Copper Nickel Low High Resistance Alloys wire CuNi44
1. Description
Cupronickel, also can be called copper nickel alloy, is an alloy of copper, nickel and strengthening impurities, such as iron and manganese.
CuNi44
Chemical Content(%)
Mechanical Properties
Max Continuous Service Temp |
400 ºC |
Resistivity at 20ºC |
0.49 ± 5% ohm*mm2/m |
Density |
8.9 g/cm3 |
Temperature Coefficient of Resistance |
< -6 ×10-6/ºC |
EMF VS Cu (0~100ºC) |
-43 μV/ºC |
Melting Point |
1280 ºC |
Tensile Strength |
Min 420 Mpa |
Elongation |
Min 25% |
Micrographic Structure |
Austenite |
Magnetic Property |
Non. |
2.Usage
It could be used to make electric heating element in low-voltage apparatus, such as thermal overload relay, low-voltage circuit breaker, and so on.
3.Features
It has nice corrosion resistance, good malleability and solderability.
Material and Production Process