this post was submitted on 05 May 2024
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[–] iiGxC@slrpnk.net 11 points 5 months ago

https://www.primaryconnections.org.au/themes/custom/connections/assets/SBR/data/Chem/sub/corrosion/corrosion.htm

aluminum actually corrodes quicker, but it oxidizes to a layer of aluminum oxide that seals out air and water, whereas iron has a permeable oxide that lets air and water get to the iron under the oxide. So in practice it doesn't rust nearly as fast as iron