eli5, What is the difference between aluminum and space grade aluminum?

Question

Is it just marketing or is there an actual structural difference?

In: 807

Answer 1

There’s a bunch of different aluminum alloys with a different applications based on cost/properties.

[Aluminium alloy](https://en.wikipedia.org/wiki/Aluminium_alloy)

I’d bet you it’s 6061. Common and basically it’s good at most stuff.