Newbie Ques: Propane Torch to solder L brackets

I'm sorry if I'm not sure of teh correct terminology but...
I'd like to build an "electronics cage" out of simple home-depot purchased L
brackets and such. I would then want to screw an outer aluminum skin to the whole thing as an enclosure. The question is, can i use a standard propane torch to solder together the different types of brackets? i assume they are made of steel, could be wrong. What material would I be using to join the different pieces togetherto form a single rigid cage?
Thanks.
btw, I'm also looking at the Roland mdx650 for cutting some fancy aluminum sheets for the enclosure plates. I'd appreciate any feedback on that if you have used it.
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I would try the potmetal rods - if all you got is a propane torch. You can get it at the weld supply shop, "Harris 52" I think, or just tell em you're looking for low temp filler rod for aluminum and they will have what you need.
It wets to steel pretty well, and it's a hell of a lot better than solder.
They also sell it on Ebay - it's that "miracle" stuff -"alumalloy" or something like that.

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Thanks for the quick reponse... i read a bit about alumalloy but didn't know if it applied to what i was doing. Actually I didn't know if i could get away with something as low-tech as a propane torch at all. I'm glad to see it's possible since I can start experimenting cheaply. Thanks, I'll looks into what you recommended.
Al

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