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3j21 Wire Super Elastic Alloy Wire For Spring Precision Wire Support Customized Service

Huona (Shanghai) New Material Co., Ltd.
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    Buy cheap 3j21 Wire Super Elastic Alloy Wire For Spring Precision Wire Support Customized Service from wholesalers
     
    Buy cheap 3j21 Wire Super Elastic Alloy Wire For Spring Precision Wire Support Customized Service from wholesalers
    • Buy cheap 3j21 Wire Super Elastic Alloy Wire For Spring Precision Wire Support Customized Service from wholesalers

    3j21 Wire Super Elastic Alloy Wire For Spring Precision Wire Support Customized Service

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    Brand Name : HUONA
    Model Number : 3j21
    Certification : ISO9001
    Price : Negotiate
    Payment Terms : T/T
    Supply Ability : 2000 Tons/ year
    Delivery Time : Normally 7-10 days if in stock
    MOQ : 3KG
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    3j21 Wire Super Elastic Alloy Wire For Spring Precision Wire Support Customized Service

    3j21 Wire Super Elastic Alloy Wire For Spring Precision Wire Support Customized Service
    3J21 wire is made of 3J21 alloy, which is a cobalt - based precipitation - hardening high - elastic alloy. It is widely used in aerospace, precision instruments, medical devices and other fields due to its excellent performance.

    Chemical Composition

    According to ASTM F1058 standard, the chemical composition of 3J21 is as follows:


    ElementContent (%)
    Co39 - 41
    Cr19 - 21
    Ni14 - 16
    Mo6.5 - 7.5
    Mn1.7 - 2.3
    C0.07 - 0.12
    Be0.01
    FeBal.
    Si0.6
    P≤0.015
    S≤0.015

    Physical Properties

    The physical properties of 3J21 wire are shown in the following table:


    PropertyValue
    Density (g/cm³)8.4
    Resistivity (μΩ·m)0.92
    Elastic Modulus (E/MPa)196000 - 215500
    Shear Modulus (G/MPa)73500 - 83500
    Magnetic Susceptibility (K/10⁶)50 - 1000
    Melting Point (℃)1372 - 1405



    Product Features

    • High Elasticity
    • Excellent Fatigue Resistance
    • Good Corrosion Resistance
    • Non - magnetic
    • High - temperature Resistance

    Application Fields

    • Aerospace: Used for key springs of engines, diaphragms, precision fasteners, sensor elements, etc.
    • High - end Instruments and Meters: Applicable to tension wires, hairsprings, diaphragms, bellows, precision springs, etc.
    • Medical Devices: Used for elastic components of surgical instruments and components of implanted devices.
    • Precision Machinery and Electronics: Suitable for relay contact springs, connectors, support parts of optical devices, etc.
    • Energy and Petrochemical: Used for special valve springs and elastic parts of down - hole tools.

    Product Specifications

    The diameter of 3J21 wire usually ranges from 0.05mm to 6.0mm.
    Different diameter specifications are suitable for making different components,
    such as small - scale precision springs and sensor elements.
    Picture

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    Quality 3j21 Wire Super Elastic Alloy Wire For Spring Precision Wire Support Customized Service for sale
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