Re: [MW:32936] WPQ of single process having combination PQR

Hi,

Seperate WPS for GTAW process to be prepared and approved using the available PQR for GTAW + SMAW .

Thickness range qualified for this WPS for GTAW process will be 1.5mm to 8mm with which WPQ can be done on 4.87 mm thick pipe.

Regards,

Anup

On Friday, February 25, 2022, 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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