| Nickel chromium electrothermal alloy material technical parameters | ||||||||
| Alloy grade | Maximum operating temperature | Resistivity | Density | Melting point | Tensile strength | Elongation | Fast life | Magnetic |
| Cr20Ni80 | 1200 | 1.09±0.05 | 8.4 | 1400 | 750 | ≥20 | ≥80/1200 | Nonmagnetic |
| Cr15Ni60 | 1150 | 1.12±0.05 | 8.2 | 1390 | 750 | ≥20 | ≥80/1150 | Nonmagnetic |
| Cr20Ni35 | 1100 | 1.04±0.05 | 7.9 | 1390 | 750 | ≥20 | ≥80/1100 | Weak phosphorus |
| Cr25Ni2 | 1000 | 1.04±0.05 | 7.9 | 1390 | 750 | ≥20 | ≥80/1000 | Weak phosphorus |
| Diameter parameters of nickel-chromium alloy series | ||||||||
| Wire diameter mm |
Cross-sectional area mm² |
surface area per meter cm²/m |
Cr20Ni80 | Cr15Ni60 | Cr20Ni35 | |||
| Weight per meter g/m |
Resistance per meter Ω/meter, 20℃ |
Weight per meter g/m |
Resistance per meter Ω/meter, 20℃ |
Weight per meter g/m |
Resistance per meter Ω/meter, 20℃ |
|||
| 0.10 | 0.07854 | 3.142 | 0.06597 | 138.8 | 0.0644 | 142.6 | 0.06205 | 132.4 |
| 0.15 | 0.01767 | 4.712 | 0.1484 | 61.68 | 0.1449 | 63.38 | 0.1396 | 58.85 |
| 0.20 | 0.0314 | 6.28 | 0.261 | 34.7 | 0.258 | 35.3 | 0.258 | 33.1 |
| 0.25 | 0.04909 | 7.854 | 0.4123 | 22.21 | 0.4025 | 22.82 | 0.3878 | 31.19 |
| 0.30 | 0.0707 | 9.42 | 0.587 | 15.4 | 0.5725 | 15.7 | 0.58 | 14.71 |
| 0.35 | 0.09621 | 11.0 | 0.8082 | 11.33 | 0.7889 | 11.64 | 0.7601 | 10.81 |
| 0.40 | 0.1257 | 12.57 | 1.056 | 8.674 | 1.03 | 8.913 | 0.9927 | 8.276 |
| 0.50 | 0.1963 | 15.71 | 1.46 | 5.551 | 1.61 | 5.704 | 1.551 | 5.297 |
| 0.55 | 0.238 | 17.30 | 1.97 | 4.59 | 1.95 | 4.67 | 1.95 | 4.377 |
| 0.60 | 0.2827 | 18.85 | 2.375 | 3.855 | 2.318 | 3.961 | 2.234 | 3.678 |
| 0.70 | 0.3848 | 31.99 | 3.233 | 2.832 | 3.156 | 2.91 | 3.04 | 2.702 |
| 0.80 | 0.5027 | 25.13 | 4.222 | 2.168 | 4.122 | 2.228 | 3.971 | 2.069 |
| 0.90 | 0.6362 | 28.27 | 5.344 | 1.713 | 5.217 | 1.761 | 5.026 | 1.635 |
| 1.00 | 0.7854 | 31.42 | 6.597 | 1.388 | 6.44 | 1.426 | 6.205 | 1.324 |
| 1.20 | 1.131 | 37.70 | 9.5 | 0.9638 | 9.274 | 0.9903 | 8.935 | 0.9196 |
| 1.50 | 1.77 | 47.10 | 14.7 | 0.617 | 14.5 | 0.628 | 14.5 | 0.589 |
| 1.60 | 2.011 | 50.27 | 16389 | 0.5421 | 16.49 | 0.557 | 15.88 | 0.5173 |
| 1.80 | 2.545 | 56.55 | 21.38 | 0.4283 | 20.87 | 0.4401 | 20.1 | 0.4087 |
| 2.00 | 3.142 | 62.83 | 26.39 | 0.347 | 25.76 | 0.3565 | 24.82 | 0.331 |
| 2.50 | 4.909 | 78.54 | 40.75 | 0.2221 | 40.25 | 0.2261 | 38.78 | 0.2119 |
| 3.00 | 7.069 | 94.25 | 59.38 | 0.1542 | 57.96 | 0.1584 | 55.84 | 0.1471 |
| 3.50 | 9.621 | 110.0 | 80.82 | 0.1133 | 78.89 | 0.1164 | 76.01 | 0.1081 |
| 4.00 | 12.57 | 125.7 | 105.6 | 0.08674 | 103 | 0.08913 | 99.27 | 0.08276 |
| 5.00 | 19.63 | 125.7 | 105.6 | 0.08674 | 103 | 0.08913 | 99.27 | 0.08726 |
| 6.00 | 28.27 | 188.5 | 235 | 0.03855 | 231.8 | 0.03961 | 223.4 | 0.03678 |

