Pressure Design for Pipe
25
7/18/2019 Pressure Design for Pipe http://slidepdf.com/reader/full/pressure-design-for-pipe 1/25 PIPE WALL THICKNESS CALCULATION Reference: ASME B31.3-2001 Process Piping Material: API 5L Gr.B Description: Seamless pipe Operating temperature: 55 °C Internal design gauge pressure, P : 40 barg Sum of corrosion and erosion allowances: 3 mm Stress value for material, S: 1378.95 bar Quality factor, E: 1 Coefficient Y for t < D/6: 0.40 NPS (in) Outside diamete r of pipe, D (mm) Pressure design thickness, t = PD/ [2(SE+PY)] (mm) Height of thread (mech. allow.) (mm) Sum of mech. allow. plus cor. & erosion allow., c (mm) Min. req'd thk, incl. sum of mech. allow. plus cor. & erosion allow., t m = t+c (mm) Min. thickness, incl. mfr's minus tolerance, T= t m /(1−12.5 %) (mm) Selected thickness (mm) Selected pipe schedule Design min. temp. w/o impact testing (°C) 1/2 21.3 0.31 - 3.00 3.31 3.78 4.78 SCH 160 -29.0 3/4 26.7 0.38 - 3.00 3.38 3.87 5.56 SCH 160 -29.0 1 33.4 0.48 - 3.00 3.48 3.98 6.35 SCH 160 -29.0 1¼ 42.2 0.61 - 3.00 3.61 4.12 6.35 SCH 160 -29.0 1½ 48.3 0.69 - 3.00 3.69 4.22 7.14 SCH 160 -29.0 2 60.3 0.86 - 3.00 3.86 4.42 5.54 SCH 80/ XS -29.0 2½ 73 1.05 - 3.00 4.05 4.62 7.01 SCH 80/ XS -29.0 3 88.9 1.27 - 3.00 4.27 4.89 7.62 SCH 80/ XS -29.0 4 114.3 1.64 - 3.00 4.64 5.30 6.02 SCH 40/ STD -29.0 6 168.3 2.41 - 3.00 5.41 6.19 7.11 SCH 40/ STD -29.0 8 219.1 3.14 - 3.00 6.14 7.02 8.18 SCH 40/ STD -29.0 10 273.1 3.92 - 3.00 6.92 7.90 9.27 SCH 40/ STD -29.0 12 323.9 4.64 - 3.00 7.64 8.74 9.53 STD -29.0 14 355.6 5.10 - 3.00 8.10 9.26 11.10 SCH 40/ XS -29.0 16 406.4 5.83 - 3.00 8.83 10.09 12.70 SCH 40/ XS -25.8 18 457.2 6.56 - 3.00 9.56 10.92 12.70 XS -25.8 20 508 7.28 - 3.00 10.28 11.75 12.70 SCH 30/ XS -25.8 22 558.8 8.01 - 3.00 11.01 12.58 12.70 SCH 30/ XS -25.8 24 609.6 8.74 - 3.00 11.74 13.42 14.28 SCH 30 -17.6 Custom pipe size and thickness 8 219.1 3.14 - 3.00 6.14 7.02 7.11 - -29.0
description
Pressure Design for Pipe
Transcript of Pressure Design for Pipe
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PIPE WALL THICKNESS CALCULATION
Reference: ASME B31.3-2001 Process Piping
Material: API 5L Gr.B
Description: Seamless pipe
Operating temperature: 55 °C
Internal design gauge pressure, P:
40 bargSum of corrosion and erosion allowances: 3 mm
Stress value for material, S: 1378.95 bar
Quality factor, E: 1
Coefficient Y for t < D/6: 0.40
NPS
(in)
Outside
diamete
r of
pipe,
D (mm)
Pressure
design
thickness,
t = PD/
[2(SE+PY)]
(mm)
Height
of
thread
(mech.
allow.)
(mm)
Sum of
mech.
allow.
plus
cor. &
erosionallow.,
c (mm)
Min. req'd
thk, incl.
sum of
mech.
allow.
plus cor.& erosion
allow.,
tm= t+c
(mm)
Min.
thickness,
incl. mfr's
minus
tolerance,
T=tm/(1−12.5
%) (mm)
Selected
thickness
(mm)
Selected pipe
schedule
Design
min.
temp.
