Mr Kataiah,
Is something not correct here?
Shashank Vagal
--- On Mon, 29/6/09, kataiah@bilfal.com <kataiah@bilfal.com> wrote:
From: kataiah@bilfal.com <kataiah@bilfal.com>
Subject: [MW:2569] Fw: [MW:2566] Re: lifetime of a qualified WPS
To: "Materials & Welding" <materials-welding@googlegroups.com>
Date: Monday, 29 June, 2009, 10:33 AM
Dear Mr.Raghuram If code changes after some years & there is a change in essential/supplementary essential variables, the wps will be valid. regards P.Kataiah
----- Forwarded by Kataiah/BelleliSA on 29/06/2009 07:44 ص -----
| "BR" <raghurambathula@gmail.com>
Sent by: materials-welding@googlegroups.com 29/06/2009 07:37 ص
Please respond to materials-welding |
To: "Materials & Welding" <materials-welding@googlegroups.com>
cc:
Subject: [MW:2566] Re: lifetime of a qualified WPS |
None, yes its forever as long as it represents your production weld.
However changes may be made in the nonessential variables of a WPS to
suit production requirements without requalification provided such
changes are documented with respect to the essential, nonessential,
and, when required, supplementary essential variables for each
process. This may be by amendment to the WPS or by use of a new WPS.
Changes in essential or supplementary essential (when required)
variables require requalification of the WPS (new or additional PQRs
to support the change in essential or
supplementary essential variables).
On Jun 29, 8:28 am, sandy kumar <sandy001...@gmail.com> wrote:
> Can anyone tell whats is the validity period of a qualified WPS?
|
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