Multiple choice

Stainless steel is an alloy of

  1. iron & nickel

  2. iron, chromium & nickel

  3. iron, chromium & zinc

  4. iron & manganese

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

Stainless steel is primarily an alloy of iron, chromium, and nickel. Chromium is added to provide corrosion resistance, while nickel improves the mechanical properties and corrosion resistance further.