Corten is a specific class of carbon steel. Corten steel shows high resistance to weather conditions. Briefly, it can be called “rusty” or “rusted” steel. Corten steel is primarily; carbon, silicon, manganese, phosphorus, sulfur, chromium, nickel and copper. Corten steel is a group of steel alloys developed to eliminate the need for painting and maintains a stable form of rust appearance for years. Corten steel is extremely attractive with an attractive, warm, natural iridescent tint but also pure and truly aesthetic paradox. The natural coating creates an attraction for many architectural projects with its oxidized appearance.