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Carbon Steel Ball

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Products Description forged steel grinding balls mill parts The field of applications for the Cast Chrome Alloy Grinding Steel Balls, in short Cast Steel Balls, can be found in Cement Plants, Mines, Power stations, Chemical Industries, Grinding Mill, Ball mill and Coal mill. We have available 4 maintypes of these balls: Low chrome, medium chrome, high chrome and higher chrome. Sizes are in the range 10mm – 150mm. Features: 1. forged steel grinding ball has high hardness: surface hardne...


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  • Product Detail

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    Products Description

    forged steel grinding balls mill parts

    The field of applications for the Cast Chrome Alloy Grinding Steel Balls, in short Cast Steel Balls, can be found in Cement
    Plants, Mines, Power stations, Chemical Industries, Grinding Mill, Ball mill and Coal mill.

    We have available 4 maintypes of these balls: Low chrome, medium chrome, high chrome and higher chrome. Sizes are in the range 10mm – 150mm.
    Features:
    1. forged steel grinding ball has high hardness: surface hardness to 58-65HRC, volume hardness of 57-64HRC
    2. impact toughness high: impact toughness more than 12J / cm2.
    3. broken rate is low: the actual broken rate is not higher than 0.5%.
    4. loss of forged grinding ball round rate is low.
    5. dropping test in 8m high tester for more than 20,000 times.
    1 (2)
    Specification
    Main specifications for Cast Chrome Alloy Grinding Steel Balls:
    Parameters
    Low Chrome
    Medium Chrome
    High Chrome
    Higher Chrome
    Cr %
    0.8 – 3.5
    4 – 9
    10 – 18
    22 – 25
    C %
    2.2 – 3.5
    2 – 3.3
    1.6 – 3.3
    2.0 – 3.3
    Si %
    1.2 max
    1.2 max
    1.0 max
    1.0 max
    Mn %
    1.5 max
    1.8 max
    2.5 max
    2.5 max
    Mo %
    1.0 max
    1.5 max
    1.0 max
    2.0 max
    Cu %
    0.5 max
    1.0 max
    1.5 max
    1.5 max
    P %
    0.15 max
    0.15 max
    0.10 max
    0.10 max
    S %
    0.15 max
    0.15 max
    0.10 max
    0.10 max
    Metallographic structure
    Carbide + Pearlite
    Carbide + Pearlite
    Carbide + Martensite
    Carbide + Martensite
    Hardness (HRC)
    45 or above
    50 or above
    58 or above
    60 or above
    Times of falling ball
    8000 or above
    12000 or above
    15000 or above
    22000 or above
    Available ball diameters:
    Nominal Diameter in mm
    Weight in kg per ball in average
    Number of Balls per ton in average
    10
    0.135
    74073
    12
    0.0181
    55248
    15
    0.0242
    41322
    20
    0.0322
    31056
    25
    0.063
    15873
    30
    0.11
    9091
    40
    0.257
    3891
    50
    0.5
    2000
    60
    0.867
    1153
    70
    1.37
    729
    80
    2.05
    487
    90
    2.90
    345
    100
    4.00
    250
    110
    5.30
    188
    120
    6.80
    147
    125
    7.75
    129
    130
    8.74
    114

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