... Asia, Africa, Oceania, Mid East, Eastern Asia, Western alloy steel round bar 1. hot rolled ordinary carbon round barSize: 10mm-300mm ... S45C 3. hot rolled lower alloy round bar Size: 12mm-300mm,Material: Q345 4. hot rolled alloy round bar Size: 12mm-300mm,Material: ... 38CrSi, 30CrMnSi, 20CrMnTi, 9CrSi, 9Mn2 5. hot rolled high speed alloy tool steel Size: 12mm-300mm,Material: W18Cr4V, M42,W6, W9,3Cr2W8V ...