... Wide supply range with qualified product Hot rolled steel round bar Q345B, 304,316,20Cr,40Cr,20CrMo,35CrMo,42CrMoProduct introduction1 ... JIS, DIN, ASTM, ASME, ISO5.Material quality: steel round bar comes along with Mill Test Certiicate, includes chemical composition and ... .Cutting machine: water cutting machine, plasma cutting machineAny grade steel round bar is available for us, feel free to contact.