Copper Nickel Alloy CuNi14 NC020 Resistance Heating Wire For Heating Cable
Copper and nickel and purpose: according to the characteristics of low resistance alloy has good corrosion resistance, good welding performance and machining performance, wide application and thermal overload relays, electric heating element in the low voltage circuit breaker and other low voltage apparatus.
Specification range
Thickness: 0.01-7 (mm) width: 5-300 (mm),
Wire diameter 0.05-10 (mm)
Chemical composition %
| Chemical | Ni | Mn | Cu |
| content | 14 | 0.5 | 85.5 |
The highest use temperature (300 ºC)
Resistivity (20 ºC) mu Ω/m, 0.2 + / - 5%
Temperature coefficient of resistance (a10-6 / %) < 30
Tensile strength (Mpa) >= 310
For copper electromotive force V / ºC - 28
Melting point (1115 ºC)
Grades and properties
| Type | Electrical resistivity (20degreeΩ mm²/m) |
temperature coefficient of resistance (10^6/degree) |
Dens ity g/mm² |
Max. temperature (°c) |
Melting point (°c) |
| CuNi1 | 0.03 | <1000 | 8.9 | 200 | 1085 |
| CuNi2 | 0.05 | <1200 | 8.9 | 200 |
1090 |
| CuNi6 | 0.10 | <600 | 8.9 | 220 | 1095 |
| CuNi8 | 0.12 | <570 | 8.9 | 250 | 1097 |
| CuNi10 | 0.15 | <500 | 8.9 | 250 | 1100 |
| CuNi14 | 0.20 | <380 | 8.9 | 300 | 1115 |
| CuNi19 | 0.25 | <250 | 8.9 | 300 | 1135 |
| CuNi23 | 0.30 | <160 | 8.9 | 300 | 1150 |
| CuNi30 | 0.35 | <100 | 8.9 | 350 | 1170 |
| CuNi34 | 0.40 | -0 | 8.9 | 350 | 1180 |
| CuNi40 | 0.48 | ±40 | 8.9 | 400 | 1280 |
| CuNi44 | 0.49 | <-6 | 8.9 | 400 | 1280 |
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