Alloy 42 Controlled Expansion Alloy, also know as Pernifer 42, NILO 42, Glass-Seal 42, is a Nickel Iron controlled expansion alloy with 42% Nickel, and the remaining balance Iron. Alloy 42 is used in a wide variety of electronic applications, lead frames, especially for glass and ceramic seals.
Alloy 42 is especially useful in glass to metal sealing that require direct mechanical connections over a range of temperatures in conductors entering glass envelopes of electronic parts, such as electronic tubes, automotive and industrial lamps, and specialty hermetic packages.
If you need Alloy 42 or other special purpose alloys for high technology applications, call Ed Fagan Inc. Ed Fagan Inc. stocks Alloy 42 in Rod, Sheet, Plate and Coil/Strip in a variety of sizes and conditions. And can cut, slit or centerless grind these to your specifications, and EFI has tremendous versatility when it comes to custom sizes, packages, and unusual materials.
EFI stocks a wide range of controlled an low expansion alloys, in a variety of forms and conditions including Kovar (also know as ASTM F-15, NILO K, Pernifer 2918, Rodar, and Dilvar P1), Invar (also know as Invar 36, NILO 36, Pernifer 36, and Invar Steel), Super Invar, Alloy 52 (also know as Pernifer 50, NILO 50, and Glass Seal 50), Alloy 48 (also know as Pernifer 48, NILO 48, and Glass Seal 48), Alloy 46 (also know as Pernifer 46, NILO 46, and Glass Seal 46) and Alloy 42-6 (also known as Glass-Seal 42-6).
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