Nichrome NiCr Alloy Cr10Ni90 Ni90 Electric High Corrosion Heating
Resistance Wire With Factory Price
Nichrome wire is a nickel-chromium alloy that typically contains
around 80-90% nickel and 10-20% chromium. The specific composition
can vary slightly depending on the manufacturer, but the key
alloying elements are nickel and chromium.
Nichrome wire is widely used for its high electrical resistance,
excellent oxidation resistance, and ability to withstand high
temperatures. It is commonly found in applications such as:
1. Heating elements:
Nichrome wire is extensively used in the manufacture of heating
elements for various appliances and equipment, such as:
Electric heaters, space heaters, and baseboard heaters
Ovens, toasters, and other kitchen appliances
Industrial furnaces, kilns, and heat treatment equipment
2. Resistance heating:
Nichrome's high electrical resistance makes it suitable for use in
resistance heating applications, such as:
Electric heating tapes and cables
Resistance welding equipment
Heating components in electronic devices
3. Thermal sensors and controls:
Nichrome's resistance-temperature relationship can be used in the
design of thermal sensors and controls, such as:
Thermocouples and resistance temperature detectors (RTDs)
Thermal switches and thermostats
4. Heating coils and elements:
Nichrome wire is commonly used to construct heating coils and
elements for various applications, including:
Water heaters, immersion heaters, and steam generators
Hot plates, griddles, and other cooking equipment
Industrial drying and curing ovens
5. Industrial and laboratory equipment:
Nichrome's high-temperature and corrosion-resistant properties make
it suitable for use in:
Laboratory equipment, such as hot plates, stirrers, and furnaces
Chemical processing equipment, including reactors and distillation
columns
Aerospace and automotive applications, where high-performance
heating is required
6. Specialty applications:
Nichrome wire can also be found in:
Resistors and rheostats for electronic circuits
Heating elements in cigarette lighters and other ignition devices
Heating components in medical and scientific instrumentation
The versatility and reliable performance of Cr10Ni90 (Nichrome)
wire make it a widely used material in a diverse range of heating
and resistance-related applications across various industries.
| Performance material | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 |
| Composición | 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 |
| Max. temperature( °C ) | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 |
| Melting Point ℃ | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 |
| Density(g/cm3) | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 |
| Resistivity at 20ºC(μΩ@m) | 0.76±0.05 | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 |
| Elongation at rupture(%) | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 |
| Specific Heat J/g.℃ | － | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 |
| Thermal conductivity KJ/m.h℃ | － | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 |
| Coefficient of lines expansion a×10-6/(20～1000℃) | － | 18 | 17 | 17 | 19 | 19 |
| Micrographic structure | － | Austenite | Austenite | Austenite | Austenite | Austenite |
| Magnetic properties | － | Nonmagnetic | Nonmagnetic | Nonmagnetic | Weak magnetic | Weak magnetic |
