Home / Standards / GB/T 37910.1-2019 GB/T 37910.1-2019 Active Non-destructive testing of welds—Acceptance levels for radiographic testing—Part 1:Steel,nickel,titanium and their alloys 焊缝无损检测 射线检测验收等级 第1部分：钢、镍、钛及其合金 Standard Type GBT ICS 25.160.40 CCS J33 Status 现行 Issue Date 2019-08-30 Implementation 2020-03-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委