - 1050 1050 1050 1050 1050 1050 1050

1 1050 1040 997 929 833 712 576

282 8440 - 1160 1160 1160 1160 1160 1160 1160

1 1160 1150 1110 1030 925 793 643

450x450 162 4860 - 792 792 792 792 792 792 792

1 792 782 750 698 624 533 429

213 6370 - 1030 1030 1030 1030 1030 1030 1030

1 1030 1010 974 907 813 692 557

250 7470 - 1200 1200 1200 1200 1200 1200 1200

1 1200 1180 1130 1060 946 806 651

286 8550 - 1360 1360 1360 1360 1360 1360 1360

1 1360 1340 1290 1200 1070 917 741

321 9610 - 1510 1510 1510 1510 1510 1510 1510

1 1510 1490 1430 1330 1200 1020 828

355 10600 - 1640 1640 1640 1640 1640 1640 1640

1 1640 1630 1570 1460 1310 1120 910

399 12000 - 1810 1810 1810 1810 1810 1810 1810

1 1810 1810 1740 1630 1460 1250 1020

500x500 181 5430 1 916 916 916 916 916 916 916

0 - - - - - - -

238 7120 - 1280 1280 1280 1280 1280 1280 1280

1 1280 1270 1220 1130 1010 862 694

280 8370 - 1500 1500 1500 1500 1500 1500 1500

1 1500 1480 1420 1320 1180 1010 812

320 9590 - 1700 1700 1700 1700 1700 1700 1700

1 1700 1680 1610 1500 1350 1150 926

360 10800 - 1900 1900 1900 1900 1900 1900 1900

1 1900 1870 1800 1670 1500 1280 1040

399 11900 - 2090 2090 2090 2090 2090 2090 2090

1 2090 2060 1980 1840 1650 1410 1140

450 13500 - 2300 2300 2300 2300 2300 2300 2300

1 2300 2290 2200 2050 1840 1580 1280

F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P

F/Pz

   19.0 Mc

Mr

   22.0 Mc

Mr

   25.0 Mc

Mr

   22.0 Mc

Mr

   25.0 Mc

Mr

   12.0 Mc

Mr

   16.0 Mc

Mr

   19.0 Mc

Mr

   22.0 Mc

Mr

   25.0 Mc

Mr

   28.0 Mc

Mr

   32.0 Mc

Mr

   12.0 Mc

Mr

   16.0 Mc

Mr

   19.0 Mc

Mr

   22.0 Mc

Mr

   25.0 Mc

Mr

   28.0 Mc

Mr

   32.0 Mc

Mr

Page 255: Steel Section Capacities BS 5950 Spreadsheet

498 14900 - 2500 2500 2500 2500 2500 2500 2500

1 2500 2500 2420 2250 2020 1740 1410

550x550 263 7870 - 1570 1570 1570 1570 1570 1570 1570

1 1570 1550 1480 1380 1240 1050 846

309 9260 - 1830 1830 1830 1830 1830 1830 1830

1 1830 1810 1730 1610 1450 1230 991

355 10600 - 2080 2080 2080 2080 2080 2080 2080

1 2080 2060 1970 1840 1650 1400 1130

399 12000 - 2330 2330 2330 2330 2330 2330 2330

1 2330 2300 2210 2050 1840 1570 1270

443 13300 - 2560 2560 2560 2560 2560 2560 2560

1 2560 2530 2430 2260 2030 1730 1400

500 15000 - 2860 2860 2860 2860 2860 2860 2860

1 2860 2830 2720 2530 2270 1940 1570

555 16600 - 3110 3110 3110 3110 3110 3110 3110

1 3110 3110 2980 2780 2490 2140 1740

608 18200 - 3350 3350 3350 3350 3350 3350 3350

1 3350 3350 3240 3020 2710 2330 1890

600x600 439 13100 - 2800 2800 2800 2800 2800 2800 2800

1 2800 2770 2660 2470 2220 1890 1530

487 14600 - 3090 3090 3090 3090 3090 3090 3090

1 3090 3050 2930 2730 2450 2090 1690

550 16500 - 3460 3460 3460 3460 3460 3460 3460

1 3460 3420 3280 3060 2740 2340 1900

611 18300 - 3800 3800 3800 3800 3800 3800 3800

1 3800 3760 3610 3370 3020 2590 2100

671 20100 - 4090 4090 4090 4090 4090 4090 4090

1 4090 4090 3930 3660 3290 2820 2290

743 20400 - 4060 4060 4060 4060 4060 4060 4060

1 4060 4060 3940 3670 3300 2840 2300

813 22300 - 4340 4340 4340 4340 4340 4340 4340

1 4340 4340 4260 3970 3570 3080 2510

650x650 478 14300 - 3320 3320 3320 3320 3320 3320 3320

1 3320 3280 3150 2930 2630 2240 1800

531 15900 - 3670 3670 3670 3670 3670 3670 3670

1 3670 3620 3480 3240 2900 2470 2000

600 18000 - 4110 4110 4110 4110 4110 4110 4110

1 4110 4060 3900 3630 3260 2780 2250

668 20000 - 4540 4540 4540 4540 4540 4540 4540

1 4540 4480 4300 4010 3590 3080 2490

734 22000 - 4920 4920 4920 4920 4920 4920 4920

1 4920 4880 4690 4370 3920 3360 2720

814 22300 - 4890 4890 4890 4890 4890 4890 4890

1 4890 4890 4710 4390 3940 3380 2750

891 24400 - 5250 5250 5250 5250 5250 5250 5250

1 5250 5250 5100 4760 4270 3680 2990

700x700 517 15500 - 3890 3890 3890 3890 3890 3890 3890

1 3890 3840 3680 3430 3070 2620 2110

575 17200 - 4300 4300 4300 4300 4300 4300 4300

1 4300 4240 4070 3790 3400 2890 2330

651 19500 - 4820 4820 4820 4820 4820 4820 4820

1 4820 4760 4570 4260 3820 3260 2630

724 21700 - 5330 5330 5330 5330 5330 5330 5330

1 5330 5260 5050 4710 4220 3610 2920

   36.0 Mc

Mr

   16.0 Mc

Mr

   19.0 Mc

Mr

   22.0 Mc

Mr

   25.0 Mc

Mr

   28.0 Mc

Mr

   32.0 Mc

Mr

   36.0 Mc

Mr

   40.0 Mc

Mr

   25.0 Mc

Mr

   28.0 Mc

Mr

   32.0 Mc

Mr

   36.0 Mc

Mr

   40.0 Mc

Mr

   45.0 Mc

Mr

   50.0 Mc

Mr

   25.0 Mc

Mr

   28.0 Mc

Mr

   32.0 Mc

Mr

   36.0 Mc

Mr

   40.0 Mc

Mr

   45.0 Mc

Mr

   50.0 Mc

Mr

   25.0 Mc

Mr

   28.0 Mc

Mr

   32.0 Mc

Mr

   36.0 Mc

Mr

Page 256: Steel Section Capacities BS 5950 Spreadsheet

797 23900 - 5810 5810 5810 5810 5810 5810 5810

1 5810 5740 5520 5140 4610 3940 3190

885 24200 - 5800 5800 5800 5800 5800 5800 5800

1 5800 5780 5550 5170 4640 3980 3230

970 26600 - 6240 6240 6240 6240 6240 6240 6240

1 6240 6240 6030 5620 5040 4330 3520

750x750 556 16700 - 4490 4490 4490 4490 4490 4490 4490

1 4490 4430 4260 3960 3550 3020 2430

619 18500 - 4970 4970 4970 4970 4970 4970 4970

1 4970 4910 4710 4390 3930 3350 2700

701 21000 - 5590 5590 5590 5590 5590 5590 5590

1 5590 5520 5300 4930 4420 3770 3040

781 23400 - 6190 6190 6190 6190 6190 6190 6190

1 6190 6100 5860 5460 4890 4180 3380

859 25700 - 6760 6760 6760 6760 6760 6760 6760

1 6760 6670 6410 5970 5350 4580 3700

955 26200 - 6780 6780 6780 6780 6780 6780 6780

1 6780 6720 6460 6020 5400 4620 3740

1048 28700 - 7310 7310 7310 7310 7310 7310 7310

1 7310 7310 7030 6550 5870 5040 4090

800x800 596 17800 - 5150 5150 5150 5150 5150 5150 5150

1 5150 5080 4880 4540 4060 3460 2780

663 19800 - 5700 5700 5700 5700 5700 5700 5700

1 5700 5620 5400 5030 4500 3830 3090

751 22500 - 6410 6410 6410 6410 6410 6410 6410

1 6410 6330 6080 5660 5070 4320 3490

837 25100 - 7100 7100 7100 7100 7100 7100 7100

1 7100 7010 6730 6270 5620 4800 3870

922 27600 - 7770 7770 7770 7770 7770 7770 7770

1 7770 7670 7370 6860 6150 5260 4250

1026 28100 - 7840 7840 7840 7840 7840 7840 7840

1 7840 7740 7440 6930 6210 5320 4300

1127 30900 - 8480 8480 8480 8480 8480 8480 8480

1 8480 8430 8100 7550 6770 5810 4700

   40.0 Mc

Mr

   45.0 Mc

Mr

   50.0 Mc

Mr

   25.0 Mc

Mr

   28.0 Mc

Mr

   32.0 Mc

Mr

   36.0 Mc

Mr

   40.0 Mc

Mr

   45.0 Mc

Mr

   50.0 Mc

Mr

   25.0 Mc

Mr

   28.0 Mc

Mr

   32.0 Mc

Mr

   36.0 Mc

Mr

   40.0 Mc

Mr

   45.0 Mc

Mr

   50.0 Mc

Mr

Page 257: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGJIS G3136

HOT-FINISHEDJUMBO SQUARE HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S235

Section Designation

and Capacities Limit

D t

0.7 0.8 0.9 1 mm mm 2 3 4 5 6 7

697 697 697 697 350x350 1 5690 5640 5550 5450 5330 5190

289 195 98.5 0

779 779 779 779 1 6490 6430 6320 6200 6070 5910

328 222 112 0

852 852 852 852 1 7260 7190 7070 6940 6780 6600

366 247 125 0

1050 1050 1050 1050 400x400 1 7520 7500 7400 7290 7160 7030

437 294 149 0

1160 1160 1160 1160 1 8440 8410 8290 8170 8020 7870

488 329 167 0

792 792 792 792 450x450 1 4860 4860 4820 4760 4700 4630

323 217 109 0

1030 1030 1030 1030 1 6370 6370 6310 6230 6150 6060

421 283 142 0

1200 1200 1200 1200 1 7470 7470 7410 7310 7210 7100

492 331 167 0

1360 1360 1360 1360 1 8550 8550 8470 8360 8250 8120

561 378 191 0

1510 1510 1510 1510 1 9610 9610 9520 9390 9260 9120

628 423 214 0

1640 1640 1640 1640 1 10600 10600 10500 10400 10200 10100

691 467 236 0

1810 1810 1810 1810 1 12000 12000 11800 11700 11500 11300

775 524 265 0

916 916 916 916 500x500 1 5430 5430 5410 5350 5290 5220

- - - -

1280 1280 1280 1280 1 7120 7120 7090 7020 6930 6850

524 352 177 0

1500 1500 1500 1500 1 8370 8370 8330 8240 8140 8040

614 412 208 0

1700 1700 1700 1700 1 9590 9590 9550 9440 9330 9210

701 471 238 0

1900 1900 1900 1900 1 10800 10800 10700 10600 10500 10400

786 529 267 0

2090 2090 2090 2090 1 11900 11900 11900 11700 11600 11500

866 584 295 0

2300 2300 2300 2300 1 13500 13500 13400 13200 13100 12900

973 657 333 0

(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance P

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths LE

   19.0

pyZ = 582

   22.0

pyZ = 649

   25.0

pyZ = 710

   22.0

pyZ = 878

   25.0

pyZ = 965

   12.0

pyZ = 683

   16.0

pyZ = 878

   19.0

pyZ = 1010

   22.0

pyZ = 1140

   25.0

pyZ = 1260

   28.0

pyZ = 1370

   32.0

pyZ = 1500

   12.0

pyZ = 853

   16.0

pyZ = 1100

   19.0

pyZ = 1270

   22.0

pyZ = 1440

   25.0

pyZ = 1590

   28.0

pyZ = 1740

   32.0

pyZ = 1920

Page 258: Steel Section Capacities BS 5950 Spreadsheet

2500 2500 2500 2500 1 14900 14900 14800 14700 14500 14300

1070 726 368 0

1570 1570 1570 1570 550x550 1 7870 7870 7870 7800 7720 7640

638 428 215 0

1830 1830 1830 1830 1 9260 9260 9260 9170 9070 8970

748 502 253 0

2080 2080 2080 2080 1 10600 10600 10600 10500 10400 10300

856 575 290 0

2330 2330 2330 2330 1 12000 12000 12000 11800 11700 11600

961 646 326 0

2560 2560 2560 2560 1 13300 13300 13200 13100 13000 12800

1060 715 361 0

2860 2860 2860 2860 1 15000 15000 15000 14800 14600 14500

1190 805 407 0

3110 3110 3110 3110 1 16600 16600 16600 16400 16200 16100

1320 891 451 0

3350 3350 3350 3350 1 18200 18200 18200 18000 17800 17600

1440 974 494 0

2800 2800 2800 2800 600x600 1 13100 13100 13100 13100 12900 12800

1150 775 391 0

3090 3090 3090 3090 1 14600 14600 14600 14500 14300 14200

1280 858 433 0

3460 3460 3460 3460 1 16500 16500 16500 16400 16200 16000

1440 968 489 0

3800 3800 3800 3800 1 18300 18300 18300 18200 18000 17800

1590 1070 543 0

4090 4090 4090 4090 1 20100 20100 20100 19900 19700 19500

1740 1170 595 0

4060 4060 4060 4060 1 20400 20400 20400 20200 20000 19800

1750 1190 602 0

4340 4340 4340 4340 1 22300 22300 22300 22100 21900 21700

1910 1290 658 0

3320 3320 3320 3320 650x650 1 14300 14300 14300 14300 14200 14000

1360 916 462 0

3670 3670 3670 3670 1 15900 15900 15900 15800 15700 15600

1510 1020 512 0

4110 4110 4110 4110 1 18000 18000 18000 17900 17800 17600

1700 1150 579 0

4540 4540 4540 4540 1 20000 20000 20000 19900 19800 19600

1890 1270 643 0

4920 4920 4920 4920 1 22000 22000 22000 21900 21700 21500

2070 1390 706 0

4890 4890 4890 4890 1 22300 22300 22300 22200 22100 21900

2090 1410 715 0

5250 5250 5250 5250 1 24400 24400 24400 24400 24100 23900

2280 1540 782 0

3890 3890 3890 3890 700x700 1 15500 15500 15500 15500 15400 15300

1590 1070 538 0

4300 4300 4300 4300 1 17200 17200 17200 17200 17100 16900

1760 1190 597 0

4820 4820 4820 4820 1 19500 19500 19500 19500 19300 19200

1990 1340 676 0

5330 5330 5330 5330 1 21700 21700 21700 21700 21500 21300

2210 1490 752 0

   36.0

pyZ = 2080

   16.0

pyZ = 1350

   19.0

pyZ = 1560

   22.0

pyZ = 1770

   25.0

pyZ = 1970

   28.0

pyZ = 2150

   32.0

pyZ = 2380

   36.0

pyZ = 2590

   40.0

pyZ = 2790

   25.0

pyZ = 2380

   28.0

pyZ = 2610

   32.0

pyZ = 2890

   36.0

pyZ = 3160

   40.0

pyZ = 3410

   45.0

pyZ = 3380

   50.0

pyZ = 3620

   25.0

pyZ = 2830

   28.0

pyZ = 3100

   32.0

pyZ = 3460

   36.0

pyZ = 3790

   40.0

pyZ = 4100

   45.0

pyZ = 4070

   50.0

pyZ = 4370

   25.0

pyZ = 3320

   28.0

pyZ = 3650

   32.0

pyZ = 4070

   36.0

pyZ = 4470

Page 259: Steel Section Capacities BS 5950 Spreadsheet

5810 5810 5810 5810 1 23900 23900 23900 23800 23700 23500

2420 1630 826 0

5800 5800 5800 5800 1 24200 24200 24200 24200 24100 23900

2450 1650 838 0

6240 6240 6240 6240 1 26600 26600 26600 26600 26400 26200

2680 1810 917 0

4490 4490 4490 4490 750x750 1 16700 16700 16700 16700 16600 16500

1840 1230 621 0

4970 4970 4970 4970 1 18500 18500 18500 18500 18400 18300

2040 1370 689 0

5590 5590 5590 5590 1 21000 21000 21000 21000 20900 20700

2300 1550 780 0

6190 6190 6190 6190 1 23400 23400 23400 23400 23300 23100

2560 1720 869 0

6760 6760 6760 6760 1 25700 25700 25700 25700 25600 25400

2810 1890 955 0

6780 6780 6780 6780 1 26200 26200 26200 26200 26100 25900

2840 1920 970 0

7310 7310 7310 7310 1 28700 28700 28700 28700 28600 28400

3110 2100 1060 0

5150 5150 5150 5150 800x800 1 17800 17800 17800 17800 17800 17700

2100 1410 709 0

5700 5700 5700 5700 1 19800 19800 19800 19800 19800 19700

2330 1570 788 0

6410 6410 6410 6410 1 22500 22500 22500 22500 22500 22300

2640 1770 893 0

7100 7100 7100 7100 1 25100 25100 25100 25100 25000 24900

2930 1970 994 0

7770 7770 7770 7770 1 27600 27600 27600 27600 27600 27400

3220 2170 1090 0

7840 7840 7840 7840 1 28100 28100 28100 28100 28100 27900

3260 2200 1110 0

8480 8480 8480 8480 1 30900 30900 30900 30900 30800 30600

3570 2410 1220 0

   40.0

pyZ = 4840

   45.0

pyZ = 4830

   50.0

pyZ = 5200

   25.0

pyZ = 3850

   28.0

pyZ = 4240

   32.0

pyZ = 4730

   36.0

pyZ = 5210

   40.0

pyZ = 5650

   45.0

pyZ = 5650

   50.0

pyZ = 6100

   25.0

pyZ = 4420

   28.0

pyZ = 4870

   32.0

pyZ = 5450

   36.0

pyZ = 6000

   40.0

pyZ = 6520

   45.0

pyZ = 6540

   50.0

pyZ = 7060

Page 260: Steel Section Capacities BS 5950 Spreadsheet

AXIAL LOAD & BENDING

HOT-FINISHED <>JUMBO SQUARE HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S235

for

8 9 10 11 12 13 14

5030 4840 4600 4330 4020 3690 3370

5720 5480 5210 4880 4520 4140 3760

6380 6120 5800 5430 5020 4590 4170

6870 6680 6460 6210 5910 5570 5200

7680 7470 7220 6920 6570 6180 5760

4560 4470 4370 4260 4130 3980 3810

5960 5840 5710 5560 5390 5180 4960

6980 6850 6690 6510 6300 6060 5790

7980 7820 7640 7430 7180 6900 6580

8960 8780 8570 8330 8050 7720 7360

9880 9680 9440 9160 8850 8480 8060

11100 10900 10600 10300 9900 9480 9000

5150 5080 4990 4890 4780 4660 4520

6750 6650 6530 6400 6260 6090 5900

7930 7810 7670 7510 7340 7140 6910

9080 8940 8780 8600 8400 8160 7900

10200 10000 9860 9650 9420 9150 8840

11300 11100 10900 10700 10400 10100 9760

12700 12500 12300 12000 11700 11300 10900

Compression Resistance Pc (kN)

Varying effective lengths LE (m) within the limiting value of F/Pz

Page 261: Steel Section Capacities BS 5950 Spreadsheet

14100 13800 13600 13300 12900 12500 12100

7550 7450 7350 7230 7100 6960 6800

8870 8750 8630 8490 8340 8160 7970

10200 10000 9890 9730 9550 9350 9130

11400 11300 11100 11000 10700 10500 10300

12700 12500 12300 12100 11900 11600 11300

14300 14100 13900 13700 13400 13100 12700

15900 15600 15400 15100 14800 14500 14100

17400 17100 16800 16500 16200 15800 15400

12700 12500 12400 12200 12000 11800 11600

14100 13900 13700 13500 13300 13100 12900

15900 15700 15500 15300 15100 14800 14500

17600 17400 17200 17000 16700 16400 16100

19300 19100 18900 18600 18300 18000 17600

19600 19400 19100 18900 18600 18300 17900

21400 21200 20900 20600 20300 19900 19500

13900 13800 13600 13500 13300 13100 12900

15400 15300 15100 14900 14800 14500 14300

17400 17300 17100 16900 16700 16400 16200

19400 19200 19000 18800 18500 18300 18000

21300 21100 20800 20600 20300 20000 19700

21600 21400 21200 20900 20700 20400 20100

23700 23400 23200 22900 22600 22300 21900

15100 15000 14900 14700 14600 14400 14200

16800 16700 16500 16300 16200 16000 15800

19000 18800 18700 18500 18300 18100 17800

21200 21000 20800 20600 20300 20100 19800

Page 262: Steel Section Capacities BS 5950 Spreadsheet

23300 23100 22800 22600 22300 22100 21800

23700 23400 23200 23000 22700 22500 22200

25900 25700 25500 25200 24900 24600 24300

16400 16200 16100 15900 15800 15600 15500

18200 18000 17900 17700 17600 17400 17200

20600 20400 20200 20100 19900 19700 19500

22900 22700 22500 22300 22100 21900 21700

25200 25000 24800 24600 24300 24100 23800

25700 25500 25300 25000 24800 24500 24300

28200 27900 27700 27500 27200 26900 26600

17600 17500 17300 17200 17000 16900 16700

19500 19400 19300 19100 18900 18800 18600

22100 22000 21800 21600 21500 21300 21100

24700 24500 24300 24100 23900 23700 23500

27200 27000 26800 26500 26300 26100 25800

27700 27500 27300 27100 26800 26600 26300

30400 30200 30000 29700 29500 29200 28900

Page 263: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGJIS G3136

HOT-FINISHED <>JUMBO SQUARE HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre Semi-Compact

mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6

350x350 190 7870 - 964 964 964 964 964 964 964

1 964 952 914 852 764 652 528

217 8970 - 1080 1080 1080 1080 1080 1080 1080

1 1080 1070 1030 960 861 738 598

242 10000 - 1180 1180 1180 1180 1180 1180 1180

1 1180 1180 1140 1060 953 819 665

400x400 251 10400 - 1450 1450 1450 1450 1450 1450 1450

1 1450 1440 1380 1280 1150 985 797

282 11700 - 1600 1600 1600 1600 1600 1600 1600

1 1600 1590 1530 1430 1280 1100 889

450x450 162 6730 1 985 985 985 985 985 985 985

0 - - - - - - -

213 8810 - 1420 1420 1420 1420 1420 1420 1420

1 1420 1400 1350 1250 1120 956 771

250 10300 - 1650 1650 1650 1650 1650 1650 1650

1 1650 1630 1570 1460 1310 1120 900

286 11800 - 1880 1880 1880 1880 1880 1880 1880

1 1880 1850 1780 1660 1490 1270 1020

321 13300 - 2090 2090 2090 2090 2090 2090 2090

1 2090 2060 1980 1840 1650 1420 1150

355 14700 - 2270 2270 2270 2270 2270 2270 2270

1 2270 2260 2170 2020 1820 1550 1260

399 16500 - 2500 2500 2500 2500 2500 2500 2500

1 2500 2500 2410 2250 2020 1740 1410

500x500 181 7510*

1150 1150 1150 1150 1150 1150 1150

- - - - - - -

238 9850 - 1770 1770 1770 1770 1770 1770 1770

1 1770 1750 1680 1570 1400 1190 960

280 11600 - 2070 2070 2070 2070 2070 2070 2070

1 2070 2040 1960 1830 1640 1390 1120

320 13300 - 2350 2350 2350 2350 2350 2350 2350

1 2350 2320 2230 2080 1860 1590 1280

360 14900 - 2620 2620 2620 2620 2620 2620 2620

1 2620 2590 2490 2320 2080 1770 1430

399 16500 - 2880 2880 2880 2880 2880 2880 2880

1 2880 2850 2730 2550 2280 1950 1580

450 18600 - 3180 3180 3180 3180 3180 3180 3180

1 3180 3170 3050 2840 2550 2190 1770

F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P

F/Pz

   19.0 Mc

Mr

   22.0 Mc

Mr

   25.0 Mc

Mr

   22.0 Mc

Mr

   25.0 Mc

Mr

   12.0 Mc

Mr

   16.0 Mc

Mr

   19.0 Mc

Mr

   22.0 Mc

Mr

   25.0 Mc

Mr

   28.0 Mc

Mr

   32.0 Mc

Mr

   12.0 Mc

Mr

   16.0 Mc

Mr

   19.0 Mc

Mr

   22.0 Mc

Mr

   25.0 Mc

Mr

   28.0 Mc

Mr

   32.0 Mc

Mr

Page 264: Steel Section Capacities BS 5950 Spreadsheet

498 20600 - 3460 3460 3460 3460 3460 3460 3460

1 3460 3460 3340 3110 2790 2400 1950

550x550 263 10900 1 2070 2070 2070 2070 2070 2070 2070

0 - - - - - - -

309 12800 - 2530 2530 2530 2530 2530 2530 2530

1 2530 2500 2400 2230 2000 1700 1370

355 14700 - 2880 2880 2880 2880 2880 2880 2880

1 2880 2840 2730 2540 2280 1940 1570

399 16500 - 3220 3220 3220 3220 3220 3220 3220

1 3220 3180 3050 2840 2550 2170 1760

443 18300 - 3550 3550 3550 3550 3550 3550 3550

1 3550 3500 3360 3130 2810 2400 1940

500 20700 - 3950 3950 3950 3950 3950 3950 3950

1 3950 3910 3760 3500 3140 2690 2180

555 23000 - 4310 4310 4310 4310 4310 4310 4310

1 4310 4300 4130 3840 3450 2960 2400

608 25200 - 4630 4630 4630 4630 4630 4630 4630

1 4630 4630 4480 4180 3750 3220 2620

600x600 439 18200 - 3880 3880 3880 3880 3880 3880 3880

1 3880 3830 3670 3420 3060 2610 2110

487 20200 - 4280 4280 4280 4280 4280 4280 4280

1 4280 4220 4050 3780 3380 2890 2330

550 22800 - 4790 4790 4790 4790 4790 4790 4790

1 4790 4720 4540 4230 3790 3240 2620

611 25300 - 5250 5250 5250 5250 5250 5250 5250

1 5250 5200 5000 4660 4180 3580 2900

671 27800 - 5660 5660 5660 5660 5660 5660 5660

1 5660 5660 5440 5060 4550 3900 3160

743 27900 - 5570 5570 5570 5570 5570 5570 5570

1 5570 5570 5410 5040 4520 3890 3160

813 30600 - 5960 5960 5960 5960 5960 5960 5960

1 5960 5960 5840 5450 4890 4220 3440

650x650 478 19800 - 4600 4600 4600 4600 4600 4600 4600

1 4600 4540 4350 4050 3630 3100 2500

531 22000 - 5070 5070 5070 5070 5070 5070 5070

1 5070 5010 4810 4480 4010 3420 2760

600 24900 - 5690 5690 5690 5690 5690 5690 5690

1 5690 5620 5390 5020 4500 3850 3110

668 27700 - 6280 6280 6280 6280 6280 6280 6280

1 6280 6200 5950 5540 4970 4250 3440

734 30400 - 6800 6800 6800 6800 6800 6800 6800

1 6800 6750 6490 6040 5420 4650 3760

814 30600 - 6710 6710 6710 6710 6710 6710 6710

1 6710 6710 6460 6020 5400 4640 3770

891 33500 - 7200 7200 7200 7200 7200 7200 7200

1 7200 7200 7000 6530 5860 5050 4100

700x700 517 21400 - 5380 5380 5380 5380 5380 5380 5380

1 5380 5300 5090 4740 4250 3620 2910

575 23800 - 5940 5940 5940 5940 5940 5940 5940

1 5940 5860 5630 5240 4700 4000 3230

651 26900 - 6670 6670 6670 6670 6670 6670 6670

1 6670 6590 6320 5890 5280 4510 3640

724 30000 - 7370 7370 7370 7370 7370 7370 7370

1 7370 7280 6990 6510 5840 4990 4030

   36.0 Mc

Mr

   16.0 Mc

Mr

   19.0 Mc

Mr

   22.0 Mc

Mr

   25.0 Mc

Mr

   28.0 Mc

Mr

   32.0 Mc

Mr

   36.0 Mc

Mr

   40.0 Mc

Mr

   25.0 Mc

Mr

   28.0 Mc

Mr

   32.0 Mc

Mr

   36.0 Mc

Mr

   40.0 Mc

Mr

   45.0 Mc

Mr

   50.0 Mc

Mr

   25.0 Mc

Mr

   28.0 Mc

Mr

   32.0 Mc

Mr

   36.0 Mc

Mr

   40.0 Mc

Mr

   45.0 Mc

Mr

   50.0 Mc

Mr

   25.0 Mc

Mr

   28.0 Mc

Mr

   32.0 Mc

Mr

   36.0 Mc

Mr

Page 265: Steel Section Capacities BS 5950 Spreadsheet

797 33000 - 8040 8040 8040 8040 8040 8040 8040

1 8040 7940 7630 7110 6370 5460 4420

885 33200 - 7950 7950 7950 7950 7950 7950 7950

1 7950 7930 7610 7090 6360 5460 4430

970 36500 - 8560 8560 8560 8560 8560 8560 8560

1 8560 8560 8270 7710 6920 5950 4830

750x750 556 23000 - 6210 6210 6210 6210 6210 6210 6210

1 6210 6130 5890 5480 4910 4180 3370

619 25600 - 6880 6880 6880 6880 6880 6880 6880

1 6880 6790 6520 6070 5440 4630 3730

701 29000 - 7730 7730 7730 7730 7730 7730 7730

1 7730 7630 7330 6820 6110 5220 4210

781 32300 - 8550 8550 8550 8550 8550 8550 8550

1 8550 8440 8110 7550 6770 5780 4670

859 35600 - 9350 9350 9350 9350 9350 9350 9350

1 9350 9230 8860 8250 7400 6330 5120

955 35900 - 9300 9300 9300 9300 9300 9300 9300

1 9300 9220 8860 8250 7400 6340 5140

1048 39400 - 10000 10000 10000 10000 10000 10000 10000

1 10000 10000 9640 8980 8060 6920 5610

800x800 596 24700 - 7120 7120 7120 7120 7120 7120 7120

1 7120 7020 6740 6270 5620 4780 3850

663 27400 - 7880 7880 7880 7880 7880 7880 7880

1 7880 7780 7470 6950 6230 5300 4270

751 31100 - 8870 8870 8870 8870 8870 8870 8870

1 8870 8750 8400 7820 7010 5980 4820

837 34700 - 9820 9820 9820 9820 9820 9820 9820

1 9820 9700 9310 8670 7770 6630 5350

922 38200 - 10700 10700 10700 10700 10700 10700 10700

1 10700 10600 10200 9490 8500 7270 5870

1026 38600 - 10800 10800 10800 10800 10800 10800 10800

1 10800 10600 10200 9500 8520 7290 5900

1127 42400 - 11600 11600 11600 11600 11600 11600 11600

1 11600 11600 11100 10400 9290 7970 6450

   40.0 Mc

Mr

   45.0 Mc

Mr

   50.0 Mc

Mr

   25.0 Mc

Mr

   28.0 Mc

Mr

   32.0 Mc

Mr

   36.0 Mc

Mr

   40.0 Mc

Mr

   45.0 Mc

Mr

   50.0 Mc

Mr

   25.0 Mc

Mr

   28.0 Mc

Mr

   32.0 Mc

Mr

   36.0 Mc

Mr

   40.0 Mc

Mr

   45.0 Mc

Mr

   50.0 Mc

Mr

Page 266: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGJIS G3136

HOT-FINISHEDJUMBO SQUARE HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit

D t

0.7 0.8 0.9 1 mm mm 2 3 4 5 6 7

964 964 964 964 350x350 1 7870 7750 7620 7460 7270 7020

400 270 136 0

1080 1080 1080 1080 1 8970 8840 8680 8490 8260 7980

454 306 155 0

1180 1180 1180 1180 1 10000 9890 9710 9500 9240 8910

506 342 173 0

1450 1450 1450 1450 400x400 1 10400 10300 10200 10000 9800 9570

604 407 206 0

1600 1600 1600 1600 1 11700 11600 11400 11200 11000 10700

675 456 231 0

985 985 985 985 450x450 1 6730 6710 6630 6540 6450 6340

- - - -

1420 1420 1420 1420 1 8810 8780 8680 8560 8430 8290

582 391 197 0

1650 1650 1650 1650 1 10300 10300 10200 10000 9890 9710

680 457 231 0

1880 1880 1880 1880 1 11800 11800 11600 11500 11300 11100

776 522 264 0

2090 2090 2090 2090 1 13300 13200 13100 12900 12700 12500

868 585 296 0

2270 2270 2270 2270 1 14700 14600 14400 14200 14000 13800

956 645 327 0

2500 2500 2500 2500 1 16500 16500 16300 16000 15800 15500

1070 724 367 0

1150 1150 1150 $ 500x500*

7160 7160 7100 7020 6940 6840

- - - -

1770 1770 1770 1770 1 9850 9850 9750 9640 9520 9380

725 486 245 0

2070 2070 2070 2070 1 11600 11600 11500 11300 11200 11000

848 570 287 0

2350 2350 2350 2350 1 13300 13300 13100 13000 12800 12600

969 652 329 0

2620 2620 2620 2620 1 14900 14900 14800 14600 14400 14200

1090 731 369 0

2880 2880 2880 2880 1 16500 16500 16300 16100 15900 15700

1200 808 408 0

3180 3180 3180 3180 1 18600 18600 18400 18200 17900 17700

1350 908 460 0

(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance P

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths LE

   19.0

pyZ = 805

   22.0

pyZ = 898

   25.0

pyZ = 982

   22.0

pyZ = 1210

   25.0

pyZ = 1340

   12.0

pyZ = 945

   16.0

pyZ = 1210

   19.0

pyZ = 1400

   22.0

pyZ = 1580

   25.0

pyZ = 1740

   28.0

pyZ = 1890

   32.0

pyZ = 2080

   12.0

pyZ = 1180

   16.0

pyZ = 1520

   19.0

pyZ = 1760

   22.0

pyZ = 1990

   25.0

pyZ = 2200

   28.0

pyZ = 2400

   32.0

pyZ = 2650

Page 267: Steel Section Capacities BS 5950 Spreadsheet

3460 3460 3460 3460 1 20600 20600 20400 20100 19900 19600

1480 1000 509 0

2070 2070 2070 2070 550x550 1 10900 10900 10800 10700 10600 10500

- - - -

2530 2530 2530 2530 1 12800 12800 12700 12600 12500 12300

1040 695 350 0

2880 2880 2880 2880 1 14700 14700 14600 14500 14300 14100

1180 795 401 0

3220 3220 3220 3220 1 16500 16500 16400 16300 16100 15900

1330 894 451 0

3550 3550 3550 3550 1 18300 18300 18200 18000 17800 17600

1470 988 499 0

3950 3950 3950 3950 1 20700 20700 20600 20300 20100 19900

1650 1110 563 0

4310 4310 4310 4310 1 23000 23000 22800 22600 22300 22000

1820 1230 624 0

4630 4630 4630 4630 1 25200 25200 25000 24700 24400 24100

1990 1350 683 0

3880 3880 3880 3880 600x600 1 18200 18200 18100 17900 17800 17600

1600 1070 541 0

4280 4280 4280 4280 1 20200 20200 20100 19900 19700 19500

1760 1190 599 0

4790 4790 4790 4790 1 22800 22800 22700 22500 22300 22000

1990 1340 676 0

5250 5250 5250 5250 1 25300 25300 25200 25000 24700 24500

2200 1480 751 0

5660 5660 5660 5660 1 27800 27800 27700 27400 27100 26800

2410 1620 823 0

5570 5570 5570 5570 1 27900 27900 27900 27600 27300 27000

2410 1630 826 0

5960 5960 5960 5960 1 30600 30600 30500 30200 29900 29500

2620 1780 902 0

4600 4600 4600 4600 650x650 1 19800 19800 19800 19600 19500 19300

1890 1270 638 0

5070 5070 5070 5070 1 22000 22000 22000 21800 21600 21400

2090 1400 708 0

5690 5690 5690 5690 1 24900 24900 24900 24600 24400 24200

2350 1590 800 0

6280 6280 6280 6280 1 27700 27700 27600 27400 27200 26900

2610 1760 889 0

6800 6800 6800 6800 1 30400 30400 30400 30100 29800 29500

2860 1930 976 0

6710 6710 6710 6710 1 30600 30600 30600 30300 30100 29800

2860 1940 981 0

7200 7200 7200 7200 1 33500 33500 33500 33200 32900 32600

3120 2110 1070 0

5380 5380 5380 5380 700x700 1 21400 21400 21400 21300 21100 21000

2200 1480 744 0

5940 5940 5940 5940 1 23800 23800 23800 23700 23500 23300

2440 1640 826 0

6670 6670 6670 6670 1 26900 26900 26900 26800 26600 26300

2750 1850 935 0

7370 7370 7370 7370 1 30000 30000 30000 29800 29600 29300

3060 2060 1040 0

   36.0

pyZ = 2880

   16.0

pyZ = 1860

   19.0

pyZ = 2160

   22.0

pyZ = 2450

   25.0

pyZ = 2720

   28.0

pyZ = 2970

   32.0

pyZ = 3290

   36.0

pyZ = 3590

   40.0

pyZ = 3860

   25.0

pyZ = 3290

   28.0

pyZ = 3600

   32.0

pyZ = 4000

   36.0

pyZ = 4370

   40.0

pyZ = 4720

   45.0

pyZ = 4640

   50.0

pyZ = 4960

   25.0

pyZ = 3910

   28.0

pyZ = 4290

   32.0

pyZ = 4780

   36.0

pyZ = 5240

   40.0

pyZ = 5660

   45.0

pyZ = 5590

   50.0

pyZ = 6000

   25.0

pyZ = 4590

   28.0

pyZ = 5050

   32.0

pyZ = 5630

   36.0

pyZ = 6180

Page 268: Steel Section Capacities BS 5950 Spreadsheet

8040 8040 8040 8040 1 33000 33000 33000 32800 32500 32200

3350 2260 1140 0

7950 7950 7950 7950 1 33200 33200 33200 33100 32800 32500

3360 2270 1150 0

8560 8560 8560 8560 1 36500 36500 36500 36300 36000 35700

3670 2480 1260 0

6210 6210 6210 6210 750x750 1 23000 23000 23000 23000 22800 22600

2540 1710 858 0

6880 6880 6880 6880 1 25600 25600 25600 25500 25400 25200

2820 1890 953 0

7730 7730 7730 7730 1 29000 29000 29000 28900 28700 28500

3180 2140 1080 0

8550 8550 8550 8550 1 32300 32300 32300 32200 32000 31700

3540 2380 1200 0

9350 9350 9350 9350 1 35600 35600 35600 35500 35200 34900

3880 2610 1320 0

9300 9300 9300 9300 1 35900 35900 35900 35800 35600 35300

3900 2630 1330 0

10000 10000 10000 10000 1 39400 39400 39400 39300 39000 38700

4260 2880 1460 0

7120 7120 7120 7120 800x800 1 24700 24700 24700 24700 24500 24300

2910 1950 981 0

7880 7880 7880 7880 1 27400 27400 27400 27400 27200 27000

3220 2160 1090 0

8870 8870 8870 8870 1 31100 31100 31100 31100 30900 30700

3650 2450 1230 0

9820 9820 9820 9820 1 34700 34700 34700 34600 34400 34200

4050 2730 1370 0

10700 10700 10700 10700 1 38200 38200 38200 38100 37900 37600

4450 3000 1510 0

10800 10800 10800 10800 1 38600 38600 38600 38600 38300 38000

4480 3020 1530 0

11600 11600 11600 11600 1 42400 42400 42400 42400 42100 41800

4900 3310 1670 0

   40.0

pyZ = 6700

   45.0

pyZ = 6630

   50.0

pyZ = 7130

   25.0

pyZ = 5320

   28.0

pyZ = 5860

   32.0

pyZ = 6550

   36.0

pyZ = 7200

   40.0

pyZ = 7820

   45.0

pyZ = 7750

   50.0

pyZ = 8360

   25.0

pyZ = 6110

   28.0

pyZ = 6730

   32.0

pyZ = 7530

   36.0

pyZ = 8300

   40.0

pyZ = 9020

   45.0

pyZ = 8970

   50.0

pyZ = 9690

Page 269: Steel Section Capacities BS 5950 Spreadsheet

AXIAL LOAD & BENDING

HOT-FINISHED <>JUMBO SQUARE HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

8 9 10 11 12 13 14

6710 6310 5830 5290 4740 4220 3760

7610 7130 6560 5930 5290 4710 4180

8490 7940 7290 6570 5860 5210 4620

9280 8930 8490 7950 7350 6710 6080

10400 9960 9450 8830 8130 7410 6700

6210 6060 5880 5650 5390 5080 4740

8110 7910 7660 7360 7000 6590 6130

9510 9270 8970 8610 8180 7690 7150

10900 10600 10200 9800 9290 8710 8080

12200 11900 11500 11000 10400 9740 9020

13400 13100 12600 12100 11400 10600 9840

15100 14700 14100 13500 12700 11800 10900

6740 6620 6480 6320 6130 5900 5640

9230 9050 8850 8600 8310 7970 7570

10800 10600 10400 10100 9740 9330 8860

12400 12200 11900 11500 11100 10700 10100

13900 13700 13300 12900 12500 11900 11300

15400 15100 14700 14300 13800 13100 12400

17400 17000 16600 16100 15400 14700 13900

Compression Resistance Pc (kN)

