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.

 

Best Regards,

Shashank C Vagal  (Quality Adviser)

Neo Metal-Analyst & NDT Services (Approved by IBR, Thermax, AERB)

Regd Office: 301, PRATHAMESH, M G Rd – Mahant Rd, Vile Parle East, Mumbai 400 057 INDIA

Tel: +91 22 2611 6640 / (+91) 9821386292 /  8082395502 / 9819191861    

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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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