![]() Zinc is often used to protect against corrosion through the galvanizing process. Steel - or carbon (not stainless) steel, to be specific - typically needs to be painted after being spun in order to protect it from rust and corrosion. As a result, it requires no paint or other coating to keep it from rusting. But unlike iron oxide, aluminum oxide sticks to the metal, shielding it from decay. Here’s how they stack up: CORROSION RESISTANCEĪluminum oxidizes via the same type of chemical reaction that causes iron to rust. ![]() While both metals have countless uses, there are a few key factors that can help you determine which one is best for the job. ![]() Steel and aluminum are two of the most widely used materials on the planet.Īluminum is the second-most abundant metallic element on Earth after silicon, while steel is the world’s most popular alloy.
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