Alloy Chilled Cast Iron Rolls Description: 1) Size: as requested 2) Hardness: as requested 3) Chemical Composition: as requested There is little free graphite in the body of these rolls, which have excellent hardness, outstanding property of wear-resisting. Its metallographic structures are nodular troostite and carbide. Application: Minitype structural steel, wire rod, hot rolling sheet and leveling rolling mill, etc.