Re: [MW:18496] Repair procedure

Dear Sir,

may l know why no one will allow you to do repair weld with SAW process ?

what suppose weld repair procedure will said?

how many type(SMAW,FCAW,SAW,TIG) welding process can do repair procedure?

did it compulasary to do MPI after defect remove from weld?

if not follow up ...........with mpi ...wat action is going to be taken?

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From: Saravanan Sornam <saravanshyla@gmail.com>
To: materials-welding@googlegroups.com
Sent: Thursday, August 22, 2013 11:31 AM
Subject: Re: [MW:18493] Repair procedure

Dears ,

Generally, Weld Repair Procedure is like a written Work Instruction , which explains about , the method of repair, WPS No. Welding Process used, NDT before and after welding etc and attach the applicable WPS with the Work Instruction and get approved with TPI first, it is a professional way of doing repair welds, 

Anyway, If you have GTAW or SMAW qualified WPS , any one of these process is applicable , depends up on the defects condition .

I am sure, no one will allow you to do repair weld with SAW process .

Check in your client spec , has given any simulation repair procedure to be qualified Or the same WPS which was used for production welding , can be used for repair welds. 

Hope it clears Men.

Regards,

Saravanan

Korea

On Thu, Aug 22, 2013 at 2:11 AM, Jaywant Bangale <jaywant1@gmail.com> wrote:

Dear Raj,

 

Your Welding Engineer is right. As per code we don't need to qualify separate weld repair procedure, but at the same time please check client fabrication procedure. If it is mentioned separately to qualify the  procedure then follow-up TPI instructions.

 

Best Regards,

 

Jaywant 

On Wed, Aug 21, 2013 at 5:37 PM, raj susi <rjsusi@yahoo.com.sg> wrote:

Dear Experts Good evening. In our company we have some repairs to be done and we dont have repair procedures separately. But we only follow the NCR disposition made by welding engineer. Which has some instructions to follow ie removal of defect, same wps to be used as per production weld, nde to be done as per job scope. So now our TPI is asking for separate repair procedure. In my previous company we did have separate repair procedures. But here we dont have any. Our welding engineer is telling us that our repair is before PWHT and therefore we dont need a repair procedure separately. Is it a must that we Should really have repair procedure ( whether before or after PWHT)? THANKS raj Sent from Yahoo! Mail on Android

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