These rolls are self-possessed mainly of pearlite with some cementite in the structure. adamite rolls are strolled than cast iron rolls and harder than other steel rolls. an outstanding feature of adamite rolls in that the inner hardness is about the same as that of the surface. adamite steel rolls are classified as ordinary. these rolls are used in pre-finishing to polishing stands in structure mills where wear resistance is very important along with considerable amount of strength and toughness.