... , 65Mn, 50CrVA, 60Si2CrVA7. hot rolled die steel, bearing steel, carbon tool steelSize: 12mm-250mmMaterial: H13, T8, T9, T10, GCr158 ... sizeMaterial: carbon structural steel/ alloy steel/ free-cutting steel/ die steel/ spring steel, etc.We can supply various steel bar,such as ... steel etc.AS well as we own rather plentiful export experiences on them. steel round bars(tool bar,free cuting steel,mild steel ...