Chilled Rolls Suppliers and Manufacturers

We supply the rolls up to 32ö diameters & up to 7 tons weight. We understand that you manufacture a wide range of steel am sure would be interested to adopt our high quality chilled rolls for improving the performance of your products.

Definite chilled iron rolls have a high-hardness layer of white cast iron at the surface. These rolls have the advantage of selecting the harder best performing material on the working surface, which is primarily a Cr-Ni-Mo alloyed chill cast iron & a relatively softer material inside. White chill iron is less soft,strong and incapable of withstanding high dynamic stresses but owing to its greater hardness , has enough strength and better wear resistance against thermal shock occurring at the time of accident in the rolling operation compared to other chilled rolls. These rolls have high compressive strength.It retains a fair proportion of its strength at elevated temperature, for example, in hot rolling . Chilled to graphite being smoother, the hardness associated with the definite chilled structure allows deeper grooving. A very fine surface finish is required , rolls for hoop and skelp mills must be chosen with special attention to strength and hardness so the rolls will match the roughing , intermediate and finishing stands. The rolls are double poured duplex rolls and are manufactured by the advance centrifugal process. These make excellent work rolls for two, three and four-high mills, turning out of high grade ferrous and non-ferrous sheet and strip or section. High Alloy Clear Chill Rolls have proved well suited for the finishing stand of rod and light section mills, for continuous small and medium hot strip mills, and for strip mills of older design. These rolls are manufactured for section mills producing rounds, squares, flats, Hexagon, Gate Channel as well as mills producing Tor steel and Tmt bars. Material Specifications Process Hardness Clear Carbon Chilled Cast Iron Centrifugal Spun Cast 430 - 550 HB Ni-Cr Alloyed Chilled Cast Iron Centrifugal Spun Cast 500 - 630 HB Grey Cast Iron Centrifugal Spun Cast 180 - 350 HB Applications - Rolling Mills TMT Type Rolling Mills

The rolls are double poured duplex rolls and are manufactured by the advance centrifugal process. Duplex Rolls have the advantage of selecting the harder best performing material on the working surface, which is primarily a cr-ni-mo alloyed chill cast iron & a relatively softer material inside. After casting the rolls are annealed to relieve the Internal stresses thus improving the strength of the material. After heat treatment the rolls are proof machined & fitted with steel shaft to close tolerance. These rolls are manufactured for section mills producing rounds, squares, flats, hexagon, gate channel as well as mills producing tor steel and tmt bars. We also provide single poured chill Cast iron rolls for angle and channels

These rolls are manufactured For ò roller flour mills ò solvent extraction plants ò rubber mixing mills ò crushing plants/sugar Plants ò biscuit plants ò confectionery (chocolate Refiners) plants ò soap plants ò paper calendaring machines ò ink plants ò paint plants ò cereal and grain milling ò food processing ò rice flaking ò oil seed crushing/flaking and malting ò pellet crumbling ò coffee grinding ò guar - gum plants ò laminated film plants ò mineral & ore grinding The rolls are double poured duplex Rolls and are manufactured by the Advance centrifugal process. Duplex Rolls have the advantage of Selecting the harder best performing Material on the working surface, Which is primarily a clear carbon Chilled cast iron or a cr-ni-mo Alloyed chill cast iron & a relatively Softer material inside. After casting The rolls are annealed to relieve the Internal stresses thus improving the Strength of the material. After heat Treatment the rolls are machined & Fitted with spindles from both sides. Fluting is also done on the roll Surface as per requirement of the Customer.

Chill rolls From %"dia to 24" dia

Alloy chilled cast iron rolls are one kind of cast iron rolls, which contain almost no free graphite in the matrix of working layer of the barrel. They have hardness and excellent wearabillity, are suitable to finish stands of light bar and wire rolling mills and narrow strip mills. Its microstructure is fine pearlite and carbides. Chemical Element %: Brand C Si Mn Cr Ni Mo CC 1 3.00-3.50 0.20-0.80 0.20-1.00 0.20-0.60 0.50-1.00 0.20-0.60 CC 2 3.00-3.50 0.20-0.80 0.20-1.00 0.30-1.20 1.01-2.00 0.20-0.60 CC 3 3.00-3.50 0.20-0.80 0.20-1.00 0.50-1.50 2.01-3.00 0.20-0.60 CC 4 3.00-3.50 0.20-0.80 0.20-1.00 1.00-2.00 3.01-4.80 0.40-0.80 Properties and Application: Brand Barrel Hardness(HS) Tensile Strength(Mpa) Bending Strength(Mpa) Application CC 1 60-70 150 300-400 Small profiled bar, stick and narrow steel finishing mill frame CC 2 60-75 160 300-400 CC 3 65-80 300 500-700 CC 4 70-85 300 500-700

Chilled cast iron contains almost no free graphite in the matrix of working layer of the barrel. The microstructure is fine pearlite and carbides. It has a high hardness and excellent wear resistance. It is suitable for finishing stands of light bar and wire-rod rolling mills and narrow strip mills.

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