Prime Quality High Resistivity Nichrome Ni35Cr20 Resistance Wire For Laboratory 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 is widely used in laboratory equipment due to its superior performance and stability, making it an important component in laboratory experiments and research work.
- Heating Systems
Ni35Cr20 resistance wire is often used as heating elements in laboratory equipment such as constant temperature baths, hot plates, and ovens. Its high-temperature stability and uniform heating characteristics make it an ideal choice for various experimental needs.
- Temperature Sensors
Due to the stable resistance characteristics of Ni35Cr20 resistance wire, they are often used as sensitive elements in temperature sensors. These sensors are used to monitor temperature changes in laboratory equipment and work in conjunction with temperature control systems to ensure experimental conditions stability.Due to the stable resistance characteristics of Ni35Cr20 resistance wire, they are often used as sensitive elements in temperature sensors. These sensors are used to monitor temperature changes in laboratory equipment and work in conjunction with temperature control systems to ensure experimental conditions stability.
- Experimental Circuits
Ni35Cr20 resistance wire is also used in various circuits within the laboratory, such as resistor boxes, compensation circuits, and calibration devices. Its precise resistance values and stability enable it to provide reliable electrical performance to meet experimental requirements.
- Corrosion Resistance and Durability
The oxidation and corrosion resistance of Ni35Cr20 resistance wire enable it to operate stably for extended periods in laboratory environments. This durability makes it a commonly used material in laboratory 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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