Can aluminum rust？
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No, aluminum does not rust like iron or steel. Instead, aluminum forms a thin layer of aluminum oxide on its surface when exposed to oxygen, which protects it from further corrosion. This oxide layer is transparent and adheres tightly to the metal, providing excellent corrosion resistance. However, aluminum can still corrode under certain conditions, such as exposure to acidic or alkaline environments. This corrosion typically appears as white spots or pitting on the surface of the aluminum, rather than the reddish-brown rust associated with iron and steel.