china high quality drill pipe wholesale in world marking
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Drill Pipe Drill pipe is made from alloy steel. Acc.to API Spec.5DP. All threads are phosphated, copperized or cold worked. All connections are equipped with pressed steel thread protectors. All threads are machined with CNC Lathes-Double-shouldered and special threads. ◆Drill Pipe Size Size （inch） Weight Designa tion（P PF） Calculated Weight Wall Thickness Grade Upset Ends Tools Joint Designatio n lb/ft kg/m in mm 2 3/8 6.65 6.27 9.33 0.280 7.11 E、X、G、 S EU NC26 2 7/8 10.40 9.72 14.47 0.362 9.19 E、X、G、 S EU、I U NC31 3 1/2 9.50 8.81 13.12 0.254 6.45 E、X、G、 S EU、I U NC38 3 1/2 13.30 12.32 18.34 0.368 9.35 E、X、G、 S EU、I U NC38、NC40 3 1/2 15.50 14.64 21.79 0.449 11.4 E、X、G、 S EU、I EU NC38、NC40 4 14.00 12.95 19.27 0.330 8.38 E、X、G、 S EU、I U NC40 4 1/2 13.75 12.25 18.23 0.271 6.88 E、X、G、 S EU、I U NC46 4 1/2 16.60 15.00 22.32 0.337 8.56 E、X、G、 S EU、I U NC46 4 1/2 20.00 18.71 27.84 0.430 10.92 E、X、G、 S EU、I U NC46 5 16.25 14.88 22.16 0.296 7.52 E、X、G、 S IU NC50
Transcript of china high quality drill pipe wholesale in world marking
Drill Pipe
Drill pipe is made from alloy steel. Acc.to API Spec.5DP. All
threads are phosphated, copperized or cold worked. All
connections are equipped with pressed steel thread protectors. All
threads are machined with CNC Lathes-Double-shouldered and
special threads.
Drill ◆ Pipe Size
Size
（inch）
Weight
Designati
on（PPF
）
Calculated Weight Wall Thickness
GradeUpset
Ends
Tools Joint
Designationlb/ft kg/m in mm
2 3/8 6.65 6.27 9.33 0.280 7.11 E、X、G、S EU NC26
2 7/8 10.40 9.72 14.47 0.362 9.19 E、X、G、S EU、IU NC31
3 1/2 9.50 8.81 13.12 0.254 6.45 E、X、G、S EU、IU NC38
3 1/2 13.30 12.32 18.34 0.368 9.35 E、X、G、S EU、IU NC38、NC40
3 1/2 15.50 14.64 21.79 0.449 11.4 E、X、G、SEU、IE
UNC38、NC40
4 14.00 12.95 19.27 0.330 8.38 E、X、G、S EU、IU NC40
4 1/2 13.75 12.25 18.23 0.271 6.88 E、X、G、S EU、IU NC46
4 1/2 16.60 15.00 22.32 0.337 8.56 E、X、G、S EU、IU NC46
4 1/2 20.00 18.71 27.84 0.430 10.92 E、X、G、S EU、IU NC46
5 16.25 14.88 22.16 0.296 7.52 E、X、G、S IU NC50
5 19.50 17.95 26.70 0.362 9.19 E、X、G、S IEU NC50
5 25.60 24.05 35.80 0.500 12.7 E、X、G、S IEU NC50
5 1/2 21.90 19.83 29.52 0.361 9.17 E、X、G、S IEU 5 1/2FH
5 1/2 24.70 22.56 33.57 0.415 10.54 E、X、G、S IEU 5 1/2FH
6 5/8 25.20 22.21 33.04 0.330 8.38 E、X、G、S IEU 5 1/2FH
6 5/8 27.72 24.24 36.06 0.362 9.19 E、X、G、S IEU 5 1/2FH
◆ Mechanical Properties
Steel
Grade
Yield Strength Tensile strength Elongation Impact
AKV(J)
Min. Max. Min. MIN 10*10
psi Mpa psi Mpa psi Mpa % (-20℃)
E75 75000 517 10500
0
724 100000 689 API 5DP ≥95
X97 95000 655 12500
0
862 105000 724 ≥81
G105 10500
0
724 13500
0
931 115000 793 ≥68
S135 13500
0
931 16500
0
1138 145000 1000 ≥54
◆ Mechanical Properties for welding zone
Steel
Grade
Min.Yield Strength
σt
Mpa
Min.Tensile
Strength
σb
Mpa
Min.Elongatio
n
%
Min
Impact
AKV(J)
E75 517 689 13 ≥30
10*10
20℃X97 609 712
G105 655 724
S135 724 793
