Ed Fagan, Inc. Datasheets for Specialty Steels and Other Iron Alloys

Specialty steels and other iron alloys have specialized or proprietary compositions or properties that are specifically engineered for certain service conditions.
Specialty Steels and Other 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.