Not required – See QW-200.4(a).
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of suresh kochayatu
Sent: Monday, March 14, 2011 2:33 AM
To: materials-welding@googlegroups.com
Subject: Re: [MW:10340] regarding using PQR & WPS
Hi,
Your existing PQR used 2 process and now you want to use only on eprocess (GTAW). You should prepare another WPS from the same PQR.
On Sun, Mar 13, 2011 at 5:37 PM, nadakuditi kiran kumar <kinnu78@gmail.com> wrote:
dear experts,
one of our client has approved a PQR qualified with the base metal is P5B to P5B.purging and Pre heat also done, having O.D.-4'',
thickness 14mm,process for root,hot pas,filler pass1 with GTAW,remaining filler pass & final with SMAW
my question is
we have same material & pipe dia 5" dia pipe,6.55 thickness,with only GTAW process only.now i can use that WPS where SMAW is also there.or i have to prepare another WPS with same PQR.
so please experts give valuable advice
thanks & regards
have a good day
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suresh
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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