... For: TT, L/C Tangshan Fengrun Kaiwei Steel Co., LtdSpecifications1.Aticle: Deformed Steel Bar 2.Grade: ASTM, GB,JIS ... types of reinforced concrete building industry. NameCarbon Defromed Steel BarSpecificationφ12~φ25MaterialHRB335,HRB400StandardASTM,GB,JISApplicationApplicationVarious types of reinforced ... regular package,chemical and mechnical properties are stability. Carbon Deformed Steel Bar