Q. Why stainless steel is called so?

Answer

The term stainless is a combination of two words stain + less. Stain means a mark, a spot or a blemish. Therefore, stainless steel derives its name from acquiring the quality of blemish-free metal that has no mark or stain. This quality is acquired by mixing chromium in the alloy. It resists corrosion and rust nearly 100%.

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