w/o
impact
testing(°C)
1/2 21.3 0.31 - 3.00 3.31 3.78 4.78 SCH 160 -29.0
3/4 26.7 0.38 - 3.00 3.38 3.87 5.56 SCH 160 -29.0
1 33.4 0.48 - 3.00 3.48 3.98 6.35 SCH 160 -29.0
1¼ 42.2 0.61 - 3.00 3.61 4.12 6.35 SCH 160 -29.0
1½ 48.3 0.69 - 3.00 3.69 4.22 7.14 SCH 160 -29.0
2 60.3 0.86 - 3.00 3.86 4.42 5.54 SCH 80/ XS -29.0
2½ 73 1.05 - 3.00 4.05 4.62 7.01 SCH 80/ XS -29.03 88.9 1.27 - 3.00 4.27 4.89 7.62 SCH 80/ XS -29.0
4 114.3 1.64 - 3.00 4.64 5.30 6.02 SCH 40/ STD -29.0
6 168.3 2.41 - 3.00 5.41 6.19 7.11 SCH 40/ STD -29.0
8 219.1 3.14 - 3.00 6.14 7.02 8.18 SCH 40/ STD -29.0
10 273.1 3.92 - 3.00 6.92 7.90 9.27 SCH 40/ STD -29.0
12 323.9 4.64 - 3.00 7.64 8.74 9.53 STD -29.0
14 355.6 5.10 - 3.00 8.10 9.26 11.10 SCH 40/ XS -29.0
16 406.4 5.83 - 3.00 8.83 10.09 12.70 SCH 40/ XS -25.8
18 457.2 6.56 - 3.00 9.56 10.92 12.70 XS -25.8
20 508 7.28 - 3.00 10.28 11.75 12.70 SCH 30/ XS -25.8
22 558.8 8.01 - 3.00 11.01 12.58 12.70 SCH 30/ XS -25.824 609.6 8.74 - 3.00 11.74 13.42 14.28 SCH 30 -17.6
Custom pipe size and thickness
8 219.1 3.14 - 3.00 6.14 7.02 7.11 - -29.0
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PIPE WALL THICKNESS CALCULATION
Reference: ASME B31.3-2001 Process Piping
Material: API 5L Gr.B
Description: Seamless pipe
Operating temperature: 55 °C
Internal design gauge pressure, P:
40 bargSum of corrosion and erosion allowances: 3 mm
Stress value for material, S: 1378.95 bar
Quality factor, E: 1
Coefficient Y for t < D/6: 0.40
DN
(mm)
Outside
diamete
r of
pipe,
D (mm)
Pressure
design
thickness,
t = PD/
[2(SE+PY)]
(mm)
Height
of
thread
(mech.
allow.)
(mm)
Sum of
mech.
allow.
plus
cor. &
erosionallow.,
c (mm)
Min. req'd
thk, incl.
sum of
mech.
allow.
plus cor.& erosion
allow.,
tm= t+c
(mm)
Min.
thickness,
incl. mfr's
minus
tolerance,
T=tm/(1−12.5
%) (mm)
Selected
thickness
(mm)
Selected pipe
schedule
Design
min.
temp.
w/o
impact
testing(°C)
15 21.3 0.31 - 3.00 3.31 3.78 4.78 SCH 160 -29.0
20 26.7 0.38 - 3.00 3.38 3.87 5.56 SCH 160 -29.0
25 33.4 0.48 - 3.00 3.48 3.98 6.35 SCH 160 -29.0
32 42.2 0.61 - 3.00 3.61 4.12 6.35 SCH 160 -29.0
40 48.3 0.69 - 3.00 3.69 4.22 7.14 SCH 160 -29.0
50 60.3 0.86 - 3.00 3.86 4.42 5.54 SCH 80/ XS -29.0
65 73 1.05 - 3.00 4.05 4.62 7.01 SCH 80/ XS -29.080 88.9 1.27 - 3.00 4.27 4.89 7.62 SCH 80/ XS -29.0
100 114.3 1.64 - 3.00 4.64 5.30 6.02 SCH 40/ STD -29.0
150 168.3 2.41 - 3.00 5.41 6.19 7.11 SCH 40/ STD -29.0
200 219.1 3.14 - 3.00 6.14 7.02 8.18 SCH 40/ STD -29.0
250 273.1 3.92 - 3.00 6.92 7.90 9.27 SCH 40/ STD -29.0
300 323.9 4.64 - 3.00 7.64 8.74 10.31 SCH 40 -29.0
350 355.6 5.10 - 3.00 8.10 9.26 11.10 SCH 40/ XS -29.0
400 406.4 5.83 - 3.00 8.83 10.09 12.70 SCH 40/ XS -25.8
450 457.2 6.56 - 3.00 9.56 10.92 12.70 XS -25.8
500 508 7.28 - 3.00 10.28 11.75 12.70 SCH 30/ XS -25.8
550 558.8 8.01 - 3.00 11.01 12.58 12.70 SCH 30/ XS -25.8600 609.6 8.74 - 3.00 11.74 13.42 14.28 SCH 30 -17.6
Custom pipe size and thickness
200 219.1 3.14 - 3.00 6.14 7.02 7.11 - -29.0
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MAXIMUM ALLOWABLE WORKING PRESSURE CALCULATION
Reference: ASME B31.3-2001 Process Piping
Material: API 5L Gr.B
Description: Seamless pipe
Operating temperature: 55 °C
Sum of corrosion and erosion allowances: 3 mmStress value for material, S: ###### bar
Quality factor, E: 1
Coefficient Y for t < D/6: 0.40
NPS
(in)
Outside
diamete
r of
pipe,
D (mm)
Pipe schedule Pipe
thickness,
T (mm)
Pipe
thickness
minus
mfr's
tolerance,
tm=
T(1−12.5%) (mm)
Height
of
thread
(mech.
allow.)
