... hardened layer of a certain organization.Chemical compositionChemical composition: Carbon C: 1.55 Si Si: 0.35 Manganese Mn: 0.4 Chromium ... , 1.2343,1.2367,1.2713,1.2767,1.2714,1.2365,1.2885,1.2581,1.4031,1.2738, 1.2311,1.0503,1.0540,1.0535,1.1525,1.1545,1.2735,1.2764,1.4021,1.2361, 1 ...