CuNi1
CuNi1 is a copper-nickel alloy (Cu99Ni1 alloy) with low resistivity for use at temperatures up to 200°C. CuNi1 is kind of low resistance (heating) alloy. It is one of the key materials of the low-voltage electrical products. It is widely used in low-voltage circuit breaker, electric blankets, thermal overload relay and other low-voltage electrical product.
Chemical composition
Nickel % | Copper % | Manganese % |
1 | Bal. | - |
Typical mechanical properties(1.0mm)
Yield strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) |
90 | 210 | 25 |
Typical physical properties
Density (g/cm3) | 8.9 |
Electrical resistivity at 20℃ (Ωmm2/m) | 0.03 |
Temperature factor of resistivity(20℃~600℃)X10-5/℃ | <100 |
Conductivity coefficient at 20℃(WmK) | 145 |
EMF vs Cu(μV/℃ )(0~100℃) | -8 |
Coefficient of thermal expansion
Temperature | 20 ℃- 400℃ |
Thermal Expansion x10-6/K | 17.5 |
Specific heat capacity
Melting point (℃) | 1085 |
Max continuous operating temperature in air (℃) | 200 |
Magnetic properties | Non-magnetic |
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