Heavy machinery industry steel bar

Heavy machinery industry is used to manufacture various shaft parts, transmission gears, connecting rods, suspension systems, steering systems, etc. 

The main brands are 45#, aisi 1045, sae 1045, c45, ck45, s45c, 40Cr, aisi 5140, sae 5140, astm 5140, 41Cr4, SCr440, 42CrMo, aisi 4140, sae 4140, astm 4140, scm440, 42CrMo4 etc. 20CrMnTi, 20MnCr5, GCr15, 100Cr6, aisi 52100, sae 52100, astm 52100, suj2, etc.

Among them, 45#/ aisi1045/sae1045/c45/ck45/s45c steel material is the largest, accounting for more than 30%; followed by 20CrMnTi/20MnCr5, GCr15/52100/100Cr6 etc. The specifications are mainly below Ø200mm, of which the largest amount is below Ø120mm.