PQR WITH TWO WELDING PROCESS TO SEPERATE IT

[QA/QC]

Dear master 

please can you advise me i have some doubt 

in our project i have a PQR qualify with gtaw + smaw butt weld 

Detail :

 

7.14 to 20 (CS & LTCS)
GTAW  5 mm +SMAW 9
ER70S-6 + E7018-1 

and i want to qualify to only SMAW PROCESS is it possible or no 

[biennd]

Hi there,

May you check in which standard refers to.

I understood, ASME IX allowed for thickness of test coupon more than 13 mm.

Thanks

Bien ND

[Baqer Shabbeer]

Yes its possible, You can go for only SMAW considering all other essential variable

 

QW-200.2(f) One WPS. Several WPSs may be prepared from the data on a single PQR (e.g., a 1G plate PQR may support WPSs for the F, V, H, and O positions on plate or pipe within all other essential variables). A single WPS may cover several sets of essential variable ranges as long as a supporting PQR exists for each essential and, when required, supplementary essential variable [e.g., a single WPS may cover a thickness range from 1/16 in. (1.5 mm) through 11/4 in. (32 mm) if PQRs exist for both the 1/16 in. (1.5 mm) through 3/16 in. (5 mm) and 3/16 in. (5 mm) through 11/4 in. (32 mm) thickness ranges].

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[paresh patel]

You can prepare WPS for SMAW only. considering essential variables.

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[Mahesh Rajpurohit]

Dear Team 

Kindly suggest me the welding rod material standard used S355 J2 N plate 

And method of welding which is suitable for making round pipe from plate of 25mm Thickness 

Your's 

Mahesh Purohit

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[Parminder Singh]

Dear Sir, 

1. You can use E-7018-1 

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