this post was submitted on 08 Aug 2024
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Aluminum (mander.xyz)
submitted 1 month ago by [email protected] to c/[email protected]
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[–] [email protected] 19 points 1 month ago* (last edited 1 month ago) (11 children)

I can't think of many things you encounter every day that just use straight iron. Only alloys that use iron

Meanwhile, you'll use very pure aluminum all the time

[–] [email protected] 6 points 1 month ago* (last edited 1 month ago) (1 children)

Pure aluminium is only used when you need to have very little reactivity.

General construction steel has >98% weight iron. Around the same as most aluminium alloys.

[–] [email protected] 1 points 1 month ago* (last edited 1 month ago) (1 children)

Really now? I thought most steel had way more carbon & chromium/nickel/manganese than that. I guess I underestimate how little is needed to make iron no longer mushy.

[–] [email protected] 3 points 1 month ago

It is mainly only in stainless steels that have anything other than iron in high concentrations, they might have something like 30% of their weight elements other than iron

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