This is not a code issue, usually Big End Users like Shell, Exxon etc specify a time Limit for WPS,
"All WPS with qualification greater than 7 years shall be requalified" is an extract from Exxon Welding Spec, In order to approve WPS and satisfy Client you need to evidence of continuous use of WPS till date, attach a Welding Log showing previous clients, year and application of the same WPS.
Trust me it will work since we have done the same thing before.
Regards
Manpreet Singh
On Sun, 27 Mar 2011 16:11:59 +0530 manoj john <manojacgnr@gmail.com> wrote
>Dear members,
>
>I have one query regarding WPS.
>
>1) One of my client made a comment on a WPS which i had submitted to
>them for approvel that Procedures are from 2001. My question is Is
>there any time limit for WPS? In my knowledge answer is No, a
>qulified procedure can be used any time without changing the essential
>variable.
>
>2) I have one qualified wps with base metal S 355 JR to S 275 JR.
>Can I use this WPS to weld S 355 JR to S 355 JR and S 275 JR to S 275
>JR?
>
>Please clear my doubts, if possible with code reference.
>
>Thanks & Regards.
>
>Manoj
>
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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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