Home / Standards / GBT 40732-2021 GBT 40732-2021 Non-destructive testing of welds — Ultrasonic testing — Testing of welds in austenitic steels and nickel-based alloys 焊缝无损检测 超声检测 奥氏体钢和镍基合金焊缝检测 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