It prevents any further oxidation of the stainless steel. The chromium oxide, in most cases, is a very thin layer that doesn’t spawl off. This happens because chromium has a very strong affinity for oxygen. When stainless steel is exposed to oxygen, a layer of chromium oxide forms on the surface. It eventually wades off, leaving raw steel exposed, which then starts an inevitable rusting cycle. When the surface of typical steel is exposed to oxygen, it always forms oxide (Fe2O3), which has a popular red rust color.įerric oxide is not capable of forming an endless layer on the steel because the oxide molecule occupies a larger area than the underlying iron atoms. Stainless steel encompasses other elements like nickel and manganese, but chromium is the key element that makes it rust-resistant. Stainless steel contains iron, carbon, and anywhere from 12-30% chromium. To understand what makes chrome steel rust, it is first important to have a plain understanding of the science that typically prevents it from rusting. Just like other metals, there is always science behind the rusting effect of the stainless steel metal. The science behind rusting of stainless steel 5.1 Precautions for Stainless Steel Rust Removal.5 How to remove rust from stainless steel?.4 How Can I Remove Rust from Stainless Steel?.3 How Do You Keep Stainless Steel From Rusting.2.5 Contamination during manufacturing and cleaning, welding.1 The science behind rusting of stainless steel.
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