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Nickel is only soluble in Silver up to 0.15% and as a consequence most of the alloys in this group of materials are produced by powder metallurgical techniques. This range of materials plays an important role as a heavier-duty material than Fine Silver.
They have a relatively low contact-resistance and high resistance to arc-erosion, especially when switching direct current. Its resistance to welding is superior to that of Fine Silver, but inferior to that of Silver- Metal Oxide in applications over 100A.
| Material | Density g/cc | Annealed Hv | Solidus (°C) | Electrical Conductivity %IACS | Electrical Resistivity u.cm |
|---|---|---|---|---|---|
| Silver 0.15% Nickel | 10.5 | 40 | 962* | 102 | 1.8 |
| Silver 10% Nickel | 10.2 | 50 | 962* | 86 | 2.0 |
| Silver 20% Nickel | 10.0 | 60 | 962* | 78 | 2.2 |
*Incipient fusion of conduction phase begins at 962°C. Forms available – Wire 1mm – 6mm dia. Strip sizes on request