Stainless steel is a group of iron-based metal containing at least 10% chromium (alloy metals). The chromium oxide “CrO” creates an invisible barrier (“passive film”) to oxygen and moisture. The Chromium protects the iron against most corrosion or red-colored rust; thus the term “stainless” steel. The layer is too thin to be visible, meaning the metal stays shiny. It is, […]
