It is a steel alloy with a chromium content of at least 11.5 wt. Even though stainless are not yet evidence of corrosion, they do not rust and corrode as quickly as their other equivalents. In many products, Stainless Steel is used, but mostly in home appliances and utensils for cooking.
The principal difference between carbon steel and stainless steel is the amount of chromium present. Carbon steel in contact with air and moisture is susceptible to rust. A porous coating of chromium oxide occurs in stainless steel due to the presence of chromium, which stops the metal from corroding.
Self-healing property is Stainless Steel’s unique character. A thick, translucent film is formed on the substrate due to the alloy elements used. In the case of scratched or damaged surfaces, with the presence of oxygen from air or water, these few atoms thick thin layer immediately rebuild. This is why stainless steel does not need any paint or other defense against rust, even after thousands of users, to stay bright and shiny.