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Welders help :0/

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Old Jul 3, 2011 | 01:29 PM
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Default Welders help :0/

Here's a quick question for all you welders, in a stupid moment of being a fool I ordered some exhaust pipe bends, not looking properly I have ordered all stainless steel but two I ordered are mild steel.
Heres the question am I going to have problems welding these to different materials together?
I googled it and got mixed results.
He he I'm already feeling outside my comfort zone lol
Should be a fun project lol

Should add I'm planning to mig weld
 

Last edited by ironhide_uk; Jul 3, 2011 at 01:31 PM. Reason: More info needed
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Old Jul 3, 2011 | 01:49 PM
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Dissimilar metals shouldn't be a huge issue, but I'd TIG them with SS filler rod. They will weld together fine either way.
 
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Old Jul 3, 2011 | 02:07 PM
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Mmmmm not the first time I've seen this tig with ss filler rods, that was the favourite option I found on google.
Only problem is I don't have a tig and don't really have the cash to get one :0(
Is there no way to mig weld this set up?
 
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Old Jul 3, 2011 | 02:40 PM
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You can mig, but you better be a good welder and expect sub par fusion. The TIG suggestion is bc it actually will make a much stronger weld on those. Don't be discouraged just take your time make sure your settings are right.
 
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Old Jul 3, 2011 | 02:48 PM
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You could always tack it all together check fitment and then take it to someone for final tig welding.
 
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Old Jul 3, 2011 | 02:54 PM
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Good!!!!!! Expert!!!!!! Ha this is my first welding project lol
No I'm joking I've done small jobs (tiny) and they have held up ok.
I was thinking I could tac weld the bends and take it off and get it welded up by a local welder.
I ordered extra bit to practice on till I felt ok to go for it.
I'm thinking I need to save up for a cheap tig setup

Ha blcbagger beat me to it as I was typing lol
 
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Old Jul 3, 2011 | 02:58 PM
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I should have asked if these are slip fits or butt welds. Slip fit welds won't make that much difference MIG vs Tig.
 
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Old Jul 3, 2011 | 03:01 PM
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Originally Posted by ironhide_uk
Good!!!!!! Expert!!!!!! Ha this is my first welding project lol
No I'm joking I've done small jobs (tiny) and they have held up ok.
I was thinking I could tac weld the bends and take it off and get it welded up by a local welder.
I ordered extra bit to practice on till I felt ok to go for it.
I'm thinking I need to save up for a cheap tig setup

Ha blcbagger beat me to it as I was typing lol
Are you using flux core or gas for the mig? I hate flux core!
 
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Old Jul 3, 2011 | 03:23 PM
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Originally Posted by Snal
I should have asked if these are slip fits or butt welds. Slip fit welds won't make that much difference MIG vs Tig.
Slip fit, I'm not that brave to do butt welds and it's gas.
Mig vs tig difference......That's good to know.
 
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Old Jul 5, 2011 | 11:54 AM
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Tig weld them for best results.
Use 309 filler wire for stainless to carbon dissimilar metals.
 
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