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.
Resistive devices are components used to limit the flow of electric current and generate resistance. Ni35Cr20 resistance wire is commonly used as the resistive material in resistive devices, with its resistance characteristics playing a crucial role in circuit design and current control.
Ni35Cr20 resistance wire can be used in various types of resistive devices, including resistors, voltage dividers, current limiters, etc. They find widespread applications in electronics, electrical, communication, and automation systems.
In the industrial sector, Ni35Cr20 resistance wire is used in the manufacturing of various resistive devices for circuit control, power distribution, voltage regulation, etc. They play a crucial role in electronic devices, machinery, and industrial automation systems.
Ni35Cr20 resistance wire is also widely used in resistive devices in the automotive and aerospace sectors. They are used in vehicle electronic systems, aerospace circuits, instrumentation, etc., ensuring the proper operation and reliability of systems.
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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