... rolled high speed alloy tool steel Size: 12mm-300mm,Material: W18Cr4V, M42,W6, W9,3Cr2W8V, CrWMn, Cr12MoV, Cr12, 5CrMnMo, 5CrNiMo, ... 9SiCr, 4CrW2Si 6. hot rolled sping steel Size: 12mm-250mm,Material: 60Si2Mn, ... 65Mn, 50CrVA, 60Si2CrVA 7. hot rolled die steel, bearing steel, carbon tool steel Size: 12mm-250mm,Material: H13, T8, T9, ...