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I'm having a logistical nightmare trying to arrange to get my none MOT'd capri to an exhaust fabricators and just had a thought. My mate can weld, Ive seen a good site that sells stainless 3" pipe in various lengths and bends, is it difficult to weld stainless? As I could make a mock up, buy some pices as get my mate to weld them together? I'm not sure if its a more difficult process to weld stainless though?
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If it's MIG, then you just need stainless wire.
Normal wire will do but you get a rusty weld as it will affect the carbon balance making the weld 'non stainless' if you get my drift.
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yeah make sure you get stainless wire.
it will also make the bit round the weld go bluey black.
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I am only a novice but if you use Argon instead of CO2 then the welds don't go black when welding stainless.
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stueyt
Posted a lot
Saving cars from the scrapyard.
Posts: 1,682
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Jul 13, 2010 11:01:46 GMT
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I would say if you are going to weld your own stainless exhaust the best thing is to use a TIG rather than MIG, gives a neater weld and also Tig is better designed for Stainless.
Cheers,
Stu.
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Always looking for the next project!
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MrSpeedy
East Midlands
www.vintagediesels.co.uk
Posts: 4,786 
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Jul 13, 2010 11:23:36 GMT
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I am only a novice but if you use Argon instead of CO2 then the welds don't go black when welding stainless. No. Argon is all we use for welding stainless, although i believe Nitrogen gives a slightly cleaner weld ! |
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Jul 13, 2010 12:03:30 GMT
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I've welded stainless with my mig before using stainless wire and it turned out okay. That was using an argon mix same as I use for normal steel but I suspect argon would be much better. Mig welds will never be as neat as tig though but unless it's a show car I wouldn't worry too much.
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1962 Datsun Bluebird Estate - 1971 Datsun 510 SSS - 1976 Datsun 710 SSS - 1981 Dodge van - 1985 Nissan Cherry Europe GTi - 1988 Nissan Prairie - 1990 Hyundai Pony Pickup - 1992 Mazda MX5
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