A steel alloy containing 36% nickel is called __________, which has a
zero co-efficient of expansion.
(A) Austenitic stainless steel
(B) Heat resisting steel
(C) Invar
(D) High speed steel
zero co-efficient of expansion.
(A) Austenitic stainless steel
(B) Heat resisting steel
(C) Invar
(D) High speed steel