Kovar Suppliers of Custom Sizes

Kovar Custom Sizes

Interested in Kovar Custom Sizes?

X

Request a Quote

  • Drop files here or
    Max. file size: 32 MB.
      *Hold ctrl to select multiple files.
    • This field is for validation purposes and should be left unchanged.

    Eagle Alloys Corporation (EAC) is a leading global supplier of nickel iron controlled expansion alloys including ASTM F 15 Alloy (Kovar®). A wide variety of Kovar® sizes are available from stock with immediate shipping and custom sizes can be quickly produced.

    Cold Finished Bars – .250″ to 1.00″ Diameter
    Hot Forged Bar – 3/4″ and up
    Forged Blocks – Up to 200 lbs. and 36″ Long Max
    Hot Rolled Flats – 15″ Wide Max and 0.125″ Minimum Thickness
    Coil/Foil – 0.004” Thk up to 0.082” Thk
    Sheet/Plate – 0.015” Thk up to 2” Thk
    Wire – 0.004”Dia

    Please contact our courteous sales team to assist you. Please view or print our Kovar stock list for our complete stock sizes and capabilities.  Eagle Alloys Corporation is an ISO Certified Corporation and have been supply the highest quality ASTM F 15 Alloy for over 35 years.

    Kovar® is typically supplied to meet the requirements of UNS-K-94610, ASTM-F-15, AMS/MIL-I-23011.  Other specifications upon request. Our ASTM F15 alloy (Kovar ®) is in conformance with Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 and are DFARS Compliant.  Eagle Alloys Corporation is an ISO Certified Corporation and have been supply the highest quality Kovar® for over 35 years.

    Kovar® is an alloy made up of 29% nickel, 17% cobalt, .2% silicon, .3% manganese and 53.5% iron. Kovar® is known for its low coefficient of thermal expansion. Kovar®  is suitable for uses which require a matched expansion seal between metal and glass parts.  Kovar® end uses are usually glass sealing in the electronics industry.  Typical applications for Kovar® are glass-to-metal seals, lead frames, electronic package base, lids, power tubes, transistors, diodes, microwave tubes, hybrid packages, x-ray tubes, vacuum tubes, and lightbulbs.

    Eagle Alloys also supplies additional low expansion, controlled expansion, and glass-to-metal or ceramic sealing alloys including Invar®, Alloy 42, Alloy 46 Alloy, 47/50, 48, 49, and Alloy 52. EAC can supply soft magnetic Alloy 50, Hiperco 50 & 50A, and Vim Var Core Iron.

    Kovar is a registered trademark of CRS Holdings, Inc., a subsidiary of Carpenter Technology Corp.

    Eagle Alloys Kovar Custom Sizes Capabilities

    Form
    Min Size
    Max Size
    Foil / Strip / Sheet / Plate
    0.015" Thk
    up to 2" Thk
    Rod / Bar / Forged Bar
    0.040" Dia
    up to 12" Dia
    Wire / Coil
    0.004" Thk
    up to 0.070" Thk
    *Custom sizes upon request

    Kovar Custom Sizes Stock Sizes Same Day Shipping (subject to prior sale)

    Wire/Coil
    • 0.004" Thk
    • 0.0045" Thk
    • 0.005" Thk
    • 0.006" Thk
    • 0.007" Thk
    • 0.008" Thk
    • 0.0098" Thk
    • 0.010" Thk
    • 0.012" Thk
    • 0.0142" Thk
    • 0.0145" Thk
    • 0.015" Thk
    • 0.020" Thk
    • 0.025" Thk
    • 0.030" Thk
    • 0.035" Thk
    • 0.040" Thk
    • 0.043" Thk
    • 0.045" Thk
    • 0.050" Thk
    • 0.060" Thk
    • 0.062" Thk
    • 0.064" Thk
    • 0.070" Thk
    • 0.082" Thk
    Foil/Strip/Sheet/Plate
    • 0.015" Thk x 12 & 24"w x 72"lg
    • 0.020" Thk x 12 & 24"w x 72"lg
    • 0.025" Thk x 12 & 24"w x 72"lg
    • 0.030" Thk x 12 & 24"w x 72"lg
    • 0.035" Thk x 12 & 24"w x 72"lg
    • 0.040" Thk x 12 & 24"w x 72"lg
    • 0.050" Thk x 12 & 24"w x 72"lg
    • 0.060" Thk x 12 & 24"w x 72"lg
    • 0.062" Thk x 12 & 24"w x 72"lg
    • 0.072" Thk x 12 & 24"w x 72"lg
    • 0.075" Thk x 12 & 24"w x 72"lg
    • 0.080" Thk x 12 & 24"w x 72"lg
    • 0.090" Thk x 12"w x 72"lg
    • 0.100" Thk x 12"w x 72"lg
    • 0.125" Thk x 12"w x 72"lg
    • 0.187" Thk x 15"w x 72"lg
    • 0.250" Thk x 15"w x 72"lg
    • 0.281" Thk x 15"w x 72"lg
    • 0.312" Thk x 15"w x 72"lg
    • 0.375" Thk x 15"w x 72"lg
    • 0.437" Thk x 15"w x 72"lg
    • 0.515" Thk x 15"w x 72"lg
    • 0.625" Thk x 15"w x 72"lg
    • 0.750" Thk x 15"w x 72"lg
    • 0.875" Thk x 15"w x 72"lg
    • 1" Thk x 15"w x 72"lg
    • 1.500" Thk x 15"w x 72"lg
    • 2" Thk x 15"w x 72"lg
    • ***Other sizes upon request
    • ***Best way to buy: Advise our sales team of your blank size and number of pcs. needed. You do not need to buy full sheets or plates.
    Rod/Bar
    • 0.040" Dia
    • 0.050" Dia
    • 0.060" Dia
    • 0.062" Dia
    • 0.100" Dia
    • 0.125" Dia
    • 0.156" Dia
    • 0.178" Dia
    • 0.187" Dia
    • 0.200" Dia
    • 0.250" Dia
    • 0.312" Dia
    • 0.375" Dia
    • 0.437" Dia
    • 0.500" Dia
    • 0.562" Dia
    • 0.625" Dia
    • 0.750" Dia
    • 0.875" Dia
    • 1" Dia
    • 1.125" Dia
    • 1.250" Dia
    • 1.375" Dia
    • 1.500" Dia
    • 1.625" Dia
    • 1.750" Dia
    • 2" Dia
    • 2.125" Dia
    • 2.500" Dia
    • 3" Dia
    • 3.500" Dia
    • 6" Dia
    • Larger sizes made to order up to 12" Dia. Quick lead times and no minimum order quantity.

    Common Industry Applications

    STATEMENT OF LIABILITY - DISCLAIMER Any suggestion of product applications or results is given without representation or warranty, either expressed or implied. Without exception or limitation, there are no warranties of merchantability or of fitness for particular purpose or application. The user must fully evaluate every process and application in all aspects, including suitability, compliance with applicable law and non-infringement of the rights of others Eagle Alloys Corporation and its affiliates shall have no liability in respect thereof.

    X

    Contact Eagle Alloys

    Toll Free: 800.237.9012
    Local: 423.586.8738
    Fax: 423.586.7456

    Email: sales@eaglealloys.com

    Company Headquarters:
    178 West Park Court
    Talbott, TN 37877

    Or fill out the form below:
    • Drop files here or
      Max. file size: 32 MB.
        *Hold ctrl to select multiple files.
      • This field is for validation purposes and should be left unchanged.