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Stainless steel is an alloy of
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nickel, manganese and chromium
💡 Explanation:
Stainless steel is an iron-based alloy that contains chromium as its essential element, with nickel and manganese as common additional components. Chromium (minimum 10.5%) provides corrosion resistance by forming a protective oxide layer on the surface. Nickel enhances corrosion resistance and mechanical properties, while manganese improves hot working properties and contributes to the alloy's strength and toughness.