Re: [MW:32941] WPQ of single process having combination PQR

Yes, You can

On Mon, Feb 28, 2022 at 9:05 AM Jenish Mistry <jenishmistry1992@gmail.com> wrote:

Dear sir ,

As per ASME SEC.IX QW-200.4 (B) for combination of welding procedure base metal thickness should be at least 13 mm thick or more . 

Than How you Qualified PQR with less thickness (10 mm thk ) as for Combination of Process ?

Regarding your query :

As  attached snap QW-451 ASME SEC.IX  , Maximum Weld Metal Thickness Qualified : 8 mm  .

You can use that PQR for WPQ of GTAW welding except above remark. ( Separate WPS to be prepare )

On Sat, Feb 26, 2022 at 9:38 AM Brijesh Maurya <brijeshmaurya492@gmail.com> wrote:

Dear All,

I have PQR of GTAW + SMAW process for P1G2 to P1G2 (SA516 GR.70 to SA516 GR.70)

PQR Plate thickness = 10 mm

GTAW welded = 4 mm

SMAW welded = 6 mm

WPS range qualified = 1.5 to 20 mm.

Now, My query is, can i use this WPS for WPQ by GTAW process only?

I want to qualify my welder on 1/2"NB X SCH 160 (4.78 THK) pipe with only GTAW process using this WPS.

Kindly Clarify Experts........

Regards,

Brijesh Maurya

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Thanks for your best support.

Regards,

Jenish Mistry

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