Illustrate:

Product Name: ASTM F-15 Alloy / Nickel Iron Cobalt

is a controlled expansion alloy commonly used in high integrity glass and ceramic metal seals, lids, lead frames, electronic package bases. ASTM F-15 alloys are primarily made of nickel, cobalt, and iron.

The alloy is designed to suit the needs of computer, microwave, hydride, semiconductor and space age technologies, making it an important resource for the defense, aerospace and telecommunications industries.

Applications: Electronic package bases, covers, lead frames and glass-to-metal seals. Industries Served: Telecommunications, Aircraft and Aerospace Industries, Military and Defense, Semiconductors and Microwaves.

Typical chemical composition
Nickel 29.0 (%)
Cobalt 17.0
Manganese 0.50
Si 0.20
Sulfur 0.025
Chrome 0.20
Copper 0.20
Molybdenum 0.20
Zirconium 0.10
Phosphorus 0.025
Carbon 0.06

Our ASTM F15 alloy (Kovar©) is very stable, passing the standard phase transition test at -80°C and remaining stable to -196°C.
Our source is an ISO certified company. All ASTM F15 Alloy (Kovar©) products are DFARS compliant, ASTM F15 Alloy (Kovar©) is available in bar, sheet, coil and other forms.