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  1. The important metal used with iron to produce stainless steel is

    2. A.

     Aluminium
    B.

     Chromium
    C.

     Tin
    D.

     Carbon

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    Answer : Option B

    Explanation :

    Stainless steels are iron alloys with a minimum of 10.5% chromium. Other alloying elements are added to enhance their structure and properties such as formability, strength and cryogenic toughness. These include metals such as: Nickel.

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