Cobalt in steel __________________?

A. improves cutting ability and reduce hardenability

B. refines grain size and produces les tendency to carburisation, improve corrosion and heat resistant proper ties

C. improves wear resistance, cuttinability and toughness

D. none of the above

E. gives ductility, toughness, tensile strength and anti corrosion property:

Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.

Discuss the answer or suggest a sourced correction
Thank you for contributing.
Your comment was submitted and will appear after editorial review.

Your email is used only for moderation and is never displayed. Spam, copied material and fabricated endorsements are rejected.