Varying effective lengths LE (m) within the limiting value of F/Pz

Page 270: Steel Section Capacities BS 5950 Spreadsheet

19200 18800 18300 17700 17000 16200 15300

10300 10200 10000 9800 9560 9280 8950

12100 12000 11700 11500 11200 10900 10500

13900 13700 13500 13200 12800 12400 12000

15700 15400 15100 14800 14400 14000 13500

17300 17100 16800 16400 15900 15400 14800

19600 19200 18900 18400 17900 17300 16600

21700 21300 20900 20400 19800 19200 18400

23800 23300 22900 22300 21700 20900 20000

17400 17200 16900 16600 16300 15900 15500

19300 19000 18700 18400 18000 17600 17100

21800 21500 21200 20800 20400 19900 19300

24200 23800 23500 23000 22600 22000 21300

26500 26100 25700 25200 24700 24100 23300

26700 26300 25900 25500 25000 24400 23700

29200 28800 28300 27800 27200 26600 25800

19100 18900 18600 18400 18100 17800 17400

21200 20900 20700 20400 20100 19700 19300

23900 23700 23400 23000 22700 22200 21700

26600 26300 26000 25600 25200 24700 24100

29200 28900 28500 28100 27600 27000 26400

29500 29100 28800 28400 27900 27400 26800

32200 31900 31500 31000 30500 29900 29300

20800 20600 20400 20100 19900 19600 19200

23100 22800 22600 22300 22000 21700 21300

26100 25800 25600 25300 24900 24500 24100

29100 28800 28500 28100 27700 27300 26800

Page 271: Steel Section Capacities BS 5950 Spreadsheet

31900 31600 31300 30900 30500 30000 29400

32200 31900 31600 31200 30800 30300 29800

35300 35000 34600 34200 33700 33200 32600

22500 22300 22100 21800 21600 21300 21000

25000 24700 24500 24300 24000 23700 23400

28300 28000 27800 27500 27200 26800 26400

31500 31200 30900 30600 30200 29800 29400

34600 34300 34000 33600 33200 32800 32300

35000 34700 34400 34000 33600 33200 32800

38400 38000 37700 37300 36900 36400 35900

24200 24000 23800 23600 23300 23100 22800

26800 26600 26400 26200 25900 25600 25300

30400 30200 29900 29700 29400 29100 28700

33900 33600 33400 33100 32700 32400 32000

37300 37000 36700 36400 36000 35600 35200

37700 37500 37100 36800 36400 36100 35600

41500 41100 40800 40400 40000 39600 39100

Page 272: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

50x25 2.15 97.3 1.43 1.43 1.43 1.43 1.43 1.43 1.43 1.43

n/a n/a 0.93 0.93 0.93 0.93 0.93 0.93 0.93 0.93

1 1 1.43 1.43 1.43 1.36 1.25 1.1 0.913 0.703

0.93 0.913 0.863 0.78 0.68 0.573 0.464 0.352

2.62 119 1.68 1.68 1.68 1.68 1.68 1.68 1.68 1.68

n/a n/a 1.11 1.11 1.11 1.11 1.11 1.11 1.11 1.11

1 1 1.68 1.68 1.68 1.64 1.5 1.32 1.1 0.85

1.11 1.09 1.03 0.935 0.814 0.689 0.56 0.426

3.07 139 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9

n/a n/a 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25

1 1 1.9 1.9 1.9 1.88 1.72 1.51 1.27 0.986

1.25 1.24 1.17 1.07 0.937 0.795 0.648 0.495

50x30 2.31 104 1.62 1.62 1.62 1.62 1.62 1.62 1.62 1.62

n/a n/a 1.18 1.18 1.18 1.18 1.18 1.18 1.18 1.18

1 1 1.62 1.62 1.61 1.51 1.38 1.2 0.992 0.758

1.18 1.16 1.11 1.01 0.882 0.743 0.601 0.455

2.82 127 1.93 1.93 1.93 1.93 1.93 1.93 1.93 1.93

n/a n/a 1.41 1.41 1.41 1.41 1.41 1.41 1.41 1.41

1 1 1.93 1.93 1.93 1.82 1.66 1.45 1.2 0.918

1.41 1.39 1.32 1.21 1.06 0.896 0.726 0.552

3.3 149 2.19 2.19 2.19 2.19 2.19 2.19 2.19 2.19

n/a n/a 1.62 1.62 1.62 1.62 1.62 1.62 1.62 1.62

1 1 2.19 2.19 2.19 2.1 1.91 1.68 1.39 1.07

1.62 1.6 1.52 1.39 1.22 1.04 0.843 0.642

4.2 190 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6

n/a n/a 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9

1 1 2.6 2.6 2.6 2.57 2.35 2.06 1.71 1.34

1.9 1.9 1.85 1.7 1.51 1.29 1.05 0.805

60x30 3.77 171 2.91 2.91 2.91 2.91 2.91 2.91 2.91 2.91

n/a n/a 1.91 1.91 1.91 1.91 1.91 1.91 1.91 1.91

1 1 2.91 2.91 2.91 2.82 2.58 2.28 1.9 1.47

1.91 1.88 1.78 1.62 1.41 1.19 0.967 0.736

4.83 218 3.51 3.51 3.51 3.51 3.51 3.51 3.51 3.51

n/a n/a 2.29 2.29 2.29 2.29 2.29 2.29 2.29 2.29

1 1 3.51 3.51 3.51 3.49 3.2 2.82 2.36 1.85

2.29 2.29 2.18 2 1.75 1.49 1.21 0.929

COLD-FORMED   HYBOX 355

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   2.0 Mcx

Mcy

Mrx

Mry

   2.5 Mcx

Mcy

Mrx

Mry

   3.0 Mcx

Mcy

Mrx

Mry

   2.0 Mcx

Mcy

Mrx

Mry

   2.5 Mcx

Mcy

Mrx

Mry

   3.0 Mcx

Mcy

Mrx

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   3.0 Mcx

Mcy

Mrx

Mry

   4.0 Mcx

Mcy

Mrx

Mry

Page 273: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

60x40 3.6 163 3.14 3.14 3.14 3.14 3.14 3.14 3.14 3.14

n/a n/a 2.43 2.43 2.43 2.43 2.43 2.43 2.43 2.43

1 1 3.14 3.14 3.07 2.88 2.62 2.28 1.88 1.42

2.43 2.39 2.28 2.09 1.84 1.55 1.25 0.948

4.25 192 3.6 3.6 3.6 3.6 3.6 3.6 3.6 3.6

n/a n/a 2.82 2.82 2.82 2.82 2.82 2.82 2.82 2.82

1 1 3.6 3.6 3.55 3.34 3.03 2.65 2.19 1.67

2.82 2.78 2.65 2.43 2.14 1.81 1.46 1.11

5.45 247 4.39 4.39 4.39 4.39 4.39 4.39 4.39 4.39

n/a n/a 3.47 3.47 3.47 3.47 3.47 3.47 3.47 3.47

1 1 4.39 4.39 4.39 4.2 3.83 3.35 2.77 2.11

3.47 3.46 3.3 3.03 2.69 2.28 1.85 1.41

6.56 297 5.03 5.03 5.03 5.03 5.03 5.03 5.03 5.03

n/a n/a 3.92 3.92 3.92 3.92 3.92 3.92 3.92 3.92

1 1 5.03 5.03 5.03 4.91 4.47 3.92 3.28 2.51

3.92 3.92 3.83 3.52 3.16 2.69 2.19 1.68

70x40 4.72 213 4.56 4.56 4.56 4.56 4.56 4.56 4.56 4.56

n/a n/a 3.21 3.21 3.21 3.21 3.21 3.21 3.21 3.21

1 1 4.56 4.56 4.54 4.28 3.9 3.42 2.83 2.16

3.21 3.16 3 2.73 2.39 2.01 1.63 1.24

6.08 275 5.58 5.58 5.58 5.58 5.58 5.58 5.58 5.58

n/a n/a 4.01 4.01 4.01 4.01 4.01 4.01 4.01 4.01

1 1 5.58 5.58 5.58 5.36 4.9 4.3 3.57 2.76

4.01 3.94 3.74 3.41 3.01 2.55 2.07 1.58

70x50 5.19 235 5.37 5.37 5.37 5.37 5.37 5.37 5.37 5.37

n/a n/a 4.33 4.33 4.33 4.33 4.33 4.33 4.33 4.33

1 1 5.37 5.37 5.21 4.89 4.43 3.85 3.15 2.39

4.33 4.27 4.07 3.75 3.31 2.79 2.25 1.71

6.71 304 6.65 6.65 6.65 6.65 6.65 6.65 6.65 6.65

n/a n/a 5.47 5.47 5.47 5.47 5.47 5.47 5.47 5.47

1 1 6.65 6.65 6.6 6.19 5.62 4.9 4.02 3.06

5.47 5.39 5.14 4.74 4.2 3.55 2.88 2.19

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>

COLD-FORMED   HYBOX 355

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   2.5 Mcx

Mcy

Mrx

Mry

   3.0 Mcx

Mcy

Mrx

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   3.0 Mcx

Mcy

Mrx

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   3.0 Mcx

Mcy

Mrx

Mry

   4.0 Mcx

Mcy

Mrx

Mry

COLD-FORMED   HYBOX 355

Page 274: Steel Section Capacities BS 5950 Spreadsheet

RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

80x40 5.19 235 5.58 5.58 5.58 5.58 5.58 5.58 5.58 5.58

n/a n/a 3.62 3.62 3.62 3.62 3.62 3.62 3.62 3.62

1 1 5.58 5.58 5.58 5.28 4.82 4.24 3.53 2.72

3.62 3.56 3.36 3.04 2.63 2.22 1.8 1.36

6.71 304 6.9 6.9 6.9 6.9 6.9 6.9 6.9 6.9

n/a n/a 4.54 4.54 4.54 4.54 4.54 4.54 4.54 4.54

1 1 6.9 6.9 6.9 6.69 6.12 5.39 4.5 3.48

4.54 4.46 4.22 3.83 3.33 2.82 2.29 1.74

8.13 369 8.01 8.01 8.01 8.01 8.01 8.01 8.01 8.01

n/a n/a 5.24 5.24 5.24 5.24 5.24 5.24 5.24 5.24

1 1 8.01 8.01 8.01 7.9 7.23 6.37 5.31 4.18

5.24 5.23 4.94 4.54 3.97 3.37 2.75 2.1

80x50 5.66 256 6.52 6.52 6.52 6.52 6.52 6.52 6.52 6.52

n/a n/a 4.83 4.83 4.83 4.83 4.83 4.83 4.83 4.83

1 1 6.52 6.52 6.37 5.98 5.44 4.75 3.91 2.98

4.83 4.75 4.52 4.14 3.62 3.05 2.46 1.87

7.34 332 8.14 8.14 8.14 8.14 8.14 8.14 8.14 8.14

n/a n/a 6.11 6.11 6.11 6.11 6.11 6.11 6.11 6.11

1 1 8.14 8.14 8.13 7.65 6.97 6.1 5.03 3.83

6.11 6.01 5.72 5.23 4.61 3.89 3.16 2.4

8.91 405 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5

n/a n/a 7.2 7.2 7.2 7.2 7.2 7.2 7.2 7.2

1 1 9.5 9.5 9.5 9.08 8.27 7.23 5.97 4.63

7.2 7.16 6.82 6.24 5.52 4.67 3.8 2.9

80x60 6.13 277 7.46 7.46 7.46 7.46 7.46 7.46 7.46 7.46

n/a n/a 6.18 6.18 6.18 6.18 6.18 6.18 6.18 6.18

1 1 7.46 7.44 7.17 6.71 6.08 5.27 4.28 3.24

6.18 6.09 5.82 5.36 4.73 3.98 3.21 2.43

7.97 359 9.37 9.37 9.37 9.37 9.37 9.37 9.37 9.37

n/a n/a 7.85 7.85 7.85 7.85 7.85 7.85 7.85 7.85

1 1 9.37 9.37 9.13 8.57 7.77 6.76 5.48 4.16

7.85 7.73 7.39 6.83 6.03 5.08 4.11 3.12

9.7 440 11 11 11 11 11 11 11 11

n/a n/a 9.33 9.33 9.33 9.33 9.33 9.33 9.33 9.33

1 1 11 11 10.9 10.2 9.25 8.02 6.65 5.06

9.33 9.24 8.83 8.14 7.19 6.15 4.99 3.8

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   3.0 Mcx

Mcy

Mrx

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   3.0 Mcx

Mcy

Mrx

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   3.0 Mcx

Mcy

Mrx

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

COLD-FORMED   HYBOX 355

Page 275: Steel Section Capacities BS 5950 Spreadsheet

RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

90x50 6.13 277 7.75 7.75 7.75 7.75 7.75 7.75 7.75 7.75

n/a 1 5.28 5.28 5.28 5.28 5.28 5.28 5.28 5.28

1 0 7.75 7.75 7.66 7.21 6.58 5.77 4.77 3.64

- - - - - - - -

7.06 319 8.78 8.78 8.78 8.78 8.78 8.78 8.78 8.78

n/a n/a 6.07 6.07 6.07 6.07 6.07 6.07 6.07 6.07

1 1 8.78 8.78 8.75 8.24 7.52 6.6 5.47 4.17

6.07 5.97 5.66 5.15 4.49 3.78 3.06 2.32

7.97 359 9.71 9.71 9.71 9.71 9.71 9.71 9.71 9.71

n/a n/a 6.78 6.78 6.78 6.78 6.78 6.78 6.78 6.78

1 1 9.71 9.71 9.71 9.21 8.41 7.39 6.15 4.66

6.78 6.67 6.33 5.76 5 4.22 3.42 2.59

9.7 440 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4

n/a n/a 8.05 8.05 8.05 8.05 8.05 8.05 8.05 8.05

1 1 11.4 11.4 11.4 11 10 8.8 7.3 5.67

8.05 7.92 7.51 6.83 6.03 5.1 4.15 3.16

100x40 6.13 277 7.88 7.88 7.88 7.88 7.88 7.88 7.88 7.88

n/a 1 4.03 4.03 4.03 4.03 4.03 4.03 4.03 4.03

1 0 7.88 7.88 7.88 7.6 6.97 6.16 5.17 3.99

- - - - - - - -

7.97 359 9.84 9.84 9.84 9.84 9.84 9.84 9.84 9.84

n/a n/a 5.57 5.57 5.57 5.57 5.57 5.57 5.57 5.57

1 1 9.84 9.84 9.84 9.74 8.95 7.93 6.68 5.21

5.57 5.46 5.12 4.56 3.96 3.35 2.72 2.07

9.7 440 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5

n/a n/a 6.56 6.56 6.56 6.56 6.56 6.56 6.56 6.56

1 1 11.5 11.5 11.5 11.5 10.6 9.4 7.9 6.13

6.56 6.43 6.02 5.46 4.77 4.04 3.29 2.51

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   3.0 Mcx

Mcy

Mrx

Mry

   3.5 Mcx

Mcy

Mrx

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   3.0 Mcx

Mcy

Mrx

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

COLD-FORMED   HYBOX 355

Page 276: Steel Section Capacities BS 5950 Spreadsheet

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

100x50 6.6 299 9.07 9.07 9.07 9.07 9.07 9.07 9.07 9.07

n/a 1 5.36 5.36 5.36 5.36 5.36 5.36 5.36 5.36

1 0 9.07 9.07 9.06 8.54 7.8 6.86 5.71 4.36

- - - - - - - -

8.59 387 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4

n/a n/a 7.42 7.42 7.42 7.42 7.42 7.42 7.42 7.42

1 1 11.4 11.4 11.4 10.9 10 8.81 7.36 5.6

7.42 7.29 6.89 6.23 5.41 4.56 3.69 2.8

10.5 476 13.5 13.5 13.5 13.5 13.5 13.5 13.5 13.5

n/a n/a 8.88 8.88 8.88 8.88 8.88 8.88 8.88 8.88

1 1 13.5 13.5 13.5 13 11.9 10.5 8.75 6.82

8.88 8.72 8.24 7.5 6.53 5.53 4.49 3.42

12.3 554 15.3 15.3 15.3 15.3 15.3 15.3 15.3 15.3

n/a n/a 10 10 10 10 10 10 10 10

1 1 15.3 15.3 15.3 15 13.8 12.1 10.2 7.87

10 9.94 9.4 8.57 7.48 6.35 5.17 3.95

100x60 7.07 320 10.3 10.3 10.3 10.3 10.3 10.3 10.3 10.3

n/a 1 6.78 6.78 6.78 6.78 6.78 6.78 6.78 6.78

1 0 10.3 10.3 10 9.43 8.59 7.51 6.19 4.68

- - - - - - - -

8.16 369 11.7 11.7 11.7 11.7 11.7 11.7 11.7 11.7

n/a n/a 8.45 8.45 8.45 8.45 8.45 8.45 8.45 8.45

1 1 11.7 11.7 11.5 10.8 9.8 8.57 7.06 5.39

8.45 8.31 7.9 7.21 6.29 5.29 4.27 3.23

9.22 415 13 13 13 13 13 13 13 13

n/a n/a 9.44 9.44 9.44 9.44 9.44 9.44 9.44 9.44

1 1 13 13 12.8 12.1 11 9.66 7.99 6.03

9.44 9.29 8.84 8.08 7.02 5.91 4.78 3.62

11.3 511 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4

n/a n/a 11.3 11.3 11.3 11.3 11.3 11.3 11.3 11.3

1 1 15.4 15.4 15.4 14.5 13.2 11.6 9.56 7.37

11.3 11.1 10.6 9.67 8.5 7.18 5.82 4.43

13.2 596 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5

n/a n/a 13 13 13 13 13 13 13 13

1 1 17.5 17.5 17.5 16.8 15.3 13.4 11.1 8.53

13 12.8 12.2 11.1 9.78 8.28 6.73 5.13

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   3.0 Mcx

Mcy

Mrx

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.0 Mcx

Mcy

Mrx

Mry

   3.0 Mcx

Mcy

Mrx

Mry

   3.5 Mcx

Mcy

Mrx

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.0 Mcx

Mcy

Mrx

Mry

COLD-FORMED   HYBOX 355

Page 277: Steel Section Capacities BS 5950 Spreadsheet

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

100x80 8.01 362 12.6 12.6 12.6 12.6 12.6 12.6 12.6 12.6

n/a 1 9.87 9.87 9.87 9.87 9.87 9.87 9.87 9.87

1 0 12.6 12.4 12 11.2 10.1 8.72 7.05 5.32

- - - - - - - -

10.5 472 16.1 16.1 16.1 16.1 16.1 16.1 16.1 16.1

n/a n/a 13.9 13.9 13.9 13.9 13.9 13.9 13.9 13.9

1 1 16.1 16 15.4 14.4 13 11.3 9.11 6.9

13.9 13.7 13.1 12.1 10.8 9.03 7.29 5.52

12.8 582 19.3 19.3 19.3 19.3 19.3 19.3 19.3 19.3

n/a n/a 16.8 16.8 16.8 16.8 16.8 16.8 16.8 16.8

1 1 19.3 19.3 18.6 17.4 15.7 13.6 11.1 8.45

16.8 16.5 15.8 14.6 12.9 11 8.91 6.76

120x40 7.07 320 10.5 10.5 10.5 10.5 10.5 10.5 10.5 9.84

0.82*

4.17 4.17 4.17 4.17 4.17 4.17 4.17 4.17

0.532 10.5 10.5 10.5 10.4 9.51 8.43 - -

- - - - - - - -

9.22 415 13.2 13.2 13.2 13.2 13.2 13.2 13.2 13.2

n/a 1 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5

1 0 13.2 13.2 13.2 13.2 12.2 10.8 9.16 7.18

- - - - - - - -

11.3 511 15.7 15.7 15.7 15.7 15.7 15.7 15.7 15.7

n/a n/a 7.81 7.81 7.81 7.81 7.81 7.81 7.81 7.81

1 1 15.7 15.7 15.7 15.7 14.6 12.9 10.9 8.52

7.81 7.63 7.07 6.37 5.56 4.71 3.83 2.92

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

120x60 8.01 362 13.4 13.4 13.4 13.4 13.4 13.4 12.8 12.3

0.82*

6.99 6.99 6.99 6.99 6.99 6.99 6.99 6.99

0.47 13.4 13.4 13.3 12.5 11.5 - - -

- - - - - - - -

9.26 419 15.3 15.3 15.3 15.3 15.3 15.3 15.3 15.3

n/a 1 8.91 8.91 8.91 8.91 8.91 8.91 8.91 8.91

1 0 15.3 15.3 15.2 14.4 13.1 11.5 9.58 7.34

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   3.0 Mcx

Mcy

Mrx

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   3.0 Mcx

Mcy

Mrx

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

COLD-FORMED   HYBOX 355

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   3.0 Mcx

Mcy

Mrx

Mry

   3.5 Mcx

Mcy

Mrx

Page 278: Steel Section Capacities BS 5950 Spreadsheet

- - - - - - - -

10.5 472 17.1 17.1 17.1 17.1 17.1 17.1 17.1 17.1

n/a 1 10.9 10.9 10.9 10.9 10.9 10.9 10.9 10.9

1 0 17.1 17.1 17.1 16.2 14.8 13 10.9 8.25

- - - - - - - -

12.8 582 20.4 20.4 20.4 20.4 20.4 20.4 20.4 20.4

n/a n/a 13.3 13.3 13.3 13.3 13.3 13.3 13.3 13.3

1 1 20.4 20.4 20.4 19.5 17.8 15.7 13 10.1

13.3 13 12.3 11.1 9.73 8.21 6.65 5.05

15.1 682 23.3 23.3 23.3 23.3 23.3 23.3 23.3 23.3

n/a n/a 15.3 15.3 15.3 15.3 15.3 15.3 15.3 15.3

1 1 23.3 23.3 23.3 22.6 20.7 18.2 15.2 11.7

15.3 15 14.2 12.9 11.2 9.51 7.72 5.88

120x80 8.96 405 16.4 16.4 16.4 16.4 16.4 15.7 15.2 14.7

0.82*

10.1 10.1 10.1 10.1 10.1 10.1 10.1 10.1

0.42 16.4 16.2 15.6 14.7 13.3 - - -

- - - - - - - -

11.7 529 20.9 20.9 20.9 20.9 20.9 20.9 20.9 20.9

n/a 1 15.9 15.9 15.9 15.9 15.9 15.9 15.9 15.9

1 0 20.9 20.9 20.2 19 17.3 15.1 12.4 9.29

- - - - - - - -

14.4 653 25.1 25.1 25.1 25.1 25.1 25.1 25.1 25.1

n/a n/a 19.4 19.4 19.4 19.4 19.4 19.4 19.4 19.4

1 1 25.1 25.1 24.5 23 20.9 18.2 15 11.4

19.4 19.1 18.2 16.7 14.7 12.4 10 7.6

17 767 28.8 28.8 28.8 28.8 28.8 28.8 28.8 28.8

n/a n/a 22.5 22.5 22.5 22.5 22.5 22.5 22.5 22.5

1 1 28.8 28.8 28.5 26.8 24.4 21.3 17.5 13.3

22.5 22.2 21.2 19.4 17.1 14.4 11.7 8.87

21.4 966 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8

n/a n/a 26.8 26.8 26.8 26.8 26.8 26.8 26.8 26.8

1 1 33.8 33.8 33.8 32.5 29.6 26 21.4 16.6

26.8 26.8 25.7 23.6 21.1 17.8 14.5 11.1

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

140x80 9.9 447 20.4 20.4 20.4 20.4 19.1 18 17.1 9.28

0.609*

10.3 10.3 10.3 10.3 10.3 10.3 10.3 10.3

0.285 20.4 20.4 19.7 - - - - -

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.0 Mcx

Mcy

Mrx

Mry

   3.0 Mcx

Mcy

Mrx

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.0 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

COLD-FORMED   HYBOX 355

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   3.0 Mcx

Mcy

Mrx

Page 279: Steel Section Capacities BS 5950 Spreadsheet

- - - - - - - -

13 586 26.2 26.2 26.2 26.2 26.2 26.2 26.2 26.2

n/a 1 16.2 16.2 16.2 16.2 16.2 16.2 16.2 16.2

1 0 26.2 26.2 25.6 24.1 22 19.3 15.9 12

- - - - - - - -

16 724 31.5 31.5 31.5 31.5 31.5 31.5 31.5 31.5

n/a n/a 22.1 22.1 22.1 22.1 22.1 22.1 22.1 22.1

1 1 31.5 31.5 31.1 29.3 26.7 23.4 19.3 14.8

22.1 21.7 20.6 18.8 16.4 13.8 11.1 8.44

18.9 852 36.3 36.3 36.3 36.3 36.3 36.3 36.3 36.3

n/a n/a 25.7 25.7 25.7 25.7 25.7 25.7 25.7 25.7

1 1 36.3 36.3 36.3 34.2 31.2 27.3 22.6 17.3

25.7 25.3 24 21.9 19.1 16.1 13 9.88

23.9 1080 43 43 43 43 43 43 43 43

n/a n/a 31.2 31.2 31.2 31.2 31.2 31.2 31.2 31.2

1 1 43 43 43 41.9 38.3 33.7 28.1 21.6

31.2 30.9 29.3 26.8 23.7 20 16.3 12.4

28.7 1300 49 49 49 49 49 49 49 49

n/a n/a 35.2 35.2 35.2 35.2 35.2 35.2 35.2 35.2

1 1 49 49 49 48.6 44.4 39.1 32.6 25.8

35.2 35.2 34.2 31.2 27.9 23.7 19.3 14.8

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

150x100 14.9 671 33.8 33.8 33.8 33.8 33.8 33.8 32.8 32.5

0.922*

21.9 21.9 21.9 21.9 21.9 21.9 21.9 21.9

0.493 33.8 33.6 32.4 30.4 27.6 - - -

- - - - - - - -

18.3 831 40.9 40.9 40.9 40.9 40.9 40.9 40.9 40.9

n/a 1 31.1 31.1 31.1 31.1 31.1 31.1 31.1 31.1

1 0 40.9 40.9 39.6 37.2 33.8 29.4 24.1 18.2

- - - - - - - -

21.7 980 47.3 47.3 47.3 47.3 47.3 47.3 47.3 47.3

n/a n/a 36.6 36.6 36.6 36.6 36.6 36.6 36.6 36.6

1 1 47.3 47.3 46.4 43.6 39.6 34.6 28.2 21.4

36.6 36 34.3 31.5 27.7 23.3 18.8 14.3

27.7 1250 57.1 57.1 57.1 57.1 57.1 57.1 57.1 57.1

n/a n/a 45.4 45.4 45.4 45.4 45.4 45.4 45.4 45.4

1 1 57.1 57.1 57.1 53.8 49 42.8 35.3 27

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.0 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

COLD-FORMED   HYBOX 355

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.0 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Page 280: Steel Section Capacities BS 5950 Spreadsheet

45.4 44.8 42.7 39.3 34.7 29.3 23.8 18

33.4 1510 66 66 66 66 66 66 66 66

n/a n/a 52.4 52.4 52.4 52.4 52.4 52.4 52.4 52.4

1 1 66 66 66 63.4 57.8 50.5 41.7 32.4

52.4 52.4 50 46 41.2 34.9 28.4 21.6

160x80 17.5 795 38.4 38.4 38.4 38.4 38.4 38.4 38.4 38.4

n/a 1 23.4 23.4 23.4 23.4 23.4 23.4 23.4 23.4

1 0 38.4 38.4 38.3 36.1 33 29 24.1 18.6

- - - - - - - -

20.7 937 44.7 44.7 44.7 44.7 44.7 44.7 44.7 44.7

n/a n/a 28.9 28.9 28.9 28.9 28.9 28.9 28.9 28.9

1 1 44.7 44.7 44.7 42.2 38.6 34 28.3 21.7

28.9 28.3 26.8 24.2 21 17.7 14.4 10.9

26.4 1190 53.3 53.3 53.3 53.3 53.3 53.3 53.3 53.3

n/a n/a 35.5 35.5 35.5 35.5 35.5 35.5 35.5 35.5

1 1 53.3 53.3 53.3 52.2 47.8 42.2 35.3 27.4

35.5 34.9 33 29.9 26.3 22.2 18 13.7

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

180x80 15.5 699 38 38 38 38 38 35.5 32.9 18.8

0.655*

16.8 16.8 16.8 16.8 16.8 16.8 16.8 16.8

0.351 38 38 38 35.9 - - - -

- - - - - - - -

19.1 866 46 46 46 46 46 46 46 46

0.991*

24 24 24 24 24 24 24 24

0.627 46 46 46 43.9 40.2 35.4 29.6 -

- - - - - - - -

22.6 1020 53.3 53.3 53.3 53.3 53.3 53.3 53.3 53.3

n/a 1 31.7 31.7 31.7 31.7 31.7 31.7 31.7 31.7

1 0 53.3 53.3 53.3 51.3 47 41.5 34.7 26.7

- - - - - - - -

28.9 1310 64.3 64.3 64.3 64.3 64.3 64.3 64.3 64.3

n/a n/a 39.4 39.4 39.4 39.4 39.4 39.4 39.4 39.4

1 1 64.3 64.3 64.3 63.5 58.3 51.5 43.2 33.5

39.4 38.7 36.4 33.2 28.8 24.4 19.8 15

35 1580 74.1 74.1 74.1 74.1 74.1 74.1 74.1 74.1

n/a n/a 45.6 45.6 45.6 45.6 45.6 45.6 45.6 45.6

1 1 74.1 74.1 74.1 74.1 68.9 61 51.3 39.8

Mry

   10.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.0 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

COLD-FORMED   HYBOX 355

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.0 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Page 281: Steel Section Capacities BS 5950 Spreadsheet

45.6 45.6 43 39.2 34.3 29.1 23.7 18.1

180x100 16.8 756 43.9 43.9 43.9 43.9 42.5 40 37.7 21.7

0.655*

22.4 22.4 22.4 22.4 22.4 22.4 22.4 22.4

0.325 43.9 43.9 42.7 40.2 - - - -

- - - - - - - -

20.7 937 53.3 53.3 53.3 53.3 53.3 53.3 53.3 53.3

0.991*

32 32 32 32 32 32 32 32

0.58 53.3 53.3 52.2 49.1 44.8 39.2 - -

- - - - - - - -

24.5 1110 62.2 62.2 62.2 62.2 62.2 62.2 62.2 62.2

n/a 1 42.2 42.2 42.2 42.2 42.2 42.2 42.2 42.2

1 0 62.2 62.2 61.4 57.8 52.7 46.3 38.3 29.1

- - - - - - - -

31.4 1420 75.8 75.8 75.8 75.8 75.8 75.8 75.8 75.8

n/a n/a 53.3 53.3 53.3 53.3 53.3 53.3 53.3 53.3

1 1 75.8 75.8 75.8 72.2 66 58 48.3 37

53.3 52.4 49.7 45.3 39.6 33.4 27.1 20.6

38.1 1730 88.2 88.2 88.2 88.2 88.2 88.2 88.2 88.2

n/a n/a 62.6 62.6 62.6 62.6 62.6 62.6 62.6 62.6

1 1 88.2 88.2 88.2 85.7 78.4 68.9 57.4 44.5

62.6 61.8 58.6 53.4 47.3 40 32.5 24.8

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

200x100 18 813 51.1 51.1 51.1 49.9 46.5 43.4 20 20

0.527*

22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7

0.232 51.1 51.1 50.2 - - - - -

- - - - - - - -

22.3 1010 62.2 62.2 62.2 62.2 62.2 62.2 59 56.8

0.82*

32.4 32.4 32.4 32.4 32.4 32.4 32.4 32.4

0.468 62.2 62.2 61.4 57.8 52.8 - - -

- - - - - - - -

26.4 1190 72.4 72.4 72.4 72.4 72.4 72.4 72.4 72.4

n/a 1 42.9 42.9 42.9 42.9 42.9 42.9 42.9 42.9

1 0 72.4 72.4 72.3 68.1 62.3 54.7 45.6 34.8

- - - - - - - -

33.9 1530 89 89 89 89 89 89 89 89

n/a n/a 58.6 58.6 58.6 58.6 58.6 58.6 58.6 58.6

1 1 89 89 89 85.5 78.2 68.9 57.5 44.4

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.0 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

COLD-FORMED   HYBOX 355

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.0 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Page 282: Steel Section Capacities BS 5950 Spreadsheet

58.6 57.5 54.4 49.3 42.9 36.2 29.3 22.2

41.3 1870 104 104 104 104 104 104 104 104

n/a n/a 69.2 69.2 69.2 69.2 69.2 69.2 69.2 69.2

1 1 104 104 104 102 93.2 82.2 68.7 53.6

69.2 68 64.3 58.2 51.4 43.5 35.3 26.8

200x120 19.3 870 57.5 57.5 57.5 54.9 51.5 48.6 22.5 22.5

0.527*

28.7 28.7 28.7 28.7 28.7 28.7 28.7 28.7

0 - - - - - - - -

- - - - - - - -

23.8 1080 70.3 70.3 70.3 70.3 70.3 68.8 65.6 63.7

0.82*

40.8 40.8 40.8 40.8 40.8 40.8 40.8 40.8

0.438 70.3 70.3 68.1 64 58.2 - - -

- - - - - - - -

28.3 1280 82.2 82.2 82.2 82.2 82.2 82.2 82.2 82.2

n/a 1 54.3 54.3 54.3 54.3 54.3 54.3 54.3 54.3

1 0 82.2 82.2 80.3 75.5 68.8 60.2 49.6 37.4

- - - - - - - -

36.5 1650 102 102 102 102 102 102 102 102

n/a n/a 74.2 74.2 74.2 74.2 74.2 74.2 74.2 74.2

1 1 102 102 101 95 86.7 75.9 62.8 47.9

74.2 73 69.4 63.4 55.7 46.9 37.9 28.8

44.4 2010 120 120 120 120 120 120 120 120

n/a n/a 88.8 88.8 88.8 88.8 88.8 88.8 88.8 88.8

1 1 120 120 120 114 104 90.8 75.2 58

88.8 87.3 83.1 76 66.9 56.5 45.8 34.8

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

200x150 21.2 955 54.6 54.6 54.6 54.6 54.6 54.6 26.3 26.3

* *38.6 38.6 38.6 38.6 38.6 38.6 38.6 38.6

- - - - - - - -

- - - - - - - -

26.2 1190 80.7 80.7 80.7 80.7 80.7 77.5 75.7 73.8

0.82*

54.8 54.8 54.8 54.8 54.8 54.8 54.8 54.8

0 - - - - - - - -

- - - - - - - -

31.1 1410 96.2 96.2 96.2 96.2 96.2 96.2 96.2 96.2

n/a 1 72.5 72.5 72.5 72.5 72.5 72.5 72.5 72.5

1 0 96.2 95 91.6 85.8 77.6 67.2 54.7 41.3

Mry

   10.0 Mcx

Mcy

Mrx

Mry

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.0 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

COLD-FORMED   HYBOX 355

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   4.0 Mcx

Mcy

Mrx

Mry

   5.0 Mcx

Mcy

Mrx

Mry

   6.0 Mcx

Mcy

Mrx

Page 283: Steel Section Capacities BS 5950 Spreadsheet

- - - - - - - -

40.2 1820 121 121 121 121 121 121 121 121

n/a n/a 100 100 100 100 100 100 100 100

1 1 121 121 116 109 98.9 85.8 70.1 53.1

100 99 94.6 87.4 77.2 65.1 52.6 39.8

49.1 2220 143 143 143 143 143 143 143 143

n/a n/a 120 120 120 120 120 120 120 120

1 1 143 143 140 131 119 103 84.9 64.4

120 119 113 105 92.5 78.8 63.7 48.4

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

RECTANGULAR HOLLOW SECTIONS <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

250x150 30.1 1360 112 112 112 107 101 95.1 43.9 43.9

0.527*

56.2 56.2 56.2 56.2 56.2 56.2 56.2 56.2

0 - - - - - - - -

- - - - - - - -

35.8 1620 132 132 132 132 132 126 120 115

0.76*

74.9 74.9 74.9 74.9 74.9 74.9 74.9 74.9

0.394 132 132 128 120 - - - -

- - - - - - - -

46.5 2100 167 167 167 167 167 167 167 167

n/a 1 116 116 116 116 116 116 116 116

1 0 167 167 163 154 140 123 101 76.8

- - - - - - - -

57 2580 199 199 199 199 199 199 199 199

n/a n/a 145 145 145 145 145 145 145 145

1 1 199 199 197 186 169 148 122 93.6

145 143 136 124 109 91.8 74.2 56.2

66 2990 220 220 220 220 220 220 220 220

n/a n/a 164 164 164 164 164 164 164 164

1 1 220 220 220 210 192 168 139 108

164 162 154 141 125 105 85.3 64.8

68.3 3090 226 226 226 226 226 226 226 226

n/a n/a 169 169 169 169 169 169 169 169

1 1 226 226 226 217 198 174 144 111

169 167 159 145 129 109 88.1 66.9

BS 5950-1: 2000 AXIAL LOAD & BENDING

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

COLD-FORMED   HYBOX 355

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   5.0 Mcx

Mcy

Mrx

Mry

   6.0 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

   12.0 Mcx

Mcy

Mrx

Mry

   12.5 Mcx

Mcy

Mrx

Mry

Page 284: Steel Section Capacities BS 5950 Spreadsheet

BS EN 10219-2: 1997

RECTANGULAR HOLLOW SECTIONS <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

300x100 35.8 1620 135 135 135 135 128 116 52.9 52.9

0.527*

45.4 45.4 45.4 45.4 45.4 45.4 45.4 45.4

0.262 135 135 135 - - - - -

- - - - - - - -

46.5 2100 170 170 170 170 170 170 170 170

0.922*

71 71 71 71 71 71 71 71

0.629 170 170 170 168 155 137 116 -

- - - - - - - -

57 2580 202 202 202 202 202 202 202 202

n/a 1 100 100 100 100 100 100 100 100

1 0 202 202 202 202 187 166 140 109

- - - - - - - -

66 2990 222 222 222 222 222 222 222 222

n/a n/a 114 114 114 114 114 114 114 114

1 1 222 222 222 222 210 187 158 124

114 111 103 93.8 81.7 69.2 56.2 42.8

68.3 3090 227 227 227 227 227 227 227 227

n/a n/a 117 117 117 117 117 117 117 117

1 1 227 227 227 227 217 193 163 128

117 114 106 96.6 84.2 71.4 58 44.2

300x200 45.2 2040 186 186 186 186 186 177 81.7 81.7

0.527*

111 111 111 111 111 111 111 111

0 - - - - - - - -

- - - - - - - -

59.1 2670 267 267 267 267 267 267 260 257

0.922*

173 173 173 173 173 173 173 173

0.495 267 266 256 241 219 - - -

- - - - - - - -

72.7 3290 321 321 321 321 321 321 321 321

n/a 1 245 245 245 245 245 245 245 245

1 0 321 321 312 293 266 232 190 144

- - - - - - - -

84.8 3830 363 363 363 363 363 363 363 363

n/a n/a 284 284 284 284 284 284 284 284

1 1 363 363 359 337 307 268 221 168

284 280 267 246 217 183 148 112

88 3980 374 374 374 374 374 374 374 374

n/a n/a 294 294 294 294 294 294 294 294

1 1 374 374 369 347 316 276 227 174

COLD-FORMED   HYBOX 355

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   6.0 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

