Home / Standards / GB/T 37910.2-2019 GB/T 37910.2-2019 Active Non-destructive testing of welds — Acceptance levels for radiographic testing — Part 2: Aluminium and its alloys 焊缝无损检测 射线检测验收等级 第2部分: 铝及铝合金 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