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Drill Pipe
Drill Pipe
Uses: For well drilling
Dimension:

Size designation

Calculated weight

Tool joint designation

Calculated weight

grade

Wall thickness

Upset ends

in

1b/ft

Kg/m

in

mm

2 3/8

6.65

NC26

6.26

9.32

E.X.G.S

0.28

7.11

EU

2 7/8

10.4

NC31

9.72

14.48

E.X.G.S

0.362

9.19

EU

3 1/2

13.3

NC38

12.31

18.34

E.X.G.S

0.368

9.35

EU

3 1/2

15.5

NC38,NC40

14.63

21.79

E.X.G.S

0.449

11.4

EU

4

14

NC40,NC46

12.93

19.26

E.X.G.S

0.33

8.38

IU,EU

4 1/2

16.6

NC46,NC50

14.98

22.31

E.X.G.S

0.337

8.56

EU,IEU

4 1/2

20

NC46,NC50

18.69

27.84

E.X.G.S

0.43

10.92

EU,IEU

5

19.5

NC50,NC52

17.93

26.71

E.X.G.S

0.362

9.19

IEU

5

25.6

NC50,5 1/2FH

24.03

35.79

E.X.G.S

0.5

12.7

IEU

5 1/2

21.9

5 1/2FH

19.81

29.51

E.X.G.S

0.361

9.17

IEU

5 1/2

24.7

5 1/2FH

22.54

33.57

E.X.G.S

0.415

10.54

IEU

6 5/8

25.2

6 5/8FH

22.19

33

E.X.G.S

0.33

8.387

IEU

6 5/8

27.7

6 5/8FH

24.21

41

E.X.G.S

0.362

9.19

IEU


Chemical Composition(%):

Grade

Chemical composition


P S
E75
<0.015
<0.003
X95
<0.015
<0.003
G105
<0.015
<0.003
S135
<0.015
<0.003
Tool joint
<0.015
<0.003


Mechanical Properties:

Pipe body Grade Yield strength
Tensile strength
Elongation Hardness Full size charpy impact test(J)
min max min min
Psi Mpa Psi Mpa Psi Mpa HBW
HRC Average Single
E75 75000 517 105000 724 100000 689 625000A0.2/U0.9
- - 80 65
X95 95000 655 125000 862 105000 724 - - 80 65
G105 105000 724 135000 931 115000 793 - - 80 65
S135 135000 931 165000 1138 145000 1000 - - 80 65
Weld zone
Tool joint 120000 827.4 - - 140000 965.3 13% 285 - 80 65
E75
75000 517 - - 100000 689 - 37 40 27
X95
88000 609 - - 103000 712 - 37 40 27
G105
95000 655 - - 105000 724 - 37 40 27
S135
105000 724 - - 115000 - - 37 40 27

Clients