CuNi2/CuNi6/CuNi8/CuNi10/CuNi44 Copper Nickel Alloy Electric Heating Wire 0.08-7.5mm with 400°C Max Temperature
CuNi alloy wire is a premium electrical heating material composed of copper and nickel, offering exceptional electrical conductivity, corrosion resistance, and high-temperature stability for demanding electrical, electronic, and thermal control applications.
- Excellent corrosion resistance for long-term reliability
- High temperature stability up to 400°C operation
- Superior electrical conductivity and thermal performance
- Stable operation in harsh industrial environments
- Multiple grades available for specific application requirements
| Type | Electrical Resistivity (20°C Ω·mm²/m) | Max Temperature (°C) | Tensile Strength | Melting Point (°C) | Density (g/cm³) | TCR×10⁻⁶/°C (20-600°C) | EMF vs Cu |
|---|---|---|---|---|---|---|---|
| CuNi1 | 0.03 | 200 | 210 | 1085 | 8.9 | <100 | -8 |
| CuNi2 | 0.05 | 200 | 220 | 1090 | 8.9 | <120 | -12 |
| CuNi6 | 0.10 | 220 | 250 | 1095 | 8.9 | <60 | -18 |
| CuNi8 | 0.12 | 250 | 270 | 1097 | 8.9 | <57 | -22 |
| CuNi10 | 0.15 | 250 | 290 | 1100 | 8.9 | <50 | -25 |
| CuNi14 | 0.20 | 300 | 310 | 1115 | 8.9 | <30 | -28 |
| CuNi19 | 0.25 | 300 | 340 | 1135 | 8.9 | <25 | -32 |
| CuNi23 | 0.30 | 300 | 350 | 1150 | 8.9 | <16 | -34 |
| CuNi30 | 0.35 | 350 | 400 | 1170 | 8.9 | <10 | -37 |
| CuNi34 | 0.40 | 350 | 400 | 1180 | 8.9 | <0 | -39 |
| CuNi44 | 0.50 | 400 | 420 | 1200 | 8.9 | <-6 | -43 |
| Shape | Size Range (mm) |
|---|---|
| Wire | 0.08 - 7.5 |
| Bar | 8.0 - 50 |
| Ribbon | (0.05-0.35) × (0.5-6.0) |
| Strip | (0.5-2.5) × (5-180) |
High resistivity alloy wire with excellent corrosion resistance, ideal for electric heating devices, heating wires, and resistors in high-temperature applications.
Low resistivity wire with superior mechanical strength, suitable for electric stoves, ovens, and hot air blowers requiring higher current loads.
Low resistivity alloy with exceptional thermal stability, widely used in industrial heaters, drying equipment, and high-temperature heating systems.
Specialized alloy wires for precision measurement and control applications, including thermocouples and temperature sensors.
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