(mm)
Sum of
mech.
allow.
plus
cor. &
erosion
allow.,c (mm)
Pipe
thickness
minus
mfr's tol.,
mech.,
cor. &
erosionallow.,
t = tm− c
(mm)
MAWP,
derived
from eq. t
= PD/
[2(SE+PY
)], i.e.
P=2tSE/(D-
2tY)
(barg)
Min.
temp.
w/o
impact
testing
(°C)
2 60.3 SCH 80/ XS 5.54 4.84 - 3.00 1.84 86.49 -29.0
4 114.3 SCH 80/ XS 8.56 7.49 - 3.00 4.49 111.85 -29.0
8 219.1 SCH 40/ STD 8.18 7.16 - 3.00 4.16 53.13 -29.0
Custom pipe size and thickness
12 323.9 - 15.9 13.91 - 3.00 10.91 95.49 -13.1
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MAXIMUM ALLOWABLE WORKING PRESSURE CALCULATION
Reference: ASME B31.3-2001 Process Piping
Material: API 5L Gr.B
Description: Seamless pipe
Operating temperature: 55 °C
Sum of corrosion and erosion allowances: 3 mmStress value for material, S: ###### bar
Quality factor, E: 1
Coefficient Y for t < D/6: 0.40
NPS
(in)
Outside
diamete
r of
pipe,
D (mm)
Pipe schedule Pipe
thickness,
T (mm)
Pipe
thickness
minus
mfr's
tolerance,
tm=
T(1−12.5%) (mm)
Height
of
thread
(mech.
allow.)
(mm)
Sum of
mech.
allow.
plus
cor. &
erosion
allow.,c (mm)
Pipe
thickness
minus
mfr's tol.,
mech.,
cor. &
erosionallow.,
t = tm− c
(mm)
MAWP,
derived
from eq. t
= PD/
[2(SE+P
Y)], i.e.
P=2tSE/(D-
2tY)
(barg)
Min.
temp.
w/o
impact
testing
(°C)
50 60.3 SCH 80/ XS 5.54 4.84 - 3.00 1.84 86.49 -29.0
80 88.9 SCH 80/ XS 7.62 6.67 - 3.00 3.67 117.66 -29.0
200 219.1 SCH 40/ STD 8.18 7.16 - 3.00 4.16 53.13 -29.0
Custom pipe size and thickness
300 323.9 - 15.9 13.91 - 3.00 10.91 95.49 -13.1
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Material Group Group Group Min. Basic Allowable Stress S (bar) at Meta
(1) (2) (3) Temp. -268.9 37.8 65.6 93.3 121.1
ASTM A106 Gr.B A106 Ferritic CS B 1379 1379 1379 1379 1379
API 5L Gr.B API Ferritic CS B 1379 1379 1379 1379 1379
API 5L Gr.X52 API Ferritic CS A 1517 1517 1517 1517 1517
API 5L Gr.X60 API Ferritic CS A 1724 1724 1724 1724 1724
API 5L Gr.X65 API Ferritic CS A 1772 1772 1772 1772 1772ASTM A312 Gr.TP304L SS Austeni SS -253.9 1151 1151 1151 1151 1151
ASTM A312 Gr.TP304 SS Austeni SS -253.9 1379 1379 1379 1379 1379
ASTM A312 Gr.TP316L SS Austeni SS -253.9 1151 1151 1151 1151 1151
ASTM A312 Gr.TP316 SS Austeni SS -253.9 1379 1379 1379 1379 1379
ASTM A269 Gr.TP304L SS Austeni SS -253.9 1151 1151 1151 1151 1151
ASTM A269 Gr.TP304 SS Austeni SS -253.9 1379 1379 1379 1379 1379
ASTM A269 Gr.TP316L SS Austeni SS -253.9 1151 1151 1151 1151 1151
ASTM A269 Gr.TP316 SS Austeni SS -253.9 1379 1379 1379 1379 1379
ASTM A333 Gr.3 LTCS Ferritic CS -101.1 1496 1496 1424 1351 1351
ASTM A333 Gr.6 LTCS Ferritic CS -45.56 1379 1379 1379 1379 1379
CuNi 90/10 ASTM B466 SCN Other d CN -268.9 599.8 599.8 579.2 572.3 551.6CuNi 90/10 ASTM B467 WCN Other d CNL -268.9 599.8 599.8 579.2 572.3 551.6
CuNi 90/10 ASTM B467 WCN Other d CNS -268.9 689.5 689.5 668.8 655 641.2
A
A106DE A106E SCNDE SCNE T (mm)(Temp Min. Temp. (°
Seamless pipe 1 Seamless pip 1 10 0 -10 -9.837
11.5 100 0 -1.251
APIDE APIE WCNDE WCNE 17 400 10 10.99
Seamless pipe 1 Electric resis 0.85 20 600.3 14.5 15.06
Electric resistance welded 0.85 Electric fusi 0.85 30 1190 24.5 24.61
Electric fusion welded pip 0.95 Electric fusi 0.8 40 1681 31 31.02
Furnace butt welded 0.6 50 2116 36 35.6260 2401 39 38.94
SSDE SSE 70 2601 41 41.22
Seamless tube 1
Electric fusion welded tub 0.85
Electric fusion welded tub 0.8
LTCSDE LTCSE
Seamless pipe 1
Electric resistance welded 0.85
Y for t<D/6Group (2)\Temperature 482 510 538 566 593 621
Ferritic steel 0.4 0.5 0.7 0.7 0.7 0.7
Austenitic steel 0.4 0.4 0.4 0.4 0.5 0.7
Other ductile metal 0.4 0.4 0.4 0.4 0.4 0.4
CSD CSDD CS(DN)WT
NPS DN OD (m Wall thickness (mm)
1/8 6 10.3 0.889 1.245 1.448 1.727 2.413
y = -0.4277x2 + 78.
