high speed steel sheets W2Mo9Cr4VCo8(M42) High speed steel products: M2, T1, W9, W5 ... Main Tool steel products: D2,CR12MOV high speed steel sheets W2Mo9Cr4VCo8(M42)Specification: Hot-rolled steel sheet Thickness 2.5 ... 62-64 HRCApplication: Better toughness than M2 high speed steel sheets W2Mo9Cr4VCo8(M42)