柳州标煌进出口贸易有限公司
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产品名称: Drill Collar
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产品信息:

Product Description of Oil Drill Collar

 

    The Drill Collar  is made from AISI 4145H alloy steel, and completely meets the requirement of  S135 for API 5DP and SY/T5561 Standard. It is the round pipe with smooth surface and thick wall, and the both ends are machined screw thread for connection. It is mainly used between the drill head and the drill pipe, so that it can make the drill head work reposefully and keep right trace by providing the pressure and weight for drill head.

 

 

Specificationj6

 

Grade

Yield strength

Tensil strength

Min

Max

Min

 

Psi

Mpa

Psi

Mpa

Psi

Mpa

E-75

75000

517

105000

724

100000

689

X-95

95000

655

125000

862

105000

724

G-105

105000

724

135000

931

115000

793

S-135

135000

931

165000

1138

145000

1000

 


Drill Pipe welding area parameters(SY/T5561)

 

Grade

Yield strength Min

Tensil strength Min

Elongation Min

Impact energy Min

Mpa

Mpa

J

E-75

517

689

13

20

X-95

609

712

G-105

655

724

S-135

724

793

 

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