Question

The amount of carbon present in low carbon steels is ___________

(a) 5% to 7%

(b) 0.70% to 2.2%

(c) 0.10% to 0.30%

(d) 0.6% to 0.8%

The question was posed to me in an interview.

This interesting question is from Properties of Steel and its Alloys in chapter Steel and its Alloys of Aerospace Materials & Processes

Answer 1

The correct option is (c) 0.10% to 0.30%

The best explanation: Carbon is an extremely significant material/substance in steel.  There are different types of steel based on the amount of carbon present. Low carbon steels have a carbon content of 0.10% to 0.30%. High carbon steel has 0.70% to 2.2% carbon.