Chromium in steel________?
Aimproves wear resistance, cutting ability and toughness
Bgives ductility, toughness, tensile strength and anticorrosion properties
Cmakes steel hard
Dimproves cutting ability and reduces hardenability
Erefines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties
Correct answer
A. improves wear resistance, cutting ability and toughness
Explanation
The correct answer is improves wear resistance, cutting ability and toughness.