... 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, ... angle bar Various size Material: carbon structural steel/ alloy steel/ free-cutting steel/ die steel/ spring steel, etc. The items mentioned above are ...