... ,20CrMo,35CrMo,42CrMo Wide supply range with qualified product Hot rolled steel round bar Q345B, 304,316,20Cr,40Cr,20CrMo,35CrMo ... .3. Heat treatment: Hot rolled, Forged, cold rolled4. Standard:GB, JIS, DIN, ASTM, ASME, ISO5.Material quality: steel round bar comes along ... technical properties,such as tensile strength, yield strength, elongation etc, thus can be very traceable and reliable. Which under ...