... supply range with qualified product Hot rolled steel round bar Q345B, 304,316,20Cr,40Cr,20CrMo,35CrMo,42CrMoProduct introduction1 ... , DIN, ASTM, ASME, ISO5.Material quality: steel round bar comes along with Mill Test Certiicate, includes chemical composition and ... be very traceable and reliable. Which under complete qualitymanagement systems.6. Technical data: detailed technical data will according to ...