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FeNiCo Controlled Expansion Alloys 4J29 For Vacuum Electronic Devices Glass Sealing

    Buy cheap FeNiCo Controlled Expansion Alloys 4J29 For Vacuum Electronic Devices Glass Sealing from wholesalers
     
    Buy cheap FeNiCo Controlled Expansion Alloys 4J29 For Vacuum Electronic Devices Glass Sealing from wholesalers
    • Buy cheap FeNiCo Controlled Expansion Alloys 4J29 For Vacuum Electronic Devices Glass Sealing from wholesalers
    • Buy cheap FeNiCo Controlled Expansion Alloys 4J29 For Vacuum Electronic Devices Glass Sealing from wholesalers

    FeNiCo Controlled Expansion Alloys 4J29 For Vacuum Electronic Devices Glass Sealing

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    Brand Name : XUNSHI
    Model Number : 4J29
    Certification : ISO9001
    Price : Negotiable
    Payment Terms : T/T
    Supply Ability : 5000kg per week
    Delivery Time : 30-35 days
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    FeNiCo Controlled Expansion Alloys 4J29 For Vacuum Electronic Devices Glass Sealing

    FeNiCo Controlled Expansion Alloys 4J29 For Vacuum Electronic Devices Glass Sealing


    4J29 is an equal grade of Kovar controlled expansion alloy in China. It has a high Curie point and good low temperature tissue stability


    Chemical compistion of 4J29

    ElementCMnSiPSCuCrMoNiCoFe
    Weight(%)0.03 max0.5 max0.30 max0.020 max0.020 max0.20 max0.20 max0.20 max28.5~29.516.8~17.8Bal

    Features

    • High Curie point
    • Good low-temperature stability
    • Tense oxide film, and can be well wetted by the glass
    • No reaction with mercury
    • Good corrosion resistance in air, fresh water and sea water

    Applications
    Kovar is widely used in applications such as power tubes, microwave tubes, transistors, diodes, hybrid packages, and other kinds of scientific instruments.

    • Sealing alloys for hard glasses
    • Transmitting tube
    • Oscillation tube
    • Ignitron
    • Transistor
    • Relay shell


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