This standard specifies the definition, classification, code and marking, ordering content, technical requirements, test methods, inspection rules, packaging marks and quality certificates of circular prestressed concrete steel bars (hereinafter referred to as steel bars). This standard is applicable to smooth round, spiral groove, spiral rib and ribbed steel rods for prestressed concrete.
GB/T 5223.3-2005 Referenced Document
GB/T 2101 General requirment of acceptance, packaging, marking and certification for section steel*, 2017-07-31 Update
GB/T 2103 General requirements for acceptance,packing,marking and quality certification of steel wire*, 2008-08-19 Update
GB/T 228 Metallic materials--Tensile testing at ambient temperature
GB/T 232 Metallic materials - Bend test methods*, 2024-03-15 Update
GB/T 238 Metallic materials.Wire.Reverse bend test*, 2013-09-06 Update
GB/T 5223.3-2005 history
2017GB/T 5223.3-2017 Steel bars for the prestressing of concrete