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Centrifugal Infinitely Chilled Cast Iron Rolls and Roller Rings

The outer layer has relatively high metallurgical properties. The amount of graphite in the working layer of the roll body hardly changes in the depth direction, because the hardness difference of the working layer is very small. The hardness of the roll mainly depends on the type of matrix structure, I .e. sorbite, bainite or martensite.

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  • Product Description
    • Commodity name: Centrifugal Infinitely Chilled Cast Iron Rolls and Roller Rings
    • Commodity ID: 1242871231917215744

    The outer layer has relatively high metallurgical properties. The amount of graphite in the working layer of the roll body hardly changes in the depth direction, because the hardness difference of the working layer is very small. The hardness of the roll mainly depends on the type of matrix structure, I .e. sorbite, bainite or martensite.

    The outer layer has relatively high metallurgical properties. The amount of graphite in the working layer of the roll body hardly changes in the depth direction, because the hardness difference of the working layer is very small. The hardness of the roll mainly depends on the type of matrix structure, I .e. sorbite, bainite or martensite.
     
     

    Mechanical properties

    roll surface hardness

    HSD60-85

    Core hardness

    HSD35-48

    core tensile strength

    ≥ 450MPa

    Category

    Hardness (HSD)

    C

    Si

    Mn

    Ni

    Cr

    Mo

    Infinite I

    60-70

    3.0/3.5

    0.5/1.0

    0.5/1.0

    0.5/1.0

    0.5/1.0

    0.2/0.6

    Infinite II

    62-72

    3.0/3.5

    0.5/1.0

    0.5/1.0

    1.0/2.0

    0.5/1.0

    0.2/0.6

    Unlimited III

    65-75

    3.0/3.5

    0.5/1.0

    0.5/1.0

    2.0/3.0

    0.7/1.2

    0.2/0.6

    Unlimited IV

    70-85

    3.0/3.5

    0.5/1.0

    0.5/1.0

    3.0/5.0

    1.0/2.0

    0.2/0.6

    It is used for the finishing rolling stand of continuous strip steel mill, the finishing rolling stand of continuous rolling bar, the pre-finishing rolling of high-speed wire rod, the middle rolling of small profiles and the front frame of finishing rolling. It can also be used for thin plates and straightening rolls.

     

    Key words:
    • 离心无限冷硬铸铁轧辊和辊环

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