Issues with non-destructive testing of ASME atmospheric pressure vessels?
Thread Content
This post was last edited by X6TT on 2016-10-26 at 10:42. Is it necessary to perform an RT test on ASME ordinary carbon steel sewage tanks used under atmospheric pressure? If RT is not required, how should the weld coefficient be determined? Just do MT? Additional information: The operating pressure is at atmospheric pressure, but the design pressure is 0.35 Mpa; the design temperature is 65 degrees. The material used is SA516 70, and the media involved are natural gas and water. Can such tanks be exempt from RT testing? This is what the customer has requested.
ASME looks at your design drawings. .
I checked the specifications and data sheet requirements. Under normal circumstances, it is permissible per the standards not to perform RT, with the weld joint factor taken as 0.7. If RT isn’t done, it doesn’t make much sense to do MT either