The Materials You Need When You Need Them
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Controlled Expansion Alloys
Invar (aka Invar 36, NILO 36, Invar Steel & Pernifer 36), Super Invar, Kovar (aka ASTM F-15, NILO K, Pernifer 2918, Rodar, and Dilvar P1), 42 Alloy (aka Pernifer 42, NILO 42, & Glass-Seal 42), 46 Alloy (aka Pernifer 46, NILO 46, & Glass-Seal 46), 48 Alloy (aka Pernifer 48, NILO 48, & Glass-Seal 48), 52 Alloy (aka Pernifer 50, NILO 50, Glass-Seal 52
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Electrical/Electronic Nickel
Nickel Grades 200, 201, 205, 233, & 270
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Soft Magnetic Alloys
Alloy 50 (aka Magnifer 50, Carpenter High Permeability 49, & Alloy 4750), Alloy 79 (aka Magnifer 7904, Carpenter HyMu 80, Hipernom, Moly-Permalloy, & Permalloy 80) VIM VAR Core Iron, Hiperco 50, & Radiometal 4550
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Refractory Metals and Alloys
Molybdenum, TZM Molybdenum, Tungsten, Tungsten Alloy, Tantalum, Niobium (aka Columbium), & Rhenium
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Hard to Find
Use our Material Locator service for hard to find materials for the Aerospace/Aviation, Defense, Electronics, Magnetic, Medical, Lighting, Optical, Telecommunications, Ceramics, Heat Treating, and other high-technology industries.
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Technical Information

We offer several types of technical information to our customers including many tables and charts with the chemical, mechanical, and physical properties of our alloys, as well as links to articles and other websites with additional information about our materials.

Refractory Metals and Alloys

Physical/Mechanical Properties
Refractory Metals & Alloys Chart
Molybdenum Machining Guide
Tungsten Machining Guide
Tungsten Heavy Alloy Physical Properties
Useful Refractory Metals and Alloys Information

For more information please contact our experts by emailing Ask the Experts. Or, if you prefer, please call our knowledgeable sales staff at (800) 335-6827. They will assist you in every way they can.

ED FAGAN INC. supplies the highest quality special purpose metals and alloys for Aerospace/Aviation, Defense, Electronics, Magnetic, Medical, Lighting, Optical, Telecommunications, Ceramics, Heat Treating, and other high-technology industries.