Annealing of white cast iron results in production of

A. Malleable iron

B. Nodular iron

C. Spheroidal iron

D. Grey iron

Answer: Option A

Solution(By Examveda Team)

Malleable iron is obtained by the heat treatment of white iron so the hard iron carbide structure of ledeburite is converted to a matrix of ferrite or pearlite and graphite is precipitated within the iron.
This form of graphite is sometimes referred to as tempered carbon.