This standard specifies the classification, size, shape, quality and allowable deviation, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of steel strands for prestressed concrete. This standard applies to steel strands for prestressed concrete structures twisted by cold-drawn round steel wires and scored steel wires (hereinafter referred to as steel strands).
GB/T 5224-2003 history
2023GB/T 5224-2023 steel strand for prestressed concrete
2014GB/T 5224-2014 Steel strand for prestressed concrete
2003GB/T 5224-2003 Steel strand for prestressed concrete