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Steel or aluminum for CNC mill enclosure?

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rk9268vc

Aluminum
Joined
Dec 2, 2021
Location
Minnesota
I am working on designing and building an enclosure for my CNC mill

I am trying to figure out the best metal for building the enclosure out of. I will be TIG welding and bending it.

The big question is whether to go with steel or aluminum.

The current choice is between 5052 aluminum 0.063" thick vs 1008/A366 cold rolled steel 16ga

5052 Aluminum sheet 0.063" thick
5052 H32 Aluminum Sheet | Coremark Metals

A366/1008 cold rolled steel 16ga
Cold Rolled Steel Sheet Supplier | Coremark Metals

The steel is the cheapest, but I will have to paint it and worry about rust
The aluminum will be lighter to work with and doesnt rust, but I would still paint it because of corrosion (and looks)

Anyone have experience building an enclosure/ maintaining one that can offer some insight?
Thanks!
 
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