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Steel for oilfield drilling tools

  AISI4145H drilling collar steel and SAE4137H drilling pipe joint steel produced by CITIC Special Steel with bloom continuous casting and rolling process have been widely used in major oil fields in China and exported to North America. Owing to its high purity and uniform compositions & properties, these steel has won unanimous praise from oilfield users.   The main customers cover: Daqing Oilfield, Grant,Smith,Baker Hughes,Heyuan Alloy, WORLD-RISE, Shanxi Fenglei Drilling Tools and Shuguang Group, etc.

Executive standards/ Typical steel grades/Product specifications

Executive standards

Typical steel grades

Product specification

ASTM Standard

User agreement or mutual agreements

AISI4145H

SAE4137H(M)

37CrMnMoA

AISI4130

AISI4340

AISI4330V(M)

Round rolled steel:

Φ10~280

Round forged steel:

Φ100~950

Square rolled steel:

□80~200

Instruction:

(1) Delivery can be provided in the state of hot rolling, normalizing, annealing quenching & tempering, etc.

(2) The steel grades listed in the table are only representative ones for such products. The Group may produce the corresponding steel grades according to relevant international, domestic and industrial standards or develop the related steel grades according to the requirements of the agreement.