Nichrome reference
Characteristics of nichrome (pdf)
| Chemical composition | CH20H80-H | Х15Н60-Н | Н20Н35 | NICR20H30 |
|---|---|---|---|---|
| Ni | Base | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 |
| Cr | 20.0-23.0 | 15.0-18.0 | 18.0-21.0 | 18.0-21.0 |
| Fe | ≤1.0 | Rest | Rest | Rest |
| C | ≤0.060 | ≤0.060 | ≤0.060 | ≤0.060 |
| Si | 1.0-1.5 | 1.0-1.5 | 1.0-1.5 | 1.0-1.5 |
| Mn | ≤0.60 | ≤0.60 | ≤0.60 | ≤0.60 |
| S | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.015 |
| P | ≤0.020 | ≤0.020 | ≤0.020 | ≤0.020 |
| Ti | ≤0.20 | ≤0.20 | ≤0.20 | ≤0.20 |
| Maximum continuous working temperature (°С) | 1200 | 1150 | 1100 | 1100 |
| Specific resistance at 20 °C (Ω.mm2/m) | 1.09 | 1.12 | 1.0 | 1.04 |
| Density (grams/cm3) | 8.40 | 8.20 | 7.90 | 7.90 |
| thermal conductivity (KJ/m*h* °С) | 60.3 | 45.2 | 43.8 | 43.8 |
| Coefficient of linear expansion (αx10-6/°C) | 18.0 | 17.0 | 19.0 | 19.0 |
| Melting point °C | 1400 | 1390 | 1390 | 1390 |
| Elongation at break | >20 | >20 | >20 | >20 |
| Steel type | austenitic | austenitic | austenitic | austenitic |
| Steel type | Non-magnetic | Non-magnetic | Weakly magnetic | Weakly magnetic |
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