Multiple choice

Stainless steel is an alloy of

  1. iron and nickel

  2. iron, chromium and nickel

  3. iron, chromium and zinc

  4. iron and manganese

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In addition to iron, carbon, and chromium, modern stainless steel may also contain other elements, such as nickel, niobium, molybdenum, and titanium.