Wednesday, October 19, 2016

Re: [MW:25566] do we need seperate wps for repair

Dear Sir,
These paragraphs refer to Sec IX in general with additional requirements from B31.3 and do not specifically state that a separate Repair WPS is required. However, most clients demand it. What we have done in such cases is to run 2 PQRs, one with test coupons (more than 1 usually) having repairs at various depths/sections as per the client requirements.
 
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Shashank C Vagal  (Quality Adviser)
Neo Metal-Analyst & NDT Services (Approved by IBR, Thermax, AERB)
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From: George Dilintas <dilintas@gmail.com>
To: Meghanadh K <materials-welding@googlegroups.com>
Sent: Tuesday, 18 October 2016 9:21 PM
Subject: Re: [MW:25561] do we need seperate wps for repair

Check paragraph 328.6 & 328.2.1.
Since grooves for repair could differ from grooves for production, you may need to write a new WPS. However, you may support this WPS with an existing PQR if the essential (and supplementary essential in case of impact requirements) variables match

2016-10-17 7:05 GMT+03:00 anil kumar <anil.qcqa@gmail.com>:
Hi,

       Do we need separate wps for repair or the wps we used in production will be sufficient as per ASME B31.3,
and using the  PQR which used in production , can I qualify repair wps.

Thank you
ANIL KUMAR
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--
Dr. Georgios Dilintas,
Dipl. Ing. In Aeronautic and Space Engineering
Ph.D in Mechanics of Solids - Computational Mechanics
A.I.S, A.N.I, IRCA Lead Auditor
Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis
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