-500
0
500
1000
1500
2000
2500
3000
0 20 40 60
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1/4 8 13.7 1.245 1.651 1.854 2.235 3.023
3/8 10 17.2 1.245 1.651 1.854 2.311 3.2
1/2 15 21.3 1.651 2.108 2.413 2.769 3.734 4.775 7.468
3/4 20 26.7 1.651 2.108 2.413 2.87 3.912 5.563 7.823
1 25 33.4 1.651 2.769 2.896 3.378 4.547 6.35 9.093
1¼ 32 42.2 1.651 2.769 2.972 3.556 4.851 6.35 9.703
1½ 40 48.3 1.651 2.769 3.175 3.683 5.08 7.137 10.162 50 60.3 1.651 2.769 3.175 3.912 5.537 6.35 8.712
2½ 65 73 2.108 3.048 4.775 5.156 7.01 7.62 9.525
3 80 88.9 2.108 3.048 4.775 5.486 7.62 8.89 11.13
3½ 90 101.6 2.108 3.048 4.775 5.74 8.077 16.15
4 100 114.3 2.108 3.048 4.775 6.02 7.137 8.56 11.1
4½ 115 127 6.274 9.017 18.03
5 125 141.3 2.769 3.404 6.553 9.525 12.7 15.88 19.05
6 150 168.3 2.769 3.404 7.112 10.97 14.28 18.26 21.95
8 200 219.1 2.769 3.759 6.35 7.036 8.179 10.31 12.7
10 250 273.1 3.404 4.191 6.35 7.798 9.271 12.7 15.06
12 300 323.9 4.191 4.572 6.35 8.382 9.525 10.31 12.714 350 355.6 3.962 6.35 7.925 9.525 11.1 12.7 15.06
16 400 406.4 4.191 6.35 7.925 9.525 12.7 16.66 21.41
18 450 457.2 4.191 6.35 7.925 9.525 11.1 12.7 14.28
20 500 508 4.775 6.35 9.525 12.7 15.06 20.63 26.19
22 550 558.8 4.775 6.35 9.525 12.7 22.23 28.58 34.93
24 600 609.6 5.537 6.35 9.525 12.7 14.28 17.45 24.59
26 650 660.4 7.925 9.525 12.7
28 700 711.2 7.925 9.525 12.7 15.88
30 750 762 7.925 9.525 12.7 15.88
32 800 812.8 7.925 9.525 12.7 15.88 17.48
34 850 863.6 7.925 9.525 12.7 15.88 17.4836 900 914.4 7.925 9.525 12.7 15.88 19.05
38 950 965.2 9.525 12.7
40 1000 1016 9.525 12.7
42 1050 1067 9.525 12.7
44 1100 1118 9.525 12.7
46 1150 1168 9.525 12.7
48 1200 1219 9.525 12.7
SSD SSDD SS(DN)WT SS(DN)SCH
NPS DN OD (m Wall thickness (mm) Schedule
1/8 6 10.3 1.245 1.727 2.413 SCH 10SCH 40SCH 801/4 8 13.7 1.651 2.235 3.023 SCH 10SCH 40SCH 80
3/8 10 17.2 1.651 2.311 3.2 SCH 10SCH 40SCH 80
1/2 15 21.3 2.108 2.769 3.734 SCH 10SCH 40SCH 80
3/4 20 26.7 2.108 2.87 3.912 SCH 10SCH 40SCH 80
1 25 33.4 2.769 3.378 4.547 SCH 10SCH 40SCH 80
1¼ 32 42.2 2.769 3.556 4.851 SCH 10SCH 40SCH 80
1½ 40 48.3 2.769 3.683 5.08 SCH 10SCH 40SCH 80
2 50 60.3 2.769 3.912 5.537 SCH 10SCH 40SCH 80
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2½ 65 73 3.048 5.156 7.01 SCH 10SCH 40SCH 80
3 80 88.9 3.048 5.486 7.62 SCH 10SCH 40SCH 80
3½ 90 101.6 3.048 5.74 8.077 SCH 10SCH 40SCH 80
4 100 114.3 3.048 6.02 8.56 SCH 10SCH 40SCH 80
4½ 115 127 6.274 9.017 SCH 40SCH 80S
5 125 141.3 3.404 6.553 9.525 SCH 10SCH 40SCH 80
6 150 168.3 3.404 7.112 10.97 SCH 10SCH 40SCH 808 200 219.1 3.759 8.179 12.7 SCH 10SCH 40SCH 80
10 250 273.1 3.404 4.191 9.271 12.7 SCH 5SSCH 10SCH 40
12 300 323.9 3.962 4.572 9.525 12.7 SCH 5SSCH 10SCH 40
14 350 355.6 3.962 4.775 9.525 12.7 SCH 5SSCH 10SCH 40
16 400 406.4 4.191 4.775 9.525 12.7 SCH 5SSCH 10SCH 40
