Steel for oilfield drilling tools

 

Our supplies use the bloom continuous casting and rolling process to produce AISI4145H drill collar steel and SAE4137 drill pipe joint steel according to American API Specifications which have been widely used in major domestic oil fields. Due to the high purity of steel, the composition and performance are uniform.

 

Applied Standards

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ASTM

AISI4145H

SAE4137H(M)

37CrMnMoA

AISI4130

AISI4340

AISI4330V(M)

 

Also acc.to customer requirements by technical agreement

 

Product and size range :

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Rolled Round :  Φ10~280

Forged Round:  Φ100~950

Rolled SQ Bar :   □80~200

 

Explanation :

(1) Hot-rolled, normalized, annealed, quenched and tempered delivery materials can be provided.

(2) The steel grades listed in this table are only representative steel grades of such products. The Group can produce relevant steel grades according to relevant international, domestic and industry standards or develop relevant steel grades according to the requirements of the agreement.                                    

 (3) As we are sourcing our products from different steel mills according to customers’ requirements the sizes may wary.