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Re: [MW:17833] RE: 17817] Welding and cladding SA-516 Gr. 60 + AISI 410S

By Materials & Welding

If you explore in the commercial market, you may get  410S or any other SS,  hard facing and also made to order
(mostly made in Europe, Australia, and likewise) 0verlay sheets/plates in various lengths and thicknesses including
3  mm thick.

You can join the them directly on the base using E 309L / ER 309L  type consumables  and also may help  to avoid
PWHT  if needed.

Otherwise, you have to follow conventional methods only.

Sridhar.
 
From: Prakash Hegde <pb.hegde@yahoo.com>
To: materials-welding@googlegroups.com
Sent: Tuesday, 28 May 2013 10:10 PM
Subject: Re: [MW:17825] RE: 17817] Welding and cladding SA-516 Gr. 60 + AISI 410S

Generaly  tube sheet is being explosion boded with 410 S on CS and tube to tube sheet welding is carried with 309L/309MoL metallrgy and PWHT to be carried with respect to P1 material i.e. at 600-610C  (donot increase the temp beyond 640C)
It is prefered to weld T/T sht joint by GTAW
Regards
 
Hegde P.B.

--- On Tue, 2h 410S8/5/13, KRR ENGG <ebenezer@krr.co.in> wrote:

From: KRR ENGG <ebenezer@krr.co.in>
Subject: [MW:17822] RE: 17817] Welding and cladding SA-516 Gr. 60 + AISI 410S
To: materials-welding@googlegroups.com
Date: Tuesday, 28 May, 2013, 9:46 AM

When your shell is SS, tubesheet has to be solid ss; cladded tubesheet will not be effective. Check the design. Anyway recommended tubesheet is explosion bonded material. It is very tricky to weld tubes to tubesheet (with weld overlay)and that too with PWHT; cracking is a big concern.
 
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Branko Ferencak
Sent: Monday, May 27, 2013 5:38 PM
To: materials-welding@googlegroups.com
Subject: [MW:17817] Welding and cladding SA-516 Gr. 60 + AISI 410S
 
I have shell 20mm thick ( SA-516 Gr, 60 ) and there must be cladd AISI 410S 3mm    
Could anybody tell me which filler i can use, for SAW  and GMAW?
GMAW i  planning use for flanges and tubesheets ( after i overlay tubesheet - what is procedure for welding tube to tubesheet? )
Also PWHT has been asked by customer after overlay. 
Can anybody tell the effect of PWHT on SS 410S overlay? 
What will be the the safe range of temperature of PWHT?  ( Also recommended temperatures and times, holding cooling...)
 
Best regards,
Branko Ferencak
 
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