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5-420mm Diameter Seamless Drill Steel Pipe With JIS G 3465 STMC-C-540 , STMC-C-640
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5-420mm Diameter Seamless Drill Steel Pipe With JIS G 3465 STMC-C-540 , STMC-C-640

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JIS G 3465 STMC-C-540 , STMC-C-640 , STM-R-590 , STM-R-690 , STM-R-780 , STM-R-830 Seamless Steel Tubes for Drilling

 

 

JIS G 3465 Seamless Steel Tubes for Drilling

 

Steel Grade: 

STMC-C-540, STMC-C-640, STM-R-590, STM-R-690, STM-R-780, STM-R-830

 

Dimension:

OD *WT   according to customers' actual application and production.

 

Application :

for Wire Line Drill Rod, Casing Tube, Core Barrel Tubes, Couplings

 

Heat treatment:

Normalized, Q+T

 

 

CHEMICAL COMPOSITION %  max

C

Si

0.04

0.04

 

 

MECHANICAL PROPERTIES min

Steel Grade

Tensile Strength Mpa

Yeild Point  Mpa

Elongation %

 STM-C-540

540

-

18

 STM-C-640

640

-

16

STM-R-590

590

375

18

STM-R-690

690

440

16

 STM-R-780

780

520

15

STM-R-830

830

590

10

 

 

Outside Diameter,wall Thickness and Mass (for casing Tube)

Nominal diameter

Outside diameter mm

Inside diameter

Wall thickness mm

Unit mass kg/m

43

43

37

3

2.96

53

53

47

3

3.7

63

63

57

3

4.44

73

73

67

3

5.18

83

83

77

3

5.92

97

97

90

3.5

8.07

112

112

105

3.5

9.36

127

127

118

4.5

13.6

142

142

133

4.5

15.3

Outside Diameter,wall Thickness and Mass (for Core tube)

Nominal diameter

Outside diameter mm

Inside diameter

Wall thickness mm

Unit mass kg/m

34

34

26.5

3.75

2.8

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TORICH INTERNATIONAL CO.,LTD
706 Qiling Mansion North Building Yinzhou District, Ningbo, Zhejiang, China (Mainland)
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