The xray requirements per 341.4.1 states 5% which will include a representation of each welders welds. I have always interpreted this to mean that 5% of each welders welds would be xrayed but have learned that this is not the case. All that is rquired is 5% of total welds and as long as each welder gets xrayed, the number is not important as long a a total of 5% gets shot. It also seems that welding process is a non issential here so a welder can use F6 on some welds and F3/4 on others and still be lumped in on the initial 5%. I would like some comments on this to see what others think. I usually go with a minimum of 5% per welder per process.
Tek-Tips is the largest IT community on the Internet today!
Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!
-
Congratulations TugboatEng on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!
B31.3 Para 341.4.1 Xray
- Thread starter garnet1
- Start date
341.4.1 (b)(1) states, "Not less than 5% of circumferential and miter groove welds..." You are correct that each welder need not have 5% of his/her welds examined. ("The welds...shall be selected to ensure the work product of each welder...doing the production welding is included") Due to welder turnover and progressive sampling, greater than 5% of welds are normally examined.
- Status
Similar threads
- Question
- Locked
- Question