Aluminum is a standalone element on the periodic table, which means it contains nothing but itself. The reason for this is simple - aluminum contains no iron. Common metals that don’t rust include:Īluminum is rustproof. Metals with little to no iron content, also known as non-ferrous metals, will not rust, though they may react to oxygen in other ways. Any other reaction, by definition, is not rust. Rust can only occur when there are iron, oxygen and water molecules. Rust is a chemical reaction, so the right elements must be involved for rust to form. Learn about which metals don't rust, as well as which metals do rust. This makes them ideal for outdoor placement, as they'll last much longer in natural conditions. That means other metals that do not contain iron are not susceptible to rusting. The easiest way to avoid rust is to choose the right metals. Rust can destroy metal objects and render them useless, requiring expensive and time-consuming replacement.
Any metal that contains iron can rust, while other metals react to oxygen in other ways. The term "rust" actually refers to iron oxidation - in simple terms, it's the combination of iron and oxygen. You likely know rust to be the flaky, reddish corrosion on metal surfaces.
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