What property makes stainless steel notable?

Stainless steel is particularly noted for its corrosion resistance, which is a result of the presence of chromium in its composition. Typically, stainless steel contains at least 10.5% chromium by mass, which forms a thin, protective layer of chromium oxide on the surface of the metal. This layer significantly impedes the corrosion process, making stainless steel a preferred material in environments prone to moisture and chemicals.

In comparison, stainless steel is not magnetic in all its forms due to its austenitic structure, which is prevalent in many stainless steel grades. Additionally, while stainless steel is technically an alloy, its unique properties arise from its specific alloying elements, including chromium, nickel, and molybdenum. High carbon content is more characteristic of tool steels that require hardening, whereas stainless steel usually has a lower carbon content to enhance its corrosion resistance and formability. Thus, the hallmark of stainless steel is its ability to resist rust and oxidation, making it ideal for various applications in industries ranging from culinary to medical equipment.