1430Mechanical EngineeringMedium
Structural steel contains following principal alloying elements________?
Anone of the above
Btungsten, molybdenum and phosphorous
Cnickel, chromium and manganese
Dzinc, sulphur, and chromium
Elead, tin, aluminium
Correct answer
C. nickel, chromium and manganese
Explanation
The correct answer is nickel, chromium and manganese.