product and supply : prime deformed steel bar grade:HRB335,HRB400,HRB500 ASTMA615 GR40,GR60;BS4449 460, 460B DIA:6-50mm name:prime deformed steel barstandard:GB, ASTM JISmaterial: HRB335,HRB400,HRB500 ASTMA615 GR40,GR60;BS4449 460, 460B size:DIA:6-50mm length:6000-12000mm tolerance:+/-5mmProduction Standard: GB1499.2-2007 GradeChemical composition (%)CSiMnPSCepHRB335 0.250.801.600.0450.0450. ...