Hi, in my opinion...first you will make a preliminary or proposed pWPS and as per the mentioned variables( please note that VARIABLES, which means they can vary) you will make test coupon. In PQR you will enter the actual (range) values which you will get during the PQR run. and if all the required tests are passed, the pWPS will be amended and it becomes the actual WPS. If you run the PQR first, I can ask you a question " Which procedure you are going to qualify?" regards, Nandesh
--- On Wed, 30/12/09, mahen dran <cbemahendar@yahoo.com> wrote:
From: mahen dran <cbemahendar@yahoo.com>
Subject: [MW:3917] WPS & PQR clarification
To: materials-welding@googlegroups.com
Date: Wednesday, 30 December, 2009, 12:31 PM
Dear Group Good day, -------------------------------------------------------------------------------------------------------------------------------- Still I have confusion on WPS and PQR terms. 1. WPS to be created first , with respect to selection of process, electrode and current etc. 2. PQR is developed after WPS ,by entering the the actual variation relevant to the WPS. |Corresponding reference numbers are to be entered in each other. This is the information from ASME IX codes. -------------------------------------------------------------------------------------------------------------------------- But there is a controvercial statement from some of our colleques, PQR to be developed first and Supporiting PQR reference number is to be entered in the WPS. Please clarify this confusion . mahendra KSA -- To post to this group, send email to materials-welding@googlegroups.com To unsubscribe from this group, send email to materials-welding-unsubscribe@googlegroups.com For more options, visit this group's bolg at http://materials-welding.blogspot.com/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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