Re: [MW:30454] Different brands SAW wire in single PQR

Also ref 404.9.

THANKS & BEST REGARDS,

KG.PANDITHAN, BE, IWE,  CSWIP 3.1,

ISO 9712 Level 2 in VT,

ASNT-Level II in PT,MT,RT & UT,

LA ISO 9001-2015,

International Welding Engineer. 

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

On Thu, Feb 6, 2020 at 12:08 PM Kannayeram Gnanapandithan <kgpandithan@gmail.com> wrote:

pl ref QW 404.35.

THANKS & BEST REGARDS,

KG.PANDITHAN, BE, IWE,  CSWIP 3.1,

ISO 9712 Level 2 in VT,

ASNT-Level II in PT,MT,RT & UT,

LA ISO 9001-2015,

International Welding Engineer. 

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

On Thu, Feb 6, 2020 at 11:37 AM Muhammed Ibrahim PK <ibratech@gmail.com> wrote:

Dear Mr. Charles, 

Thank you for information provided on this matter.

Reg, 

Ibrahim

On Tue, 4 Feb 2020, 7:06 pm Charles Jacob, <charlesvj@gmail.com> wrote:

Dear, 

If the company used different brands of wire in a single test coupon,  then it can be considered as a change of variables like process, filler wire etc, as per QW-202.2(b).  In this case, the deposited weld metal thickness for each brand of wire shall be noted and the range of values arrived at using the table QW-451.1

Hope this helps.

Regards, 

Charles Jacob 

Welding Consultant

Magnum Consultancy Services

Mob:7034331779  

On Tue, Feb 4, 2020, 2:16 PM Muhammed Ibrahim PK <ibratech@gmail.com> wrote:

Gents,

I have encountered a WPS where manufacture used different brands of SAW wire and flux in single PQR to cover the range of various brand.

Is it permitted to qualify a single PQR with different brand in same weld ?

We can make separate PQR with each brand and can combine those PQR in a single WPS. But welding a single coupon using different SAW fire /flux combination is not yet experienced before. Could you please shed some light on this scenario ?

Plate : SA 516 Gr.70, 

Wire F7P8EH12K :  ESAB/LONCOLN/Bohler

Thanks & Regards
Muhammed Ibrahim PK

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