After local non-destructive testing, how to evaluate the quality of the undetected parts?
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After local non-destructive testing, how to evaluate the quality of the undetected parts?
No evaluation, but responsibility for quality.
The partially detected parts basically represent the entire container, so the undetected parts do not need to be evaluated.
Passing the partial inspection represents the welding qualification of the entire container, but you should be responsible for the quality of the untested parts. That is to say, if an accident occurs due to quality problems in the untested parts, your manufacturing unit will bear the quality responsibility.
After local non-destructive testing is performed as required, non-destructive testing is not required for other parts, but an appearance inspection is also required. If the appearance is found to be unqualified, non-destructive testing must also be performed.