May somebody help me with joint efficiency or stainless steel pipes (ASME) ?
I do not know how to determine it.
How can I find out the X-Ray %?
Thanks in advance
joint efficiency
Apr 29, 2005
1 Replies
Depends on the standard you are working to?
As a rough rule of thumb 100% X ray (Or in some cases UT) has an efficiency of 1
10% X Ray per welder (or 6" per 50 feet in ASME I think) is 0.85 No NDT varies, can 0.7or less depending on joint configuration.Some codes permit the use of Gamma instead of X ray for certain materials and thickneeses depending on the isotope used. And the ASME code does not like UT, unless it's use is essential.
Regards
John
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