Key Features

• Fe-Ni controlled expansion alloy (Ni ~46%)

• Excellent sealing with ceramics and hard glass

• Reliable thermal expansion stability

• Good machinability and polishability

• Supplied in rods, wires, sheets, customized forms

Typical Applications

• Glass-to-metal sealing

• Ceramic-to-metal sealing

• Semiconductor packaging bases

• Relays, sensors, vacuum tubes

• Aerospace and defense electronic devices

• Hermetic sealing in precision instruments

Chemical Composition (%)

Physical and Performance Properties

Available Specifications