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Rolls
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Rolls
Are used in rolling mill stands to roll hot or cold steel to form it by rolling pressure.
Indefinite Chilled Cast Iron Rolls
Properties:
The shell has a remarkable mechanical performance. With virtually no fall off in hardness due to the quantity of graphite remains basically unchanged throughout the working layer. The hardness of roll depends mainly on the type of matrix, namely sorbite or martensite
Definite Chilled Cast Iron Rolls
Properties
The mechanical properties are improved due to the presence of chilled surface strcture and the change of pinetree-like structure. The hardness and type of matrix of roll depend on the conditions of application. The roll produced with centrifugal method basically eliminates the presence of graphite in its working layer while the core is made of nodular cast iron, increasing as a result, both the wear-resistance and breaking strength.
Spheroidal Graphite Cast Iron Rolls
Properties
Thanks to its higher content of Ni and Mo alloys, pearlite, basinite and martensite matrixes with excellent performance are produced. The graphite si spherical form, demonstraing good heat transfer property and high tensile strength. Through changing the struture into basinite of marensite matrix, chemical compostion of needly-like spherical iron of heat treatment, a dense reticular primary cementite with high wear-resistance is produced
High Chrome Cast Iron Rolls
Properties
Thanks to its high content of M7C3 type carbide in the range of 20-30% and discontinuous network distribution of carbide, the roll offers a high wear-resistance performance. The matrix consist of tempered martensitic and sorbite with finely-dispersed secondary carbides (M7C3, M23C6 and M3C types), increasing therefore the wear-resistance of roll, the Cr2O3 enriched oxide film on the roll surfaces is highly resistant to oxidization and plastic strain, making the roll extremely suitable for steel hot rolling process.
Adamite Rolls
Properties
Microstructure consist of matrix and carbide with carbon content of 1.3-2.3%,depending on content of alloy and heat treatment process.The matrix consist of Pearlite or Bainite. With the addition of Cr,Mo and Ni for higher stability of carbide, enhanced high temperature resistence and strengthened matrix.The centrifugal roll has virtually no fall off in hardness throughout the shell as well as highly wear and high temperature resistance and high load resistance etc.
High Speed Steel Rolls
Properties
The shell is a high carbon alloy steel containing Cr,Mo,W,V and Nb.The Microstructure consists of complex carbides embedded in a tempered martensitic matrix.Control of the carbon and a complex heat treatment allows the optimization of wear resistance,thermal fatigue resistance and oxide film formation,whilst maintaining low residual stress values.
Forged Steel Rolls
Properties
Forged steel rolls are treated with dual frequency heating machine and cold treatment equipment. The whole procedure is computer-controlled so as to provide rolls with a deep hardened layer, high and homogeneous hardness, superior wear ability and sufficient resistance to accident. We produce forged roll for rolling mills, specialized making kinds of steel forging and casting mill roll and back up roll.
Furnace Rolls
Properties
High chromium-nickel furnace roll is made by centrifugal casting process, intended for use under elevating temperature. We can supply our customers with more reliable and flexible solutions based on specific requirement of operation environment.Material for centrifugal barrels: 24/24NbTz, G18/8NiCr, 28Cr/48Ni/5W, 25Cr/20Ni, 24/24NiCrNb(1.4855), 25Cr/35Ni(1.4852), 38Ni/18Cr(1.4865), 2.4633, 2.4879 or at customers request.
Are used in rolling mill stands to roll hot or cold steel to form it by rolling pressure.
Indefinite Chilled Cast Iron Rolls
Properties:
The shell has a remarkable mechanical performance. With virtually no fall off in hardness due to the quantity of graphite remains basically unchanged throughout the working layer. The hardness of roll depends mainly on the type of matrix, namely sorbite or martensite
Definite Chilled Cast Iron Rolls
Properties
The mechanical properties are improved due to the presence of chilled surface strcture and the change of pinetree-like structure. The hardness and type of matrix of roll depend on the conditions of application. The roll produced with centrifugal method basically eliminates the presence of graphite in its working layer while the core is made of nodular cast iron, increasing as a result, both the wear-resistance and breaking strength.
Spheroidal Graphite Cast Iron Rolls
Properties
Thanks to its higher content of Ni and Mo alloys, pearlite, basinite and martensite matrixes with excellent performance are produced. The graphite si spherical form, demonstraing good heat transfer property and high tensile strength. Through changing the struture into basinite of marensite matrix, chemical compostion of needly-like spherical iron of heat treatment, a dense reticular primary cementite with high wear-resistance is produced
High Chrome Cast Iron Rolls
Properties
Thanks to its high content of M7C3 type carbide in the range of 20-30% and discontinuous network distribution of carbide, the roll offers a high wear-resistance performance. The matrix consist of tempered martensitic and sorbite with finely-dispersed secondary carbides (M7C3, M23C6 and M3C types), increasing therefore the wear-resistance of roll, the Cr2O3 enriched oxide film on the roll surfaces is highly resistant to oxidization and plastic strain, making the roll extremely suitable for steel hot rolling process.
Adamite Rolls
Properties
Microstructure consist of matrix and carbide with carbon content of 1.3-2.3%,depending on content of alloy and heat treatment process.The matrix consist of Pearlite or Bainite. With the addition of Cr,Mo and Ni for higher stability of carbide, enhanced high temperature resistence and strengthened matrix.The centrifugal roll has virtually no fall off in hardness throughout the shell as well as highly wear and high temperature resistance and high load resistance etc.
High Speed Steel Rolls
Properties
The shell is a high carbon alloy steel containing Cr,Mo,W,V and Nb.The Microstructure consists of complex carbides embedded in a tempered martensitic matrix.Control of the carbon and a complex heat treatment allows the optimization of wear resistance,thermal fatigue resistance and oxide film formation,whilst maintaining low residual stress values.
Forged Steel Rolls
Properties
Forged steel rolls are treated with dual frequency heating machine and cold treatment equipment. The whole procedure is computer-controlled so as to provide rolls with a deep hardened layer, high and homogeneous hardness, superior wear ability and sufficient resistance to accident. We produce forged roll for rolling mills, specialized making kinds of steel forging and casting mill roll and back up roll.
Furnace Rolls
Properties
High chromium-nickel furnace roll is made by centrifugal casting process, intended for use under elevating temperature. We can supply our customers with more reliable and flexible solutions based on specific requirement of operation environment.Material for centrifugal barrels: 24/24NbTz, G18/8NiCr, 28Cr/48Ni/5W, 25Cr/20Ni, 24/24NiCrNb(1.4855), 25Cr/35Ni(1.4852), 38Ni/18Cr(1.4865), 2.4633, 2.4879 or at customers request.