Corten Plates and Sheets are made of corten, which is a general name for weathering steels. This is a material that forms a stable rust-like appearance after it has been exposed to the weather. It was developed to be resistant to corrosion, and it does not need active maintenance or painting. The Corten Steel Plates material is a mix of different types of steel (alloy) and it possesse... https://www.amardeepsteel.com/corten-steel-plates-sheets.html