18 450 457.2 4.191 4.775 9.525 12.7 SCH 5SSCH 10SCH 40
20 500 508 4.775 5.537 9.525 12.7 SCH 5SSCH 10SCH 40
22 550 558.8 4.775 5.537 9.525 SCH 5SSCH 10SCH 40
24 600 609.6 5.537 6.35 9.525 12.7 SCH 5SSCH 10SCH 40
26 650 660.4 9.525 12.7 SCH 40SCH 80S
28 700 711.2 9.525 12.7 SCH 40SCH 80S30 750 762 6.35 7.925 9.525 12.7 SCH 5SSCH 10SCH 40
32 800 812.8 9.525 12.7 SCH 40SCH 80S
34 850 863.6 9.525 12.7 SCH 40SCH 80S
36 900 914.4 9.525 12.7 SCH 40SCH 80S
CND CNDD CN(DN)WT CN(DN)SCH
NPS DN OD (m Wall thickness (mm) Class Wall th
1/8 6 10.3 1.575 2.54 Regular Extra Strong 0.062
1/4 8 13.7 1.651 2.083 3.124 Class 2 Regular Extra S 0.065
3/8 10 17.2 1.651 2.286 3.226 Class 2 Regular Extra S 0.065
1/2 15 21.3 1.651 2.718 3.785 Class 2 Regular Extra S 0.0653/4 20 26.7 1.651 2.896 3.988 Class 2 Regular Extra S 0.065
1 25 33.4 1.651 3.2 4.623 Class 2 Regular Extra S 0.065
1¼ 32 42.2 1.829 3.708 4.928 Class 2 Regular Extra S 0.072
1½ 40 48.3 1.829 3.81 5.156 Class 2 Regular Extra S 0.072
2 50 60.3 2.108 3.962 5.613 Class 2 Regular Extra S 0.083
2½ 65 73 2.108 4.75 7.112 Class 2 Regular Extra S 0.083
3 80 88.9 2.413 5.563 7.722 Class 2 Regular Extra S 0.095
3½ 90 101.6 2.413 6.35 8.153 Class 2 Regular Extra S 0.095
4 100 114.3 2.769 6.35 8.661 Class 2 Regular Extra S 0.109
5 125 141.3 3.175 6.35 9.525 Class 2 Regular Extra S 0.125
6 150 168.3 3.404 6.35 11.1 Class 2 Regular Extra S 0.1348 200 219.1 3.759 Class 200 0.148
10 250 273.1 3.404 4.75 Class 5 Class 200 0.134
12 300 323.9 3.962 6.35 Class 5 Class 200 0.156
14 350 355.6 4.191 6.35 Class 5 Class 200 0.165
16 400 406.4 4.191 6.35 Class 5 Class 200 0.165
18 450 457.2 4.572 6.35 Class 5 Class 200 0.18
20 500 508 4.572 6.35 Class 5 Class 200 0.18
22 550 558.8 4.572 6.35 Class 5 Class 200 0.18
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24 600 609.6 6.35 Class 200 0.25
30 750 762 6.35 Class 50 0.25
40 1000 1016 7.925 Class 50 0.312
CNLD CNLDD CNL(DN)WT CNL(DN)SCH
NPS DN OD (m Wall thickness (mm) Class Wall th
5 125 141.3 3.175 6.35 9.525 Class 2 Regular Extra S 0.1256 150 168.3 3.404 6.35 11.1 Class 2 Regular Extra S 0.134
8 200 219.1 3.759 Class 200 0.148
10 250 273.1 3.404 4.75 Class 5 Class 200 0.134
12 300 323.9 3.962 6.35 Class 5 Class 200 0.156
14 350 355.6 4.191 6.35 Class 5 Class 200 0.165
16 400 406.4 4.191 6.35 Class 5 Class 200 0.165
18 450 457.2 4.572 6.35 Class 5 Class 200 0.18
20 500 508 4.572 6.35 Class 5 Class 200 0.18
22 550 558.8 4.572 6.35 Class 5 Class 200 0.18
24 600 609.6 6.35 Class 200 0.25
30 750 762 6.35 Class 50 0.2540 1000 1016 7.925 Class 50 0.312
CNSD CNSDD CNS(DN)WT CNS(DN)SCH
NPS DN OD (m Wall thickness (mm) Class Wall th
1/8 6 10.3 1.575 2.54 Regular Extra Strong 0.062
1/4 8 13.7 1.651 2.083 3.124 Class 2 Regular Extra S 0.065
3/8 10 17.2 1.651 2.286 3.226 Class 2 Regular Extra S 0.065
1/2 15 21.3 1.651 2.718 3.785 Class 2 Regular Extra S 0.065
