Machinery Industry Steel - Steel bar

The variety and specifications of bar materials used in the machinery industry cover a wide range, including carbon structural steel, carbon tool steel, carbon spring steel, alloy structural steel, bearing steel, stainless steel, alloy spring steel, alloy tool steel, high-speed tool steel, etc., and the specifications cover Ø15-300mm all specifications. Bars are mainly used to process and manufacture engines, gearboxes, universal joint shafts, suspension systems, steering gears and steering transmission structures in the machinery industry that require high raw material performance and safety performance.

　　The types of special steel bars consumed by the machinery industry include high-quality carbon structural steel, alloy structural steel (including gear steel), bearing steel, spring steel, etc., accounting for more than 80% of the bar consumption in the machinery industry. Among them, 

High-quality carbon structural steel: 20#, 45#, aisi 1020, sae 1020, s20c, aisi 1045, sae 1045, s45c, c45, ck45, as 1045

Alloy structural steel: 40Cr, 42CrMo, 22CrMo, aisi 5140, sae 5140, 41Cr4, SCr440, aisi 4140, sae 4140, 42CrMo4, SCM440, aisi 4120, sae 4120, SCM420 etc. 

Bearing steel: GCr15, GCr15SiMn, aisi 52100, sae 52100, suj2, 100Cr6 etc.

Carburized bearing steel: G20CrNi4, G20Cr2Ni4 , G20CrNiMo, G20CrMo; 

Gear steel: 20CrMnTi, 20CrMnMo, 20CrNiMo, 20CrNi3, 20MnCr5, aisi 8620h, sae 8620h etc.