Kovar Iron Nickel Alloy Coil and Strip

Available from Ed Fagan Inc.
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Kovar, also know as ASTM F-15, NILO K, Pernifer 2918, Rodar, and Dilvar P1, is a Nickel Iron controlled expansion alloy with 29% Nickel, 17% Cobalt and the remaining balance Iron. Kovar expansion characteristics match both borosilicate (or Pyrex) glasses and alumina ceramics making it one of the most popular of the controlled expansion alloys for hermetic sealing applications.

Ed Fagan Inc.stocks Kovar Coil and Strip in thicknesses of .001", .0016", .002", .003", .0035", .004", .006", .0068", .007",.009" ,.0092",.0095", .012", .013", .0135", .0165", .017", .0175", .018", .020", .0205", .025", .030", .031", .035", .040", .0405", .041", .0415", .045", .050", .058", .060", .062", .065", .070", .080", .083", and .125" as standard sizes, and EFI can slit coil to your exact requirements for just-in-time delivery. All standard in-stock Kovar Coil and Strip items can be shipped within 24 hours - and are often shipped the same day - and all materials can be certified with shipment.

If you need other forms of Kovar, EFI also stocks Kovar in Sheet, Rod, Bar, and Plate.

EFI stocks a wide range of controlled expansion alloys, in a variety of forms and conditions including Invar, Alloy 42, Alloy 42-6, Alloy 46, Alloy 48, and Alloy 52.

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