3/4 20 26.7 1.651 2.896 3.988 Class 2 Regular Extra S 0.065
1 25 33.4 1.651 3.2 4.623 Class 2 Regular Extra S 0.065
1¼ 32 42.2 1.829 3.708 4.928 Class 2 Regular Extra S 0.0721½ 40 48.3 1.829 3.81 5.156 Class 2 Regular Extra S 0.072
2 50 60.3 2.108 3.962 5.613 Class 2 Regular Extra S 0.083
2½ 65 73 2.108 4.75 7.112 Class 2 Regular Extra S 0.083
3 80 88.9 2.413 5.563 7.722 Class 2 Regular Extra S 0.095
3½ 90 101.6 2.413 6.35 8.153 Class 2 Regular Extra S 0.095
4 100 114.3 2.769 6.35 8.661 Class 2 Regular Extra S 0.109
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l Temperature (°C)
148.9 176.7 204.4 232.2 260.0 287.8 315.6 343.3 371.1 398.9 426.7 454.4 482.2
1379 1379 1379 1341 1303 1248 1193 1172 1138 896.3 744.6 599.8 448.2
1379 1379 1379 1341 1303 1248 1193 1172 1138 896.3 744.6 599.8 448.2
1517 1517 1517 0 0 0 0 0 0 0 0 0 0
1724 1724 1724 0 0 0 0 0 0 0 0 0 0
1772 1772 1772 0 0 0 0 0 0 0 0 0 01151 1120 1089 1055 1020 992.8 965.3 944.6 930.8 917 896.3 882.5 820.5
1379 1334 1289 1248 1207 1169 1131 1117 1103 1076 1048 1027 1007
1151 1110 1069 1031 992.8 961.8 930.8 910.1 889.4 868.7 854.9 834.3 813.6
1379 1355 1331 1282 1234 1203 1172 1151 1124 1110 1096 1082 1069
1151 1120 1089 1055 1020 992.8 965.3 944.6 930.8 917 896.3 882.5 820.5
1379 1334 1289 1248 1207 1169 1131 1117 1103 1076 1048 1027 1007
1151 1110 1069 1031 992.8 961.8 930.8 910.1 889.4 868.7 854.9 834.3 813.6
1379 1355 1331 1282 1234 1203 1172 1151 1124 1110 1096 1082 1069
1351 1320 1289 1258 1227 1193 1158 1124 1069 958.4 786 620.5 448.2
1379 1379 1379 1341 1303 1248 1193 1172 1138 896.3 744.6 599.8 448.2
537.8 530.9 524 517.1 503.3 482.6 413.7 0 0 0 0 0 0537.8 530.9 524 517.1 503.3 482.6 413.7 0 0 0 0 0 0
620.5 599.8 599.8 592.9 551.6 482.6 413.7 0 0 0 0 0 0
B
) T (mm (Temp Min. Temp. (°C)
10.39 12.5 0 -29 -28.8 12.57
13.5 81 -20 -20.54
17.5 361 -10 -9.803
20 529 -6 -5.642
30 1190 5.5 5.475
40 1722 12.5 12.55
50 2162 17.5 17.4860 2500 21 20.9
70 2704 23 23.1
CS(DN)SCH
Schedule
SCH 5 SCH 10SCH 30SCH 40SCH 80/ XS
.343x - 767.94
80
Series1
Poly. (Series1)
y = -0.5232x2 + 90.442x - 1054.9
-500
0
500
1000
1500
2000
2500
3000
0 20 40 60 80
Series1
Poly. (Series1)
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SCH 5 SCH 10SCH 30SCH 40SCH 80/ XS
SCH 5 SCH 10SCH 30SCH 40SCH 80/ XS
SCH 5 SCH 10SCH 30SCH 40SCH 80SCH 16XXS
SCH 5 SCH 10SCH 30SCH 40SCH 80SCH 16XXS
SCH 5 SCH 10SCH 30SCH 40SCH 80SCH 16XXS
SCH 5 SCH 10SCH 30SCH 40SCH 80SCH 16XXS
SCH 5 SCH 10SCH 30SCH 40SCH 80SCH 16XXS11.07 SCH 5 SCH 10SCH 30SCH 40 SCH 80SCH 12SCH 16
14.02 SCH 5 SCH 10SCH 30SCH 40 SCH 80SCH 12SCH 16
15.24 SCH 5 SCH 10SCH 30SCH 40 SCH 80SCH 12SCH 16
SCH 5 SCH 10SCH 30SCH 40SCH 80XXS
13.49 17.12 SCH 5 SCH 10SCH 30SCH 40 SCH 60SCH 80SCH 10
SCH 40SCH 80XXS
SCH 5 SCH 10SCH 40SCH 80 SCH 12SCH 16XXS
