Annealing of white cast iron results in production of
A
Malleable iron
B
Nodular iron
C
Spheroidal iron
D
Grey iron
Correct Answer: Malleable iron
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.
