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ASTM F15 Nickel Based Alloys UNS K94610 Kovar 4J29 Bars With High Thermal Expansion

    Buy cheap ASTM F15 Nickel Based Alloys UNS K94610 Kovar 4J29 Bars With High Thermal Expansion from wholesalers
     
    Buy cheap ASTM F15 Nickel Based Alloys UNS K94610 Kovar 4J29 Bars With High Thermal Expansion from wholesalers
    • Buy cheap ASTM F15 Nickel Based Alloys UNS K94610 Kovar 4J29 Bars With High Thermal Expansion from wholesalers
    • Buy cheap ASTM F15 Nickel Based Alloys UNS K94610 Kovar 4J29 Bars With High Thermal Expansion from wholesalers
    • Buy cheap ASTM F15 Nickel Based Alloys UNS K94610 Kovar 4J29 Bars With High Thermal Expansion from wholesalers
    • Buy cheap ASTM F15 Nickel Based Alloys UNS K94610 Kovar 4J29 Bars With High Thermal Expansion from wholesalers

    ASTM F15 Nickel Based Alloys UNS K94610 Kovar 4J29 Bars With High Thermal Expansion

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    Brand Name : JINXING
    Model Number : K94610 - Kovar 4J29 Bars
    Certification : ISO 9001
    Price : Negotiable
    Payment Terms : T/T, D/P, L/C, D/A, Western Union, MoneyGram
    Supply Ability : 2000 kg per month
    Delivery Time : 15-20 days
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    ASTM F15 Nickel Based Alloys UNS K94610 Kovar 4J29 Bars With High Thermal Expansion

    ASTM F15 UNS K94610 Kovar 4J29 Bars With High Thermal Expansion

    Kovar 4J29 Bars is also known as Kovar alloy. The alloy has a linear expansion coefficient similar to that of borosilicate hard glass at 20 ~ 450℃, a higher Curie point, and a good low temperature microstructure stability. The oxide film of the alloy is dense and can be well infiltrated by glass. And does not interact with mercury, suitable for use in mercury discharge instrument. It is the main sealing structure material of electric vacuum device.


    Chemical Composition of Kovar 4J29 Bars

    Chemical Compositions
    ElementContent
    NICKEL (Ni)29
    COBALT (Co)17
    MANGANESE(Mn)0.5
    SILICON (SI)0.2
    SULFUR (S)0.025
    CHROMIUM(Cr)0.2
    COPPER (Cu)0.2
    MOLYBDENUM (Mo)0.2
    ZIRCONIUM (Zr)0.1
    PHOSPHORUS (P)0.025
    CARBON (C)0.06
    IRONBALANCE

    Product specifications of Kovar 4J29 Bars

    • Density: 0.302 lbs./in3
    • Specific Gravity: 8.36 g/cc
    • Curie Temperature: 435o C / 815o F
    • Melting Point: 1450o C / 2640o F
    • Specific Heat: 0.105 cal/gm/ o C at 0o C & 0.155 cal/gm/ o C at 430o C
    • Thermal Conductivity: 17.3 W/m ⋅ K
    • Electrical Resistivity: 49 microhm/cm

    Kovar 4J29 Bars Picture:

    Application of Kovar 4J29 Bars

    Kovar alloy has been used for making hermetic seals with the harder Pyrex glasses and ceramic materials. This alloy has found wide application in power tubes, microwave tubes, transistors and diodes. In intergrated circuits, it has been used for the flat pack and the dual-in-line package.

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