4Cr5MoVSi 1.2343 H11 SKD6 1.designing feature:high hardenability, high toughness 2.the process of smelting:EAF+LF+VD 1.Chemical CompositionElementCSiMnCrMoVPScontent0.381.000.405.101.400.50≤0.003≤0.005 2.Feature*small heat deformation*High hot strength and hardness*Excellent corrosion resistance*the tendency of the appearing of iron oxide skin are small in air-quenching*good resistance to heat, ...