Re: [MW:22321] Welding of Inconel 625 & Incoloy 825

we faced a problem in weldment chemical composition when using ERNiCrMo-3 in both Inco 825 & Inco 625. If you have the PMI in the weldment, you will get very low  Cr and Ni value  in Inco 825 compared to Inco 625 due to the more dilution property of Inco 825

Regards,

Sam

On Thu, Nov 20, 2014 at 11:06 AM, LALU RAJENDRAN <lalucpt@gmail.com> wrote:

Dear Sirs,

Noted your valuable suggestions. Hence we are using same filler material for these two materials, please advise whether we need seperate qualification is needed.

Thank you,

LALU

  

Thanks & Regards,

LALU R.P

+971501594161

+917566118890

On Thu, Nov 20, 2014 at 9:27 AM, 'Prakash Hegde' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Hi!

Generally it is always preferred to weld Inconel 825 by NiCrMo3 rather than NiFe Cr1 (Equivalent of 825) due to avoid fissures like defect after PWHT

Regards

Hegde

On Thursday, 20 November 2014 10:09 AM, "Amitabha.Bhattacharya@voestalpine.com" <Amitabha.Bhattacharya@voestalpine.com> wrote:

Hi Lalu,

 

Even though the chemical properties of ER NiCrMo3 not fully matching with BM chemistry of  Incoloy 825 , this filler alloy is widely used because of its availability.

 

Please look into the attached PDS of ERNiCrMo-14 (Thermanit 686) which is a matching filler alloy and suitable for higher temperature service conditions.

Hope this helps…

 

With Regards

Amitabha Bhattacharya

Head-Application Technology

voestalpine Bohler Welding India Pvt. Ltd.

voestalpine Bohler Application Technology Centre

M. +91-98 33998246

www.voestalpine.com/welding

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Lalu r p
Sent: Wednesday, November 19, 2014 8:45 PM
To: materials-welding@googlegroups.com
Subject: [MW:22291] Welding of Inconel 625 & Incoloy 825

 

Dear Experts,

 

Can we weld Incoloy 825 with inconel 625 consumables ? Since both are under same P number but the chemical combination is different.

 

Looking forward your valuable response.

 

regards,

LALU

 

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