UT acceptance level
UT acceptance level
(OP)
ASME SA-788 S20 lists two recommended UT acceptance levels (BR and DA) for forgings. Can someone help me find what these designations mean and where they come from?
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RE: UT acceptance level
BR - back reflection method for striaght beam testing
DA - Distance amplitude
The above UT methods are discussed in SA 388.
RE: UT acceptance level