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How hard to weld aluminum?

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zkling

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Jan 23, 2007
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I hope by now the OP has either applied some JB weld, or paid someone to fix it for him.

The JB weld is a temporary fix,won't fix it for good.Get it tig welded.Heli arc welding is another option

Uhm, you do realize tig welding and heli arc welding are the same process, no?

Magnesium? For the love of God don't catch it on fire.

Magnesium is actually fairly simple to weld repair. Back when I was into vintage MX, I did a good number of repairs on those old cases, most of which were a mag alloy.
 

MagnumForce

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I hope by now the OP has either applied some JB weld, or paid someone to fix it for him.



Uhm, you do realize tig welding and heli arc welding are the same process, no?



Magnesium is actually fairly simple to weld repair. Back when I was into vintage MX, I did a good number of repairs on those old cases, most of which were a mag alloy.
Just don't use a cutting torch on it
 

wafrederick

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Magnesium is a whole different process to weld on.The newer GM transfer cases are magnesium now.The Stanley Bostitch nail gun housings are magnesium too
 
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Chuck122

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Feb 17, 2013
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Québec, Canada
I assume it is cast aluminum. if it is it will be soaked in impurities and oil. I'd advise you pay someone to tig it, because welding such part require that you sneak up on it with the heat. which is hard to do with a mig. unless you want to fork out a hefty chunk of change, buy a tig a learn to use it, then do the repair, I'd let a pro do that one
 

Fifelaker

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Fife Lake Mi.
I find magnesium a bit easier to weld than aluminum. It tends to wet out better than aluminum. The major drawback is the filler is pricey. I use the same tig/heli arc welder for both and the same settings.
 

Gregg33

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Port Colborne, ON, Canada
Maybe I'm lazy, but I'd just take it to my favorite welder, pay him some cash and it's done. Not worth the headache or the investment in equipment unless you plan on welding aluminum regularly. I had a cracked steering box on a tractor done. I've had no problems/ recracking, it's been well over 10 years.
 
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atikovi

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Suburban Washington DC
I got the pan off today and had a thought. What about flowing some solder into the crack with a propane torch? I'd still go over it with some JB weld or similar product for additional protection. Will solder stick to magnesium?
 
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