Products
|Oilfield Srill Steel|
Our drill steel is produced with continuous casting and rolling process flow per the United States API SPEC7 standard, with grades of AISI4145H (for drill collars) and SAE4137 (for drill pipe joints) being widely used in major oilfields across China and exported to North America. They have been highly appraised for their high purity and balanced composition and performance.
Typical Grades
|
Standard |
Steel grades |
|
ASTM |
SAE4145H、SAE4137H, SAE4145HM、SAE4137HM |
|
User Agreement or by mutual agreement |
37CrMnMoA、ASE4340 |
Specification
Description:
(1) Delivery state: hot-rolled, normalized, annealed, quenched and tempered.
(2) Listed specifications are only typical grades; products of required specifications can be developed/produced per international, Chinese or industry standards, or based on agreements with customers.
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