Supplier Annealed Nicr35/20 Ni35cr20 Heating Resistance Wire In Vacuum Equipment
- Ni35Cr20 Heating Resistance Wire
Ni35Cr20 is an austenitic nickel-chromium alloy suitable for temperature applications up to 1100°C. This alloy is characterized by high resistivity, good oxidation resistance, good ductility after use and excellent weldability.
Ni35Cr20 resistance wire plays an important role in vacuum equipment, its stability, high temperature resistance, and corrosion resistance make it an indispensable key component in various vacuum applications.
- Temperature Control in Vacuum Equipment
Ni35Cr20 resistance wire is commonly used in temperature control systems within vacuum equipment due to its excellent high-temperature resistance and stable resistance characteristics. They can withstand high-temperature environments and maintain stable resistance values, ensuring the proper operation of vacuum equipment.
- Heating Elements
In vacuum equipment, Ni35Cr20 resistance wire is often used as heating elements to provide constant heating power or temperature. They are used in vacuum furnaces, vacuum dryers, vacuum condensers, etc., ensuring temperature stability during sample processing or experimental processes.
- Corrosion Resistance
Ni35Cr20 resistance wire exhibits excellent oxidation and corrosion resistance, making it suitable for harsh environments within vacuum equipment. This enables them to operate stably for extended periods without being affected by external conditions.
- Control and Monitoring Systems
Ni35Cr20 resistance wire can also be used in control and monitoring systems within vacuum equipment, such as temperature sensors, resistance temperature controllers, etc. They can accurately monitor and control system parameters, ensuring the safe operation and efficient performance of the equipment.
- Nickel-chromium alloy performance tables
| 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 | -- | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 | |
| μΩ·m,20℃ | |||||||
| Elongation at rupture | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
| Specific heat | -- | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 | |
| J/g.℃ | |||||||
| Thermal conductivity | -- | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| KJ/m.h℃ | |||||||
| Coefficient of lines expansion | -- | 18 | 17 | 17 | 19 | 19 | |
| a×10-6/ | |||||||
| (20～1000℃) | |||||||
| Micrographic structure | -- | Austenite | Austenite | Austenite | Austenite | Austenite | |
| Magnetic properties | -- | Nonmagnetic | Nonmagnetic | Nonmagnetic | Weak magnetic | Weak magnetic | |
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