Wednesday, February 19, 2020

[MW:30510] CRO & HARDFACING QUALIFICATION

Dear Experts,

Please explain

QW-381.1

When specified as essential variables, the limitations of position and diameter qualified for groove welds shall apply to overlays welds, except the limitation on diameter qualified shall apply only to welds deposited in the circumferential direction.

How can I overlay on pipe ID & OD after qualifying welder on a plate ?

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