Multiple choice

The substance used for making nuts and bolts is

  1. Mild Steel

  2. High Speed Steel

  3. High Tensile Steel

  4. Stainless Steel

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

It's composition is: 0.15 to 0.30% carbon. It is tough, has high tensile strength and ductility. It can be used as girders, plates, nuts and bolts.