Ed Fagan, Inc. Datasheets for Ferrous Metals and Iron Alloys

Ferrous metals and alloys are iron-based materials that are used in a wide variety of industrial applications.
Ferrous Metals and Iron Alloys: Learn more

Product Name Notes
Controlled Expansion Alloy for Glass Seals -- Alloy 42-6 A controlled expansion alloy, consisting of 42% Nickel, 6% Chromium, balance Iron; used in a wide variety of electronic applications, especially for glass seals.
Controlled Expansion/Glass Coil/Strip -- Alloy 42
Controlled Expansion/Glass Seal Sheet/Plate -- Alloy 42
Controlled Expansion/Glass Sealing Rod -- Alloy 42
A controlled expansion alloy, consisting of 42% Nickel, balance Iron; used in a wide variety of electronic application, lead frames, especially for glass and ceramic seals.
Controlled Expansion Strip/Coil -- Alloy 46 A controlled expansion alloy, consisting of 46% Nickel, balance Iron; used in a variety of electronic applications, especially for glass and ceramic seals.
Controlled Expansion/Glass Coil/Strip -- Alloy 48 A controlled expansion alloy, consisting of 48% Nickel, balance Iron; used in a variety of electronic application, especially for glass and ceramic seals.
Annealed Coil/Strip -- efi Alloy 79
Annealed Sheet -- efi Alloy 79
Magnetic Bar Stock -- efi Alloy 79
Square Magnetic Bar Stock -- efi Alloy 79
Un-Annealed Coil/Strip -- efi Alloy 79
A soft magnetic alloy consisting of 80% Nickel, 5% Molybdenum, and balance Iron used where extremely high initial & maximum permeability and minimum hysteresis is needed.
Annealed Coil/Strip -- efi Alloy 50
Magnetic Bar Stock -- efi Alloy 50 FM
Rotor Grade Coil/Strip -- efi Alloy 50
Square Magnetic Bar Stock -- efi Alloy 50
A soft magnetic alloy, consisting of 49% Nickel, balance Iron used where high initial permeability, maximum permeability, and low core loss is needed.
Magnetic Bar/Strip/Coil Stock -- Hiperco 50 An alloy of 49% Cobalt, and 2%Vanadium, balance Iron. This alloy exhibits the highest magnetic saturation of any commercial alloy and excels in applications where this attribute is needed. This...
Control Expansion/Glass Seal Sheet/Plate -- ASTM F-15
Control Expansion/Glass Sealing Wire Rod -- ASTM F-15
Controlled Expansion/Glass Coil/Strip -- ASTM F-15
Controlled Expansion/Glass Sealing Rod -- ASTM F-15
ASTM F-15 Alloy, commonly known as Kovar, is a controlled expansion alloy consisting of 29% Nickel, 17% Cobalt, and balance Iron. Kovar is produced to ensure good properties for machining...
Magnetic Bar Stock -- efi Core Iron
Magnetic Bar Stock -- efi Vac Iron
Square Magnetic Bar Stock -- efi Core Iron
Square Magnetic Bar Stock -- efi Vac Iron
Carpenter VIM VAR Core Iron is a low carbon magnetic iron produced using vacuum induction melting plus vacuum arc re-melting practices. Other elements commonly found in low carbon irons are...
Control Expansion/Glass Seal Sheet/Plate -- Invar 36
Controlled Expansion/Glass Sealing Rod -- Invar 36
Invar is a low expansion alloy, consisting of 36% Nickel, balance Iron. This alloy exhibits extremely low expansion around ambient temperatures and is often used where minimum expansion is required.
Magnetic Bar/Strip/Coil Stock -- Radiometal 4550 Radiometal 4550 is a Soft Magnetic Alloy consisting of 45% Nickel, balance Iron alloy and has excellent permeability with high saturation flux density.