This standard specifies the terms and definitions, classification and marking, order content, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, signs 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 5224-2014 Referenced Document
GB/T 21839 Test methods of steel for prestressing concrete*, 2019-06-04 Update
GB/T 24238 Hot-rolled wire rod for prestressed steel wire and strand*, 2017-05-31 Update
GB/T 24242.2 Non-alloy steel wire rod for conversion to wire —Part 2:Specific requirements for general purpose wire rod*, 2020-09-29 Update
GB/T 24242.4 Non-alloy steel wire rod for conversion to wire —Part 4:Specific requirements for special purpose wire rod*, 2020-09-29 Update