This standard specifies the terms and definitions, classification, codes and marks, ordering content, dimensions, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, signs, and quality certificates of steel bars for prestressed concrete. This standard is applicable to smooth round, spiral groove, spiral rib and ribbed steel rods for prestressed concrete.
GB/T 5223-2002(XG1-2003) history
2014GB/T 5223-2014 Steel wire for prestressing of concrete
2002GB/T 5223-2002 Steel wires for the prestressing of concrete (ISO 6934-2:1991,Steel for prestressing of concrete--Part 2: Cold-drawn wire,NEQ)