Friday, April 26, 2013

[MW:17560] Welding Position & Backing in PQR

Dear Friends,
Is welding position & backing is the criteria for PQR;
 
Can we  use any position , with or without backing for PQR...and we don't have any restriction on above parameters
 
 
 
Kindly clarify as per ASME SEc IX
 
Ali

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Re: [MW:35686] HDPE WPS

Refer ASME SEC IX  There is separate chapter for Plastic welding . Based on that you have to prepare  Sent from my iPhone On 21 Jun 2025, at...