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Which of the following composition range is correct regarding stainless steel?

Which of the following composition range is correct regarding stainless steel? Correct Answer 11.5 to 30% chromium and 0 to 22% nickel

Stainless steel is the generic name for a series of more than 30 different alloys with composition ranges from 11.5% to 30% chromium and 0 to 22% nickel and other alloying elements.

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