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Fe Ni Co Alloy Ni29Co18 / UNS K94610 Kovar Expansion Alloy Strip 400mm Width

    Buy cheap Fe Ni Co Alloy  Ni29Co18 / UNS K94610  Kovar Expansion Alloy Strip 400mm Width from wholesalers
     
    Buy cheap Fe Ni Co Alloy  Ni29Co18 / UNS K94610  Kovar Expansion Alloy Strip 400mm Width from wholesalers
    • Buy cheap Fe Ni Co Alloy  Ni29Co18 / UNS K94610  Kovar Expansion Alloy Strip 400mm Width from wholesalers
    • Buy cheap Fe Ni Co Alloy  Ni29Co18 / UNS K94610  Kovar Expansion Alloy Strip 400mm Width from wholesalers
    • Buy cheap Fe Ni Co Alloy  Ni29Co18 / UNS K94610  Kovar Expansion Alloy Strip 400mm Width from wholesalers
    • Buy cheap Fe Ni Co Alloy  Ni29Co18 / UNS K94610  Kovar Expansion Alloy Strip 400mm Width from wholesalers

    Fe Ni Co Alloy Ni29Co18 / UNS K94610 Kovar Expansion Alloy Strip 400mm Width

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    Brand Name : TANKII
    Model Number : Kovar
    Certification : SGS
    Price : negotiable
    Payment Terms : L/C, T/T, Western Union
    Supply Ability : 200Tons per month
    Delivery Time : 7-20 work days
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    Fe Ni Co Alloy Ni29Co18 / UNS K94610 Kovar Expansion Alloy Strip 400mm Width

    Fe ni Co Alloy Ni29Co18/ UNS K94610 (4J29) Kovar Expansion Alloy strip


    Description

    Kovar is a nominal 29%Ni-17%Co-54%Fe alloy that is a well-known glass-sealing alloy suitable for sealing to hard glasses. Kovar has a nominal expansion coefficient of approximately 5 ppm/°C and inflection temperature of ~450 °C (840 °F).

    Kovar (ASTM F15) 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 integrated circuits, it has been used for the flat pack and the dual-in-line package.


    Chemical Composition

    GradeC%P%S%Mn%Si%Cu%Cr%Mo%Ni%Co%Fe%
    KovarMax 0.03Max 0.020Max 0.020Max 0.50Max 0.30Max 0.20Max 0.20Max 0.2028.5-29.516.8-17.8Bal.

    Specifications

    GradeUNSWerkstoff Nr.ASTM
    KovarK946101.3981F15

    Physical Properties

    GradeDensityMelting Point
    Kovar8.17 g/cm31449°C

    Mechanical Properties

    GradeTensile Strength N/mm²
    Soft1/4 Hard1/2 Hard3/4 HardFull Hard
    Kovar Strip<570520-630590-700600-770>700
    Kovar Wire<585585-725655-795725-860>860

    Coefficient of Expansion

    AlloyLinear Coefficient of Thermal Expansion ā,10-6/℃
    20-200℃20-300℃20-400℃20-450℃20-500℃20-600℃20-700℃20-800℃
    Kovar5.95.35.15.36.27.89.210.2

    Size Range

    Kovar Wire: ¢0.1mm-¢9mm
    Kovar Bar: ¢11mm-¢200mm
    Kovar Strip: 75-110mm*0.15-22mm.


    Invar 36, also known as FeNi36, is iron-nickel alloys have low coefficients of expansion over only a rather narrow range of temperature. It has a low coefficient of expansion from cryogenic temperatures to about 260℃. In the dry air at home temperature, invar 36 has good resistance to corrosion. But in moist air, it may go corrosion.

    Invar 36 is suitable for the applications who require low coefficient of expansion, such as production, storage and transportation of liquid gas, temperature regulation devices working below 200℃, aperture mask, unit frameworks working below -200℃ and so on.


    Chemical Composition

    GradeC%Si%P%S%Mn%Ni%Fe%
    Invar 36Max 0.05Max 0.30Max 0.020Max 0.0200.20-0.6035.0-37.0Bal.

    Specifications

    GradeUNSWerkstoff Nr.Strip/Sheet
    Invar 36K936001.3912ASTM B388/B753

    Physical Properties

    GradeDensityMelting Point
    Invar 368.1 g/cm31430°C

    Coefficient of Expansion

    Alloy

    Linear Coefficient of Thermal Expansion ā,10-6/℃

    20-50℃20-100℃20-200℃20-300℃20-400℃20-500℃
    Invar 360.60.82.05.18.010.0

    Size Range

    Invar 36 wire, bar, rod, strip, forging, plate, sheet, tube, fastener and other standard forms are available.


    Product Tags:

    fecral wire

      

    high temperature wire

      
    Quality Fe Ni Co Alloy  Ni29Co18 / UNS K94610  Kovar Expansion Alloy Strip 400mm Width for sale
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