DEAR EXPERTS
let me know the extent of radiography as per ASME B31.3 for normal service.
Can any body elaborate the the difference between spot and random examination as per para no.344.1.3.
Regards
Azhar Ali
As per ASME B31.3, Clause 331.1.6 (b): Any required PWHT shall be carried out in accordance with the qualified WPS. For furnace PWHT inv...
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