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Roll ring

The outer layer is a high-carbon alloy steel containing Cr, Mo, W, V, Ni and Nb, and the complex carbide structure is embedded in the tissue of tempered martensite to control the carbon content and comprehensive heat treatment to optimize wear resistance and thermal fatigue resistance. The oxide film structure on the surface maintains a low residual stress value.

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  • Product Description
    • Commodity name: Roll ring

    The outer layer is a high-carbon alloy steel containing Cr, Mo, W, V, Ni and Nb, and the complex carbide structure is embedded in the tissue of tempered martensite to control the carbon content and comprehensive heat treatment to optimize wear resistance and thermal fatigue resistance. The oxide film structure on the surface maintains a low residual stress value.

    The outer layer is a high-carbon alloy steel containing Cr, Mo, W, V, Ni and Nb, and the complex carbide structure is embedded in the tissue of tempered martensite to control the carbon content and comprehensive heat treatment to optimize wear resistance and thermal fatigue resistance. The oxide film structure on the surface maintains a low residual stress value.
     
     

    Mechanical properties

    roll surface hardness

    HSD75-85

    Core hardness

    HSD35-48

    core tensile strength

    ≥ 450MPa

    C

    Si

    Mn

    Cr

    Mo

    W

    V

    Nb

    1.6/2.3

    0.3/0.9

    0.2/0.8

    3.0/6.0

    3.0/6.0

    1.0/4.0

    2.0/6.0

    1.0/3.0

    Widely used in hot rolling strip work roll F5, F6 rolling mill, high-speed wire rod mill pre-finishing rolling stand and bar mill finishing rolling stand.

     

    Key words:
    • 辊环

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