... bar :40Cr ,20Cr ,42CrMo 2)thickness: 1.5mm-90mm3) length:9m,12m One of our popular products, ... -31, EN-36C,EN-47, En-353 EN-354,SAE-4130, SAE-4140,SAE-8620,F-51,F-11,F-22,F-91. GradeChemical ... .37-0.440.17-0.370.50-0.800.80-1.10≤0.035≤0.035GradeMechanical Property Yield Strength ReH MPaTensile ...