Austenitic Ni30Cr20 Heating Wire for High-Temperature Applications up to 1100°C with Fast 7-20 Days Delivery
Ni30Cr20 is an austenitic nickel-chromium alloy suitable for temperature applications up to 1100°C. This alloy features:
- High resistivity
- Excellent oxidation resistance
- Good ductility after use
- Superior weldability
Cr20Ni30 resistance wire is widely used in manufacturing electric furnace heating elements such as furnace wires and heaters. It provides stable operation at high temperatures with uniform heat output, ideal for melting metals or heating materials.
Used in electric heating elements for appliances including electric kettles, ovens, and blankets, maintaining stable temperature and power output over extended periods.
Applied in industrial heaters like hot air guns and heating plates for processing liquids, gases, or solid materials, offering long service life and corrosion resistance.
Ideal for precision temperature control in specialized equipment such as hot water boilers and industrial ovens across various temperature ranges.
| Performance material | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 |
|---|---|---|---|---|---|---|
| Composition Ni | 90 | Rest | Rest | 55.0～61.0 | 34.0～37.0 | 30.0～34.0 |
| Cr | 10 | 20.0～23.0 | 28.0～31.0 | 15.0～18.0 | 18.0～21.0 | 18.0～21.0 |
| Fe | -- | ≤1.0 | ≤1.0 | Rest | Rest | Rest |
| Maximum temperature℃ | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 |
| Meltiing point ℃ | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 |
| Density g/cm3 | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 |
| Resistivity μΩ·m,20℃ | -- | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 |
| Size Range | Dimensions | Visual Reference |
|---|---|---|
| Wire | dia 0.03-7.5mm |  |
| Wire | dia 8.0-12.0mm |  |
| Ribbon | (0.05-0.35)*(0.5-6.0)mm |  |
| Strip | (0.50-2.5)*(5-180)mm |  |
| Rod | 8-50mm |  |
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