Abstract:
The term Malleable Iron includes
ferritic (or standard) malleable iron and
pearlitic malleable iron. In commercial
practice, the unqualified term “malleable
iron” refers to the ferritic material. There
are two types of ferritic malleable iron,
namely, black heart and white heart. The
black heart material has a matrix of
ferrite with interspersed nodules of
tempered carbon. The white heart type
has a different form of tempered carbon
and usually contains some combined
carbon.