SCH 5 SCH 10SCH 40SCH 80 SCH 12SCH 16XXS
15.06 18.26 20.63 23.01 22.23 SCH 5 SCH 10 SCH 20 SCH 30 SCH 40SCH 60SCH 80
18.24 21.41 25.4 28.58 SCH 5 SCH 10SCH 20SCH 30 SCH 40SCH 60SCH 80
14.28 17.45 21.41 25.4 28.58 33.33 SCH 5 SCH 10 SCH 20 SCH 30 STD SCH 40 XS19.05 23.8 27.76 31.75 35.71 SCH 5 SCH 10SCH 20SCH 30 SCH 40XS SCH 60
26.19 30.94 36.5 40.46 SCH 5 SCH 10SCH 20SCH 30 SCH 40SCH 60SCH 80
19.05 23.8 29.36 34.93 39.68 45.24 SCH 5 SCH 10 SCH 20 STD SCH 30 XS SCH 40
32.51 38.1 44.45 49.99 SCH 5 SCH 10SCH 20SCH 30 SCH 40SCH 60SCH 80
41.28 47.63 53.98 SCH 5 SCH 10SCH 20SCH 30 SCH 60SCH 80SCH 10
30.94 38.89 46.03 52.38 59.51 SCH 5 SCH 10SCH 20XS SCH 30 SCH 40 SCH 60
SCH 10STD SCH 20/ XS
SCH 10 STD SCH 20SCH 30
SCH 10 STD SCH 20SCH 30
SCH 10 STD SCH 20SCH 30SCH 40
SCH 10 STD SCH 20SCH 30SCH 40SCH 10 STD SCH 20SCH 30SCH 40
STD XS
STD XS
STD XS
STD XS
STD XS
STD XS
S S
S
S
S
S
S
S
S
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S
S
S
S
S
S S
SCH 80S
SCH 80S
SCH 80S
SCH 80S
SCH 80S
SCH 80S
S
SCH 80S
SCH 80S
ickness (in)
0.1
0.082 0.123
0.09 0.127
0.107 0.1490.114 0.157
0.126 0.182
0.146 0.194
0.15 0.203
0.156 0.221
0.187 0.28
0.219 0.304
0.25 0.321
0.25 0.341
0.25 0.375
0.25 0.437
0.187
0.25
0.25
0.25
0.25
0.25
0.25
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ickness (in)
0.25 0.3750.25 0.437
0.187
0.25
0.25
0.25
0.25
0.25
0.25
ickness (in)
0.1
0.082 0.123
0.09 0.127
0.107 0.149
0.114 0.157
0.126 0.182
0.146 0.1940.15 0.203
0.156 0.221
0.187 0.28
0.219 0.304
0.25 0.321
0.25 0.341
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Min.
510.0 537.8 565.6 593.3 621.1 648.9 676.7 704.4 732.2 760.0 787.8 815.6 Temp.
310.3 172.4 110.3 68.95 0 0 0 0 0 0 0 0 B
310.3 172.4 110.3 68.95 0 0 0 0 0 0 0 0 B
0 0 0 0 0 0 0 0 0 0 0 0 A
0 0 0 0 0 0 0 0 0 0 0 0 A
0 0 0 0 0 0 0 0 0 0 0 0 A682.6 537.8 434.4 351.6 275.8 220.6 179.3 144.8 117.2 75.84 68.95 62.05 -425
992.8 951.5 841.2 668.8 530.9 413.7 324.1 255.1 199.9 158.6 124.1 96.53 -425
792.9 772.2 744.6 703.3 606.7 441.3 324.1 241.3 172.4 124.1 89.63 68.95 -425
1062 1055 999.7 854.9 675.7 510.2 379.2 282.7 213.7 158.6 117.2 89.63 -425
682.6 537.8 434.4 351.6 275.8 220.6 179.3 144.8 117.2 75.84 68.95 62.05 -425
992.8 951.5 841.2 668.8 530.9 413.7 324.1 255.1 199.9 158.6 124.1 96.53 -425
792.9 772.2 744.6 703.3 606.7 441.3 324.1 241.3 172.4 124.1 89.63 68.95 -425
1062 1055 999.7 854.9 675.7 510.2 379.2 282.7 213.7 158.6 117.2 89.63 -425
310.3 172.4 110.3 68.95 0 0 0 0 0 0 0 0 -150
310.3 172.4 110.3 68.95 0 0 0 0 0 0 0 0 -50
0 0 0 0 0 0 0 0 0 0 0 0 -4520 0 0 0 0 0 0 0 0 0 0 0 -452
0 0 0 0 0 0 0 0 0 0 0 0 -452
THRD(DN)
NPS DN Thread height Thread height
1/8 6 - 0.753 0.03
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1/4 8 - 1.129 0.044
3/8 10 - 1.129 0.044
1/2 15 - 1.451 0.057
3/4 20 - 1.451 0.057
1 25 - 1.767 0.07
1¼ 32 - 1.767 0.07
