When do pressure vessel heads, backing plates, backing plates and lifting lugs require PT or MT?
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Ask all teachers! When do pressure vessel heads, backing plates, backing plates and lifting lugs need to be PT or MT? grateful
The backing plate and lifting lugs do not need to undergo penetrant or magnetic particle testing at any time. The backing plate and shell must always undergo magnetic particle or penetrant testing. Xiangjian lifting lugs standards
Not bad at all, I recommend doing them all.
I only know how to make the pad and shell or head
Whether it needs to be done and which parts should be done shall be subject to the standard regulations.
Which standard does it come from? I can find it easily
Does this need to be done for every machine, or do some materials not need to be done? .... May I ask which standards can be reflected and the standard number? Thank you.