... efforts ,our cooperation will expand even in future.1. hot rolled ordinary carbon round bar Size: 10mm-300mmMaterial: Q235 ... -40Mn, 20CrNiMoA-40CrNiMoA, 38CrSi, 30CrMnSi, 20CrMnTi, 9CrSi, 9Mn2 5. hot rolled high speed alloy tool steel Size: 12mm-300mmMaterial: W18Cr4V ... steel Size: 12mm-250mmMaterial: 60Si2Mn, 65Mn, 50CrVA, 60Si2CrVA 7. hot rolled die steel, bearing steel, carbon tool steel Size: 12mm ...