   12.0 Mcx

Mcy

Mrx

Mry

   12.5 Mcx

Mcy

Mrx

Mry

   6.0 Mcx

Mcy

Mrx

Mry

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

   12.0 Mcx

Mcy

Mrx

Mry

   12.5 Mcx

Mcy

Mrx

Page 285: Steel Section Capacities BS 5950 Spreadsheet

294 289 276 254 225 189 153 116

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

RECTANGULAR HOLLOW SECTIONS <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial

per Load Semi-Compact for

D x B t Metre Capacity Compact

Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

mm mm kg kN x-x y-y

400x200 71.6 3240 404 404 404 395 368 343 158 158

0.527*

179 179 179 179 179 179 179 179

0.233 404 404 397 - - - - -

- - - - - - - -

88.4 4010 490 490 490 490 490 490 466 448

0.82*

256 256 256 256 256 256 256 256

0.471 490 490 485 457 417 - - -

- - - - - - - -

104 4690 558 558 558 558 558 558 558 558

n/a 1 335 335 335 335 335 335 335 335

1 0 558 558 558 531 486 428 357 274

- - - - - - - -

108 4860 579 579 579 579 579 579 579 579

n/a 1 356 356 356 356 356 356 356 356

1 0 579 579 579 547 500 440 367 284

- - - - - - - -

Mry

COLD-FORMED   HYBOX 355

F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M

 Designation

Ratios of Axial Load to Axial Load Capacity F/Pz

Pz = Agpy F/Pz

   8.0 Mcx

Mcy

Mrx

Mry

   10.0 Mcx

Mcy

Mrx

Mry

   12.0 Mcx

Mcy

Mrx

Mry

   12.5 Mcx

Mcy

Mrx

Mry

Page 286: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5 4

mm mm

1.43 1.43 1.43 50x25 1 69.8 47.5 31.4 21.7 15.7 11.9 9.29

0.93 0.93 0.93 39 20.3 12.1 8.01 5.68 4.23 3.28

0.475 0.24 0 1 1.43 1.43 1.43 1.43 1.37 1.32 1.28

0.238 0.12 0

1.68 1.68 1.68 1 84.2 56.6 37.2 25.7 18.6 14 11

1.11 1.11 1.11 46.3 23.9 14.3 9.42 6.68 4.98 3.85

0.575 0.292 0 1 1.68 1.68 1.68 1.68 1.64 1.58 1.53

0.288 0.146 0

1.9 1.9 1.9 1 97.3 64.8 42.4 29.1 21.1 15.9 12.4

1.25 1.25 1.25 52.4 26.9 16 10.6 7.49 5.58 4.32

0.669 0.341 0 1 1.9 1.9 1.9 1.9 1.87 1.8 1.74

0.335 0.171 0

1.62 1.62 1.62 50x30 1 76.3 52.8 35.2 24.4 17.8 13.4 10.5

1.18 1.18 1.18 53.3 29.6 18 12 8.57 6.41 4.97

0.511 0.258 0 1 1.62 1.62 1.62 1.62 1.62 1.62 1.62

0.307 0.155 0

1.93 1.93 1.93 1 92.2 63.1 41.9 29 21 15.9 12.4

1.41 1.41 1.41 63.8 35.1 21.4 14.2 10.1 7.58 5.88

0.621 0.314 0 1 1.93 1.93 1.93 1.93 1.93 1.93 1.93

0.373 0.189 0

2.19 2.19 2.19 1 107 73 48.3 33.3 24.2 18.3 14.3

1.62 1.62 1.62 72.4 39.5 23.9 15.9 11.3 8.47 6.57

0.724 0.368 0 1 2.19 2.19 2.19 2.19 2.19 2.19 2.19

0.435 0.221 0

2.6 2.6 2.6 1 133 88.7 58 39.9 28.9 21.8 17

1.9 1.9 1.9 88 47.3 28.5 19 13.5 10.1 7.8

0.911 0.465 0 1 2.6 2.6 2.6 2.6 2.6 2.6 2.6

0.548 0.279 0

2.91 2.91 2.91 60x30 1 134 100 70.5 50.1 36.8 28.1 22

1.91 1.91 1.91 85.5 47 28.6 19.1 13.6 10.2 7.88

0.994 0.505 0 1 2.91 2.91 2.91 2.91 2.91 2.84 2.76

0.498 0.253 0

3.51 3.51 3.51 1 169 125 86.4 61 44.7 34 26.7

2.29 2.29 2.29 103 56 33.9 22.5 16 12 9.28

1.26 0.642 0 1 3.51 3.51 3.51 3.51 3.51 3.49 3.39

0.631 0.321 0

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   2.0 Pcx

   pyZx = 1.19 Pcy

   pyZy = 0.799 Mb

   2.5 Pcx

   pyZx = 1.4 Pcy

   pyZy = 0.93 Mb

   3.0 Pcx

   pyZx = 1.59 Pcy

   pyZy = 1.04 Mb

   2.0 Pcx

   pyZx = 1.35 Pcy

   pyZy = 1.02 Mb

   2.5 Pcx

   pyZx = 1.6 Pcy

   pyZy = 1.2 Mb

   3.0 Pcx

   pyZx = 1.82 Pcy

   pyZy = 1.35 Mb

   4.0 Pcx

   pyZx = 2.17 Pcy

   pyZy = 1.58 Mb

   3.0 Pcx

   pyZx = 2.42 Pcy

   pyZy = 1.61 Mb

   4.0 Pcx

   pyZx = 2.92 Pcy

   pyZy = 1.91 Mb

Page 287: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5 4

mm mm

3.14 3.14 3.14 60x40 1 132 102 73.2 52.7 39 29.9 23.5

2.43 2.43 2.43 110 70.7 45.5 31.1 22.4 16.9 13.2

0.958 0.484 0 1 3.14 3.14 3.14 3.14 3.14 3.14 3.14

0.639 0.323 0

3.6 3.6 3.6 1 154 119 85.3 61.2 45.3 34.6 27.3

2.82 2.82 2.82 128 81.8 52.5 35.8 25.8 19.5 15.2

1.12 0.569 0 1 3.6 3.6 3.6 3.6 3.6 3.6 3.6

0.75 0.38 0

4.39 4.39 4.39 1 196 149 105 75.2 55.5 42.3 33.3

3.47 3.47 3.47 160 100 64 43.5 31.3 23.5 18.3

1.43 0.728 0 1 4.39 4.39 4.39 4.39 4.39 4.39 4.39

0.956 0.486 0

5.03 5.03 5.03 1 233 174 123 87 64 48.8 38.3

3.92 3.92 3.92 187 115 72.8 49.3 35.4 26.6 20.7

1.71 0.873 0 1 5.03 5.03 5.03 5.03 5.03 5.03 5.03

1.14 0.582 0

4.56 4.56 4.56 70x40 1 181 148 113 83.9 63.3 48.9 38.7

3.21 3.21 3.21 144 93.3 60.2 41.1 29.7 22.4 17.4

1.46 0.738 0 1 4.56 4.56 4.56 4.56 4.56 4.56 4.56

0.834 0.422 0

5.58 5.58 5.58 1 231 188 142 105 79 60.9 48.2

4.01 4.01 4.01 182 115 73.7 50.2 36.1 27.2 21.2

1.87 0.948 0 1 5.58 5.58 5.58 5.58 5.58 5.58 5.58

1.07 0.542 0

5.37 5.37 5.37 70x50 1 201 167 129 97.2 73.7 57.2 45.4

4.33 4.33 4.33 181 133 92.2 65 47.7 36.2 28.4

1.61 0.813 0 1 5.37 5.37 5.37 5.37 5.37 5.37 5.37

1.15 0.581 0

6.65 6.65 6.65 1 258 213 163 122 92.4 71.5 56.7

5.47 5.47 5.47 232 167 115 80.6 59 44.8 35.1

2.07 1.05 0 1 6.65 6.65 6.65 6.65 6.65 6.65 6.65

1.48 0.749 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   2.5 Pcx

   pyZx = 2.61 Pcy

   pyZy = 2.08 Mb

   3.0 Pcx

   pyZx = 3 Pcy

   pyZy = 2.39 Mb

   4.0 Pcx

   pyZx = 3.66 Pcy

   pyZy = 2.89 Mb

   5.0 Pcx

   pyZx = 4.19 Pcy

   pyZy = 3.27 Mb

   3.0 Pcx

   pyZx = 3.8 Pcy

   pyZy = 2.75 Mb

   4.0 Pcx

   pyZx = 4.65 Pcy

   pyZy = 3.35 Mb

   3.0 Pcx

   pyZx = 4.47 Pcy

   pyZy = 3.69 Mb

   4.0 Pcx

   pyZx = 5.54 Pcy

   pyZy = 4.58 Mb

COLD-FORMED   HYBOX 355

Page 288: Steel Section Capacities BS 5950 Spreadsheet

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5 4

mm mm

5.58 5.58 5.58 80x40 1 206 176 141 109 84.2 65.9 52.6

3.62 3.62 3.62 160 104 67.6 46.2 33.4 25.2 19.6

1.84 0.928 0 1 5.58 5.58 5.58 5.58 5.58 5.58 5.58

0.918 0.464 0

6.9 6.9 6.9 1 265 224 179 137 105 82.3 65.6

4.54 4.54 4.54 203 130 83.9 57.3 41.3 31.1 24.2

2.36 1.2 0 1 6.9 6.9 6.9 6.9 6.9 6.9 6.9

1.18 0.599 0

8.01 8.01 8.01 1 320 269 212 162 124 96.5 76.8

5.24 5.24 5.24 241 152 96.8 65.8 47.4 35.7 27.8

2.84 1.45 0 1 8.01 8.01 8.01 8.01 8.01 8.01 8.01

1.43 0.726 0

6.52 6.52 6.52 80x50 1 227 195 159 125 96.8 76.1 61

4.83 4.83 4.83 199 147 103 72.7 53.4 40.6 31.9

2.01 1.01 0 1 6.52 6.52 6.52 6.52 6.52 6.52 6.52

1.26 0.634 0

8.14 8.14 8.14 1 293 251 203 158 122 96 76.8

6.11 6.11 6.11 256 187 129 91.2 66.8 50.8 39.9

2.59 1.31 0 1 8.14 8.14 8.14 8.14 8.14 8.14 8.14

1.62 0.82 0

9.5 9.5 9.5 1 355 302 243 187 144 113 90.2

7.2 7.2 7.2 308 222 152 107 77.9 59.2 46.4

3.14 1.59 0 1 9.5 9.5 9.5 9.5 9.5 9.5 9.5

1.96 0.996 0

7.46 7.46 7.46 80x60 1 247 215 177 140 110 86.6 69.5

6.18 6.18 6.18 232 187 140 103 77.4 59.7 47.2

2.18 1.1 0 1 7.46 7.46 7.46 7.46 7.46 7.46 7.46

1.64 0.825 0

9.37 9.37 9.37 1 318 275 225 177 138 108 86.9

7.85 7.85 7.85 298 238 177 129 96.7 74.4 58.7

2.8 1.42 0 1 9.37 9.37 9.37 9.37 9.37 9.37 9.37

2.1 1.06 0

11 11 11 1 389 335 272 212 165 129 104

9.33 9.33 9.33 363 288 212 155 115 88.6 69.9

3.42 1.74 0 1 11 11 11 11 11 11 11

2.57 1.3 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   3.0 Pcx

   pyZx = 4.65 Pcy

   pyZy = 3.12 Mb

   4.0 Pcx

   pyZx = 5.75 Pcy

   pyZy = 3.8 Mb

   5.0 Pcx

   pyZx = 6.67 Pcy

   pyZy = 4.37 Mb

   3.0 Pcx

   pyZx = 5.43 Pcy

   pyZy = 4.19 Mb

   4.0 Pcx

   pyZx = 6.78 Pcy

   pyZy = 5.18 Mb

   5.0 Pcx

   pyZx = 7.92 Pcy

   pyZy = 6 Mb

   3.0 Pcx

   pyZx = 6.21 Pcy

   pyZy = 5.33 Mb

   4.0 Pcx

   pyZx = 7.81 Pcy

   pyZy = 6.64 Mb

   5.0 Pcx

   pyZx = 9.16 Pcy

   pyZy = 7.77 Mb

COLD-FORMED   HYBOX 355

Page 289: Steel Section Capacities BS 5950 Spreadsheet

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5 4

mm mm

7.75 7.75 7.75 90x50 1 252 223 189 153 122 97.7 79

5.28 5.28 5.28 217 162 114 80.6 59.3 45.2 35.5

2.45 1.24 0 1 7.75 7.75 7.75 7.75 7.75 7.75 7.75

- - -

8.78 8.78 8.78 1 289 255 216 175 139 111 89.6

6.07 6.07 6.07 249 185 129 91.3 67.1 51.1 40.1

2.81 1.42 0 1 8.78 8.78 8.78 8.78 8.78 8.78 8.78

1.56 0.79 0

9.71 9.71 9.71 1 324 285 240 194 154 123 99.1

6.78 6.78 6.78 278 204 142 100 73.5 55.9 43.8

3.15 1.59 0 1 9.71 9.71 9.71 9.71 9.71 9.71 9.71

1.75 0.886 0

11.4 11.4 11.4 1 396 347 291 233 184 146 118

8.05 8.05 8.05 338 246 169 119 87.1 66.2 51.9

3.84 1.95 0 1 11.4 11.4 11.4 11.4 11.4 11.4 11.4

2.14 1.08 0

7.88 7.88 7.88 100x40 1 255 228 197 163 132 107 87.1

4.03 4.03 4.03 193 127 83.1 57 41.2 31.1 24.3

2.71 1.37 0 1 7.88 7.88 7.88 7.88 7.88 7.88 7.25

- - -

9.84 9.84 9.84 1 328 293 251 207 167 135 109

5.57 5.57 5.57 244 158 102 69.9 50.5 38 29.7

3.48 1.77 0 1 9.84 9.84 9.84 9.84 9.84 9.48 9.17

1.4 0.708 0

11.5 11.5 11.5 1 401 357 304 249 200 160 130

6.56 6.56 6.56 294 188 120 82.1 59.2 44.6 34.8

4.25 2.16 0 1 11.5 11.5 11.5 11.5 11.5 11.2 10.9

1.7 0.866 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   3.0 Pcx

   pyZx = 6.46 Pcy

   pyZy = 4.65 Mb

   3.5 Pcx

   pyZx = 7.31 Pcy

   pyZy = 5.25 Mb

   4.0 Pcx

   pyZx = 8.09 Pcy

   pyZy = 5.79 Mb

   5.0 Pcx

   pyZx = 9.51 Pcy

   pyZy = 6.71 Mb

   3.0 Pcx

   pyZx = 6.57 Pcy

   pyZy = 3.83 Mb

   4.0 Pcx

   pyZx = 8.2 Pcy

   pyZy = 4.72 Mb

   5.0 Pcx

   pyZx = 9.62 Pcy

   pyZy = 5.47 Mb

COLD-FORMED   HYBOX 355

Page 290: Steel Section Capacities BS 5950 Spreadsheet

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5 4

mm mm

9.07 9.07 9.07 100x50 1 276 249 217 182 149 121 99

5.36 5.36 5.36 235 176 124 88.2 64.9 49.5 38.9

2.93 1.48 0 1 9.07 9.07 9.07 9.07 9.07 9.07 9.07

- - -

11.4 11.4 11.4 1 357 320 278 232 189 153 125

7.42 7.42 7.42 302 224 156 111 81.4 62 48.6

3.78 1.91 0 1 11.4 11.4 11.4 11.4 11.4 11.4 11.4

1.89 0.956 0

13.5 13.5 13.5 1 437 391 338 280 227 184 149

8.88 8.88 8.88 367 268 185 131 95.8 72.8 57.1

4.62 2.34 0 1 13.5 13.5 13.5 13.5 13.5 13.5 13.5

2.31 1.17 0

15.3 15.3 15.3 1 507 452 388 320 259 208 169

10 10 10 422 306 210 147 108 81.7 64

5.34 2.72 0 1 15.3 15.3 15.3 15.3 15.3 15.3 15.3

2.68 1.36 0

10.3 10.3 10.3 100x60 1 297 269 236 200 165 135 111

6.78 6.78 6.78 270 220 167 124 93 71.8 56.9

3.15 1.59 0 1 10.3 10.3 10.3 10.3 10.3 10.3 10.3

- - -

11.7 11.7 11.7 1 342 310 271 229 189 154 126

8.45 8.45 8.45 310 252 190 141 106 81.7 64.7

3.62 1.83 0 1 11.7 11.7 11.7 11.7 11.7 11.7 11.7

2.18 1.1 0

13 13 13 1 385 347 304 256 210 171 140

9.44 9.44 9.44 348 282 212 157 118 90.7 71.7

4.07 2.06 0 1 13 13 13 13 13 13 13

2.44 1.23 0

15.4 15.4 15.4 1 472 425 370 311 254 206 169

11.3 11.3 11.3 426 341 255 187 140 108 85

4.98 2.52 0 1 15.4 15.4 15.4 15.4 15.4 15.4 15.4

2.99 1.51 0

17.5 17.5 17.5 1 549 493 427 356 290 235 192

13 13 13 493 392 291 212 159 122 96.2

5.78 2.94 0 1 17.5 17.5 17.5 17.5 17.5 17.5 17.5

3.47 1.76 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   3.0 Pcx

   pyZx = 7.56 Pcy

   pyZy = 5.11 Mb

   4.0 Pcx

   pyZx = 9.51 Pcy

   pyZy = 6.39 Mb

   5.0 Pcx

   pyZx = 11.2 Pcy

   pyZy = 7.46 Mb

   6.0 Pcx

   pyZx = 12.7 Pcy

   pyZy = 8.34 Mb

   3.0 Pcx

   pyZx = 8.56 Pcy

   pyZy = 6.46 Mb

   3.5 Pcx

   pyZx = 9.73 Pcy

   pyZy = 7.31 Mb

   4.0 Pcx

   pyZx = 10.8 Pcy

   pyZy = 8.13 Mb

   5.0 Pcx

   pyZx = 12.9 Pcy

   pyZy = 9.55 Mb

   6.0 Pcx

   pyZx = 14.6 Pcy

   pyZy = 10.8 Mb

COLD-FORMED   HYBOX 355

Page 291: Steel Section Capacities BS 5950 Spreadsheet

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5 4

mm mm

12.6 12.6 12.6 100x80 1 339 309 274 235 196 162 134

9.87 9.87 9.87 328 290 245 199 158 126 102

3.57 1.8 0 1 12.6 12.6 12.6 12.6 12.6 12.6 12.6

- - -

16.1 16.1 16.1 1 441 401 355 303 252 208 171

13.9 13.9 13.9 426 375 316 255 202 161 130

4.64 2.34 0 1 16.1 16.1 16.1 16.1 16.1 16.1 16.1

3.71 1.87 0

19.3 19.3 19.3 1 542 492 434 369 306 251 207

16.8 16.8 16.8 524 460 384 308 244 194 156

5.69 2.88 0 1 19.3 19.3 19.3 19.3 19.3 19.3 19.3

4.56 2.3 0

9.04 6.79 $ 120x40 0.82 302 278 249 218 185 155 129

4.17 4.17 $ 224 149 98 67.1 48.6 36.7 28.6

- - - 0.82 8.77 8.77 8.77 8.77 7.96 7.69 7.44

- - - 0.532 10.5 10.5 10.5 10.5 9.76 9.35 8.95

13.2 13.2 13.2 1 391 359 321 279 236 197 164

6.5 6.5 6.5 286 188 122 83.6 60.4 45.6 35.6

4.85 2.46 0 1 13.2 13.2 13.2 13.2 12.4 11.8 11.3

- - -

15.7 15.7 15.7 1 480 439 392 339 285 237 196

7.81 7.81 7.81 344 222 143 97.5 70.3 53 41.3

5.92 3.01 0 1 15.7 15.7 15.7 15.7 14.7 14 13.4

1.98 1.01 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5 4

mm mm

11.5 8.66 $ 120x60 0.82 345 319 290 257 222 188 159

6.99 6.99 $ 307 252 193 144 109 84.2 66.7

- - - 0.82 11.2 11.2 11.2 11.2 11.2 11.2 11.2

- - - 0.47 13.4 13.4 13.4 13.4 13.4 13.4 13.4

15.3 15.3 15.3 1 399 369 335 296 256 217 182

8.91 8.91 8.91 355 290 221 165 124 96 76.1

4.94 2.49 0 1 15.3 15.3 15.3 15.3 15.3 15.3 15.3

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

   3.0 Pcx

   pyZx = 10.6 Pcy

   pyZy = 9.37 Mb

   4.0 Pcx

   pyZx = 13.5 Pcy

   pyZy = 11.9 Mb

   5.0 Pcx

   pyZx = 16 Pcy

   pyZy = 14.2 Mb

 § 3.0 Pcx

   pyZx = 8.77 Pcy

   pyZy = 4.58 Mb

Mb

   4.0 Pcx

   pyZx = 11 Pcy

   pyZy = 5.64 Mb

   5.0 Pcx

   pyZx = 13.1 Pcy

   pyZy = 6.57 Mb

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

 § 3.0 Pcx

   pyZx = 11.2 Pcy

   pyZy = 7.63 Mb

Mb

   3.5 Pcx

   pyZx = 12.7 Pcy

   pyZy = 8.66 Mb

Page 292: Steel Section Capacities BS 5950 Spreadsheet

- - -

17.1 17.1 17.1 1 449 415 376 332 286 242 204

10.9 10.9 10.9 399 325 247 184 138 107 84.5

5.55 2.8 0 1 17.1 17.1 17.1 17.1 17.1 17.1 17.1

- - -

20.4 20.4 20.4 1 553 510 461 406 348 294 246

13.3 13.3 13.3 488 395 297 220 165 127 101

6.81 3.45 0 1 20.4 20.4 20.4 20.4 20.4 20.4 20.4

3.41 1.73 0

23.3 23.3 23.3 1 646 595 536 470 402 338 282

15.3 15.3 15.3 568 456 341 251 188 145 114

7.94 4.03 0 1 23.3 23.3 23.3 23.3 23.3 23.3 23.3

3.97 2.02 0

13.9 10.6 $ 120x80 0.82 388 361 330 295 258 221 188

10.1 10.1 $ 368 327 278 228 182 146 118

- - - 0.82 13.6 13.6 13.6 13.6 13.6 13.6 13.6

- - - 0.42 16.4 16.4 16.4 16.4 16.4 16.4 16.4

20.9 20.9 20.9 1 506 470 429 383 334 286 242

15.9 15.9 15.9 480 425 360 293 233 186 151

6.24 3.15 0 1 20.9 20.9 20.9 20.9 20.9 20.9 20.9

- - -

25.1 25.1 25.1 1 624 579 528 470 408 348 294

19.4 19.4 19.4 591 522 440 356 283 226 182

7.68 3.88 0 1 25.1 25.1 25.1 25.1 25.1 25.1 25.1

5.12 2.59 0

28.8 28.8 28.8 1 731 677 616 547 473 402 339

22.5 22.5 22.5 691 608 510 411 325 259 209

8.98 4.54 0 1 28.8 28.8 28.8 28.8 28.8 28.8 28.8

5.99 3.03 0

33.8 33.8 33.8 1 916 845 764 672 576 485 407

26.8 26.8 26.8 864 753 624 496 389 308 248

11.2 5.7 0 1 33.8 33.8 33.8 33.8 33.8 33.8 33.8

7.49 3.8 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5 4

mm mm

9.28 $ $ 140x80 0.609 436 411 383 352 317 281 246

10.3 $ $ 409 364 312 256 206 166 135

- - - 0.609 17 17 17 17 17 17 17

   4.0 Pcx

   pyZx = 14.2 Pcy

   pyZy = 9.62 Mb

   5.0 Pcx

   pyZx = 17 Pcy

   pyZy = 11.4 Mb

   6.0 Pcx

   pyZx = 19.4 Pcy

   pyZy = 12.9 Mb

 § 3.0 Pcx

   pyZx = 13.6 Pcy

   pyZy = 11 Mb

Mb

   4.0 Pcx

   pyZx = 17.4 Pcy

   pyZy = 14 Mb

   5.0 Pcx

   pyZx = 20.9 Pcy

   pyZy = 16.6 Mb

   6.0 Pcx

   pyZx = 24 Pcy

   pyZy = 19.1 Mb

   8.0 Pcx

   pyZx = 28.2 Pcy

   pyZy = 22.3 Mb

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

 § 3.0 Pcx

   pyZx = 17 Pcy

   pyZy = 12.5 Mb

Page 293: Steel Section Capacities BS 5950 Spreadsheet

- - - 0.285 20.4 20.4 20.4 20.4 20.4 20.4 20.4

26.2 26.2 26.2 1 571 537 500 458 412 365 318

16.2 16.2 16.2 533 474 404 330 265 212 172

8.07 4.07 0 1 26.2 26.2 26.2 26.2 26.2 26.2 26.2

- - -

31.5 31.5 31.5 1 705 662 615 563 506 446 388

22.1 22.1 22.1 658 583 495 403 322 258 209

9.94 5.02 0 1 31.5 31.5 31.5 31.5 31.5 31.5 31.5

5.68 2.87 0

36.3 36.3 36.3 1 828 777 721 659 590 519 450

25.7 25.7 25.7 771 681 575 466 371 296 239

11.7 5.89 0 1 36.3 36.3 36.3 36.3 36.3 36.3 36.3

6.66 3.37 0

43 43 43 1 1040 977 904 820 729 636 548

31.2 31.2 31.2 970 849 709 568 448 355 286

14.7 7.44 0 1 43 43 43 43 43 43 43

8.39 4.25 0

49 49 49 1 1250 1170 1080 973 859 745 638

35.2 35.2 35.2 1160 1010 833 660 517 408 328

17.5 8.93 0 1 49 49 49 49 49 49 49

10 5.11 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5 4

mm mm

31.7 29.4 $ 150x100 0.922 660 625 588 547 501 452 402

21.9 21.9 $ 635 584 526 461 393 329 275

- - - 0.922 28.2 28.2 28.2 28.2 28.2 28.2 28.2

- - - 0.493 33.8 33.8 33.8 33.8 33.8 33.8 33.8

40.9 40.9 40.9 1 817 773 726 674 617 556 493

31.1 31.1 31.1 785 721 648 565 480 401 335

12.3 6.18 0 1 40.9 40.9 40.9 40.9 40.9 40.9 40.9

- - -

47.3 47.3 47.3 1 962 910 855 793 724 651 577

36.6 36.6 36.6 924 848 760 661 560 467 389

14.4 7.28 0 1 47.3 47.3 47.3 47.3 47.3 47.3 47.3

9.61 4.85 0

57.1 57.1 57.1 1 1220 1160 1080 999 908 811 715

45.4 45.4 45.4 1170 1070 956 825 693 575 476

18.3 9.25 0 1 57.1 57.1 57.1 57.1 57.1 57.1 57.1

Mb

   4.0 Pcx

   pyZx = 21.8 Pcy

   pyZy = 16 Mb

   5.0 Pcx

   pyZx = 26.2 Pcy

   pyZy = 19.2 Mb

   6.0 Pcx

   pyZx = 30.3 Pcy

   pyZy = 22 Mb

   8.0 Pcx

   pyZx = 35.9 Pcy

   pyZy = 26 Mb

   10.0 Pcx

   pyZx = 40.8 Pcy

   pyZy = 29.3 Mb

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

 § 4.0 Pcx

   pyZx = 28.2 Pcy

   pyZy = 22.6 Mb

Mb

   5.0 Pcx

   pyZx = 34.0 Pcy

   pyZy = 27.3 Mb

   6.0 Pcx

   pyZx = 39.4 Pcy

   pyZy = 31.5 Mb

   8.0 Pcx

   pyZx = 47.6 Pcy

   pyZy = 38.0 Mb

Page 294: Steel Section Capacities BS 5950 Spreadsheet

12.2 6.17 0

66 66 66 1 1480 1390 1300 1200 1080 961 843

52.4 52.4 52.4 1410 1290 1140 977 815 672 555

22 11.2 0 1 66 66 66 66 66 66 66

14.7 7.45 0

38.4 38.4 38.4 160x80 1 784 743 700 652 599 542 483

23.4 23.4 23.4 724 643 548 449 360 288 234

12.5 6.3 0 1 38.4 38.4 38.4 38.4 38.4 38.4 38.4

- - -

44.7 44.7 44.7 1 923 874 822 765 701 633 564

28.9 28.9 28.9 851 754 640 522 417 333 270

14.7 7.41 0 1 44.7 44.7 44.7 44.7 44.7 44.7 44.7

7.34 3.71 0

53.3 53.3 53.3 1 1170 1110 1040 962 878 788 697

35.5 35.5 35.5 1080 947 796 641 508 405 326

18.5 9.4 0 1 53.3 53.3 53.3 53.3 53.3 53.3 53.3

9.28 4.71 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 1 1.5 2 2.5 3 3.5 4

