B31.3 x-ray Percentage

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I would like to know what parameters should be considered in order to decide percentage of X-rays needed under B31.3.Thanks
Reply:Be more specific. The b31.3 code is very extensive. I am not sure what your asking but I have an idea. It appears to me your asking how many bad xrays are you allowed for the b.31.3 code? http://engstandards.lanl.gov/esm/pre...g_guide_R2.pdfLast edited by Bostick101; 09-04-2013 at 10:40 PM.
Reply:Hi Bostick,How we can decide for a particular job that  we need  10% x-ray or 50% x-ray according to code b31,3, Thanks for your help.
Reply:Depends on the application. What are you working on. B31.3 is only a code that dictates weld quality not integrity of an entire job.