Monday, March 14, 2011

RE: [MW:10342] regarding using PQR & WPS

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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