AWG 24 28 30 32 36 38 Gauge Annealsed Soft Nichrome 80 electric resistance wire Ni80Cr20 heating round wire
| Alloy Nomenclature Performance | |
| Ni80Cr20 | |
| Ni70Cr30 | |
| Ni60Cr15 | |
| Ni35Cr20 | Ni30Cr20 |
| Main Chemical composition | |
| Ni | |
| Rest | |
| Rest | |
| 55.0-61.0 | |
| 34.0-37.0 | 30.0-34.0 |
| Cr | |
| 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) | |
| 1200 | |
| 1250 | |
| 1150 | |
| 1100 | 1100 |
| Resistivity at 20ºC (μΩ·m) | |
| 1.09 | |
| 1.18 | |
| 1.12 | |
| 1.0 | 1.04 |
| Density(g/cm3) | |
| 8.40 | |
| 8.10 | |
| 8.20 | |
| 7.90 | 7.90 |
| Thermal conductivity (KJ/m·h·ºC) | |
| 60.3 | |
| 45.2 | |
| 45.2 | |
| 43.8 | 43.8 |
| Coefficient of lines expansion(α×10-6/ºC) | |
| 18.0 | |
| 17.0 | |
| 17.0 | |
| 19.0 | 19.0 |
| Melting point approx.( ºC) | |
| 1400 | |
| 1380 | |
| 1390 | |
| 1390 | 1390 |
| Elongation at rupture(%) | |
| >20 | |
| >20 | |
| >20 | |
| >20 | >20 |
| Micrographic structure | |
| austenite | |
| austenite | |
| austenite | |
| austenite | austenite |
| Magnetic properties | |
| nonmagnetic | |
| nonmagnetic | |
| Weak magnetic | |
| Weak magnetic | Weak magnetic |
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