Re: [MW:27795] RE: 27787] Welding oF dissimilar metal at High temperature(Micro Alloy+P11)

Use ER NiCr3

On Mon, 7 May 2018 4:15 pm 'Asif Shahzad' via Materials & Welding, <materials-welding@googlegroups.com> wrote:

Dear Sir,

The tubes are centrifugally cast and chemical composition  is  below.

Grade G 4852 Micro(25Cr 35Ni Nb)

 

C 0.45,Si 0.7,Mn 1.5

Cr25, Ni 35,Nb1

P 0.03,S0.03,W0.6,Ti,0.3,

Pb 0.01,Sn,0.01,Zn,0.01

Regards,

Asif Shahzad

On ‎Sunday‎, ‎May‎ ‎06‎, ‎2018‎ ‎06‎:‎38‎:‎15‎ ‎PM, PGoswami <pgoswami@quickclic.net> wrote:

What's the micro alloy to be welded? What' the manufacturing condition. Could you attach the MTR or any other appropriate details?

 

Thanks.

 

 

P.Goswami.P.Eng, IWE.

Welding & Metallurgical Specialist

Linkedin: https://www.linkedin.com/in/pradip-goswami-2999855/

Email:pgoswami@quickclic.net,pradip.goswami@gmail.com

 

From: 'Asif Shahzad' via Materials & Welding [mailto:materials-welding@googlegroups.com]
Sent: May 6, 2018 4:41 AM
To: Materials & Welding <materials-welding@googlegroups.com>
Subject: [MW:27787] Welding oF dissimilar metal at High temperature(Micro Alloy+P11)

 

Dear Expert,

 

We want to weld Micro alloy (Ni,Cr) furnce tubes with the P11reducer in the Steam methane reformer that will be operator at 850 to 900 C temperature.

Please provide your opinion about welding reliability of these two dissimilar   metal at high teperature.

 

Regards,

Asif Shahzad 

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