This document specifies the grade representation method, ordering content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of hot-rolled wide steel strips for hydrogen transmission pipelines. This document applies to hot-rolled wide steel strips (hereinafter referred to as steel strips) for hydrogen transmission pipelines.
T/SSEA 0223-2022 history
2024T/SSEA 0223-2024 Hot-rolled wide steel strip for hydrogen transmission pipelines
2022T/SSEA 0223-2022 Hot-rolled wide steel strip for hydrogen pipeline