Re: [MW:34037] Re: Regarding weld overlay with ECuNi 90/10 with the WPS ECuNi (70/30)

As per QW 404.37, A no is not essential /Not applicable for this Non ferrous  Filler metal. Only F no is essential, which is  F34  which comprise 90/10, 70/30 also as per SFA 5.7.

 So No New PQR is required. 

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 Wed, Mar 1, 2023 at 3:29 PM Vishwas Keskar Welding Manager WELDING <vvkeskar123@gmail.com> wrote:

This non ferrous weld metal.

What is the F number of PQR  filler metal?

If PQR filler metal's F number and Production joint filler metal's F number  is same ,then new PQR is not required 

Thanks

Vishwas -IWE 

On Friday, February 24, 2023 at 3:23:47 PM UTC+5:30 mohit aggarwal wrote:

Dear Experts,

We have equipment of weld overlay with 90/10 CuNi composition, but we have Procedure is only with 70/30 CuNi consumable.

As per QW-404.37 clause our AI asked to requalify the procedure due to change of consumable.

I have query can we do weld overlay of 90/10 with 70/30 consumable or we will have qualify new procedure for the same.

Regards,

Mohit Aggarwal

Welding Engineer

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