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Carbide ball


  • Cemented carbide possesses high hardness, high rigidity, high strength, high temperature resistance, corrosion resistance, anti-oxidation and other good properties. It is widely used in modern tool materials, wear resistant materials, high temperature resistant materials, anti-corrosion materials and other aspects. The cemented carbide ball is mainly used as valve in petrochemical, the special bearing ball, the bearing ball of probe of testing instrument, electric tools, and bearing ball for mould.

    Carbide ball commonly used material grades and physical mechanical properties

    Grade Chemicalconstituents Density
    g/cm3
    Hardness
    HRA
    Porosity Non-combinedcarbon
    WC Co(Ni)
    YG6 94 6 14.6~15 ≥89.5 A02B02 CO2
    YG6X 94 6 14.6~15 ≥91 A02B02 CO2
    YG8 92 8 14.5~14.9 ≥89 A02B02 CO2
    YN9 91 (9) 14.6~15.2 ≥89 A02B02 CO2

    Note: the cemented carbide bearing ball which is made of special material grade can be manufactured after negotiating.

    Carbide ball specifications

    Thenominal diameter of bearing ball Thenominal diameter of bearing ball Thenominal diameter of bearing ball
    mm in mm in mm in
    0.5   5   11.113 7/16
    0.6   5.159 13/64 12  
    0.794 1/32 5.5   12.303 31/64
    0.8   5.953 15/64 12.7 1/2
    1   6   13.494 17/32
    1.588 1/16 6.35 1/4 14.288 9/16
    2   6.5   15  
    2.381 3/32 6.747 17/64 16  
    2.5   7   16.669 21/32
    2.778 7/64 7.144 9/32 18.256 23/32
    3   7.5   19.844 25/32
    3.175 1/8 7.938 5/16 20.638 13/16
    3.5   8   22.225 7/8
    3.969 5/32 8.5   28.575 11/8
    4   9   30.162 13/16
    4.5   9.525 3/8    
    4.763 3/16 10      

    Note:  The special specification can be manufactured after negotiating

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