Ni70Cr30 Nicr 8020 Electric 0.2mm Nickel Chromium Wire
Brand Name:DLX
Certification:CE,ROHS
Model Number:Ni70Cr30
Minimum Order Quantity:5
Delivery Time:7-20 days
Payment Terms:L/C, T/T, Western Union, MoneyGram
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Changzhou Jiangsu China
Address:
NO.32 West Taihu Road, Xinbei District, Changzhou, Jiangsu
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- NiCr Series
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.
Ni70Cr30 is used for electric heating elements in industrial furnaces. Typical applications are: electric and enamelling furnaces, storage heaters, furnaces and kilns with a changing atmospheres.
- 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 | ||
- The Form we could offer
Ni70Cr30 Nicr 8020 Electric 0.2mm Nickel Chromium Wire
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