--This an Air Cooler, and the operating temperature is +350C.
Date: Mon, 25 Apr 2016 00:04:41 -0400
Subject: Re: [MW:24739] RE: 24723] welding filler metal for SS321
From: pgoswami@quickclic.net
To: materials-welding@googlegroups.com
CC: pgoswami@quickclic.net
What's the process fluid and the design temperature?
-------- Original message --------
From: Himan Nikdin <himan.nikdin@outlook.com>
Date: 2016-04-24 11:26 PM (GMT-05:00)
To: materials-welding@googlegroups.com
Subject: [MW:24734] RE: 24723] welding filler metal for SS321
Dear PradipSince the operating temperature is below 400C, I think the E308LSi can be a good choice, Are you agree?Regards,Himan
From: pgoswami@quickclic.net
To: materials-welding@googlegroups.com
CC: himan.nikdin@outlook.com
Subject: RE: 24723] welding filler metal for SS321
Date: Wed, 20 Apr 2016 11:05:35 -0400
Hi Himan,
What's proposed by ESAB is not correct. Please seethe two attachments showing highlighted texts. S.S 321 is a Titanium stabilized steel. Hence the matching weld metals also shall be stabilized.
Titanium gets oxidized fast when it's added through coating. Hence other stabilizers such as Nb has to be added to the weld puddle to provide the stabilized weld metal as well as provide the high temperature Creep Properties. Thus 347 electrodes/fillers are the only solution.
Hope it clears your doubt.
Thanks.
Pradip Goswami, P.Eng,IWE
Independent Welding & Metallurgical Engineering Specialist & Consultant.
Ontario,Canada.
ca.linkedin.com/pub/pradip-goswami/5/985/299
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Himan Nikdin
Sent: Tuesday, April 19, 2016 11:21 PM
To: materials-welding@googlegroups.com
Subject: [MW:24723] welding filler metal for SS321
Dear Experts
Refer to API582 table A-2 proposed filer to weld SS321 to SS321 is E347-XX/ER-347 but some manufacturers such as ESAB propose E/ER-308LSi to this base material (SS321 to SS321) operating temperature is +350 C,
would you please advise in this issue.
Regards,
H.Nikdin
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