This document specifies the size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of hot-dip galvanized-5% aluminum-rare earth welded steel pipes for low-pressure fluid transportation.
T/CISA 327-2023 history
2023T/CISA 327-2023 Hot dip galvanized -5% aluminum-rare earth welded steel pipes for low pressure liquid delivery