Home / Standards / GBT 37910.1-2019 GBT 37910.1-2019 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 N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A