This standard specifies the terms and definitions, classification and marking, ordering content, size, shape, weight and allowable deviations, technical requirements, test methods, inspection rules, packaging, marking and quality certificates of scored steel strands for prestressed concrete. wait. This standard applies to scored steel strands for prestressed concrete (hereinafter referred to as "scored steel strands").
YB/T 4451-2015 history
2015YB/T 4451-2015 Indented steel strand for prestressed concrete