Re: [MW:22439] WPS for small bore

if the welder is qualified diameter range from 6'' and above means, can he weld 1'' olet welding for his qualfiation?

On Thu, Nov 27, 2014 at 9:28 AM, Ved Bhushan Arora <vbarora48@gmail.com> wrote:

Dear Group Members

How to do TIG welding inside bore dia 28 mm ?  Any torch available for this dia ID deposit?

Thanks

VB ARORA 

--------- Forwarded message ----------
From: Rajagopal Kannan <rajagopal.kannan@gmail.com>
Date: Thu, Nov 27, 2014 at 10:47 AM
Subject: Re: [MW:22380] WPS for small bore
To: materials-welding@googlegroups.com

Dear WinarKo,

The answers are pertaining to ASME sec.IX. In AWS D 1.1, the procedure limits for Diameters too.

Kindly clarify, whether it is for pipe welding as per ASME or any structural application.

Thanks and Best Regards,

K.Rajagopal

On Wed, Nov 26, 2014 at 3:26 PM, <george.dilintas@gr.bureauveritas.com> wrote:

Diameter is not an essential parameter for WPS qualification. So no need for a new PQR (unless other essential variables are affected)
Diameter is an essential variable Only for welders qualification.
A WPS has always to reflect the actual welding configuration, So even no need for a new PQR the WPS needs to be edited again

best regards

Dr. Georgios Dilintas

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