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Free-cutting non-quenched and tempered steel

  Free-cutting non-quenched and tempered steel has good machinability. It is widely used in automobile, machinery and machining manufacturing industry.It is mainly used in such mechanical transmission parts as front axle, connecting rod, crankshaft and hub, etc.   The main customers cover: China FAW Group Corporation, Dongfeng Motor Corporation, SAIC Motor Corporation,China National Heavy Duty Truck Group Co.,Ltd, Shanghai Sumitomo, Toyota Tsusho Corporation, Shanghai AIWAYS, HENGRUN Ring Forging and other enterprises.

Executive standards/ Typical steel grades/Product specifications

Executive standards

Typical steel grades

Product specification

GB Standard

User agreement or mutual agreements







Round rolled steel:Φ10~320

Round forged steel:Φ100~400

Square rolled steel:□80~280

Bright steel:Φ10~300


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