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Gear steel

  The gear steel produced by CITIC Special Steel is mainly used in gear box and transmission parts of auto and motorcycles.Depending on the international first-class special steel production equipment and exclusive production technology of continuous casting and rolling alloy steel, the quality standard of gear steel of the Group has fully reached the requirements of such companies as Germany Volkswagen, America General Motors, Japan Toyota, Germany ZF and America EATON, etc.   The main customers cover: famous auto Groups and major suppliers of raw materials for auto parts at home and abroad such as China FAW Group Corporation, Dongfeng Motor Company Limited, SAIC Motor Corporation Limited, China National Heavy Duty Truck Group Co., Ltd, Germany Volkswagen, Hyundai Motor Company,Germany ZF, America EATON, Shanxi Fast, Datong, Zhuzhou Gear and Chengdu Navigation Machinery, etc.

Typical steel grades / Executive standards

GB Standard

ASTM Standard

EN Standard

JIS Standard

User standard or mutual protocol

20CrMnTi

20CrMoH

20CrMnH

20CrNiMoH

18CrMnBH

SAE5120

SAE5130

SAE4118H

SAE8620H

SAE4320H

SAE8720H

18CiNiMo7-6

18CrMoS4

16MnCr5

20MnCr5H

20NiCrMo2H

SCM415H

SCM420H

SNCM420H

SCM440H

SCM822H

27CrMo4、16MnCrS5

19CN5、SAE5120M

SCR420k、SAE8620H(S)

25MoCr4、ZF6、ZF7

ZF7B、TL4227

 

Product specification

Round rolled steel:

Φ10~320

Bright steel:

Φ10~300

Ring:       

Φ500~6300×80~500(高)

Coil:

Φ4.5~52

Round forged steel:

Φ100~950

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Instruction:

(1) Delivery can be provided in the state of hot rolling, normalizing, annealing, polishing and bright steel, 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.