Multiple choice

What purpose does nitriding of steel serve?

  1. Hardening the surface of steel

  2. Hardening the steel

  3. Softening the steel

  4. Softening the surface of steel

  5. -

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

Nitriding is a heat treating process that diffuses nitrogen into the surface of a metal to create a case hardened surface.