Materials & Welding: Re: [MW:23274] Multiple WPS from single PQR

Thursday, August 6, 2015

Backing is a welders qualification essential variable. For PQR it is a nonessential one.

The Base metal qualification range is the same for the 3 cases

Sent from my BlackBerry 10 smartphone.

From: 'Bijay' via Materials & Welding

Sent: Πέμπτη, 6 Αυγούστου 2015 - 09:55

To: materials-welding@googlegroups com

Reply To: materials-welding@googlegroups.com

Subject: Re: [MW:23273] Multiple WPS from single PQR

But for SMAW single process you have to give Metal baking as the GTAW weld Metal act as metal baking.

From:"Ri@z" <riaz.rafeeque@gmail.com>
Date:Thu, 6 Aug, 2015 at 11:58 am
Subject:[MW:23271] Multiple WPS from single PQR

Dear Sir,,

I have one PQR with 3 mm GTAW weld deposit and 6.5 mm SMAW deposit. Base metal thickness is 9.5 mm and impact is not required.

Please correct me if any of the following is NOT correct as per Sec IX

1) Combined Process (GTAW + SMAW) up to a thickness of 1.5 to 19 MM (2T)

2( Single process wps of SMAW with weld metal thicjness 13 MM and qualified base metal thickness is 1.5 mm to 13 mm

3) Single process WPS of GTAW with weld metal thickness of 6 MM and Qualified base metal thickness is 1.5 to 6 mm

Please help!!

Riaz

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