| Catalog No. | NK3517 |
|---|---|
| Size | Customized |
| Material | Nickel Alloy |
| Shape | 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.
Synonym: Kovar, Dilver, and Pernifer 2918.
| 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) |
| 4.6 – 5.2 µm/m °C (20 – 400°C) |
Glass to metal seals in applications requiring high reliability or resistance to thermal shock, ie. high power transmitting valves
Our Nilo K Wire is carefully handled during storage and transportation to preserve the quality of our product in its original condition.
Copyright © 1994-2024 Advanced Refractory Metals owned by Oceania International LLC, All Rights Reserved.
