Project Description
CuNi23 (NC030)
CuNi23 is a copper-nickel alloy (CuNi alloy) with medium resistivity suitable for use at temperatures up to 400℃.
Equivalent Grades
| Trademarks | GB | JIS | ASTM | UNS | DIN | W-Nr. | ГОСТ | BS | NF | SS |
|---|---|---|---|---|---|---|---|---|---|---|
| Cuprothal 30 MWS-180 | CuNi23 (NC030) | CN30W CN30R | Alloy 180 | – | – | – | – | – | – | – |
Product Forms
Wire, Ribbon, Strip, Rod
Chemical Composition, %
| Alloy | Ni | Mn | Cu |
|---|---|---|---|
| CuNi23 | 23 | 0.8 | Bal |
Typical Mechanical and Physical Properties
| Resistivity, 20℃ μΩ·m | Max.working Temperature, ℃ | Tensile Strength, MPa | Melting Point, ℃ | Specific Heat, J/gk | Thermal Conductivity, 20℃ W/mk | Density, g/cm3 | TCR x10-6/ ℃, 20-600℃ | EMF vs Cu, μV/℃, 0-100 ℃ |
|---|---|---|---|---|---|---|---|---|
| 0.30±5% | 300 | 350 | 1150 | 0.38 | 33 | 8.9 | <16 | -34 |
Features
- Good resistance consistency
- Superior stability
Applications
- Low-voltage circuit breaker
- Thermal overload relay
- Heating cables
- Fuses
- Shunts
- Resistors
- Controllers
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