mm mm

18.8 $ $ 180x80 0.655 697 665 632 596 557 515 469

16.8 $ $ 640 572 491 406 328 264 215

- - - 0.655 31.6 31.6 31.6 31.6 31.6 31.6 31.6

- - - 0.351 38 38 38 38 38 38 38

46 46 $ 0.991 862 823 781 736 687 634 577

24 24 $ 791 704 602 495 398 320 259

- - - 0.991 38.3 38.3 38.3 38.3 38.3 38.3 38.3

- - - 0.627 46 46 46 46 46 46 46

53.3 53.3 53.3 1 1020 970 920 867 808 744 676

31.7 31.7 31.7 931 827 705 577 462 371 300

18 9.1 0 1 53.3 53.3 53.3 53.3 53.3 53.3 53.3

- - -

64.3 64.3 64.3 1 1300 1230 1170 1100 1020 933 844

39.4 39.4 39.4 1180 1040 880 713 567 452 365

22.8 11.6 0 1 64.3 64.3 64.3 64.3 64.3 64.3 64.3

10.2 5.16 0

74.1 74.1 74.1 1 1570 1490 1410 1320 1220 1110 1000

45.6 45.6 45.6 1420 1250 1040 833 657 521 420

27.5 14 0 1 74.1 74.1 74.1 74.1 74.1 74.1 74.1

   10.0 Pcx

   pyZx = 55.0 Pcy

   pyZy = 43.7 Mb

   5.0 Pcx

   pyZx = 32.0 Pcy

   pyZy = 21.7 Mb

   6.0 Pcx

   pyZx = 37.3 Pcy

   pyZy = 24.9 Mb

   8.0 Pcx

   pyZx = 44.4 Pcy

   pyZy = 29.7 Mb

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

 § 4.0 Pcx

   pyZx = 31.6 Pcy

   pyZy = 20.1 Mb

Mb

 § 5.0 Pcx

   pyZx = 38.3 Pcy

   pyZy = 24.2 Mb

Mb

   6.0 Pcx

   pyZx = 44.4 Pcy

   pyZy = 27.9 Mb

   8.0 Pcx

   pyZx = 53.6 Pcy

   pyZy = 33.4 Mb

   10.0 Pcx

   pyZx = 61.8 Pcy

   pyZy = 38.0 Mb

Page 295: Steel Section Capacities BS 5950 Spreadsheet

12.3 6.23 0

21.7 $ $ 180x100 0.655 756 723 688 652 611 567 521

22.4 $ $ 718 662 598 526 451 380 319

- - - 0.655 36.6 36.6 36.6 36.6 36.6 36.6 36.6

- - - 0.325 43.9 43.9 43.9 43.9 43.9 43.9 43.9

53.3 53.3 $ 0.991 936 895 852 805 755 700 641

32 32 $ 888 818 738 648 554 466 390

- - - 0.991 44.4 44.4 44.4 44.4 44.4 44.4 44.4

- - - 0.58 53.3 53.3 53.3 53.3 53.3 53.3 53.3

62.2 62.2 62.2 1 1110 1060 1000 950 889 823 753

42.2 42.2 42.2 1050 964 868 760 648 544 454

19.6 9.88 0 1 62.2 62.2 62.2 62.2 62.2 62.2 62.2

- - -

75.8 75.8 75.8 1 1410 1350 1280 1210 1130 1040 947

53.3 53.3 53.3 1340 1230 1100 955 808 673 560

24.9 12.6 0 1 75.8 75.8 75.8 75.8 75.8 75.8 75.8

13.9 7.02 0

88.2 88.2 88.2 1 1710 1630 1550 1460 1360 1250 1130

62.6 62.6 62.6 1620 1480 1320 1140 955 791 655

30.1 15.3 0 1 88.2 88.2 88.2 88.2 88.2 88.2 88.2

16.8 8.5 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 2 3 4 5 6 7 8

mm mm

20 $ $ 200x100 0.527 813 787 753 718 681 640 596

22.7 $ $ 773 714 647 571 491 415 348

- - - 0.527 42.6 42.6 42.6 42.6 42.6 42.6 42.6

- - - 0.232 51.1 51.1 51.1 51.1 51.1 51.1 51.1

53.1 40.2 $ 0.82 1010 974 933 889 842 790 735

32.4 32.4 $ 957 883 798 703 603 508 426

- - - 0.82 51.8 51.8 51.8 51.8 51.8 51.8 51.8

- - - 0.468 62.2 62.2 62.2 62.2 62.2 62.2 62.2

72.4 72.4 72.4 1 1190 1150 1100 1050 993 932 866

42.9 42.9 42.9 1130 1040 939 825 705 593 496

23.4 11.8 0 1 72.4 72.4 72.4 72.4 72.4 72.4 72.4

- - -

89 89 89 1 1530 1480 1410 1340 1270 1180 1100

58.6 58.6 58.6 1450 1330 1190 1040 884 739 616

30 15.2 0 1 89 89 89 89 89 89 89

 § 4.0 Pcx

   pyZx = 36.6 Pcy

   pyZy = 26.6 Mb

Mb

 § 5.0 Pcx

   pyZx = 44.4 Pcy

   pyZy = 32.1 Mb

Mb

   6.0 Pcx

   pyZx = 51.8 Pcy

   pyZy = 37.3 Mb

   8.0 Pcx

   pyZx = 63.2 Pcy

   pyZy = 45.1 Mb

   10.0 Pcx

   pyZx = 73.5 Pcy

   pyZy = 52.2 Mb

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

 § 4.0 Pcx

   pyZx = 42.6 Pcy

   pyZy = 29.2 Mb

Mb

 § 5.0 Pcx

   pyZx = 51.8 Pcy

   pyZy = 35.3 Mb

Mb

   6.0 Pcx

   pyZx = 60.4 Pcy

   pyZy = 40.8 Mb

   8.0 Pcx

   pyZx = 74.2 Pcy

   pyZy = 50.1 Mb

Page 296: Steel Section Capacities BS 5950 Spreadsheet

15 7.58 0

104 104 104 1 1870 1790 1710 1620 1530 1430 1320

69.2 69.2 69.2 1760 1610 1440 1240 1050 871 723

36.3 18.4 0 1 104 104 104 104 104 104 104

18.2 9.21 0

22.5 $ $ 200x120 0.527 870 844 810 774 735 693 648

28.7 $ $ 846 794 738 675 606 534 464

- - - 0.527 47.9 47.9 47.9 47.9 47.9 47.9 47.9

- - -

59.9 45.4 $ 0.82 1080 1050 1000 958 910 857 800

40.8 40.8 $ 1050 984 913 834 746 656 569

- - - 0.82 58.6 58.6 58.6 58.6 58.6 58.6 58.6

- - - 0.438 70.3 70.3 70.3 70.3 70.3 70.3 70.3

82.2 82.2 82.2 1 1280 1240 1190 1130 1070 1010 943

54.3 54.3 54.3 1240 1160 1080 983 879 771 667

25.2 12.7 0 1 82.2 82.2 82.2 82.2 82.2 82.2 82.2

- - -

102 102 102 1 1650 1590 1520 1450 1380 1290 1200

74.2 74.2 74.2 1590 1490 1380 1250 1110 971 837

32.3 16.3 0 1 102 102 102 102 102 102 102

19.4 9.78 0

120 120 120 1 2010 1940 1850 1760 1670 1560 1450

88.8 88.8 88.8 1940 1810 1670 1510 1340 1160 995

39.2 19.8 0 1 120 120 120 120 120 120 120

23.5 11.9 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 2 3 4 5 6 7 8

mm mm

26.3 $ $ 200x150 0 894 815 724 622 520 430 355

38.6 $ $ 857 749 624 498 392 311 250

- - - 0 54.6 54.6 54.6 54.6 54.6 54.6 54.6

- - - 0 66.4 66.4 66.4 66.4 66.4 66.4 66.4

69.8 53.1 $ 0.82 1110 1010 896 768 641 529 437

54.8 54.8 $ 1060 927 769 613 482 381 307

- - - 0.82 68.5 68.5 68.5 68.5 68.5 68.5 68.5

- - -

96.2 96.2 96.2 1 1310 1190 1060 904 753 620 511

72.5 72.5 72.5 1260 1090 906 719 564 446 359

27.7 14 0 1 96.2 96.2 96.2 96.2 96.2 96.2 96.2

   10.0 Pcx

   pyZx = 86.6 Pcy

   pyZy = 58.2 Mb

 § 4.0 Pcx

   pyZx = 47.9 Pcy

   pyZy = 36.6 Mb

 § 5.0 Pcx

   pyZx = 58.6 Pcy

   pyZy = 44.4 Mb

Mb

   6.0 Pcx

   pyZx = 68.5 Pcy

   pyZy = 51.8 Mb

   8.0 Pcx

   pyZx = 84.8 Pcy

   pyZy = 63.9 Mb

   10.0 Pcx

   pyZx = 99.8 Pcy

   pyZy = 74.6 Mb

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

 § 4.0 Pcx

   pyZx = 56.1 Pcy

   pyZy = 48.3 Mb

Mb

 § 5.0 Pcx

   pyZx = 68.5 Pcy

   pyZy = 58.9 Mb

   6.0 Pcx

   pyZx = 80.6 Pcy

   pyZy = 68.9 Mb

Page 297: Steel Section Capacities BS 5950 Spreadsheet

- - -

121 121 121 1 1690 1540 1350 1150 954 783 644

100 100 100 1620 1400 1150 910 710 560 449

35.7 18 0 1 121 121 121 121 121 121 121

26.8 13.5 0

143 143 143 1 2060 1870 1640 1390 1140 936 768

120 120 120 1970 1700 1390 1090 847 667 534

43.5 22 0 1 143 143 143 143 143 143 143

32.6 16.5 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 2 3 4 5 6 7 8

mm mm

43.9 $ $ 250x150 0.527 1310 1220 1130 1010 894 773 661

56.2 $ $ 1230 1080 904 726 574 457 368

- - - 0.527 93.7 93.7 93.7 93.7 93.7 93.7 93.7

- - -

77.9 77.9 $ 0.76 1560 1450 1330 1200 1060 912 779

74.9 74.9 $ 1460 1280 1070 856 676 537 432

- - - 0.76 110 110 110 110 110 110 110

- - - 0.394 132 132 132 132 132 132 132

167 167 167 1 2020 1880 1720 1540 1350 1160 991

116 116 116 1880 1640 1370 1090 856 678 545

51.7 26.1 0 1 167 167 167 167 167 167 167

- - -

199 199 199 1 2470 2300 2100 1880 1640 1410 1190

145 145 145 2300 2000 1650 1310 1020 810 650

63.1 31.9 0 1 199 199 199 199 199 199 199

37.9 19.1 0

220 220 220 1 2850 2650 2410 2150 1860 1590 1340

164 164 164 2650 2290 1880 1480 1150 908 728

72.8 36.9 0 1 220 220 220 220 220 220 220

43.7 22.1 0

226 226 226 1 2950 2730 2490 2210 1920 1640 1380

169 169 169 2740 2370 1940 1520 1180 932 746

75.3 38.1 0 1 226 226 226 226 226 226 226

45.2 22.9 0

BS 5950-1: 2000 AXIAL LOAD & BENDING

   8.0 Pcx

   pyZx = 100 Pcy

   pyZy = 85.9 Mb

   10.0 Pcx

   pyZx = 119 Pcy

   pyZy = 102 Mb

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

 § 5.0 Pcx

   pyZx = 93.7 Pcy

   pyZy = 71.4 Mb

 § 6.0 Pcx

   pyZx = 110 Pcy

   pyZy = 83.8 Mb

Mb

   8.0 Pcx

   pyZx = 139 Pcy

   pyZy = 105 Mb

   10.0 Pcx

   pyZx = 165 Pcy

   pyZy = 125 Mb

   12.0 Pcx

   pyZx = 184 Pcy

   pyZy = 138 Mb

   12.5 Pcx

   pyZx = 189 Pcy

   pyZy = 142 Mb

Page 298: Steel Section Capacities BS 5950 Spreadsheet

BS EN 10219-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 2 3 4 5 6 7 8

mm mm

$ $ $ 300x100 0.527 1580 1480 1380 1270 1140 1010 879

$ $ $ 1300 992 710 508 376 287 226

- - - 0.527 113 113 113 113 113 113 101

- - - 0.262 135 135 135 135 135 135 123

168 151 $ 0.922 2040 1920 1780 1630 1460 1280 1120

71 71 $ 1670 1260 892 636 469 358 281

- - - 0.922 142 142 142 142 142 142 127

- - - 0.629 170 170 170 170 170 170 156

202 202 202 1 2500 2350 2180 1990 1780 1560 1350

100 100 100 2020 1510 1060 753 554 422 331

75.2 38.1 0 1 202 202 202 202 202 202 187

- - -

222 222 222 1 2890 2700 2500 2270 2020 1760 1520

114 114 114 2310 1700 1180 834 612 465 365

86.7 44.1 0 1 222 222 222 222 222 218 210

29 14.7 0

227 227 227 1 2990 2790 2580 2340 2080 1810 1560

117 117 117 2380 1750 1210 852 625 475 373

89.6 45.6 0 1 227 227 227 227 227 224 216

30 15.2 0

81.7 $ $ 300x200 0.527 2010 1910 1800 1670 1530 1390 1240

111 $ $ 1940 1790 1610 1410 1210 1020 852

- - - 0.527 174 174 174 174 174 174 174

- - -

251 232 $ 0.922 2630 2490 2340 2180 1990 1800 1600

173 173 $ 2530 2320 2090 1830 1560 1310 1090

- - - 0.922 222 222 222 222 222 222 222

- - - 0.495 267 267 267 267 267 267 267

321 321 321 1 3230 3060 2870 2670 2440 2200 1950

245 245 245 3100 2850 2560 2230 1900 1590 1320

97 48.9 0 1 321 321 321 321 321 321 321

- - -

363 363 363 1 3760 3560 3340 3090 2820 2530 2240

284 284 284 3610 3310 2960 2570 2170 1810 1510

113 57 0 1 363 363 363 363 363 363 363

75.2 38 0

374 374 374 1 3900 3680 3450 3190 2910 2600 2300

294 294 294 3740 3430 3070 2660 2250 1870 1560

117 59 0 1 374 374 374 374 374 374 374

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

 § 6.0 Pcx

   pyZx = 113 Pcy

   pyZy = 59.6 Mb

Mb

 § 8.0 Pcx

   pyZx = 142 Pcy

   pyZy = 74.2 Mb

Mb

   10.0 Pcx

   pyZx = 168 Pcy

   pyZy = 87 Mb

   12.0 Pcx

   pyZx = 185 Pcy

   pyZy = 95.5 Mb

   12.5 Pcx

   pyZx = 190 Pcy

   pyZy = 97.6 Mb

 § 6.0 Pcx

   pyZx = 174 Pcy

   pyZy = 141 Mb

 § 8.0 Pcx

   pyZx = 222 Pcy

   pyZy = 179 Mb

Mb

   10.0 Pcx

   pyZx = 268 Pcy

   pyZy = 215 Mb

   12.0 Pcx

   pyZx = 303 Pcy

   pyZy = 243 Mb

   12.5 Pcx

   pyZx = 312 Pcy

   pyZy = 251 Mb

Page 299: Steel Section Capacities BS 5950 Spreadsheet

78 39.4 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

and Capacities Limit for

D x B t

0.8 0.9 1 2 3 4 5 6 7 8

mm mm

158 $ $ 400x200 0.527 3240 3130 3000 2860 2710 2540 2370

179 $ $ 3080 2840 2570 2270 1950 1650 1390

- - - 0.527 337 337 337 337 337 337 337

- - - 0.233 404 404 404 404 404 404 404

418 316 $ 0.82 4010 3880 3710 3540 3350 3140 2920

256 256 $ 3810 3510 3170 2790 2390 2020 1690

- - - 0.82 408 408 408 408 408 408 408

- - - 0.471 490 490 490 490 490 490 490

558 558 558 1 4690 4520 4320 4110 3890 3640 3380

335 335 335 4440 4090 3680 3230 2760 2310 1930

184 92.9 0 1 558 558 558 558 558 558 558

- - -

579 579 579 1 4860 4690 4490 4270 4040 3780 3510

356 356 356 4600 4240 3820 3340 2850 2390 2000

191 96.4 0 1 579 579 579 579 579 579 579

- - -

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

Le (m)

 § 8.0 Pcx

   pyZx = 337 Pcy

   pyZy = 231 Mb

Mb

 § 10.0 Pcx

   pyZx = 408 Pcy

   pyZy = 279 Mb

Mb

   12.0 Pcx

   pyZx = 465 Pcy

   pyZy = 319 Mb

   12.5 Pcx

   pyZx = 483 Pcy

   pyZy = 329 Mb

Page 300: Steel Section Capacities BS 5950 Spreadsheet

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

5 6 7 8 9 10

6.11 4.32 3.21 2.48 1.98 1.61

2.13 1.49 1.1 0.85 0.675 0.548

1.2 1.12 1.05 0.987 0.928 0.875

7.21 5.1 3.79 2.93 2.33 1.9

2.5 1.75 1.3 0.999 0.792 0.644

1.43 1.34 1.25 1.17 1.1 1.04

8.17 5.77 4.29 3.31 2.64 2.15

2.8 1.96 1.45 1.12 0.887 0.721

1.63 1.52 1.42 1.33 1.25 1.18

6.92 4.89 3.64 2.81 2.24 1.83

3.24 2.28 1.69 1.3 1.03 0.839

1.54 1.48 1.43 1.37 1.32 1.28

8.18 5.79 4.3 3.33 2.65 2.16

3.83 2.69 1.99 1.54 1.22 0.992

1.85 1.78 1.71 1.65 1.59 1.53

9.39 6.64 4.94 3.82 3.04 2.47

4.28 3 2.22 1.71 1.36 1.11

2.13 2.04 1.96 1.89 1.82 1.75

11.2 7.89 5.87 4.53 3.61 2.94

5.08 3.57 2.64 2.03 1.61 1.31

2.59 2.49 2.39 2.3 2.21 2.12

14.6 10.3 7.72 5.97 4.76 3.88

5.13 3.61 2.67 2.06 1.63 1.33

2.61 2.47 2.33 2.21 2.09 1.99

17.6 12.5 9.32 7.21 5.75 4.69

6.04 4.24 3.14 2.42 1.92 1.56

3.19 3.01 2.84 2.69 2.54 2.41

COLD-FORMED   HYBOX 355

, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 301: Steel Section Capacities BS 5950 Spreadsheet

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

5 6 7 8 9 10

15.6 11.1 8.28 6.41 5.11 4.17

8.64 6.1 4.53 3.5 2.78 2.27

3.14 3.14 3.05 2.98 2.91 2.84

18.1 12.8 9.58 7.42 5.92 4.83

9.94 7.01 5.21 4.02 3.2 2.6

3.6 3.6 3.53 3.45 3.37 3.3

22 15.6 11.7 9.04 7.2 5.88

12 8.47 6.29 4.85 3.86 3.14

4.39 4.39 4.39 4.33 4.22 4.13

25.4 18 13.4 10.4 8.27 6.75

13.6 9.56 7.09 5.47 4.35 3.54

5.03 5.03 5.03 5.03 4.91 4.8

25.9 18.5 13.8 10.7 8.57 7

11.4 8.08 6 4.64 3.69 3

4.56 4.36 4.22 4.08 3.96 3.83

32.2 22.9 17.2 13.3 10.6 8.68

13.9 9.8 7.28 5.62 4.47 3.64

5.58 5.44 5.26 5.09 4.93 4.77

30.4 21.7 16.3 12.6 10.1 8.24

18.8 13.3 9.92 7.68 6.12 4.99

5.37 5.37 5.37 5.37 5.31 5.22

37.9 27.1 20.3 15.7 12.6 10.3

23.2 16.4 12.2 9.46 7.53 6.14

6.65 6.65 6.65 6.65 6.65 6.6

AXIAL LOAD & BENDING

<>

COLD-FORMED   HYBOX 355

, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

COLD-FORMED   HYBOX 355

Page 302: Steel Section Capacities BS 5950 Spreadsheet

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

5 6 7 8 9 10

35.5 25.4 19.1 14.8 11.9 9.71

12.9 9.1 6.76 5.22 4.15 3.38

5.27 5.06 4.85 4.66 4.47 4.29

44.2 31.6 23.7 18.4 14.7 12

15.9 11.2 8.34 6.44 5.12 4.17

6.64 6.37 6.1 5.85 5.61 5.38

51.6 36.9 27.7 21.5 17.2 14

18.2 12.8 9.53 7.36 5.85 4.76

7.81 7.47 7.16 6.86 6.57 6.3

41.2 29.6 22.2 17.3 13.8 11.3

21.1 14.9 11.1 8.62 6.87 5.6

6.52 6.52 6.52 6.52 6.14 6.01

51.8 37.2 27.9 21.7 17.4 14.2

26.3 18.7 13.9 10.8 8.57 6.99

8.14 8.14 8.14 7.98 7.81 7.65

60.8 43.6 32.7 25.4 20.3 16.6

30.6 21.7 16.1 12.5 9.94 8.11

9.5 9.5 9.5 9.46 9.26 9.06

47.2 33.9 25.5 19.9 15.9 13

31.5 22.4 16.8 13 10.4 8.47

7.46 7.46 7.46 7.46 7.46 7.46

58.8 42.3 31.8 24.7 19.8 16.2

39.1 27.9 20.8 16.1 12.9 10.5

9.37 9.37 9.37 9.37 9.37 9.37

70 50.3 37.8 29.4 23.5 19.2

46.5 33.1 24.7 19.2 15.3 12.5

11 11 11 11 11 11

AXIAL LOAD & BENDING

<>

, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

COLD-FORMED   HYBOX 355

Page 303: Steel Section Capacities BS 5950 Spreadsheet

RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

5 6 7 8 9 10

54 39 29.4 22.9 18.4 15.1

23.5 16.6 12.4 9.61 7.66 6.24

7.75 7.75 7.38 7.18 6.99 6.8

61.2 44.2 33.3 25.9 20.8 17

26.5 18.8 14 10.9 8.65 7.05

8.78 8.78 8.41 8.18 7.96 7.75

67.6 48.8 36.7 28.6 22.9 18.8

29 20.5 15.3 11.8 9.44 7.7

9.71 9.71 9.36 9.1 8.85 8.62

80.3 57.8 43.5 33.9 27.2 22.2

34.3 24.3 18.1 14 11.1 9.08

11.4 11.4 11.1 10.8 10.5 10.3

60 43.5 32.8 25.7 20.6 16.9

15.9 11.3 8.37 6.47 5.14 4.19

6.82 6.41 6.03 5.68 5.36 5.06

75.3 54.5 41.1 32.1 25.7 21.1

19.5 13.7 10.2 7.88 6.27 5.11

8.59 8.06 7.57 7.11 6.69 6.31

89.1 64.4 48.6 37.9 30.4 24.9

22.8 16.1 11.9 9.22 7.33 5.97

10.2 9.51 8.92 8.37 7.87 7.42

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

COLD-FORMED   HYBOX 355

Page 304: Steel Section Capacities BS 5950 Spreadsheet

for

5 6 7 8 9 10

68.5 49.8 37.7 29.4 23.6 19.4

25.7 18.3 13.6 10.5 8.4 6.85

9.07 8.63 8.35 8.08 7.82 7.57

86.3 62.6 47.3 37 29.7 24.3

32.2 22.8 17 13.2 10.5 8.55

11.4 11 10.6 10.3 9.92 9.6

103 74.6 56.4 44 35.3 28.9

37.7 26.7 19.9 15.4 12.3 10

13.5 13.1 12.6 12.2 11.8 11.4

116 84.1 63.5 49.6 39.8 32.6

42.3 29.9 22.3 17.3 13.7 11.2

15.3 15 14.4 13.9 13.5 13

77 56 42.4 33.2 26.7 21.9

38 27.1 20.3 15.7 12.5 10.2

10.3 10.3 10.3 10.3 10.3 9.64

87.6 63.7 48.3 37.8 30.3 24.9

43.2 30.8 23 17.9 14.3 11.6

11.7 11.7 11.7 11.7 11.7 11

97.2 70.7 53.5 41.8 33.6 27.5

47.8 34.1 25.5 19.8 15.8 12.9

13 13 13 13 13 12.3

117 84.8 64.2 50.2 40.2 33

56.7 40.4 30.2 23.4 18.7 15.2

15.4 15.4 15.4 15.4 15.4 14.8

132 96 72.6 56.7 45.5 37.3

64.1 45.6 34.1 26.4 21.1 17.2

17.5 17.5 17.5 17.5 17.5 17

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

COLD-FORMED   HYBOX 355

Page 305: Steel Section Capacities BS 5950 Spreadsheet

for

5 6 7 8 9 10

93.7 68.4 51.9 40.7 32.7 26.8

69.8 50.4 38 29.6 23.7 19.4

12.6 12.6 12.6 12.6 12.6 12.6

119 87.2 66.1 51.8 41.6 34.1

88.6 63.9 48.1 37.5 30 24.6

16.1 16.1 16.1 16.1 16.1 16.1

144 105 79.6 62.3 50 41.1

106 76.5 57.6 44.9 35.9 29.4

19.3 19.3 19.3 19.3 19.3 19.3

91.2 67 51 40 32.2 26.5

18.8 13.3 9.9 7.63 6.07 4.95

6.97 6.53 6.12 5.75 5.4 5.09

8.23 7.57 6.99 6.48 6.02 5.62

116 84.7 64.5 50.6 40.7 33.4

23.3 16.5 12.3 9.46 7.53 6.13

10.4 9.52 8.77 8.11 7.53 7.02

138 101 76.8 60.2 48.4 39.8

27.1 19.1 14.2 11 8.73 7.11

12.2 11.2 10.3 9.49 8.79 8.19

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

5 6 7 8 9 10

114 84.1 64.2 50.5 40.7 33.5

44.6 31.8 23.8 18.5 14.8 12.1

11.2 11.2 10.7 10.4 10.2 9.95

13.4 13.4 12.7 12.4 12.1 11.7

131 96.5 73.7 58 46.7 38.4

50.9 36.3 27.1 21.1 16.8 13.7

15.3 15.3 14.6 14.2 13.8 13.4

, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

COLD-FORMED   HYBOX 355

, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 306: Steel Section Capacities BS 5950 Spreadsheet

