1728Mechanical EngineeringMedium
Steel contains________?
Ahigh quantities of sulphur
Belements like phosphorus, sulphur and silicon in varying quantities
C80% or more iron
D50% or more iron
Ealloying elements like chromium, tungsten nickel and copper
Correct answer
D. 50% or more iron
Explanation
The correct answer is 50% or more iron.