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Is it possible? If so then its an easy solution to a possibly massive problem I'm having with my project!!
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ive done this plenty of times mate
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Awesome so there are no special procedures required then? I'm trying to make my custom exhaust and the way Ive designed it it wont be 'boltable' with a flange coz of the angle, however if I weld the downpipe straight to the elbow it'll be ok!
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Copey
Posted a lot
Posts: 2,845
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my side exit exhaust was welded mild to stainless Dave, just with a normal mig
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1990 Ford Sierra Sapphire GLSi with 2.0 Zetec
1985 Ford Capri 3.0 (was a 2.0 Laser originally)
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Dez
Club Retro Rides Member
And I won't sit down. And I won't shut up. And most of all I will not grow up.
Posts: 11,733
Club RR Member Number: 34
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welding stainless to mildDez
@dez
Club Retro Rides Member 34
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apparently, according to a shipwright welder mate of mine, it is theoretically possible to get accelerated corrosion at the point where the two metals meet, same as any other form of bimetallic corrosion.
but in practice, ive done it loads especially on exhausts welding mild steel flanges to stainless tubes, and ive never had a problem, so yeah do it and don't worry about it.
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yeah its fine for non structutal parts, Ive done it on exhausts before. When I started making some outriggers and side rails for my herald, I was advised by a steel fabricator not to make them from stainless due to increased corrosion (as Dez has said) and possibly a weaker joint due to the different material structures.
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just make sure the mild is as clean as you can get it.. brightly clean if poss and it will weld even easier than steel to steel. .
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grind it all back til its shiny, and clean with acetone for a very clean weld.
depends if your mig, tig or arc'ing it tho !
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Thanks guys, much appreciated - be sure Ill post a vid of it runnin when its built  |
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Can't wait to get this on, its gonna sound pretty fearsome its 3" out the turbo, under the car going to a 4" cherry bomb then continuing 3" till just before the rear wheel then coming out the side, I'm thinking at a slight angle upwards and then slash cut, need to make sure the flames avoid the rear tyre a bit, videos WILL be posted |
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