CuNi10
CuNi10 is a copper-nickel alloy (Cu90Ni10 alloy) with low resistivity for use at temperatures up to 250°C. Curpothal 15 is typically used for applications such as heating cables, fuses, shunts, resistors, and various types of controllers.
Chemical composition
Nickel % | Copper % | Manganese % |
10 | Bal. | - |
Typical mechanical properties（1.0mm)
Yield strength | Tensile Strength | Elongation |
Mpa | Mpa | % |
130 | 290 | 25 |
Typical physical propertie
Density (g/cm3) | 8.9 |
Electrical resistivity at 20℃ (Ωmm2/m) | 0.15 |
Temperature factor of resistivity（20℃~600℃）X10-5/℃ | <50 |
Conductivity coefficient at 20℃ (WmK) | 59 |
EMF vs Cu(μV/℃ )(0~100℃ ) | -25 |
Coefficient of thermal expansion
Temperature | Thermal Expansion x10-6/K |
20 ℃- 400℃ | 17.5 |
Specific heat capacity
Melting point (℃) | 1100 |
Max continuous operating temperature in air (℃) | 250 |
Magnetic properties | non-magnetic |
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