Shiva Chill Rolls Private Limited manufactures Indefinite Chilled Cast Iron Rolls. Shiva Chill Rolls Private Limited holds an ISO 9001:2000 quality assurance certifications. Indefinite Chilled Cast Iron Rolls is cast using such proportions of silicon, chromium, nickel and molybdenum that the working face is no longer completely white but contains a small amount of very finely divided graphite flakes gradually increasing from face to core with corresponding decrease in the amount of carbide. Indefinite Chilled Cast Iron Rolls are to ensure minimum sacrifice of clear chill while achieving maximum functional depth. This rolls are superior in biting performance and have enough strength and resistance against thermal shock occurring at the time of accident in the rolling operation compared to clear chill rolls. Roll of this type have hardness up to about 70 Shore øC can be grooved for use in roughing and finishing stands, for processing sections such as T-bars and U-sections, and for roughing and intermediate rolls of wire and rod mills.