NDE Technique and its Extent Guidelines

[sahsanb]

Need your help in identifying the standards that give precise guidelines based on which I can decide what NDE technique and to what extent do I need to apply it for piping inspections, if I know the service, pressure, temperature, material & size.

Regards

[fernandovz]

ASME pressure piping code: B31.x.
According to piping service industry, you must select it,
Regards.