... : Carbon Steel, Stainless Steel, Superalloy Steel and Alloy Steel. Wind Power Shaft: 42CrMo4V, 34CrNiMo6. Wind Power Flange Ring: S355NL, C22, 16Mn, 20Mn, 42CrMo, F304 ... the whole production. Forging Steel Valve Body WB36 For Nuclear Power Plant