1½ 40 - 1.767 0.07XXS 2 50 - 1.767 0.07
XXS 2½ 65 - 2.54 0.1
XXS 3 80 - 2.54 0.1
3½ 90 - 2.54 0.1
SCH 16 XXS 4 100 - 2.54 0.1
4½ 115 -
5 125 - 2.54 0.1
6 150 - 2.54 0.1
SCH 10 SCH 12SCH 14SCH 16XXS 8 200 - 2.54 0.1
SCH 10 SCH 12SCH 14SCH 160 10 250 - 2.54 0.1
SCH 60 SCH 80SCH 10SCH 12SCH 14 SCH 160 12 300 - 2.54 0.1SCH 80 SCH 10SCH 12SCH 14SCH 160 14 350 - 2.54 0.1
SCH 10 SCH 12SCH 14SCH 160 16 400 - 2.54 0.1
SCH 60 SCH 80SCH 10SCH 12SCH 14 SCH 160 18 450 - 2.54 0.1
SCH 10 SCH 12SCH 14SCH 160 20 500 - 2.54 0.1
SCH 12 SCH 14SCH 160 22 550 -
SCH 80 SCH 10SCH 12SCH 14SCH 160 24 600 - 2.54 0.1
26 650 -
28 700 -
30 750 -
32 800 -
34 850 -36 900 -
38 950 -
40 1000 -
42 1050 -
44 1100 -
46 1150 -
48 1200 -
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Basic Allowable Stress S (ksi) at Metal Temperature (°F)
-452 100 150 200 250 300 350 400 450 500 550 600 650
20 20 20 20 20 20 20 20 19.45 18.9 18.1 17.3 17
20 20 20 20 20 20 20 20 19.45 18.9 18.1 17.3 17
22 22 22 22 22 22 22 22
25 25 25 25 25 25 25 25
25.7 25.7 25.7 25.7 25.7 25.7 25.7 25.716.7 16.7 16.7 16.7 16.7 16.7 16.25 15.8 15.3 14.8 14.4 14 13.7
20 20 20 20 20 20 19.35 18.7 18.1 17.5 16.95 16.4 16.2
16.7 16.7 16.7 16.7 16.7 16.7 16.1 15.5 14.95 14.4 13.95 13.5 13.2
20 20 20 20 20 20 19.65 19.3 18.6 17.9 17.45 17 16.7
16.7 16.7 16.7 16.7 16.7 16.7 16.25 15.8 15.3 14.8 14.4 14 13.7
20 20 20 20 20 20 19.35 18.7 18.1 17.5 16.95 16.4 16.2
16.7 16.7 16.7 16.7 16.7 16.7 16.1 15.5 14.95 14.4 13.95 13.5 13.2
20 20 20 20 20 20 19.65 19.3 18.6 17.9 17.45 17 16.7
21.7 21.7 20.65 19.6 19.6 19.6 19.15 18.7 18.25 17.8 17.3 16.8 16.3
20 20 20 20 20 20 20 20 19.45 18.9 18.1 17.3 17
8.7 8.7 8.4 8.3 8 7.8 7.7 7.6 7.5 7.3 7 68.7 8.7 8.4 8.3 8 7.8 7.7 7.6 7.5 7.3 7 6
10 10 9.7 9.5 9.3 9 8.7 8.7 8.6 8 7 6
ODMI THRDM(ODmin)
OD mi Thread height (mm)
6 - 0.753
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12 - 1.129
20 - 1.451
32 - 1.767
73 - 2.54
660 -
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700 750 800 850 900 950 1000 1050 1100 1150 1200
16.5 13 10.8 8.7 6.5 4.5 2.5 1.6 1
16.5 13 10.8 8.7 6.5 4.5 2.5 1.6 1
13.5 13.3 13 12.8 11.9 9.9 7.8 6.3 5.1 4 3.2
16 15.6 15.2 14.9 14.6 14.4 13.8 12.2 9.7 7.7 6
12.9 12.6 12.4 12.1 11.8 11.5 11.2 10.8 10.2 8.8 6.4
16.3 16.1 15.9 15.7 15.5 15.4 15.3 14.5 12.4 9.8 7.4
13.5 13.3 13 12.8 11.9 9.9 7.8 6.3 5.1 4 3.2
16 15.6 15.2 14.9 14.6 14.4 13.8 12.2 9.7 7.7 6
12.9 12.6 12.4 12.1 11.8 11.5 11.2 10.8 10.2 8.8 6.4
16.3 16.1 15.9 15.7 15.5 15.4 15.3 14.5 12.4 9.8 7.4
15.5 13.9 11.4 9 6.5 4.5 2.5 1.6 1
16.5 13 10.8 8.7 6.5 4.5 2.5 1.6 1
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1250 1300 1350 1400 1450 1500
2.6 2.1 1.7 1.1 1 0.9
4.7 3.7 2.9 2.3 1.8 1.4
4.7 3.5 2.5 1.8 1.3 1
5.5 4.1 3.1 2.3 1.7 1.3
2.6 2.1 1.7 1.1 1 0.9
4.7 3.7 2.9 2.3 1.8 1.4
4.7 3.5 2.5 1.8 1.3 1
5.5 4.1 3.1 2.3 1.7 1.3
