Home / Standards / GB/T 42673-2023 GB/T 42673-2023 Active Non-destructive testing of steel tubes—Magnetic particle inspection of seamless and welded ferromagnetic steel tubes for the detection of surface imperfections 钢管无损检测 铁磁性无缝和焊接钢管表面缺欠的磁粉检测 Standard Type GBT ICS 77.040.20 CCS H26 Status 现行 Issue Date 2023-08-06 Implementation 2024-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A