RE: [MW:30507] Welder Qualification in 3G position by 1G PQR

I am a bit confused by the query.  I am not sure what you are trying to determine so I will attempt to summarize what I would apply if I was reviewing your WPS/PQR and WPQR.

 

1)     Since the procedure qualification requirements for GTAW in ASME Section IX, Table QW-256, variable QW-405.1 for position is a nonessential variable (when impacts are not required), your 1G PQR will support a WPS written for welding in all positions.

2)    Per this section of QW-301.2;  ". . . The welder or welding operator who prepares the WPS qualification test coupons meeting the requirements of QW-200 is also qualified within the limits of the performance qualifications, listed in QW-304 for welders . . . He is qualified only within the limits for positions specified in QW303."  The welder who welded the PQR test plate will be qualified per the requirements of Table QW-356, with QW-405.1 being an essential variable.  Ultimately leading through QW-303.1 to Table QW-461.9.  Per Table QW-461.9 the welder who welded the PQR test plate will only be qualified for welding in the Flat position.

3)    Again, citing a portion of QW-301.2, " . . . The performance qualification test shall be welded in accordance with qualified Welding Procedure Specifications (WPS) . . ."  Since your WPS is written/qualified for all positions, welders may be tested in any position with qualified positions per Table QW-461.9 depending on tested position(s).  So, YES welders may be qualified in the vertical position using this WPS.

 

Let me know if this not clear or adequate for your purposes.

 

Enjoy.  Code is fun.

 

John

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Brijesh Maurya
Sent: Tuesday, February 18, 2020 5:03 AM
To: materials-welding@googlegroups.com
Subject: Re: [MW:30503] Welder Qualification in 3G position by 1G PQR

 

Dear all,

Thanks for your valuable advice.

Please find the attached wps & pqr.

Here position for groove is all.

I think i can qualify my welder in 3G position by using this wps/pqr.

 

On Tue, Feb 18, 2020, 2:31 PM 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> wrote:

What is the Applicable code.

 

 

 

 

On Tuesday, February 18, 2020, 02:02:05 PM GMT+7, 'anand gupta' via Materials & Welding <materials-welding@googlegroups.com> wrote:

 

 

Need 3G qualification again. 

 

Regards 

A p gupta 

ThyssenKrupp 

Sent from Yahoo Mail on Android

 

On Mon, 17 Feb 2020 at 9:27, Brijesh Maurya

<brijeshmaurya492@gmail.com> wrote:

Dear expert,

please advice can i use 1G qualified PQR for Welder Qualification in 3G upward position? 

Note: No impact requirement.

 

regards,

Brijesh Maurya

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