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Stainless Steel balls,made of AISI 440C,G10 for precision stainless bearings

Categories stainless steel balls
Brand Name: HRT QR
Model Number: AISI440C
Certification: TS16949,RoHS
Place of Origin: China
MOQ: 10000pcs
Price: 0.01USD/1PCS
Supply Ability: 60million pcs per month
Packaging Details: 4 cartons/ wooden box
Delivery Time: 3-5 days
Payment Terms: TT
Material: AISI440C/SUS440C
Color: Cr coloer
Hardness: 58-63HRC
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    Stainless Steel balls,made of AISI 440C,G10 for precision stainless bearings

    Stainless Steel AISI 440C

    General Information

    These balls give maximum hardness with good corrosion resistance to fresh water, steam, crude oil, gasoline, alcohol, food environment, blood and perspiration. In addition this material is ferro-magnetic and makes a fair permannt magnet. Balls are deep freeze stabilized after heat treatment.

    International Equivalents

    AISI 440C, DINX105 CR Mo17, JIS SUS 440C, Z100CD17 Wks 1.4125

    Size Range

    0.5mm to 50.8mm

    Grade Available



    HRC 58-62


    Good wear-resisting property and corrosion resistance, with higher hardness than AISI420.


    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.

    Material Composition

    C 0.95-1.20%

    Cr 16-18%

    Si 1.0% Max

    Mn 1.0% Max

    P 0.04% Max

    S 0.03% Max

    Mo 0.75% Max

    Mechanical Properties

    Tensile Strength- 285,000psi

    Yield Strength- 275,000psi

    Density- 7.67g/cc

    MaterialCHEMIACAL COMPOSITION%DescriptionFeatures
    AISI440/440C SUS440/440CAISI(SUS)440C
    C 0.95-1.20
    Si 1.00MAX
    Mn 1.00MAX
    P 0.04MAX
    S 0.02MAX
    Cr 16.00-18.00
    Mo 0.40-0.80
    AISI 440C balls are a martenistic-type stainless steel, which is used extensively in bearing applications that require corrosion-resisting properties.440C balls are resistant to corrosion from fresh water, steam, crude oil, gasoline, perspiration, alcohol, blood and foodstuffs. Maximum resistance to corrosion and tarnishing is only achieved when 440C is fully hardened and surfaces are polished to a high luster.HRT provides 440C balls in vacuum melt condition upon request.1.Made of material in AISI(SUS) 440/440C.
    2.Size: 2.0mm-25.4mm.
    3.Grade: G10, G25, G100, G500.
    4.Hardness: HRC58-65.
    5.Grade Standard Comply with AFMBA.10 or DIN 5401.
    6.Certificate: ISO-9001, ISO-14001, TS-16949.
    7.Application: It's suitable for special environment and machine as like hydraulic parts, grinding machine and so on, it has better rust resistence and hardness than AISI420.
    Sizes are available in millimeters, inches and fractions.

    Quality Stainless Steel balls,made of AISI 440C,G10 for precision stainless bearings for sale
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