146 107 82 64.5 52 42.7

56.5 40.3 30.1 23.4 18.7 15.2

17.1 17.1 16.4 15.9 15.5 15.1

175 129 98.6 77.5 62.4 51.3

67.1 47.8 35.7 27.7 22.1 18.1

20.4 20.4 19.7 19.1 18.6 18.1

201 148 113 88.4 71.2 58.5

76.1 54.2 40.5 31.4 25.1 20.5

23.3 23.3 22.8 22.1 21.5 20.9

136 101 77.5 61.1 49.3 40.6

81 58.6 44.2 34.5 27.6 22.6

13.6 13.6 13.6 13.6 13.6 13.6

16.4 16.4 16.4 16.4 16.4 16.4

175 130 99.3 78.2 63.1 51.9

103 74.4 56.1 43.8 35.1 28.7

20.9 20.9 20.9 20.9 20.9 20.9

212 157 120 94.6 76.3 62.8

125 89.9 67.7 52.8 42.3 34.6

25.1 25.1 25.1 25.1 25.1 25.1

244 180 138 108 87.4 71.9

142 103 77.2 60.2 48.2 39.5

28.8 28.8 28.8 28.8 28.8 28.8

290 214 163 128 103 84.8

168 121 91 70.9 56.7 46.4

33.8 33.8 33.8 33.8 33.8 33.8

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

5 6 7 8 9 10

185 140 109 86.2 69.9 57.7

92 66.9 50.5 39.4 31.6 25.9

17 17 17 17 17 17

COLD-FORMED   HYBOX 355

, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 307: Steel Section Capacities BS 5950 Spreadsheet

20.4 20.4 20.4 20.4 20.4 20.4

239 181 140 111 89.9 74.3

118 85.2 64.3 50.2 40.2 32.9

26.2 26.2 26.2 26.2 26.2 26.2

290 219 169 134 109 89.9

143 103 77.7 60.6 48.6 39.8

31.5 31.5 31.5 31.5 31.5 31.5

335 253 195 155 125 103

163 118 88.8 69.3 55.5 45.4

36.3 36.3 36.3 36.3 36.3 36.3

405 304 234 185 150 123

195 140 105 82.2 65.8 53.9

43 43 43 43 43 43

467 349 269 212 171 141

222 160 120 93.6 74.9 61.3

49 49 49 49 49 49

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

5 6 7 8 9 10

311 240 187 150 122 101

195 143 109 85.8 69.1 56.8

28.2 28.2 28.2 28.2 28.2 28.2

33.8 33.8 33.8 33.8 33.8 33.8

380 292 229 182 148 123

237 174 132 104 83.6 68.7

40.9 40.9 40.9 40.9 40.9 40.9

443 340 266 212 172 143

275 202 153 120 96.9 79.6

47.3 47.3 47.3 47.3 47.3 47.3

544 416 324 257 209 173

335 245 186 146 117 96.3

57.1 57.1 57.1 57.1 57.1 57.1

COLD-FORMED   HYBOX 355

, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 308: Steel Section Capacities BS 5950 Spreadsheet

636 484 376 298 242 200

388 283 215 168 135 111

66 66 66 66 66 66

375 290 227 182 148 123

160 116 87.3 68.1 54.6 44.7

38.4 38.4 38.4 38.4 36.9 36.2

436 336 263 210 171 142

185 133 101 78.4 62.9 51.5

44.7 44.7 44.7 44.7 43.1 42.2

534 410 319 255 207 171

223 160 121 94.2 75.4 61.7

53.3 53.3 53.3 53.3 53.2 52.1

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

5 6 7 8 9 10

379 301 240 194 159 132

148 107 80.7 63 50.5 41.4

31.6 31.6 31.6 31.6 29.2 28.6

38 38 38 38 35.1 34.2

465 368 293 236 194 161

178 129 97.2 75.9 60.8 49.8

38.3 38.3 38.3 38.3 35.4 34.7

46 46 46 46 42.7 41.6

543 429 341 275 225 187

206 149 112 87.5 70.2 57.5

53.3 53.3 53.3 53.3 49.8 48.5

671 527 417 335 274 228

249 180 135 106 84.6 69.3

64.3 64.3 64.3 64.3 61.6 60.1

791 617 487 390 319 265

286 206 155 121 96.5 79

74.1 74.1 74.1 74.1 72.2 70.3

COLD-FORMED   HYBOX 355

, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 309: Steel Section Capacities BS 5950 Spreadsheet

426 341 273 222 182 152

227 167 128 100 80.7 66.4

36.6 36.6 36.6 36.6 36.6 36.6

43.9 43.9 43.9 43.9 43.9 43.9

523 418 334 271 222 185

277 204 155 122 98.3 80.8

44.4 44.4 44.4 44.4 44.4 44.4

53.3 53.3 53.3 53.3 53.3 53.3

613 489 390 316 259 216

322 237 180 142 114 93.8

62.2 62.2 62.2 62.2 62.2 62.2

764 605 482 388 318 265

395 290 220 173 139 114

75.8 75.8 75.8 75.8 75.8 75.8

906 714 566 456 373 310

460 337 256 200 161 132

88.2 88.2 88.2 88.2 88.2 88.2

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

9 10 11 12 13 14

503 413 337 276 229 192

249 183 140 110 89 73

42.6 42.6 42.6 42.6 42.6 42.6

51.1 51.1 51.1 51.1 51.1 51.1

618 507 413 338 280 234

304 224 171 134 108 88.9

51.8 51.8 51.8 51.8 51.8 51.8

62.2 62.2 62.2 62.2 62.2 62.2

727 595 484 396 327 274

352 259 198 155 125 103

72.4 72.4 72.4 72.4 72.4 72.4

913 742 600 490 404 338

435 320 243 191 154 126

89 89 89 89 89 89

COLD-FORMED   HYBOX 355

, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 310: Steel Section Capacities BS 5950 Spreadsheet

1090 882 711 578 477 398

509 373 283 222 179 147

104 104 104 104 104 104

551 457 375 308 256 215

346 261 202 160 130 107

47.9 47.9 47.9 47.9 47.9 47.9

679 561 460 378 313 263

423 319 247 195 158 131

58.6 58.6 58.6 58.6 58.6 58.6

70.3 70.3 70.3 70.3 70.3 70.3

799 659 539 442 367 308

495 373 288 228 185 152

82.2 82.2 82.2 82.2 82.2 82.2

1010 829 675 552 457 383

617 463 357 282 228 188

102 102 102 102 102 102

1210 988 802 655 541 452

730 546 420 332 268 221

120 120 120 120 120 120

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

9 10 11 12 13 14

296 249 211 182 158 138

205 170 144 123 106 92

54.6 54.6 54.6 54.6 54.6 54.6

66.4 66.4 66.4 66.4 66.4 66.4

363 305 260 223 193 169

251 208 176 150 129 113

68.5 68.5 68.5 68.5 68.5 68.5

425 357 304 261 226 198

293 243 205 175 151 132

96.2 96.2 96.2 96.2 96.2 96.2

COLD-FORMED   HYBOX 355

, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 311: Steel Section Capacities BS 5950 Spreadsheet

535 449 381 327 283 248

367 305 257 219 189 165

121 121 121 121 121 121

636 534 453 388 337 294

436 361 304 259 224 195

143 143 143 143 143 143

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

9 10 11 12 13 14

564 482 415 360 314 277

301 251 212 181 156 136

93.7 93.7 93.7 93.7 93.7 93.7

664 568 489 424 370 325

354 294 248 212 183 160

110 110 110 110 110 110

132 132 132 132 132 132

842 719 618 535 467 410

446 370 312 267 230 201

167 167 167 167 167 167

1010 864 741 642 559 492

531 441 372 317 274 238

199 199 199 199 199 199

1140 967 829 717 624 548

594 493 415 354 305 266

220 220 220 220 220 220

1170 994 851 736 641 563

609 505 425 363 313 273

226 226 226 226 226 226

AXIAL LOAD & BENDING

COLD-FORMED   HYBOX 355

, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 312: Steel Section Capacities BS 5950 Spreadsheet

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

9 10 11 12 13 14

762 659 572 499 438 387

182 150 125 106 91 79

98.7 96.2 93.7 91.3 88.9 86.7

119 115 111 108 104 101

963 832 720 627 550 485

226 186 156 132 113 99

124 121 118 115 112 109

151 146 141 136 132 128

1170 1000 870 757 663 585

267 219 183 155 134 116

181 174 169 163 157 152

1300 1120 966 840 735 647

294 241 202 171 147 127

203 196 189 183 177 171

1340 1150 991 861 753 663

300 246 206 174 150 130

209 201 194 188 182 175

1090 958 841 740 653 580

715 605 517 446 388 340

174 174 174 174 174 174

1410 1240 1080 953 841 746

917 775 661 570 495 434

222 222 222 222 222 222

267 267 267 267 267 267

1720 1500 1320 1160 1020 905

1110 935 798 687 597 523

321 321 321 321 321 321

1960 1710 1500 1310 1160 1020

1260 1060 905 779 676 592

363 363 363 363 363 363

2010 1750 1530 1340 1180 1050

1300 1100 934 804 698 611

374 374 374 374 374 374

COLD-FORMED   HYBOX 355

, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 313: Steel Section Capacities BS 5950 Spreadsheet

AXIAL LOAD & BENDING

<>RECTANGULAR HOLLOW SECTIONS

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

for

9 10 11 12 13 14

2180 1990 1810 1640 1480 1330

1170 989 845 729 635 557

337 337 337 337 337 337

404 404 404 404 404 404

2690 2450 2230 2010 1810 1640

1420 1200 1030 887 772 677

408 408 408 408 408 408

490 490 490 490 490 490

3100 2830 2560 2310 2080 1870

1620 1370 1170 1010 879 770

558 558 558 558 558 558

3220 2940 2660 2400 2160 1940

1680 1420 1210 1040 908 796

579 579 579 579 579 579

COLD-FORMED   HYBOX 355

, Pcy (kN) and Buckling Resistance Moment Mb (kNm)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 314: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>SQUARE HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre Semi-Compact

mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6

25x25 1.36 61.8 n/a 0.507 0.507 0.507 0.507 0.507 0.507 0.507

1 0.507 0.507 0.495 0.461 0.414 0.357 0.29

1.64 74.2 n/a 0.575 0.575 0.575 0.575 0.575 0.575 0.575

1 0.575 0.575 0.575 0.537 0.483 0.421 0.343

1.89 85.6 n/a 0.626 0.626 0.626 0.626 0.626 0.626 0.626

1 0.626 0.626 0.626 0.601 0.541 0.476 0.39

30x30 1.68 76 n/a 0.771 0.771 0.771 0.771 0.771 0.771 0.771

1 0.771 0.771 0.744 0.693 0.622 0.533 0.433

2.03 91.9 n/a 0.895 0.895 0.895 0.895 0.895 0.895 0.895

1 0.895 0.895 0.879 0.819 0.736 0.635 0.517

2.36 107 n/a 0.997 0.997 0.997 0.997 0.997 0.997 0.997

1 0.997 0.997 0.997 0.93 0.836 0.727 0.593

40x40 2.31 104 n/a 1.47 1.47 1.47 1.47 1.47 1.47 1.47

1 1.47 1.45 1.39 1.29 1.16 0.993 0.803

2.82 127 n/a 1.75 1.75 1.75 1.75 1.75 1.75 1.75

1 1.75 1.74 1.67 1.56 1.4 1.2 0.971

3.3 149 n/a 1.99 1.99 1.99 1.99 1.99 1.99 1.99

1 1.99 1.99 1.93 1.79 1.61 1.39 1.13

4.2 190 n/a 2.36 2.36 2.36 2.36 2.36 2.36 2.36

1 2.36 2.36 2.36 2.2 1.98 1.72 1.41

50x50 2.93 133 n/a 2.36 2.36 2.36 2.36 2.36 2.36 2.36

1 2.36 2.33 2.24 2.08 1.87 1.59 1.29

3.6 163 n/a 2.86 2.86 2.86 2.86 2.86 2.86 2.86

1 2.86 2.83 2.72 2.53 2.27 1.94 1.57

4.25 192 n/a 3.32 3.32 3.32 3.32 3.32 3.32 3.32

1 3.32 3.29 3.16 2.94 2.64 2.26 1.83

5.45 247 n/a 4.04 4.04 4.04 4.04 4.04 4.04 4.04

1 4.04 4.04 3.94 3.67 3.3 2.85 2.32

6.56 297 n/a 4.6 4.6 4.6 4.6 4.6 4.6 4.6

1 4.6 4.6 4.6 4.31 3.87 3.37 2.75

60x60 5.19 235 n/a 4.97 4.97 4.97 4.97 4.97 4.97 4.97

1 4.97 4.91 4.71 4.39 3.94 3.35 2.71

6.71 304 n/a 6.18 6.18 6.18 6.18 6.18 6.18 6.18

1 6.18 6.17 5.92 5.52 4.95 4.26 3.46

8.13 369 n/a 7.16 7.16 7.16 7.16 7.16 7.16 7.16

1 7.16 7.16 7.04 6.56 5.88 5.1 4.15

COLD-FORMED   HYBOX 355

F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P

F/Pz

   2.0 Mc

Mr

   2.5 Mc

Mr

   3.0 Mc

Mr

   2.0 Mc

Mr

   2.5 Mc

Mr

   3.0 Mc

Mr

   2.0 Mc

Mr

   2.5 Mc

Mr

   3.0 Mc

Mr

   4.0 Mc

Mr

   2.0 Mc

Mr

   2.5 Mc

Mr

   3.0 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   3.0 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

Page 315: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>SQUARE HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre Semi-Compact

mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6

70x70 5.17 234 n/a 5.86 5.86 5.86 5.86 5.86 5.86 5.86

1 5.86 5.78 5.55 5.16 4.62 3.95 3.18

6.13 277 n/a 6.89 6.89 6.89 6.89 6.89 6.89 6.89

1 6.89 6.8 6.53 6.07 5.44 4.65 3.75

7.06 319 n/a 7.88 7.88 7.88 7.88 7.88 7.88 7.88

1 7.88 7.78 7.47 6.96 6.24 5.32 4.3

7.97 359 n/a 8.78 8.78 8.78 8.78 8.78 8.78 8.78

1 8.78 8.69 8.35 7.79 6.99 5.93 4.8

9.7 440 n/a 10.3 10.3 10.3 10.3 10.3 10.3 10.3

1 10.3 10.3 9.96 9.28 8.32 7.18 5.83

80x80 7.07 320 n/a 9.16 9.16 9.16 9.16 9.16 9.16 9.16

1 9.16 9.04 8.68 8.08 7.24 6.16 4.97

8.16 369 n/a 10.5 10.5 10.5 10.5 10.5 10.5 10.5

1 10.5 10.3 9.92 9.24 8.28 7.07 5.71

9.22 415 n/a 11.8 11.8 11.8 11.8 11.8 11.8 11.8

1 11.8 11.6 11.1 10.4 9.32 7.91 6.39

11.3 511 n/a 14 14 14 14 14 14 14

1 14 13.9 13.4 12.4 11.1 9.61 7.79

13.2 596 n/a 15.9 15.9 15.9 15.9 15.9 15.9 15.9

1 15.9 15.9 15.4 14.4 12.9 11.1 9

90x90 8.01 362 1 11.6 11.6 11.6 11.6 11.6 11.6 11.6

0 - - - - - - -

9.26 419 n/a 13.5 13.5 13.5 13.5 13.5 13.5 13.5

1 13.5 13.3 12.7 11.9 10.6 9.07 7.31

10.5 472 n/a 15.1 15.1 15.1 15.1 15.1 15.1 15.1

1 15.1 14.9 14.3 13.4 12 10.2 8.21

12.8 582 n/a 18.2 18.2 18.2 18.2 18.2 18.2 18.2

1 18.2 18 17.3 16.1 14.4 12.4 10

15.1 682 n/a 20.9 20.9 20.9 20.9 20.9 20.9 20.9

1 20.9 20.8 20 18.7 16.8 14.4 11.6

100x100 8.96 405 1 13.3 13.3 13.3 13.3 13.3 13.3 13.3

0 - - - - - - -

11.7 529 n/a 18.9 18.9 18.9 18.9 18.9 18.9 18.9

1 18.9 18.7 17.9 16.7 15 12.7 10.3

14.4 653 n/a 22.9 22.9 22.9 22.9 22.9 22.9 22.9

1 22.9 22.6 21.7 20.2 18.1 15.5 12.6

17 767 n/a 26.5 26.5 26.5 26.5 26.5 26.5 26.5

1 26.5 26.3 25.3 23.6 21.1 18.1 14.6

21.4 966 n/a 31.2 31.2 31.2 31.2 31.2 31.2 31.2

COLD-FORMED   HYBOX 355

F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P

F/Pz

   2.5 Mc

Mr

   3.0 Mc

Mr

   3.5 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   3.0 Mc

Mr

   3.5 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   6.0 Mc

Mr

   3.0 Mc

Mr

   3.5 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   6.0 Mc

Mr

   3.0 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   6.0 Mc

Mr

   8.0 Mc

Page 316: Steel Section Capacities BS 5950 Spreadsheet

1 31.2 31.2 30.7 28.6 25.8 22.4 18.2

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>SQUARE HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre Semi-Compact

mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6

120x120 14.2 643 1 27.5 27.5 27.5 27.5 27.5 27.5 27.5

0 - - - - - - -

17.5 795 n/a 33.9 33.9 33.9 33.9 33.9 33.9 33.9

1 33.9 33.4 32.1 29.9 26.7 22.9 18.5

20.7 937 n/a 39.8 39.8 39.8 39.8 39.8 39.8 39.8

1 39.8 39.2 37.7 35.1 31.5 26.8 21.6

26.4 1190 n/a 48.1 48.1 48.1 48.1 48.1 48.1 48.1

1 48.1 48.1 46.5 43.4 39 33.5 27.2

31.8 1440 n/a 55 55 55 55 55 55 55

1 55 55 54.6 50.9 45.8 39.9 32.5

140x140 16.8 756 1 33.6 33.6 33.6 33.6 33.6 33.6 33.6

0 - - - - - - -

20.7 937 n/a 46.9 46.9 46.9 46.9 46.9 46.9 46.9

1 46.9 46.2 44.4 41.3 37 31.7 25.5

24.5 1110 n/a 55 55 55 55 55 55 55

1 55 54.3 52.1 48.5 43.5 37.2 30

31.4 1420 n/a 68.6 68.6 68.6 68.6 68.6 68.6 68.6

1 68.6 68 65.3 60.9 54.7 47 38

38.1 1730 n/a 79.7 79.7 79.7 79.7 79.7 79.7 79.7

1 79.7 79.7 77.5 72.2 64.9 56.4 45.7

150x150 18 813*

37.1 37.1 37.1 37.1 37.1 37.1 37.1

- - - - - - -

22.3 1010 1 53.8 53.8 53.8 53.8 53.8 53.8 53.8

0 - - - - - - -

26.4 1190 n/a 63.9 63.9 63.9 63.9 63.9 63.9 63.9

1 63.9 63.1 60.6 56.4 50.5 43 34.7

33.9 1530 n/a 80.1 80.1 80.1 80.1 80.1 80.1 80.1

1 80.1 79.2 76.1 70.9 63.7 54.6 44.1

41.3 1870 n/a 93.7 93.7 93.7 93.7 93.7 93.7 93.7

1 93.7 93.7 90.6 84.4 75.9 65.6 53.2

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>SQUARE HOLLOW SECTIONS

Mr

COLD-FORMED   HYBOX 355

F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P

F/Pz

   4.0 Mc

Mr

   5.0 Mc

Mr

   6.0 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   6.0 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   6.0 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

