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Cuprothal 10 Low electric resistance copper nickel alloy cuni6 wire
CuNi6
(Common Name:Cuprothal 10,CuNi6,NC6)
CuNi6 is a copper-nickel alloy (Cu94Ni6 alloy) with low resistivity for use at temperatures up to 220°C.
CuNi6 Wire is typically used for low-temperature applications such as heating cables.
Normal composition%
| Nickel | 6 | Manganese | - |
| Copper | Bal. |
Typical Mechanical properties（1.0mm）
| Yield strength | Tensile Strength | Elongation |
| Mpa | Mpa | % |
| 110 | 250 | 25 |
Typical Physical properties
| Density (g/cm3) | 8.9 |
| Electrical resistivity at 20℃ (Ωmm2/m) | 0.1 |
| Temperature factor of resistivity（20℃~600℃）X10-5/℃ | <60 |
| Conductivity coefficient at 20℃ (WmK) | 92 |
| EMF vs Cu(μV/℃ )(0~100℃ ) | -18 |
| Coefficient of thermal expansion | |
| Temperature | Thermal Expansion x10-6/K |
| 20 ℃- 400℃ | 17.5 |
| Specific heat capacity | |
| Temperature | 20℃ |
| J/gK | 0.380 |
| Melting point (℃) | 1095 |
| Max continuous operating temperature in air (℃) | 220 |
| Magnetic properties | non-magnetic |
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