标准摘要
[中文适用范围]： 本标准适用于无缝和焊接（除 submerged arc-welded 外）的磁性钢制管材，用于检测纵向和/或横向缺陷。
英文名称Non-destructive testing of steel tubes — Part 3: Automated full peripheral flux leakage testing of seamless and welded (except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal and/or transverse imperfections — Amendment 2: Change acceptance criteria