ICS 77.040.20 CCS H 26 GB 中华人民共和国国家标准 GB/T42664—2023/ISO10893-11:2011 钢管无损检测 焊接钢管焊缝纵向和/或横向缺欠的自动 超声检测 Non-destructive testing of steel tubesAutomated ultrasonic testing of the weld seam of welded steel tubes for the detection of longitudinal and/or transverse imperfections (ISO10893-11:2011,Non-destructivetesting of steeltubes- Part 11:Automated ultrasonic testing of the weld seam of welded steel tubes for the detection of longitudinal and/or transverse imperfections,IDT) 2023-08-06发布 2024-03-01实施 国家市场监督管理总局 发布 国家标准化管理委员会