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High Resistance AISI Nichrome Ni70Cr30 Nickel Alloy Wire For Laboratory Equipment
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xProduct Details
| Delivery Time | 7-20 Days | Material | Nickel, Chromium |
|---|---|---|---|
| Nickel(Min) | 66% | Resistivity | 1.18+/-0.05 |
| Tensile Strength | 637MPA | Elongtation | ≥20% |
| Application | Heating, Resistivity | Condition | Hard / Soft |
| Sureface | Bright, Oxided, Acide | Name | Resistance Heating Wire |
| Highlight | AISI Nichrome Ni70Cr30 Nickel Alloy Wire,Laboratory Equipment Nickel Alloy Wire,Ni70Cr30 Nickel Alloy Wire |
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Product Description
- Ni70Cr30 Heating Resistance Wire
Ni70Cr30 is an austenitic nickel-chromium alloy suitable for temperature applications up to 1250°C. High chromium content (30% in average) provides very good life time, especially in the furnace applications.
Ni70Cr30 is characterized by high resistivity, good oxidation resistance, good ductility after use and excellent weldability. Alloy is not subject to “green rot” and is particularly well suited for reducing and oxidizing atmospheres.
- Heating Elements for Electric Furnaces
Ni70Cr30 resistance wire is commonly used as heating elements in laboratory electric furnaces for heating samples or specimens in various heat treatment experiments. Its stable resistance characteristics and excellent high-temperature performance ensure the repeatability and accuracy of experiments.
- Heaters for Vacuum Systems
In laboratory vacuum systems, Ni70Cr30 resistance wire is used as heaters to heat samples or equipment. It provides stable heating effects in high-temperature and low-pressure environments, suitable for various vacuum experiments and processes.
- Temperature Control Devices
Ni70Cr30 resistance wire is also commonly used in temperature control devices in laboratories, as temperature sensors or heating elements. It can accurately sense and control temperature to meet the temperature requirements during experiments.
- Heaters for Chemical Reactions
During chemical reaction processes in laboratories, Ni70Cr30 resistance wire can be used as heaters to provide the necessary heating energy for reaction vessels or samples. Its corrosion resistance allows it to work stably in various chemical environments.
- Thermal Analysis Instruments
Ni70Cr30 resistance wire is also widely used in laboratory thermal analysis instruments such as thermogravimetric analyzers, differential scanning calorimeters, etc., to provide stable temperatures required for sample heating.
- 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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