Manufactory Price Copper Nickel Resistance CuNi19 Wire for the Manufacturing
CuNi19 is a low-resistance heating alloy. It is one of the key materials for low-voltage electrical products. It is widely used in low-voltage electrical products such as low-voltage circuit breakers, electric blankets, thermal overload relays, etc. It is commonly used in low-temperature applications such as heating cables.
Chemical Content(%)
| Mn | Ni | Cu |
| 0.5 | 19 | Bal. |
Mechanical Properties
| Max Continuous Service Temp | 300 ºC |
| Resistivity at 20ºC | 0.25 ± 5% ohm*mm2/m |
| Density | 8.9 g/cm3 |
| Temperature Coefficient of Resistance | < 25 ×10-6/ºC |
| EMF VS Cu (0~100ºC) | -32 μV/ºC |
| Melting Point | 1135ºC |
| Tensile Strength | Min 340Mpa |
| Elongation | Min 25% |
| Micrographic Structure | Austenite |
| Magnetic Property | Non. |
Regular size:
We supply products in the shape of wire,flat wire,strip.We can also make customized material according to useris requests.
Bright and white wire–0..03mm~3mm
Oxidized wire:0.6mm~10mm
Flat wire:thickness 0.05mm~1.0mm,width 0.5mm~5.0mm
Strip:0.05mm~4.0mm,width 0.5mm~200mm
Product features:
Nice corrosion resistance, good malleability and solderability.The special low resistance can be used in many heater and resistor fields.
Application:
It could be used to make electric heating element in low-voltage apparatus, such as thermal overload relay, low-voltage circuit breaker, and so on.And used in heat exchanger or condenser tubes in evaporators of desalination plants, process industry plants, air cooling zones of thermal power plants, high-pressure feed water heaters, and sea water piping in ships.
