This document stipulates the evaluation index system, evaluation methods and grade classification for the quality and enterprise standard level evaluation of carbon steel twin-roll cast-rolled thin steel strips for welded steel pipes. This document is applicable to the quality and enterprise standard level evaluation of carbon steel twin-roll cast-rolled thin steel strips for welded steel pipes (hereinafter referred to as thin steel strips). Relevant agencies can refer to this document when carrying out quality grading and corporate standard level assessment, "leader" evaluation and related certifications. Enterprises can also refer to this document when formulating corporate standards.
T/SSEA 0210-2022 history
2022T/SSEA 0210-2022 Quality classification and "Linpaozhe" evaluation requirements Carbon steel twin-roll cast-rolled thin steel strip for welded steel pipes