KS B ISO 10893-3-2023 钢管无损检测第3部分:用于检测纵向和/或横向缺陷的无缝和焊接（埋弧焊除外）铁磁钢管全周磁通泄漏自动检测
Non-destrutive 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 longit