Hot rolled steel round bar Q345B, 304,316,20Cr,40Cr,20CrMo,35CrMo,42CrMo Wide supply range ... with qualified product Hot rolled steel round bar Q345B, 304,316,20Cr,40Cr,20CrMo,35CrMo,42CrMoProduct introduction1. Diameter: 25 ... treatment: Hot rolled, Forged, cold rolled4. Standard:GB, JIS, DIN, ASTM, ASME, ISO5.Material quality: steel round bar comes along with ...