thank you all for your efforts.
I'm sorry, I'm not well expressed my request.
but your answer really helped my M aburafdi.
I thank you also JR97,Duwe6 , stanweld
I am a compliance officer in NDT a metal construction company, now we are working on a thermal power plant project, our client requests the control RT From a thickness of 72 mm, and as you know it's impossible to do, he asks me a justification ASMEV, when I made an effort on ASME but I found...