Re: [MW:34241] Dissimilar chemical composition weld

Hi, 

Please refer ASME Sec I Non Mandatory Appendix - B Clause B-8

Thanks 

Parminder Singh

On Tue, May 23, 2023 at 8:27 AM Sintha Aidroos <iti.sintha@gmail.com> wrote:

Dear experts,

                Please advise about weld metal deposit  composition for base metal cuni 90/10 (UNS C 70600) and filler wire CuNi70/30 (UNS C 71500) combination of this material.We checked PMI at weld joint area but composition is not matching with ASME sec II part C .Can you give guidance for any PMI acceptance criteria?Here I attached PMI report for your review.

As per ASME sec II filler metal nickel percentage is 29-32 % and copper remaining.

 Regards

Aidroos      

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