A Nickel-Copper alloy wire used mainly for its medium range electrical resistivity and very low temperature-coefficient of resistance.
Applications include power resistors, shunts, thermocouples and wire-wound precision resistors having operating temperatures up to 400oC (750oF).
| Approximate Chemical Composition | |
| Ni | 45% |
| Cu | 55% |
| Properties | ||
| DENSITY | 8.89 g/cm3 | |
| ELECTRICAL RESISTIVITY AT 20 oC (microhm • cm) AT 20 oC (ohm. Circ. Mil/ft) |
49 295 |
|
| MAXIMUM OPERATING TEMPERATURE | 400 oC | 750 oF |
| MELTING POINT | 1270 oC | 2320 oF |
| COEFFICIENT OF EXPANSION | 14.7 µm/m °C (20 - 100°C) |
|
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