high speed tool steel 1.High-Speed Steel W12Cr4V5Co5 2. Condition of delivery: Hot rolled, Annealed. high speed tool steel Specifications:High-speed steel W12Cr4V5Co5 Specification:Thickness:6/8/10 ... :High-speed steel W12Cr4V5Co5/SKH10/T152)Chemicial composition:C=1.50-1.60,Si=0.15-0.40,Mn=0.15-0.40,P≤0.030,S≤0 ... .030Ni=0.30,Cu=0.20,Cr=3.75 ...