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Copper-based Alloys – CuNi2
Common Names: Alloy 30, A30, 30 Alloy, MWS-30, Cuprothal 5, HAI-30, Cu-Ni 2, Alloy 230, Nickel Alloy 30, NC005, CN5W, CN5R
Chemical Composition:
| Al |
Cr |
Cu |
Ni |
Fe |
Mn |
| - |
- |
Bal. |
2 |
- |
- |
Properties:
| Max. continuous service Temp. |
300ºC |
| Resistivity at 20ºC |
0.05±10% μΩ·m |
| Density |
8.90
g/cm3 |
| Thermal conductivity |
130
W/m/ºC |
| Coefficient of lines expansion |
16.5-17.5
α×10-6/ºC |
| Approx.
melting point |
1090ºC |
| Elongation |
≥25% |
| Thermal EMF vs. Cu |
-15 μv/K |
| Tensile Strength |
≥220 |
| Specific heat |
0.385
J/g·ºC |