COLD-FORMED   HYBOX 355

Page 317: Steel Section Capacities BS 5950 Spreadsheet

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre Semi-Compact

mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6

160x160 19.3 870*

40.8 40.8 40.8 40.8 40.8 40.8 40.8

- - - - - - -

23.8 1080 1 58.3 58.3 58.3 58.3 58.3 58.3 58.3

0 - - - - - - -

28.3 1280 n/a 73.1 73.1 73.1 73.1 73.1 73.1 73.1

1 73.1 72.2 69.3 64.5 57.8 49.3 39.7

36.5 1650 n/a 92.3 92.3 92.3 92.3 92.3 92.3 92.3

1 92.3 91.1 87.5 81.6 73.2 62.7 50.7

44.4 2010 n/a 109 109 109 109 109 109 109

1 109 109 105 97.6 87.7 75.6 61.3

180x180 27 1220*

68.4 68.4 68.4 68.4 68.4 68.4 68.4

- - - - - - -

32.1 1450 1 92.8 92.8 92.8 92.8 92.8 92.8 92.8

0 - - - - - - -

41.5 1870 n/a 119 119 119 119 119 119 119

1 119 118 113 105 94.5 80.8 65.2

50.7 2290 n/a 143 143 143 143 143 143 143

1 143 142 136 127 114 97.8 79.1

58.5 2640 n/a 157 157 157 157 157 157 157

1 157 157 153 143 128 110 90.5

60.5 2730 n/a 161 161 161 161 161 161 161

1 161 161 157 147 132 113 93.4

200x200 30.1 1360*

79.7 79.7 79.7 79.7 79.7 79.7 79.7

- - - - - - -

35.8 1620 1 106 106 106 106 106 106 106

0 - - - - - - -

46.5 2100 n/a 149 149 149 149 149 149 149

1 149 148 142 132 118 101 81.5

57 2580 n/a 180 180 180 180 180 180 180

1 180 178 171 159 143 123 99.2

66 2990 n/a 201 201 201 201 201 201 201

1 201 201 194 181 163 139 114

68.3 3090 n/a 207 207 207 207 207 207 207

1 207 207 200 187 168 144 118

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>SQUARE HOLLOW SECTIONS

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P

F/Pz

   4.0 Mc

Mr

   5.0 Mc

Mr

   6.0 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   5.0 Mc

Mr

   6.0 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.0 Mc

Mr

   12.5 Mc

Mr

   5.0 Mc

Mr

   6.0 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.0 Mc

Mr

   12.5 Mc

Mr

COLD-FORMED   HYBOX 355

Page 318: Steel Section Capacities BS 5950 Spreadsheet

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre Semi-Compact

mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6

250x250 45.2 2040*

146 146 146 146 146 146 146

- - - - - - -

59.1 2670 1 229 229 229 229 229 229 229

0 - - - - - - -

72.7 3290 n/a 292 292 292 292 292 292 292

1 292 288 277 258 231 198 159

84.8 3830 n/a 335 335 335 335 335 335 335

1 335 331 318 296 266 227 185

88 3980 n/a 346 346 346 346 346 346 346

1 346 342 328 306 275 235 191

300x300 71.6 3240*

294 294 294 294 294 294 294

- - - - - - -

88.4 4010 1 425 425 425 425 425 425 425

0 - - - - - - -

104 4690 n/a 497 497 497 497 497 497 497

1 497 491 471 439 394 336 273

108 4860 n/a 515 515 515 515 515 515 515

1 515 508 488 455 408 348 283

F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P

F/Pz

   6.0 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.0 Mc

Mr

   12.5 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.0 Mc

Mr

   12.5 Mc

Mr

Page 319: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

for and Capacities Limit for

D t

0.7 0.8 0.9 1 mm mm 2 3 4 5 6 7 8

0.507 0.507 0.507 0.507 25x25 1 21.7 11 6.53 4.3 3.04 2.27 1.75

0.221 0.15 0.076 0

0.575 0.575 0.575 0.575 1 25 12.6 7.46 4.91 3.47 2.58 2

0.263 0.179 0.091 0

0.626 0.626 0.626 0.626 1 27.6 13.8 8.16 5.37 3.79 2.82 2.18

0.3 0.205 0.105 0

0.771 0.771 0.771 0.771 30x30 1 35.6 19.2 11.6 7.71 5.48 4.1 3.17

0.329 0.222 0.113 0

0.895 0.895 0.895 0.895 1 41.6 22.2 13.4 8.88 6.31 4.71 3.65

0.394 0.267 0.136 0

0.997 0.997 0.997 0.997 1 47.1 25 15 9.97 7.08 5.29 4.09

0.454 0.309 0.157 0

1.47 1.47 1.47 1.47 40x40 1 68.2 42.9 27.4 18.6 13.4 10.1 7.85

0.608 0.409 0.207 0

1.75 1.75 1.75 1.75 1 81.9 50.9 32.3 21.9 15.8 11.9 9.24

0.737 0.498 0.252 0

1.99 1.99 1.99 1.99 1 94.9 58.6 37.1 25.1 18.1 13.6 10.6

0.858 0.581 0.295 0

2.36 2.36 2.36 2.36 1 117 70.7 44.4 30 21.5 16.2 12.6

1.08 0.731 0.373 0

2.36 2.36 2.36 2.36 50x50 1 102 73.7 50.6 35.6 26 19.8 15.5

0.972 0.654 0.329 0

2.86 2.86 2.86 2.86 1 124 88.9 60.7 42.5 31.1 23.6 18.5

1.19 0.799 0.403 0

3.32 3.32 3.32 3.32 1 145 104 70.4 49.3 36 27.3 21.4

1.39 0.938 0.475 0

4.04 4.04 4.04 4.04 1 183 129 86.9 60.5 44.1 33.4 26.1

1.77 1.2 0.607 0

4.6 4.6 4.6 4.6 1 217 150 100 69.4 50.5 38.2 29.9

2.1 1.43 0.728 0

4.97 4.97 4.97 4.97 60x60 1 193 153 113 82.5 61.5 47.2 37.3

2.05 1.38 0.697 0

6.18 6.18 6.18 6.18 1 248 195 142 103 76.7 58.8 46.4

2.63 1.77 0.899 0

7.16 7.16 7.16 7.16 1 299 232 168 121 89.8 68.8 54.2

3.17 2.15 1.09 0

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance P

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

   2.0

pyZ = 0.422

   2.5

pyZ = 0.479

   3.0

pyZ = 0.522

   2.0

pyZ = 0.643

   2.5

pyZ = 0.746

   3.0

pyZ = 0.831

   2.0

pyZ = 1.23

   2.5

pyZ = 1.46

   3.0

pyZ = 1.65

   4.0

pyZ = 1.97

   2.0

pyZ = 2.01

   2.5

pyZ = 2.41

   3.0

pyZ = 2.77

   4.0

pyZ = 3.37

   5.0

pyZ = 3.83

   3.0

pyZ = 4.15

   4.0

pyZ = 5.15

   5.0

pyZ = 5.96

Page 320: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

for and Capacities Limit for

D t

0.7 0.8 0.9 1 mm mm 2 3 4 5 6 7 8

5.86 5.86 5.86 5.86 70x70 1 204 173 137 105 80.8 63 50.2

2.41 1.61 0.813 0

6.89 6.89 6.89 6.89 1 241 203 161 123 94.1 73.4 58.4

2.84 1.91 0.962 0

7.88 7.88 7.88 7.88 1 277 233 184 140 107 83.4 66.4

3.25 2.19 1.11 0

8.78 8.78 8.78 8.78 1 310 260 205 156 119 92.5 73.6

3.64 2.45 1.24 0

10.3 10.3 10.3 10.3 1 379 316 246 186 142 110 87.4

4.43 3 1.52 0

9.16 9.16 9.16 9.16 80x80 1 288 252 211 169 134 106 85.7

3.75 2.52 1.27 0

10.5 10.5 10.5 10.5 1 332 291 243 194 153 122 97.8

4.32 2.9 1.46 0

11.8 11.8 11.8 11.8 1 372 325 271 216 170 135 108

4.84 3.26 1.65 0

14 14 14 14 1 457 398 329 262 205 162 130

5.91 3.99 2.02 0

15.9 15.9 15.9 15.9 1 531 461 379 299 234 184 148

6.85 4.64 2.35 0

11.6 11.6 11.6 11.6 90x90 1 334 301 261 219 179 145 118

- - - -

13.5 13.5 13.5 13.5 1 386 347 301 252 205 166 136

5.53 3.71 1.87 0

15.1 15.1 15.1 15.1 1 435 390 338 281 229 185 151

6.21 4.18 2.11 0

18.2 18.2 18.2 18.2 1 534 478 412 342 277 224 182

7.61 5.13 2.59 0

20.9 20.9 20.9 20.9 1 624 557 479 396 319 257 209

8.85 5.98 3.03 0

13.3 13.3 13.3 13.3 100x100 1 381 348 311 269 227 189 157

- - - -

18.9 18.9 18.9 18.9 1 496 454 404 349 293 243 201

7.75 5.21 2.62 0

22.9 22.9 22.9 22.9 1 612 558 495 426 356 294 243

9.51 6.41 3.23 0

26.5 26.5 26.5 26.5 1 717 652 577 494 412 339 280

11.1 7.49 3.79 0

31.2 31.2 31.2 31.2 1 897 813 714 605 500 409 336

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance P

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

   2.5

pyZ = 5.01

   3.0

pyZ = 5.82

   3.5

pyZ = 6.6

   4.0

pyZ = 7.31

   5.0

pyZ = 8.59

   3.0

pyZ = 7.81

   3.5

pyZ = 8.88

   4.0

pyZ = 9.87

   5.0

pyZ = 11.7

   6.0

pyZ = 13.2

   3.0

pyZ = 10.0

   3.5

pyZ = 11.4

   4.0

pyZ = 12.8

   5.0

pyZ = 15.2

   6.0

pyZ = 17.4

   3.0

pyZ = 12.6

   4.0

pyZ = 16.1

   5.0

pyZ = 19.2

   6.0

pyZ = 22.1

   8.0

Page 321: Steel Section Capacities BS 5950 Spreadsheet

13.8 9.37 4.76 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

for and Capacities Limit for

D t

0.7 0.8 0.9 1 mm mm 2 3 4 5 6 7 8

27.5 27.5 27.5 27.5 120x120 1 620 579 534 482 426 370 317

- - - -

33.9 33.9 33.9 33.9 1 766 715 658 593 523 453 388

14 9.39 4.73 0

39.8 39.8 39.8 39.8 1 902 840 772 695 611 528 451

16.4 11 5.57 0

48.1 48.1 48.1 48.1 1 1140 1060 973 871 761 652 554

20.7 14 7.07 0

55 55 55 55 1 1380 1280 1160 1040 899 766 648

24.7 16.8 8.51 0

33.6 33.6 33.6 33.6 140x140 1 743 703 660 613 560 504 447

- - - -

46.9 46.9 46.9 46.9 1 920 870 817 757 691 621 550

19.3 12.9 6.51 0

55 55 55 55 1 1090 1030 963 891 812 728 644

22.7 15.2 7.69 0

68.6 68.6 68.6 68.6 1 1390 1310 1230 1130 1030 915 804

28.9 19.4 9.83 0

79.7 79.7 79.7 79.7 1 1680 1590 1480 1360 1230 1090 957

34.8 23.5 11.9 0

37.1 37.1 37.1 $ 150x150*

768 732 693 650 604 553 500

- - - -

53.8 53.8 53.8 53.8 1 997 948 895 837 774 705 634

- - - -

63.9 63.9 63.9 63.9 1 1180 1120 1060 988 911 829 744

26.2 17.6 8.88 0

80.1 80.1 80.1 80.1 1 1510 1430 1350 1260 1160 1050 937

33.5 22.5 11.4 0

93.7 93.7 93.7 93.7 1 1840 1740 1640 1520 1400 1260 1120

40.4 27.3 13.8 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

SQUARE HOLLOW SECTIONS

pyZ = 26.0

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance P

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

   4.0

pyZ = 23.8

   5.0

pyZ = 28.7

   6.0

pyZ = 33.3

   8.0

pyZ = 40.1

   10.0

pyZ = 45.8

   4.0

pyZ = 33.1

   5.0

pyZ = 40.1

   6.0

pyZ = 46.5

   8.0

pyZ = 57.2

   10.0

pyZ = 66.4

   4.0

pyZ = 38.3

   5.0

pyZ = 46.5

   6.0

pyZ = 54.3

   8.0

pyZ = 66.7

   10.0

pyZ = 78.1

COLD-FORMED   HYBOX 355

Page 322: Steel Section Capacities BS 5950 Spreadsheet

TO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

for and Capacities Limit for

D t

0.7 0.8 0.9 1 mm mm 2 3 4 5 6 7 8

40.8 40.8 $ $ 160x160*

708 631 541 445 359 288 234

- - - -

58.3 58.3 58.3 58.3 1 973 855 717 577 457 363 293

- - - -

73.1 73.1 73.1 73.1 1 1150 1010 845 678 536 426 343

30 20.1 10.1 0

92.3 92.3 92.3 92.3 1 1480 1290 1070 853 671 531 427

38.4 25.9 13.1 0

109 109 109 109 1 1790 1560 1290 1020 799 631 507

46.5 31.4 15.9 0

68.4 68.4 68.4 $ 180x180*

1120 1010 882 741 607 493 404

- - - -

92.8 92.8 92.8 92.8 1 1340 1200 1050 875 715 580 474

- - - -

119 119 119 119 1 1720 1550 1340 1110 905 732 597

49.3 33.2 16.7 0

143 143 143 143 1 2100 1880 1620 1340 1090 877 714

60 40.4 20.4 0

157 157 157 157 1 2410 2150 1840 1510 1220 976 792

68.8 46.4 23.5 0

161 161 161 161 1 2490 2220 1890 1550 1250 1000 813

71 47.9 24.3 0

79.7 79.7 $ $ 200x200*

1150 1060 963 848 728 614 515

- - - -

106 106 106 106 1 1520 1390 1240 1080 908 755 627

- - - -

149 149 149 149 1 1970 1800 1600 1380 1160 960 795

61.6 41.4 20.9 0

180 180 180 180 1 2410 2200 1950 1670 1400 1160 954

75.1 50.6 25.5 0

201 201 201 201 1 2790 2530 2240 1910 1580 1300 1070

86.6 58.4 29.5 0

207 207 207 207 1 2880 2610 2310 1970 1630 1340 1100

89.4 60.3 30.5 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING

(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance P

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

   4.0

pyZ = 43.7

   5.0

pyZ = 53.3

   6.0

pyZ = 62.5

   8.0

pyZ = 77.4

   10.0

pyZ = 90.9

   5.0

pyZ = 68.5

   6.0

pyZ = 80.2

   8.0

pyZ = 100

   10.0

pyZ = 119

   12.0

pyZ = 131

   12.5

pyZ = 134

   5.0

pyZ = 85.6

   6.0

pyZ = 100

   8.0

pyZ = 127

   10.0

pyZ = 151

   12.0

pyZ = 168

   12.5

pyZ = 173

COLD-FORMED   HYBOX 355

Page 323: Steel Section Capacities BS 5950 Spreadsheet

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation

for and Capacities Limit for

D t

0.7 0.8 0.9 1 mm mm 2 3 4 5 6 7 8

146 114 $ $ 250x250*

1710 1610 1510 1400 1270 1140 1000

- - - -

229 229 229 229 1 2590 2430 2250 2050 1830 1600 1380

- - - -

292 292 292 292 1 3180 2980 2760 2510 2230 1950 1680

120 80.9 40.8 0

335 335 335 335 1 3710 3470 3200 2900 2570 2240 1930

140 94.1 47.5 0

346 346 346 346 1 3840 3590 3310 3000 2660 2310 1990

145 97.5 49.2 0

294 294 294 $ 300x300*

3060 2910 2750 2580 2400 2190 1980

- - - -

425 425 425 425 1 3970 3770 3560 3320 3070 2790 2510

- - - -

497 497 497 497 1 4630 4390 4140 3870 3570 3240 2900

206 138 69.8 0

515 515 515 515 1 4800 4560 4300 4020 3700 3360 3010

214 144 72.4 0

(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance P

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P

   6.0

pyZ = 161

   8.0

pyZ = 205

   10.0

pyZ = 247

   12.0

pyZ = 280

   12.5

pyZ = 289

   8.0

pyZ = 303

   10.0

pyZ = 366

   12.0

pyZ = 419

   12.5

pyZ = 433

Page 324: Steel Section Capacities BS 5950 Spreadsheet

<>

RESISTANCES AND CAPACITIES FOR S355

for

9 10 11 12 13 14

1.14 0.797 0.589 0.453 0.36 0.292

1.29 0.907 0.671 0.516 0.409 0.332

1.41 0.99 0.732 0.563 0.446 0.363

2.07 1.45 1.07 0.828 0.657 0.534

2.37 1.67 1.23 0.95 0.754 0.613

2.66 1.87 1.38 1.07 0.845 0.687

5.14 3.63 2.69 2.08 1.65 1.35

6.05 4.27 3.17 2.44 1.94 1.58

6.92 4.88 3.62 2.79 2.22 1.81

8.23 5.8 4.31 3.32 2.64 2.15

10.2 7.25 5.4 4.18 3.33 2.71

12.2 8.64 6.43 4.98 3.96 3.23

14.1 9.98 7.43 5.75 4.58 3.73

17.2 12.2 9.07 7.01 5.58 4.55

19.7 13.9 10.4 8 6.37 5.19

24.8 17.7 13.2 10.2 8.16 6.66

30.8 21.9 16.4 12.7 10.1 8.25

36 25.6 19.1 14.8 11.8 9.62

Compression Resistance Pc (kN)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 325: Steel Section Capacities BS 5950 Spreadsheet

<>

RESISTANCES AND CAPACITIES FOR S355

for

9 10 11 12 13 14

33.8 24.2 18.2 14.1 11.3 9.22

39.3 28.1 21.1 16.4 13.1 10.7

44.6 31.9 23.9 18.6 14.9 12.1

49.4 35.4 26.5 20.6 16.5 13.4

58.7 41.9 31.4 24.4 19.5 15.9

58.3 42 31.6 24.7 19.7 16.2

66.6 47.9 36.1 28.1 22.5 18.4

73.6 53 39.9 31.1 24.9 20.3

88.5 63.7 47.9 37.3 29.8 24.4

100 72 54.2 42.2 33.7 27.6

81.9 59.5 45 35.2 28.2 23.1

93.9 68.1 51.5 40.2 32.3 26.5

104 75.6 57.1 44.6 35.8 29.4

125 90.8 68.6 53.6 43 35.2

144 104 78.6 61.4 49.2 40.3

110 80.8 61.4 48.1 38.7 31.8

141 103 78.4 61.5 49.4 40.6

170 125 94.6 74.1 59.6 48.9

196 143 108 84.9 68.2 56

233 170 129 101 80.9 66.4

Compression Resistance Pc (kN)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 326: Steel Section Capacities BS 5950 Spreadsheet

<>

RESISTANCES AND CAPACITIES FOR S355

for

9 10 11 12 13 14

233 174 134 106 85.4 70.4

283 211 163 128 104 85.4

328 245 188 148 120 98.7

401 298 228 180 145 120

466 345 264 208 168 138

344 264 206 164 134 111

422 324 253 201 164 135

492 377 294 234 190 157

610 465 362 288 234 193

722 549 426 338 274 227

398 312 247 198 162 135

498 388 306 245 200 166

583 454 357 286 233 193

729 564 442 354 288 239

867 668 523 418 340 282

<>

Compression Resistance Pc (kN)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 327: Steel Section Capacities BS 5950 Spreadsheet

RESISTANCES AND CAPACITIES FOR S355

for

9 10 11 12 13 14

193 161 136 116 101 87.8

240 200 168 144 124 108

281 234 197 168 145 127

349 290 245 209 180 157

414 344 290 247 213 186

334 279 237 203 176 154

392 328 278 238 206 180

493 412 349 299 258 226

588 491 416 356 308 269

652 544 460 393 340 297

668 558 471 403 349 304

434 367 314 271 236 207

523 441 376 323 280 246

663 558 475 408 354 310

795 668 568 488 423 371

891 749 636 546 473 414

916 769 653 561 486 425

<>

Compression Resistance Pc (kN)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 328: Steel Section Capacities BS 5950 Spreadsheet

RESISTANCES AND CAPACITIES FOR S355

for

9 10 11 12 13 14

876 764 666 584 514 454

1190 1030 887 771 675 595

1450 1240 1070 934 817 720

1650 1420 1220 1060 928 817

1700 1460 1260 1100 958 843

1770 1570 1390 1230 1090 975

2230 1970 1730 1530 1350 1200

2580 2270 2000 1760 1560 1390

2670 2360 2080 1830 1620 1440

Compression Resistance Pc (kN)

Varying effective lengths Le (m) within the limiting value of F/Pz

Page 329: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>CIRCULAR HOLLOW SECTIONS SUBJECT

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre

mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

26.9 1.23 55.4 0.386 0.386 0.386 0.386 0.386 0.386 0.386 0.386 0.386

0.386 0.386 0.386 0.386 0.356 0.311 0.259 0.2 0.136

1.5 68.2 0.456 0.456 0.456 0.456 0.456 0.456 0.456 0.456 0.456

0.456 0.456 0.456 0.456 0.428 0.374 0.311 0.24 0.163

1.77 79.9 0.515 0.515 0.515 0.515 0.515 0.515 0.515 0.515 0.515

0.515 0.515 0.515 0.515 0.494 0.432 0.359 0.277 0.189

33.7 1.56 70.6 0.635 0.635 0.635 0.635 0.635 0.635 0.635 0.635 0.635

0.635 0.635 0.635 0.635 0.577 0.505 0.419 0.324 0.22

1.92 87 0.758 0.758 0.758 0.758 0.758 0.758 0.758 0.758 0.758

0.758 0.758 0.758 0.758 0.701 0.612 0.509 0.393 0.268

2.27 103 0.869 0.869 0.869 0.869 0.869 0.869 0.869 0.869 0.869

0.869 0.869 0.869 0.869 0.816 0.713 0.593 0.458 0.312

2.93 132 1.06 1.06 1.06 1.06 1.06 1.06 1.06 1.06 1.06

1.06 1.06 1.06 1.06 1.02 0.891 0.741 0.572 0.389

3.24 147 1.14 1.14 1.14 1.14 1.14 1.14 1.14 1.14 1.14

1.14 1.14 1.14 1.14 1.11 0.971 0.808 0.624 0.425

42.4 2.46 111 1.26 1.26 1.26 1.26 1.26 1.26 1.26 1.26 1.26

1.26 1.26 1.26 1.26 1.15 1 0.833 0.643 0.438

2.91 132 1.46 1.46 1.46 1.46 1.46 1.46 1.46 1.46 1.46

1.46 1.46 1.46 1.46 1.34 1.17 0.974 0.753 0.512

3.36 152 1.64 1.64 1.64 1.64 1.64 1.64 1.64 1.64 1.64

1.64 1.64 1.64 1.64 1.53 1.33 1.11 0.856 0.583

3.79 171 1.81 1.81 1.81 1.81 1.81 1.81 1.81 1.81 1.81

1.81 1.81 1.81 1.81 1.7 1.49 1.24 0.954 0.649

48.3 2.82 128 1.67 1.67 1.67 1.67 1.67 1.67 1.67 1.67 1.67

1.67 1.67 1.67 1.66 1.51 1.32 1.1 0.846 0.576

3.35 152 1.94 1.94 1.94 1.94 1.94 1.94 1.94 1.94 1.94

1.94 1.94 1.94 1.94 1.77 1.55 1.29 0.994 0.677

3.87 175 2.19 2.19 2.19 2.19 2.19 2.19 2.19 2.19 2.19

2.19 2.19 2.19 2.19 2.02 1.77 1.47 1.13 0.772

4.37 198 2.43 2.43 2.43 2.43 2.43 2.43 2.43 2.43 2.43

2.43 2.43 2.43 2.43 2.26 1.98 1.64 1.27 0.863

5.34 241 2.85 2.85 2.85 2.85 2.85 2.85 2.85 2.85 2.85

2.85 2.85 2.85 2.85 2.71 2.36 1.97 1.52 1.03

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

COLD-FORMED   HYBOX 355

Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz

F/Pz

   2.0 Mc

Mr

   2.5 Mc

Mr

   3.0 Mc

Mr

   2.0 Mc

Mr

   2.5 Mc

Mr

   3.0 Mc

Mr

   4.0 Mc

Mr

   4.5 Mc

Mr

   2.5 Mc

Mr

   3.0 Mc

Mr

   3.5 Mc

Mr

   4.0 Mc

Mr

   2.5 Mc

Mr

   3.0 Mc

Mr

   3.5 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

Page 330: Steel Section Capacities BS 5950 Spreadsheet

<>CIRCULAR HOLLOW SECTIONS SUBJECT

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre

mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

60.3 3.56 161 2.68 2.68 2.68 2.68 2.68 2.68 2.68 2.68 2.68

2.68 2.68 2.68 2.64 2.4 2.1 1.74 1.35 0.917

4.24 192 3.14 3.14 3.14 3.14 3.14 3.14 3.14 3.14 3.14

3.14 3.14 3.14 3.12 2.83 2.48 2.06 1.59 1.08

4.9 222 3.57 3.57 3.57 3.57 3.57 3.57 3.57 3.57 3.57

3.57 3.57 3.57 3.57 3.25 2.84 2.36 1.82 1.24

5.55 251 3.98 3.98 3.98 3.98 3.98 3.98 3.98 3.98 3.98

3.98 3.98 3.98 3.98 3.65 3.19 2.65 2.05 1.39

6.82 308 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73

4.73 4.73 4.73 4.73 4.39 3.84 3.19 2.47 1.68

76.1 4.54 205 4.39 4.39 4.39 4.39 4.39 4.39 4.39 4.39 4.39

4.39 4.39 4.39 4.27 3.88 3.39 2.82 2.18 1.48

5.41 245 5.15 5.15 5.15 5.15 5.15 5.15 5.15 5.15 5.15

5.15 5.15 5.15 5.06 4.6 4.02 3.34 2.58 1.76

6.27 283 5.92 5.92 5.92 5.92 5.92 5.92 5.92 5.92 5.92

5.92 5.92 5.92 5.85 5.31 4.64 3.86 2.98 2.03

7.11 322 6.6 6.6 6.6 6.6 6.6 6.6 6.6 6.6 6.6

6.6 6.6 6.6 6.58 5.97 5.22 4.34 3.35 2.28

8.77 398 7.92 7.92 7.92 7.92 7.92 7.92 7.92 7.92 7.92

7.92 7.92 7.92 7.92 7.27 6.35 5.28 4.08 2.78

88.9 6.36 288 7.16 7.16 7.16 7.16 7.16 7.16 7.16 7.16 7.16

7.16 7.16 7.16 6.99 6.35 5.55 4.61 3.56 2.42

7.37 333 8.22 8.22 8.22 8.22 8.22 8.22 8.22 8.22 8.22

8.22 8.22 8.22 8.07 7.32 6.4 5.32 4.11 2.8

8.38 380 9.24 9.24 9.24 9.24 9.24 9.24 9.24 9.24 9.24

9.24 9.24 9.24 9.14 8.3 7.25 6.03 4.66 3.17

10.3 469 11.2 11.2 11.2 11.2 11.2 11.2 11.2 11.2 11.2

11.2 11.2 11.2 11.1 10.1 8.84 7.34 5.67 3.86

114.3 8.23 373 12.1 12.1 12.1 12.1 12.1 12.1 12.1 12.1 12.1

12.1 12.1 12.1 11.8 10.7 9.34 7.76 6 4.08

9.56 433 13.9 13.9 13.9 13.9 13.9 13.9 13.9 13.9 13.9

13.9 13.9 13.9 13.6 12.3 10.8 8.97 6.93 4.72

10.9 493 15.7 15.7 15.7 15.7 15.7 15.7 15.7 15.7 15.7

15.7 15.7 15.7 15.4 14 12.2 10.2 7.85 5.34

13.5 611 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2

19.2 19.2 19.2 18.9 17.2 15 12.5 9.64 6.56

16 724 22.4 22.4 22.4 22.4 22.4 22.4 22.4 22.4 22.4

22.4 22.4 22.4 22.3 20.2 17.7 14.7 11.3 7.72

BS 5950-1: 2000 AXIAL LOAD & BENDING

COLD-FORMED   HYBOX 355

Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz

F/Pz

   2.5 Mc

Mr

   3.0 Mc

Mr

   3.5 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   2.5 Mc

Mr

   3.0 Mc

Mr

   3.5 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   3.0 Mc

Mr

   3.5 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   3.0 Mc

Mr

   3.5 Mc

Mr

   4.0 Mc

Mr

   5.0 Mc

Mr

   6.0 Mc

Mr

Page 331: Steel Section Capacities BS 5950 Spreadsheet

BS EN 10219-2: 1997

<>CIRCULAR HOLLOW SECTIONS SUBJECT

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre

mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

139.7 13.4 607 23.9 23.9 23.9 23.9 23.9 23.9 23.9 23.9 23.9

23.9 23.9 23.9 23.3 21.2 18.5 15.4 11.9 8.08

16.6 753 29.3 29.3 29.3 29.3 29.3 29.3 29.3 29.3 29.3

29.3 29.3 29.3 28.7 26.1 22.8 18.9 14.6 9.96

19.8 895 34.4 34.4 34.4 34.4 34.4 34.4 34.4 34.4 34.4

34.4 34.4 34.4 33.8 30.7 26.9 22.3 17.2 11.7

26 1180 43.9 43.9 43.9 43.9 43.9 43.9 43.9 43.9 43.9

43.9 43.9 43.9 43.9 39.9 34.9 29 22.4 15.2

32 1440 52.4 52.4 52.4 52.4 52.4 52.4 52.4 52.4 52.4

52.4 52.4 52.4 52.4 48.5 42.4 35.3 27.2 18.5

39.2 1780 62.2 62.2 62.2 62.2 62.2 62.2 62.2 62.2 62.2

62.2 62.2 62.2 62.2 58.3 51 42.4 32.7 22.3

168.3 16.2 731 35.3 35.3 35.3 35.3 35.3 35.3 35.3 35.3 35.3

- - - - - - - - -

20.1 912 43.5 43.5 43.5 43.5 43.5 43.5 43.5 43.5 43.5

43.5 43.5 43.5 42.1 38.2 33.4 27.8 21.4 14.6

24 1090 51.1 51.1 51.1 51.1 51.1 51.1 51.1 51.1 51.1

51.1 51.1 51.1 50 45.4 39.7 33 25.5 17.3

31.6 1430 65.6 65.6 65.6 65.6 65.6 65.6 65.6 65.6 65.6

65.6 65.6 65.6 65.2 59.2 51.7 43 33.2 22.6

39 1760 79.2 79.2 79.2 79.2 79.2 79.2 79.2 79.2 79.2

79.2 79.2 79.2 79.2 72.1 63 52.4 40.5 27.5

48 2170 94.6 94.6 94.6 94.6 94.6 94.6 94.6 94.6 94.6

94.6 94.6 94.6 94.6 87.3 76.3 63.4 49 33.3

193.7 18.7 845 47.3 47.3 47.3 47.3 47.3 47.3 47.3 47.3 47.3

- - - - - - - - -

21 948 52.8 52.8 52.8 52.8 52.8 52.8 52.8 52.8 52.8

- - - - - - - - -

23.3 1050 57.9 57.9 57.9 57.9 57.9 57.9 57.9 57.9 57.9

- - - - - - - - -

27.8 1260 68.6 68.6 68.6 68.6 68.6 68.6 68.6 68.6 68.6

68.6 68.6 68.6 66.7 60.6 53 44 34 23.1

36.6 1660 88.6 88.6 88.6 88.6 88.6 88.6 88.6 88.6 88.6

88.6 88.6 88.6 87.3 79.3 69.3 57.6 44.5 30.3

45.3 2050 107 107 107 107 107 107 107 107 107

107 107 107 107 97.1 84.8 70.5 54.5 37.1

55.9 2530 129 129 129 129 129 129 129 129 129

129 129 129 129 118 103 85.8 66.2 45.1

COLD-FORMED   HYBOX 355

Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz

F/Pz

   4.0 Mc

Mr

   5.0 Mc

Mr

   6.0 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.5 Mc

Mr

   4.0 ¢Mc

Mr

   5.0 Mc

Mr

   6.0 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.5 Mc

Mr

   4.0 ¢Mc

Mr

   4.5 ¢Mc

Mr

   5.0 ¢Mc

Mr

   6.0 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.5 Mc

Mr

Page 332: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>CIRCULAR HOLLOW SECTIONS SUBJECT

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre

mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

219.1 21.2 959 59.8 59.8 59.8 59.8 59.8 59.8 59.8 59.8 59.8

- - - - - - - - -

23.8 1080 67.7 67.7 67.7 67.7 67.7 67.7 67.7 67.7 67.7

- - - - - - - - -

26.4 1190 75 75 75 75 75 75 75 75 75

- - - - - - - - -

31.5 1430 88.6 88.6 88.6 88.6 88.6 88.6 88.6 88.6 88.6

88.6 88.6 88.6 86.4 78.4 68.5 57 44 29.9

41.6 1890 115 115 115 115 115 115 115 115 115

115 115 115 113 103 89.6 74.5 57.5 39.2

51.6 2330 140 140 140 140 140 140 140 140 140

140 140 140 139 126 110 91.4 70.6 48

61.3 2770 163 163 163 163 163 163 163 163 163

163 163 163 163 148 129 107 83 56.5

63.7 2880 169 169 169 169 169 169 169 169 169

169 169 169 169 153 134 111 86.1 58.6

80.1 3620 206 206 206 206 206 206 206 206 206

206 206 206 206 190 166 138 107 72.5

244.5 26.6 1200 83.8 83.8 83.8 83.8 83.8 83.8 83.8 83.8 83.8

- - - - - - - - -

29.5 1330 94.1 94.1 94.1 94.1 94.1 94.1 94.1 94.1 94.1

- - - - - - - - -

35.3 1600 112 112 112 112 112 112 112 112 112

- - - - - - - - -

46.7 2110 145 145 145 145 145 145 145 145 145

145 145 145 142 129 112 93.5 72.2 49.1

57.8 2620 177 177 177 177 177 177 177 177 177

177 177 177 174 158 138 115 88.6 60.3

68.8 3110 207 207 207 207 207 207 207 207 207

207 207 207 205 186 163 135 105 71.2

71.5 3230 214 214 214 214 214 214 214 214 214

214 214 214 213 193 169 140 108 73.8

90.2 4080 262 262 262 262 262 262 262 262 262

262 262 262 262 240 210 175 135 91.8

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>

COLD-FORMED   HYBOX 355

Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz

F/Pz

   4.0 ¢Mc

Mr

   4.5 ¢Mc

Mr

   5.0 ¢Mc

Mr

   6.0 Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.0 Mc

Mr

   12.5 Mc

Mr

   16.0 Mc

Mr

   4.5 ¢Mc

Mr

   5.0 ¢Mc

Mr

   6.0 ¢Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.0 Mc

Mr

   12.5 Mc

Mr

   16.0 Mc

Mr

COLD-FORMED   HYBOX 355

Page 333: Steel Section Capacities BS 5950 Spreadsheet

CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre

mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

273 26.5 1200 88.4 88.4 88.4 88.4 88.4 88.4 88.4 88.4 88.4

- - - - - - - - -

29.8 1350 102 102 102 102 102 102 102 102 102

- - - - - - - - -

33 1490 116 116 116 116 116 116 116 116 116

- - - - - - - - -

39.5 1790 140 140 140 140 140 140 140 140 140

- - - - - - - - -

52.3 2360 183 183 183 183 183 183 183 183 183

183 183 183 178 161 141 117 90.6 61.7

64.9 2930 223 223 223 223 223 223 223 223 223

223 223 223 219 199 174 144 112 75.9

77.2 3490 262 262 262 262 262 262 262 262 262

262 262 262 259 235 205 171 132 89.7

80.3 3620 271 271 271 271 271 271 271 271 271

271 271 271 269 244 213 177 137 93.1

101 4580 334 334 334 334 334 334 334 334 334

334 334 334 334 304 266 221 171 116

323.9 39.3 1780 157 157 157 157 157 157 157 157 157

- - - - - - - - -

47 2130 197 197 197 197 197 197 197 197 197

- - - - - - - - -

62.3 2820 261 261 261 261 261 261 261 261 261

- - - - - - - - -

77.4 3500 320 320 320 320 320 320 320 320 320

320 320 320 312 283 248 206 159 108

92.3 4190 377 377 377 377 377 377 377 377 377

377 377 377 369 335 293 244 188 128

96 4330 391 391 391 391 391 391 391 391 391

391 391 391 384 348 304 253 195 133

121 5500 484 484 484 484 484 484 484 484 484

484 484 484 480 436 381 317 245 167

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>CIRCULAR HOLLOW SECTIONS SUBJECT

