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Copper-based Alloys – CuNi44
Common Names: Cuprothal, Alloy 294, Cuprothal 49, Nico, MWS-294, Cupron, Copel, Alloy 45, Neutrology, Advance, CuNi 102, Cu-Ni 44, Konstantan/Constantan, NC050, CN49W, CN49R
Chemical Composition:
| Al |
Cr |
Cu |
Ni |
Fe |
Mn |
| - |
- |
Bal. |
44 |
- |
1.0 |
Properties:
| Max. continuous service Temp. |
600ºC |
| Resistivity at 20ºC |
0.49±5% μΩ·m |
| Density |
8.90
g/cm3 |
| Thermal conductivity |
23
W/m/ºC |
| Coefficient of lines expansion |
13.5-15
α×10-6/ºC |
| Approx.
melting point |
1280ºC |
| Elongation |
≥25% |
| Thermal EMF vs. Cu |
-40 μv/K |
| Tensile Strength |
≥420 |
| Specific heat |
0.41
J/g·ºC |