All Welder Performance Qualification shall be performed in accordance with a qualified WPS.
所有焊工技能检定工作应遵照经检定的焊接程序规范要求实施。
2
If the welder has not welded with a process during a period of 6 months or more, his qualification of that process shall expire.
如果某焊工在六个月或以上时间未从事焊接工作，则其资质将作无效处理。
3
The project position of welderqualification test for long transporting pipe depends on vertical down welding basically, which is namely fixed pipe with axis horizontal welding (5gx).