This document specifies the ordering content, classification and code, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of hot-dip galvanized square and rectangular welded steel pipes for structural use. This document applies to hot-dip galvanized square tubes and rectangular tubes for structural use (hereinafter referred to as square and rectangular tubes). It is not suitable for square and rectangular pipes formed by cold bending and welding of galvanized steel plates.
T/SSEA 0298-2023 history
2023T/SSEA 0298-2023 Hot-dip galvanized square and rectangular welded steel pipes for structural use