GB/T 40424-2021

Active

Welding procedure qualification test for tubes to tube-plate joints

管与管板的焊接工艺评定试验

Standard Type
GBT
ICS
25.160.10
CCS
J33
Status
现行
Issue Date
2021-08-20
Implementation
2022-03-01
Responsible Dept
国家标准委
Drafting Unit
国家标准委