Reinforcing steel deformed bar 1.Steel grade:HRB335, HRB400 2.Standard:GB 1499.2-2007 3.Length:6m-12m Diameter: 6mm-32mm 1.Outer Diameter:4~50mm2.Standard:GB1499.2-20073.Grade:HRB335, HRBF335, HRB400, HRBF400, HRB500, HRBF5004.Section Shape:Round5.Technique:Hot Rolled6.Brand:Tongya7.Chemical composition(%):SteelCSiMnPSCeqHRB335HRBF3350.250.81.60.0450.0450.52HRB400HRBF4000.54HRB500HRBF5000.558. ...