CuNi2
CuNi2 is a copper-nickel alloy (Cu2Ni98 alloy) with low resistivity for use at temperatures up to 200°C.
Chemical composition
Nickel % | Copper % | Manganese % |
2 | Bal. | - |
Typical mechanical properties(1.0mm)
Yield strength（Mpa） | Tensile Strength（Mpa） | Elongation（%） |
90 | 220 | 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 | Thermal Expansion x10-6/K |
20 ℃- 400℃ | 17.5 |
Specific heat capacity
Melting point (℃) | 1090 |
Max continuous operating temperature in air (℃) | 200 |
Magnetic properties | Non-magnetic |
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