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Fillet Weld Procedure, P4 - P7

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weldtek

Materials
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Feb 12, 2005
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In qualifying a PQR to ASME Sec IX, QW 181, where testing will be to QW 183, with no mechanical tests involved, is PWHT an essential variable?
 
Weldtek;
If you intend to qualify a fillet weld WPS in a situation where PWHT is required by Code for fillet welds, yes, PWHT should be included as an essential welding variable for this procedure.
 
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