Alloy 48 Controlled Expansion Alloy, also know as Pernifer 48, NILO 48, Glass-Seal 48, is a Nickel Iron alloy with 48% Nickel, and the remaining balance Iron. Alloy 48 is used in a wide variety of electronic applications.
Alloy 48 controlled expansion alloy is especially useful in glass to metal and ceramic sealing applications that require direct mechanical connections over a range of temperatures in conductors entering glass envelopes of electronic parts, such as electronic tubes, and specialty hermetic devices.
If you need Alloy 48 or other special purpose alloys for high technology applications, call Ed Fagan Inc. EFI can supply Alloy 48 in a variety of forms 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 expansion alloys, in a variety of forms and conditions including Invar (also know as Invar 36, NILO 36, Pernifer 36, Invar Steel), Kovar (also know as ASTM F-15, NILO K, Pernifer 2918, Rodar, and Dilvar P1), Alloy 42 (also know as Pernifer 42, NILO 42, Glass-Seal 42), Alloy 42-6 (also known as Glass-Seal 42-6), Alloy 46 (also know as Pernifer 46, NILO 46, Glass-Seal 46), and Alloy 52 (also know as Pernifer 50, NILO 50, Glass-Seal 52).