Answer / Nitin Pratap Singh

Stainless steel is an alloy that contains a minimum of 10.5% chromium and at least one other active element like nickel, molybdenum, or manganese to enhance its corrosion resistance. Chromium forms a passive oxide layer on the surface of the stainless steel, which protects it from further corrosion. Nickel increases the toughness and ductility of the steel while also improving its resistance to high temperatures. Molybdenum enhances the pitting resistance and crevice corrosion resistance of the stainless steel, particularly in chloride-containing environments. Carbon, when present in small amounts (below 0.2%), acts as a strengthening agent by forming carbides with other elements in the alloy.

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