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W-Cu Contacts for Vacuum Application

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Product Detail

    W-Cu Contacts for vacuum application

    CuW contact materials have low chopping value,high anti-arc ablation and excellent breaking performance.The materials are widely used in low and medium voltage vacuum contactor and vacuum load switch.We have built a vacuum infiltration production line for such contact materials,which has annual capacity of 1 million pieces.

    Product Details:

    1.The chemical composition and properties:


    Material

    Chemical Compositions (wt%)

     Mechanical Properties

    Cu

    WC/(Cr)

    Oxygen

    Nitrogen

    Hardness

    HB(Mpa)

    Density

    (g/cm3)

    Electrical Conductivity

    (Ms/m)

    CuW-WC

    28±2

    25±2

    <0.0060

    <0.0020

    =196

    =13.5

    =20

    CuCrW

    50±2

    27-32

    <0.0080

    <0.0050

    =100

    =9.1

    =18

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    2.CuW contact materials can be produced with different sizes  at client’request.


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Shaanxi Sirui Advanced Materials Co.,Ltd

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