CuNi34 is a copper-nickel alloy (CuNi alloy) with high resistivity suitable for use at temperatures up to 400℃.
Equivalent Grades
| Trademark | GB | GOST | ASTM | UNS | DIN | W.Nr. | NF | BS | JIS | SS |
| – | CuNi34
(NC040) | – | – | – | – | – | – | – | – | – |
Chemical Composition, %
| Alloy | Ni | Mn | Cu |
| CuNi34 | 34 | 1.0 | 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 ℃ |
| 0.40±5% | 350 | 400 | 1180 | 0.40 | 25 | 8.9 | 0 | -39 |
Features
- Good resistance consistency
- Superior stability
Applications
- Low-voltage circuit breaker
- Thermal overload relay
- Heating cables
- Fuses
- Shunts
- Resistors
- Controllers
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