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Copper-based Alloys – CuNi23
Common Names: Alloy 180, CuNi 180, 180 Alloy, MWS-180, Cuprothal 30, Midohm, HAI-180, Cu-Ni 23, Alloy 380, Nickel Alloy 180, A180, NC030, CuNi23Mn, CN30W, CN30R
Chemical Composition:
| Al |
Cr |
Cu |
Ni |
Fe |
Mn |
| - |
- |
Bal. |
23 |
- |
1.5 |
Properties:
| Max. continuous service Temp. |
500ºC |
| Resistivity at 20ºC |
0.30±5% μΩ·m |
| Density |
8.90
g/cm3 |
| Thermal conductivity |
33
W/m/ºC |
| Coefficient of lines expansion |
16.0-17.5 α×10-6/ºC |
| Approx.
melting point |
1150ºC |
| Elongation |
≥25% |
| Thermal EMF vs. Cu |
-30 μv/K |
| Tensile Strength |
≥350 |
| Specific heat |
0.37
J/g·ºC |