Home / Standards / GB/T 41116-2021 GB/T 41116-2021 Active Non-destructive testing of welds—Time-of-flight diffraction technique (TOFD)—Acceptance levels 焊缝无损检测 衍射时差技术(TOFD) 验收等级 Standard Type GBT ICS 25.160.40 CCS J33 Status 现行 Issue Date 2021-12-31 Implementation 2022-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A