SS 304 to SS 321 welding

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hrish...@gmail.com

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Nov 25, 2010, 8:15:58 AM11/25/10
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1.Pl advise if SS 304 to SS 321 piping welding is possible? If so what is the consumable to be used
2. Is welding of SS 321 possible with E 308 consumable provided one has an approved WPS/PQR?

Thanks
Hrishi
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Ramprasad Chari

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Nov 26, 2010, 2:43:23 AM11/26/10
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You need to weld with FW ER347 or Electrode E347-15/16
Regards
Aarpee


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Majdi N Elyyan

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Nov 26, 2010, 3:15:14 PM11/26/10
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Dear All

 

Just to share the attached article with all

 

Regards

Majdi Elyyan

Failure analysis of a welded outlet manifold pipe in a primary steam reformer by improper selection of materials.pdf

Duraimurugan Subramanian

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Nov 27, 2010, 12:17:42 AM11/27/10
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Dear Hrishi
 
 
you need to weld with ER308L / ER308L-15 Electrodes.
 
 
Regards
 
Durai Murugan
QC Welding Inspector

From: "hrish...@gmail.com" <hrish...@gmail.com>
To: Materials Welding <material...@googlegroups.com>
Sent: Thu, November 25, 2010 4:15:58 PM
Subject: [MW:8385] SS 304 to SS 321 welding
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Yogesh kumar

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Nov 27, 2010, 2:59:17 AM11/27/10
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You may go with ER309MoL also to weld 321/304 with due consideration of heat input.

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Mayur Purwant

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Nov 27, 2010, 10:10:13 AM11/27/10
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pl advise,
 
I am Facing problem in SS304L welding,
 
The job requirement is,
Welding of SS304  12mm thk plates with SS308L filler wire i.e. TIG120 (GTAW only) in 3G position and the RT of the joint is as per sec III.
 
When I did welding, I found Clusters and Porosity in RT film, I did trials for the same on 200 mm length coupon with same thk base material and it found OK in RT.
 
Again I decided to weld job with puting same parameters as per mock up, But surprisingly in RT film again the same problem was observed i.e. clusters and porosity.
 
Please advise me hoe to minimise or reduce this problem. 
 
 
Regards,
Mayur

kannayeram gnanapandithan

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Nov 28, 2010, 7:36:03 AM11/28/10
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308L is ok for dissimilar weld of this combination
genearally major alloying elements composition is same for both except 321 is stabilized steel,
kgp

On Thu, Nov 25, 2010 at 6:45 PM, <hrish...@gmail.com> wrote:

Yogesh kumar

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Nov 28, 2010, 7:45:48 AM11/28/10
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  • ensure proper purging of the weld joint
  • the quality of argon gas in GT AW
  • proper shielding of job


regards




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