How should non-destructive testing be done when the tube sheet and shell are connected?
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This post was last edited by fjfhsn on 2017-1-12 08:49 How should non-destructive testing be done for structure b) in Appendix I of GB/T151-2014? Is it necessary to conduct 100% ultrasonic testing? In addition, this weld belongs to Class C weld, and p8 of 151 has been clearly stipulated.
Class C welded joints, just surface inspection!
Thank you, I have found the basis for weld classification on p8 of 151
151 is just the minimum requirement. You should decide which nondestructive testing method to use based on the specific working conditions, materials, and forces.