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4.5MM Stainless Steel Balls 440C Bearing Balls For Nail Polished G10 7/64" 2.778 MM

    Buy cheap 4.5MM Stainless Steel Balls 440C Bearing Balls For Nail Polished G10 7/64
     
    Buy cheap 4.5MM Stainless Steel Balls 440C Bearing Balls For Nail Polished G10 7/64
    • Buy cheap 4.5MM Stainless Steel Balls 440C Bearing Balls For Nail Polished G10 7/64
    • Buy cheap 4.5MM Stainless Steel Balls 440C Bearing Balls For Nail Polished G10 7/64
    • Buy cheap 4.5MM Stainless Steel Balls 440C Bearing Balls For Nail Polished G10 7/64
    • Buy cheap 4.5MM Stainless Steel Balls 440C Bearing Balls For Nail Polished G10 7/64

    4.5MM Stainless Steel Balls 440C Bearing Balls For Nail Polished G10 7/64" 2.778 MM

    Ask Lasest Price
    Brand Name : JN
    Model Number : 7/64" 2.778 MM 4.5MM
    Certification : SGS ISO
    Price : Negotiable
    Payment Terms : T/T, Western Union, MoneyGram,Paypal, L/C, D/A, D/P
    Supply Ability : 10 Tons per Month
    Delivery Time : 7-15 days
    • Product Details
    • Company Profile

    4.5MM Stainless Steel Balls 440C Bearing Balls For Nail Polished G10 7/64" 2.778 MM

    4.5MM Stainless Steel 440C Bearing Balls For Nail Polished G10 7/64" 2.778 MM


    440 Stainless Steel balls are a martenistic-type stainless steel which is used


    extensively in steel ball bearing applications that require hardness, dimensional stability,


    corrosion resistance and toughness. 440 Stainless Steel is also used for corrosion-resistant ball


    and check valves. 440 ball are resistant to corrosion from fresh water, steam, crude oil, gasoline,


    perspiration, alcohol, blood and food stuffs. Maximum resistance to corrosion and


    tarnishing is only achieved when 440 is fully hardened and surfaces are polished to a high luster.


    440 is also magnetic.


    Chemical Composition


    %C
    %Si
    %Mn
    %P
    %S
    %Cr
    %Mo
    0.95-1.20
    1.00 max
    1.00 max
    0.040 max
    0.030 max
    16.00-18.00
    0.75 max

    Applications
    Precision bearings, anti-friction bearings, special valves, conveyor belts and rollers, ballpoint pens. They are used in foodstuff, medical instruments, quick couplings, recirculating ball bearings, knotting devices, oil refinery devices.
    International standards
    ITA
    USA
    GER
    FRA
    UK
    RUS
    CHN
    JAP
    X 105CrMo17
    440C
    1.4125
    Z100CD17
    -
    95X18
    9Cr18Mo
    SUS440C

    Physical / mechanical / thermal / electric / magnetic properties
    Property
    Symbol
    U.o.M.
    Type
    Notes
    Values
    Density
    δ
    [g/cm3]
    Physical
    Room temp.
    7.70
    Young's modulus
    E
    [GPa]
    Mechanical
    -
    210
    Specific heat
    c
    [J/kg-K]
    Thermal
    Room temp.
    450
    Coefficient of linear thermal expansion
    α
    [10^-6/ºC]
    Thermal
    (ΔT=0-100°C)
    10.2
    Thermal conductivity
    λ
    [W/(m·K)]
    Thermal
    Room temp.
    19.6
    Electric resistivity
    ρ
    [Ω*m*10^-9]
    Electric
    -
    680
    Relative magnetic permeability
    µ
    -
    Magnetic
    Not hardened
    > 700
    Technical data
    Property
    Type
    U.o.M.
    Values
    U.o.M.
    Values
    Hardness
    Mechanical
    [HRC]
    57 - 65
    -
    -
    Ultimate tensile strength
    Mechanical
    [MPa]
    1900 - 2000
    [psix10^3]
    275 - 290
    Service temperature
    Thermal
    [ºC]
    0 / 400
    [ºF]
    32 - 752

    Corrosion Resistance
    The material resists to corrosion in contact with freshwater, steam, oil, petrol, alcohol. They are subjected to pitting corrosion in sea water environments. Poor corrosion resistance in acid environments.

    Range
    Diameters (min/max)
    U.o.M.
    Diameters (min/max)
    U.o.M.
    Precision grades (ISO 3290-1 / DIN 5401 / AFBMA)
    0.300 - 300.000
    [mm]
    1/64 - 12
    ["]
    See section International Standards: ISO 3290-1 / DIN 5401 / AFBMA


    Product Tags:

    round steel balls

      

    solid metal ball

      
    Quality 4.5MM Stainless Steel Balls 440C Bearing Balls For Nail Polished G10 7/64" 2.778 MM for sale

    4.5MM Stainless Steel Balls 440C Bearing Balls For Nail Polished G10 7/64" 2.778 MM

    Company Info.
    Shandong JinNai International Trade Co., Ltd.
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