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asrinivas0304
Participant

Join Date: Jan 2008
Posts: 2

Selecting a Welding Electrode

06/29/2009 9:27 AM

Dear all,

kindly advise me which welding electode/filler wire can be used for A 335 Gr.P22 to S.S 316 materials.

Regards,

Srinivas
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Guest
#1

Re: selection of welding elecrode

06/29/2009 1:12 PM

You can use 309 or 309Mo for lower temperatures, but if creep/high temperature is an issue - you should use a nickel-base alloy filler metal such as ERNiCr-3 or ENiCrFe-2
atorroja
Associate

Join Date: Mar 2009
Posts: 48
#2

Re: Selecting a Welding Electrode

06/30/2009 12:51 AM

Yes, P5A with P8 plus Temp. Use E-CrNiFe2 (Iconel 182)
atorroja
Associate

Join Date: Mar 2009
Posts: 48
#3
In reply to #2

Re: Selecting a Welding Electrode

06/30/2009 2:28 AM

Remember to pre heat 150 C and mazx interpass 400 C..
pipewelder
Guru
Hobbies - DIY Welding - pipewelder

Join Date: Apr 2007
Location: North Georgia, USA
Posts: 617
Good Answers: 31
#4

Re: Selecting a Welding Electrode

06/30/2009 11:29 AM

I would suggest an inconel 182 electrode for this bi metal weld. While it is ok to use a 309 on stainless to carbon steel welds it is not ok to use a 309 on stainless chrome moly. I went through this problem many years ago when welding stainless steel thermowells in to chrome moly steam lines. I ended up writing a new WPS, PQR and and qualified welders for this very thing.

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pipewelder
Guest
#5

Re: Selecting a Welding Electrode

07/05/2009 3:04 AM

BRN ENGINEERING SERVICES is engaged in consultancy service for preparation and establishment of WPS, PQR & WPQ for its customers AT CHENNAI . If intrested please send your mail to Mr.V.R.NATARAJAN.

vrn666@hotmail.com
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Previous in Forum: EPDM O-Rings   Next in Forum: Tool to Fit a Sealing Washer in a Bore
You might be interested in: Laser Welding Services, Filler Alloys and Consumables, Welding Alloys


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