NK3517 Nilo K Wire

Nilo K Wire is a Nickel-Iron-Cobalt, controlled expansion alloy containing 29% Nickel. Its coefficient of expansion (which decreases with rising temperature to the inflection point), matches the expansion rate of borosilicate glasses and alumina ceramics.

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Catalog No.	NK3517
Size	Customized
Material	Nickel Alloy
Shape	Wire

Nilo K Wire Description

Synonym: Kovar, Dilver, and Pernifer 2918.

Nilo K Wire Specifications

Chemical Composition
Element	Min %	Max %
Fe	53.00 nominal
Ni	29.00 nominal
Co	17.00 nominal
Mn	–	0.5
Si	–	0.2
C	–	0.04
Al	–	0.1
Mg	–	0.1
Zr	–	0.1
Ti	–	0.1
Cu	–	0.2
Cr	–	0.2
Mo	–	0.2

Density	8.16 g/cm³
Melting Point	1450°C
Inflection Point	450°C
Thermal Conductivity	16.7 W/m•°C
Coefficient of Expansion	6.0 µm/m °C (20 – 100°C)
Coefficient of Expansion	4.6 – 5.2 µm/m °C (20 – 400°C)

Nilo K Wire Applications

Glass to metal seals in applications requiring high reliability or resistance to thermal shock, ie. high power transmitting valves

Nilo K Wire Packaging

Our Nilo K Wire is carefully handled during storage and transportation to preserve the quality of our product in its original condition.

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