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BS EN 10217-7-2014 承压用焊接钢管交付技术状态规定室温特性的非合金钢管 Welded steel tubes for pressure purp...2023-09-14

GB/T 24187-2023 冷拔精密单层焊接钢管2023-09-03

GB/T 40316-2021 汽车结构用高强度异型及圆形焊接钢管 Welded high strength shaped and round steel tubes for aut...2023-07-28

ASTM F1083-2018 栅栏构件用热浸镀锌焊接钢管的规格 Standard Specification for Pipe,Steel,Hot-Dipped Zinc-Coate...2023-07-12

BS EN 10217-3-2019 压力焊接钢管交货技术条件第3部分合金细粒钢管 Welded steel tubes for pressure purposes. T...2023-06-26

NB/T 10371-2019 煤矿抽放瓦斯用涂（覆）层加强筋螺旋焊接钢管性能检验规范2023-04-02