Re: [MW:13150] Dissimilar welding SS 316 to A335GrP5

It would be better to butter the P5 portion say 5 mm with ENiCrMo3, perform PWHT and weld it with 316SS .

 

Thanks & Reagrds
 
J.Gerald Jayakumar
00968-93281596

From: "george.dilintas@gr.bureauveritas.com" <george.dilintas@gr.bureauveritas.com>
To: materials-welding <materials-welding@googlegroups.com>
Sent: Tuesday, December 6, 2011 12:46 PM
Subject: Re: [MW:13149] Dissimilar welding SS 316 to A335GrP5

I would not suggest to direct them directly. What are your thicknesses?
Best regards
Dr Georgios Dilintas
Authorized Nuclear Inspector
Authorized Inspector Supervisor
HBS Regional Technical Manager

  From: "Ashok Raman B Kutty \(MNT/PPTSB\)" [ashokraman_kutty@petronas.com.my]
  Sent: 06/12/2011 09:27 ZE8
  To: <materials-welding@googlegroups.com>
  Subject: [MW:13145] Dissimilar welding SS 316 to A335GrP5

We need to weld a SS 316 Return bend to 5 Chrome, 0.5 Mo alloy steel furnace tube. The electrode proposed is ENiCrMo3. The return bends are in a header box adjacent to the radiant section (horizontal tube furnace – crude distillation unit).

 

Is PWHT required to be done after welding?

 

Thanks

 

Ashok

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