bright soft electric heating resistance alloy Cr20Ni80 nichrome ribbon
| Alloy Nomenclature Performance | |
| Cr10Ni90 | |
| Cr20Ni80 | |
| Cr30Ni70 | |
| Cr15Ni60 | |
| Cr20Ni35 | Cr20Ni30 |
| Main Chemical 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 |
| Max. continuous service temp. of element(ºC) | |
| 1300 | |
| 1200 | |
| 1250 | |
| 1150 | |
| 1100 | 1100 |
| Melting point ℃ | |
| 1400 | |
| 1400 | |
| 1380 | |
| 1390 | |
| 1390 | 1390 |
| Resistivity at 20ºC (μΩ·m) | |
| -- | |
| 1.09±0.05 | |
| 1.18±0.05 | |
| 1.12±0.05 | |
| 1.00±0.05 | 1.04±0.05 |
| Density(g/cm3) | |
| 8.7 | |
| 8.4 | |
| 8.1 | |
| 8.2 | |
| 7.9 | 7.9 |
| Thermal conductivity (KJ/m·h·ºC) | |
| -- | |
| 60.3 | |
| 45.2 | |
| 45.2 | |
| 43.8 | 43.8 |
| Coefficient of lines expansion(α×10-6/ºC) | |
| -- | |
| 18 | |
| 17 | |
| 17 | |
| 19 | 19 |
| Elongation at rupture(%) | |
| ≥20 | |
| ≥20 | |
| ≥20 | |
| ≥20 | |
| ≥20 | ≥20 |
| Micrographic structure | |
| -- | |
| Austenite | |
| Austenite | |
| Austenite | |
| Austenite | Austenite |
| Magnetic properties | |
| -- | |
| Nonmagnetic | |
| Nonmagnetic | |
| Nonmagnetic | |
| Weak magnetic | Weak magnetic |
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