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz

F/Pz

 * 4.0 ¢Mc

Mr

   4.5 ¢Mc

Mr

   5.0 ¢Mc

Mr

   6.0 ¢Mc

Mr

   8.0 Mc

Mr

   10.0 Mc

Mr

   12.0 Mc

Mr

   12.5 Mc

Mr

   16.0 Mc

Mr

 * 5.0 ¢Mc

Mr

   6.0 ¢Mc

Mr

   8.0 ¢Mc

Mr

   10.0 Mc

Mr

   12.0 Mc

Mr

   12.5 Mc

Mr

   16.0 Mc

Mr

COLD-FORMED   HYBOX 355

Page 334: Steel Section Capacities BS 5950 Spreadsheet

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre

mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

355.6 43.2 1960 186 186 186 186 186 186 186 186 186

- - - - - - - - -

51.7 2340 232 232 232 232 232 232 232 232 232

- - - - - - - - -

68.6 3100 316 316 316 316 316 316 316 316 316

- - - - - - - - -

85.2 3870 389 389 389 389 389 389 389 389 389

389 389 389 378 343 300 249 193 131

102 4620 458 458 458 458 458 458 458 458 458

458 458 458 448 407 356 296 228 155

106 4790 476 476 476 476 476 476 476 476 476

476 476 476 466 423 370 307 237 161

134 6070 591 591 591 591 591 591 591 591 591

591 591 591 584 530 464 385 298 203

406.4 59.2 2680 295 295 295 295 295 295 295 295 295

- - - - - - - - -

78.6 3550 417 417 417 417 417 417 417 417 417

- - - - - - - - -

97.8 4440 513 513 513 513 513 513 513 513 513

- - - - - - - - -

117 5290 607 607 607 607 607 607 607 607 607

607 607 607 591 536 469 390 301 205

121 5500 630 630 630 630 630 630 630 630 630

630 630 630 614 557 487 405 313 213

154 6960 785 785 785 785 785 785 785 785 785

785 785 785 772 701 612 509 393 268

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

<>CIRCULAR HOLLOW SECTIONS SUBJECT

TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING

CROSS-SECTION CAPACITY CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Mass Axial load

per Capacity for

D t Metre

mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8

457 88.6 4010 515 515 515 515 515 515 515 515 515

- - - - - - - - -

110 4970 654 654 654 654 654 654 654 654 654

- - - - - - - - -

Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz

F/Pz

 * 5.0 ¢Mc

Mr

   6.0 ¢Mc

Mr

   8.0 ¢Mc

Mr

   10.0 Mc

Mr

   12.0 Mc

Mr

   12.5 Mc

Mr

   16.0 Mc

Mr

 * 6.0 ¢Mc

Mr

   8.0 ¢Mc

Mr

   10.0 ¢Mc

Mr

   12.0 Mc

Mr

   12.5 Mc

Mr

   16.0 Mc

Mr

COLD-FORMED   HYBOX 355

Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, M

 Designation

Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz

F/Pz

   8.0 ¢Mc

Mr

   10.0 ¢Mc

Mr

Page 335: Steel Section Capacities BS 5950 Spreadsheet

132 5960 775 775 775 775 775 775 775 775 775

775 775 775 752 683 597 496 383 261

137 6210 804 804 804 804 804 804 804 804 804

804 804 804 781 709 620 515 398 271

174 7880 1010 1010 1010 1010 1010 1010 1010 1010 1010

1010 1010 1010 985 894 781 650 502 342

508 98.6 4470 622 622 622 622 622 622 622 622 622

- - - - - - - - -

123 5540 814 814 814 814 814 814 814 814 814

- - - - - - - - -

147 6640 965 965 965 965 965 965 965 965 965

- - - - - - - - -

153 6920 1000 1000 1000 1000 1000 1000 1000 1000 1000

- - - - - - - - -

194 8770 1260 1260 1260 1260 1260 1260 1260 1260 1260

1260 1260 1260 1230 1110 972 808 624 425

   12.0 Mc

Mr

   12.5 Mc

Mr

   16.0 Mc

Mr

 * 8.0 ¢Mc

Mr

   10.0 ¢Mc

Mr

   12.0 ¢Mc

Mr

   12.5 ¢Mc

Mr

   16.0 Mc

Mr

Page 336: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation Mass

for and Capacities per for

D t Metre

0.9 1 mm mm kg 1 1.5 2 2.5 3 3.5 4 5

0.386 0.386 26.9 1.23 18.1 9.11 5.38 3.54 2.5 1.86 1.44 0.933

0.069 0

0.456 0.456 1.5 21.7 10.8 6.4 4.21 2.98 2.21 1.71 1.11

0.083 0

0.515 0.515 1.77 24.7 12.3 7.26 4.77 3.37 2.51 1.94 1.26

0.096 0

0.635 0.635 33.7 1.56 32.7 17.6 10.6 7.05 5.02 3.75 2.9 1.89

0.112 0

0.758 0.758 1.92 39.8 21.3 12.9 8.54 6.07 4.53 3.51 2.29

0.136 0

0.869 0.869 2.27 45.8 24.4 14.7 9.74 6.92 5.17 4 2.6

0.158 0

1.06 1.06 2.93 56.9 30 18 11.9 8.47 6.32 4.89 3.18

0.197 0

1.14 1.14 3.24 61.4 32.2 19.3 12.8 9.05 6.75 5.22 3.4

0.215 0

1.26 1.26 42.4 2.46 67.1 40.1 25.1 16.9 12.1 9.1 7.08 4.63

0.222 0

1.46 1.46 2.91 78.9 47 29.4 19.8 14.2 10.6 8.28 5.41

0.259 0

1.64 1.64 3.36 89.8 53.1 33 22.3 15.9 12 9.29 6.07

0.295 0

1.81 1.81 3.79 99.8 58.5 36.4 24.5 17.5 13.1 10.2 6.66

0.329 0

1.67 1.67 48.3 2.82 86.9 56.4 36.4 24.9 18 13.6 10.6 6.94

0.292 0

1.94 1.94 3.35 103 66.3 42.8 29.2 21.1 15.9 12.4 8.13

0.343 0

2.19 2.19 3.87 117 75.2 48.4 33 23.8 17.9 14 9.17

0.391 0

2.43 2.43 4.37 131 83.5 53.5 36.5 26.3 19.8 15.4 10.1

0.437 0

2.85 2.85 5.34 158 99.2 63.3 43 31 23.3 18.2 11.9

0.523 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le

   2.0

pyZ = 0.322

   2.5

pyZ = 0.38

   3.0

pyZ = 0.43

   2.0

pyZ = 0.529

   2.5

pyZ = 0.632

   3.0

pyZ = 0.724

   4.0

pyZ = 0.884

   4.5

pyZ = 0.948

   2.5

pyZ = 1.05

   3.0

pyZ = 1.21

   3.5

pyZ = 1.37

   4.0

pyZ = 1.51

   2.5

pyZ = 1.39

   3.0

pyZ = 1.62

   3.5

pyZ = 1.83

   4.0

pyZ = 2.02

   5.0

pyZ = 2.37

Page 337: Steel Section Capacities BS 5950 Spreadsheet

CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation Mass

for and Capacities per for

D t Metre

0.9 1 mm mm kg 1 1.5 2 2.5 3 3.5 4 5

2.68 2.68 60.3 3.56 126 94.3 66.1 46.9 34.5 26.3 20.6 13.6

0.464 0

3.14 3.14 4.24 150 111 77.5 54.9 40.3 30.7 24.1 15.9

0.548 0

3.57 3.57 4.9 172 127 88.4 62.5 45.9 34.9 27.4 18.1

0.628 0

3.98 3.98 5.55 194 143 99.3 70.1 51.4 39.1 30.7 20.3

0.705 0

4.73 4.73 6.82 237 172 118 83.3 61 46.4 36.4 24

0.85 0

4.39 4.39 76.1 4.54 176 146 114 85.9 65.2 50.6 40.2 27

0.75 0

5.15 5.15 5.41 210 174 135 102 77.3 60 47.6 31.9

0.889 0

5.92 5.92 6.27 242 201 155 117 88.4 68.5 54.4 36.4

1.03 0

6.6 6.6 7.11 274 226 175 131 99.2 76.8 60.9 40.8

1.16 0

7.92 7.92 8.77 338 278 213 159 120 93 73.8 49.3

1.41 0

7.16 7.16 88.9 6.36 257 224 186 148 116 91.8 73.7 50.1

1.23 0

8.22 8.22 7.37 298 259 214 170 133 105 84.5 57.4

1.42 0

9.24 9.24 8.38 339 294 243 192 150 119 95.3 64.6

1.6 0

11.2 11.2 10.3 417 361 297 234 183 144 116 78.3

1.95 0

12.1 12.1 114.3 8.23 351 321 287 248 209 174 144 102

2.07 0

13.9 13.9 9.56 407 372 332 287 242 201 166 117

2.39 0

15.7 15.7 10.9 463 423 377 326 274 227 188 132

2.7 0

19.2 19.2 13.5 573 523 465 401 336 278 230 161

3.32 0

22.4 22.4 16 678 618 549 471 394 325 269 188

3.91 0

BS 5950-1: 2000 AXIAL LOAD & BENDING

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le

   2.5

pyZ = 2.24

   3.0

pyZ = 2.62

   3.5

pyZ = 2.98

   4.0

pyZ = 3.32

   5.0

pyZ = 3.94

   2.5

pyZ = 3.66

   3.0

pyZ = 4.3

   3.5

pyZ = 4.93

   4.0

pyZ = 5.5

   5.0

pyZ = 6.6

   3.0

pyZ = 5.96

   3.5

pyZ = 6.85

   4.0

pyZ = 7.7

   5.0

pyZ = 9.3

   3.0

pyZ = 10.1

   3.5

pyZ = 11.6

   4.0

pyZ = 13.1

   5.0

pyZ = 16.0

   6.0

pyZ = 18.6

Page 338: Steel Section Capacities BS 5950 Spreadsheet

BS EN 10219-2: 1997

CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation Mass

for and Capacities per for

D t Metre

0.9 1 mm mm kg 1 1.5 2 2.5 3 3.5 4 5

23.9 23.9 139.7 13.4 587 549 508 460 409 356 307 226

4.09 0

29.3 29.3 16.6 727 680 628 569 505 439 378 278

5.04 0

34.4 34.4 19.8 864 807 744 673 596 517 444 326

5.94 0

43.9 43.9 26 1130 1060 972 877 773 669 573 419

7.72 0

52.4 52.4 32 1390 1300 1190 1070 941 811 693 504

9.39 0

62.2 62.2 39.2 1700 1580 1450 1300 1140 978 832 603

11.3 0

35.3 35.3 168.3 16.2 722 686 647 604 557 506 454 355

- -

43.5 43.5 20.1 901 855 806 753 693 629 564 440

7.39 0

51.1 51.1 24 1070 1020 958 894 822 746 667 520

8.77 0

65.6 65.6 31.6 1410 1340 1260 1170 1080 973 868 674

11.4 0

79.2 79.2 39 1740 1650 1550 1440 1320 1190 1060 819

13.9 0

94.6 94.6 48 2140 2020 1900 1760 1610 1450 1290 990

16.9 0

47.3 47.3 193.7 18.7 845 810 772 732 688 640 589 485

- -

52.8 52.8 21 948 908 866 820 771 717 660 543

- -

57.9 57.9 23.3 1050 1010 959 909 854 794 730 600

- -

68.6 68.6 27.8 1260 1200 1150 1090 1020 947 870 714

11.7 0

88.6 88.6 36.6 1660 1580 1510 1430 1340 1240 1140 931

15.3 0

107 107 45.3 2040 1950 1860 1760 1650 1530 1400 1140

18.8 0

129 129 55.9 2520 2410 2290 2160 2020 1870 1710 1380

22.8 0

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le

   4.0

pyZ = 20.0

   5.0

pyZ = 24.4

   6.0

pyZ = 28.7

   8.0

pyZ = 36.6

   10.0

pyZ = 43.7

   12.5

pyZ = 51.8

   4.0

pyZ = 29.4

   5.0

pyZ = 36.2

   6.0

pyZ = 42.6

   8.0

pyZ = 54.7

   10.0

pyZ = 66.0

   12.5

pyZ = 78.8

   4.0

pyZ = 39.4

   4.5

pyZ = 44.0

   5.0

pyZ = 48.3

   6.0

pyZ = 57.2

   8.0

pyZ = 73.8

   10.0

pyZ = 89.5

   12.5

pyZ = 108

Page 339: Steel Section Capacities BS 5950 Spreadsheet

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation Mass

for and Capacities per for

D t Metre

0.9 1 mm mm kg 2 3 4 5 6 7 8 9

59.8 59.8 219.1 21.2 896 816 723 620 517 427 352 293

- -

67.7 67.7 23.8 1010 915 811 694 579 477 394 327

- -

75 75 26.4 1110 1010 898 768 640 527 435 362

- -

88.6 88.6 31.5 1330 1210 1070 916 762 627 517 430

15.2 0

115 115 41.6 1760 1600 1410 1200 996 818 673 559

19.8 0

140 140 51.6 2170 1970 1730 1470 1220 999 821 681

24.3 0

163 163 61.3 2580 2330 2050 1740 1430 1170 962 797

28.6 0

169 169 63.7 2670 2420 2130 1800 1490 1210 997 826

29.7 0

206 206 80.1 3350 3030 2650 2230 1830 1490 1220 1010

36.7 0

83.8 83.8 244.5 26.6 1140 1060 959 847 729 616 518 437

- -

94.1 94.1 29.5 1270 1170 1060 938 807 682 573 483

- -

112 112 35.3 1520 1400 1270 1120 961 811 681 573

- -

145 145 46.7 2000 1850 1670 1470 1260 1060 890 749

24.9 0

177 177 57.8 2480 2290 2060 1810 1550 1300 1090 917

30.5 0

207 207 68.8 2950 2710 2450 2140 1830 1530 1280 1080

36 0

214 214 71.5 3060 2820 2540 2220 1890 1590 1330 1110

37.4 0

262 262 90.2 3860 3540 3180 2780 2360 1970 1640 1380

46.5 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le

   4.0

pyZ = 50.8

   4.5

pyZ = 56.4

   5.0

pyZ = 62.5

   6.0

pyZ = 73.8

   8.0

pyZ = 95.9

   10.0

pyZ = 116

   12.0

pyZ = 136

   12.5

pyZ = 141

   16.0

pyZ = 171

   4.5

pyZ = 71.0

   5.0

pyZ = 78.5

   6.0

pyZ = 93.0

   8.0

pyZ = 121

   10.0

pyZ = 147

   12.0

pyZ = 173

   12.5

pyZ = 179

   16.0

pyZ = 219

COLD-FORMED   HYBOX 355

Page 340: Steel Section Capacities BS 5950 Spreadsheet

CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation Mass

for and Capacities per for

D t Metre

0.9 1 mm mm kg 2 3 4 5 6 7 8 9

88.4 88.4 273 26.5 1110 1040 961 874 779 681 589 506

- -

102 102 29.8 1300 1220 1120 1020 901 783 673 576

- -

116 116 33 1440 1350 1240 1130 997 866 744 637

- -

140 140 39.5 1720 1610 1480 1340 1190 1030 884 756

- -

183 183 52.3 2280 2130 1960 1770 1560 1350 1160 991

31.2 0

223 223 64.9 2820 2640 2420 2190 1930 1670 1430 1220

38.4 0

262 262 77.2 3360 3130 2880 2590 2280 1970 1680 1440

45.4 0

271 271 80.3 3480 3250 2980 2680 2360 2040 1740 1480

47.1 0

334 334 101 4400 4090 3750 3370 2950 2540 2160 1840

58.8 0

157 157 323.9 39.3 1720 1630 1530 1430 1310 1190 1060 940

- -

197 197 47 2090 1980 1860 1730 1590 1430 1270 1120

- -

261 261 62.3 2770 2630 2470 2300 2100 1900 1690 1490

- -

320 320 77.4 3440 3260 3060 2840 2600 2340 2080 1830

54.8 0

377 377 92.3 4120 3890 3650 3390 3100 2780 2470 2170

64.9 0

391 391 96 4250 4020 3780 3500 3200 2880 2550 2240

67.4 0

484 484 121 5400 5100 4790 4430 4040 3630 3210 2810

84.3 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le

 * 4.0

pyZ = 79.5

   4.5

pyZ = 89.1

   5.0

pyZ = 98.3

   6.0

pyZ = 117

   8.0

pyZ = 152

   10.0

pyZ = 186

   12.0

pyZ = 218

   12.5

pyZ = 226

   16.0

pyZ = 278

 * 5.0

pyZ = 140

   6.0

pyZ = 166

   8.0

pyZ = 217

   10.0

pyZ = 267

   12.0

pyZ = 314

   12.5

pyZ = 326

   16.0

pyZ = 403

COLD-FORMED   HYBOX 355

Page 341: Steel Section Capacities BS 5950 Spreadsheet

RESISTANCES AND CAPACITIES FOR S355

Section Designation Mass

for and Capacities per for

D t Metre

0.9 1 mm mm kg 2 3 4 5 6 7 8 9

186 186 355.6 43.2 1820 1740 1650 1560 1460 1350 1230 1110

- -

232 232 51.7 2330 2220 2100 1980 1840 1690 1540 1380

- -

316 316 68.6 3080 2940 2780 2620 2430 2230 2020 1820

- -

389 389 85.2 3840 3660 3460 3250 3020 2770 2510 2250

66.4 0

458 458 102 4580 4360 4130 3880 3600 3300 2990 2680

78.7 0

476 476 106 4750 4520 4280 4020 3730 3410 3080 2760

81.7 0

591 591 134 6020 5720 5410 5080 4700 4300 3880 3460

103 0

295 295 406.4 59.2 2560 2480 2380 2270 2150 2020 1880 1740

- -

417 417 78.6 3550 3420 3280 3120 2950 2760 2560 2350

- -

513 513 97.8 4440 4280 4090 3890 3670 3440 3190 2920

- -

607 607 117 5290 5100 4870 4640 4380 4100 3800 3480

104 0

630 630 121 5500 5300 5060 4810 4540 4250 3930 3600

108 0

785 785 154 6960 6690 6390 6070 5730 5350 4950 4530

136 0

BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997

CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING

MEMBER BUCKLING CHECK

RESISTANCES AND CAPACITIES FOR S355

Section Designation Mass

for and Capacities per for

D t Metre

0.9 1 mm mm kg 2 3 4 5 6 7 8 9

515 515 457 88.6 4010 3920 3780 3620 3460 3290 3100 2900

- -

654 654 110 4970 4860 4680 4480 4280 4060 3830 3580

- -

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le

 * 5.0

pyZ = 169

   6.0

pyZ = 201

   8.0

pyZ = 263

   10.0

pyZ = 324

   12.0

pyZ = 382

   12.5

pyZ = 397

   16.0

pyZ = 492

 * 6.0

pyZ = 264

   8.0

pyZ = 347

   10.0

pyZ = 428

   12.0

pyZ = 506

   12.5

pyZ = 525

   16.0

pyZ = 654

COLD-FORMED   HYBOX 355

(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc

Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le

   8.0

pyZ = 442

   10.0

pyZ = 545

Page 342: Steel Section Capacities BS 5950 Spreadsheet

775 775 132 5960 5830 5610 5370 5130 4860 4580 4270

132 0

804 804 137 6210 6070 5840 5600 5340 5060 4770 4450

137 0

1010 1010 174 7880 7690 7400 7090 6760 6410 6030 5620

173 0

622 622 508 98.6 4420 4370 4230 4080 3930 3770 3590 3410

- -

814 814 123 5540 5480 5290 5110 4910 4700 4480 4240

- -

965 965 147 6640 6560 6340 6120 5880 5630 5360 5070

- -

1000 1000 153 6920 6840 6610 6380 6130 5870 5590 5290

- -

1260 1260 194 8770 8660 8370 8070 7750 7420 7060 6680

215 0

   12.0

pyZ = 646

   12.5

pyZ = 670

   16.0

pyZ = 838

 * 8.0

pyZ = 549

   10.0

pyZ = 678

   12.0

pyZ = 804

   12.5

pyZ = 835

   16.0

pyZ = 1050

Page 343: Steel Section Capacities BS 5950 Spreadsheet

<>

for

6 7 8 9 10

0.654 0.483 0.372 0.295 0.24

0.776 0.574 0.441 0.35 0.284

0.879 0.65 0.5 0.396 0.322

1.33 0.982 0.756 0.6 0.488

1.6 1.19 0.915 0.726 0.59

1.83 1.35 1.04 0.827 0.672

2.23 1.65 1.27 1.01 0.821

2.38 1.76 1.36 1.08 0.876

3.26 2.42 1.87 1.48 1.21

3.81 2.83 2.18 1.73 1.41

4.27 3.17 2.45 1.94 1.58

4.69 3.48 2.68 2.13 1.73

4.9 3.64 2.81 2.24 1.82

5.74 4.26 3.29 2.62 2.13

6.47 4.81 3.71 2.95 2.4

7.13 5.3 4.09 3.25 2.65

8.39 6.23 4.81 3.83 3.11

Compression Resistance Pc (kN)

Varying effective lengths Le (m)

Page 344: Steel Section Capacities BS 5950 Spreadsheet

<>

for

6 7 8 9 10

9.68 7.22 5.58 4.45 3.63

11.3 8.42 6.52 5.19 4.24

12.8 9.57 7.4 5.9 4.81

14.4 10.7 8.29 6.61 5.39

17 12.7 9.8 7.81 6.37

19.3 14.4 11.2 8.95 7.31

22.8 17.1 13.3 10.6 8.65

26 19.5 15.1 12.1 9.87

29.1 21.8 16.9 13.5 11

35.2 26.4 20.5 16.3 13.3

36 27.1 21.1 16.9 13.8

41.3 31 24.2 19.3 15.8

46.5 34.9 27.2 21.8 17.8

56.3 42.3 32.9 26.3 21.5

74.4 56.5 44.3 35.7 29.3

85.7 65.1 51 41 33.7

96.7 73.5 57.6 46.3 38

118 89.7 70.3 56.5 46.4

137 104 81.8 65.7 54

Compression Resistance Pc (kN)

Varying effective lengths Le (m)

Page 345: Steel Section Capacities BS 5950 Spreadsheet

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for

6 7 8 9 10

170 131 103 83.5 68.9

208 160 127 102 84.4

244 188 148 120 98.8

312 240 190 153 126

376 289 228 184 152

449 344 271 219 180

276 217 174 142 117

342 268 215 175 145

403 316 253 206 171

520 408 326 265 220

632 494 395 321 266

761 594 474 386 319

391 314 255 210 175

436 351 285 234 195

482 387 314 258 215

573 460 373 307 256

745 597 483 397 331

907 725 587 482 401

1100 878 710 582 485

Compression Resistance Pc (kN)

Varying effective lengths Le (m)

Page 346: Steel Section Capacities BS 5950 Spreadsheet

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for

10 11 12 13 14

246 209 180 156 137

275 234 201 174 152

304 258 222 192 168

361 307 264 228 200

470 399 342 297 260

572 485 417 361 316

669 568 487 422 369

693 588 504 437 382

847 718 616 533 466

370 317 273 238 209

409 350 302 263 230

486 415 358 312 273

634 542 467 406 356

776 663 571 497 436

911 778 670 583 511

943 804 693 603 528

1160 993 855 743 651

<>

Compression Resistance Pc (kN)

Varying effective lengths Le (m)

Page 347: Steel Section Capacities BS 5950 Spreadsheet

for

10 11 12 13 14

435 376 327 286 252

494 426 370 323 285

546 471 409 357 315

649 559 485 424 373

849 731 634 554 488

1040 898 778 680 598

1230 1060 916 800 703

1270 1090 946 826 726

1570 1350 1170 1020 898

827 727 640 566 502

985 864 759 670 594

1310 1140 1010 888 787

1600 1400 1230 1090 963

1890 1660 1450 1280 1140

1960 1710 1500 1330 1170

2460 2150 1880 1660 1470

<>

Compression Resistance Pc (kN)

Varying effective lengths Le (m)

Page 348: Steel Section Capacities BS 5950 Spreadsheet

for

10 11 12 13 14

999 892 795 709 634

1230 1090 970 863 770

1620 1430 1270 1130 1010

2000 1770 1570 1390 1240

2380 2110 1870 1660 1480

2450 2170 1920 1700 1520

3070 2710 2400 2130 1900

1590 1450 1310 1180 1070

2140 1940 1750 1580 1420

2660 2400 2170 1950 1760

3170 2870 2580 2320 2090

3270 2960 2660 2390 2150

4110 3710 3340 3000 2700

<>

for

10 11 12 13 14

2690 2480 2270 2080 1890

3320 3050 2800 2550 2330

Compression Resistance Pc (kN)

Varying effective lengths Le (m)

Compression Resistance Pc (kN)

Varying effective lengths Le (m)

Page 349: Steel Section Capacities BS 5950 Spreadsheet

3960 3640 3330 3040 2770

4120 3790 3470 3170 2880

5200 4780 4370 3990 3630

3210 3000 2800 2590 2390

3990 3730 3470 3210 2960

4770 4450 4140 3820 3520

4970 4640 4310 3990 3670

6270 5850 5430 5020 4620