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Spheroidal Graphite Cast Iron Rolls
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These static cast Rolls are structurally characterized by nodular graphite. High Tensile strength and deep hardness penetration are few properties that nodular graphite gives these Metal Rolls. Because of excellent mechanical & material properties these Metal Rolls are capable of withstanding heavy loads and hence these Rolls are used in various Mills that produce different products. These Rolls are structurally made up of cementite and nodular graphite. Sufficient water cooling is a necessity for satisfactory performance. Depending upon the required mechanical properties i.e. wear resistance, Roll hardness, strength, of Rolls, wide range of Rolls: 1. Pearlitic and 2.Bainitic Accicular can be made by alloying with nickel, molybdenum and chromium for added strength and deep hardness penetration. Applications of Spheroidal Graphite Iron Rolls include : Blooming, section and wire rod roughing. Wire rod roughing and intermediate rolling. Plate intermediate and finish rolling. Roughing, intermediate and finishing for Rail and Structural mills. Size limitation : Maximum : 600 mm diameter Minimum : 150 mm diameter
