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Which of the metal is used to make stainless steel?

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in Fermentation Technology by (72.1k points)
Which of the metal is used to make stainless steel?

(a) Cr

(b) Pb

(c) Mn

(d) Fe

This question was posed to me in my homework.

Enquiry is from Fermenter Design topic in portion Design of Fermenter of Fermentation Technology

1 Answer

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Best answer
Right option is (a) Cr

For explanation: Chromium is used to make stainless steel. The American Iron and Steel Institute (AISI) states that steels containing less than 4% chromium are classified as steel alloys and those containing more than 4% are classified as stainless steels.

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