... Asia, Africa, Oceania, Mid East, Eastern Asia, Western Carbon steel round bar1. hot rolled :Q235 ,10#--45#, S20C, S45C ,Q345 Size ... 38CrSi, 30CrMnSi, 20CrMnTi, 9CrSi, 9Mn2 5. hot rolled high speed alloy tool steel Size: 12mm-300mm,Material: W18Cr4V, M42,W6 ... 250mm,Material: 60Si2Mn, 65Mn, 50CrVA, 60Si2CrVA 7. hot rolled die steel, bearing steel, carbon tool steel Size: 12mm-250mm,Material: H13, T8, T9, ...