This standard specifies classification, dimension, quality, and allowable tolerance, technical requirements, test methods, inspection rules, packing, marking and certificate for quality of steel wires used for prestressed concrete.
This standard applies to polish round, helical rib and indented cold-drawn or stress-relieved steel wires. Stress-relieved steel wire includes low relaxed and normal relaxed wires. Normal relaxed wire is not recommended by this standard, if necessary, it shall be indicated in orders or ordered according to agreement between supplier and buyer.
