FeCrAl resistance wires
| Main characteristics of Fe-Cr-Al high resistance heating wires |
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| Alloy Nomenclature Performance | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 1Cr20Al3 | 0Cr21Al6Nb | 0Cr27Al7Mo2 |
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| Main | Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 20.5-23.5 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
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| Al | 4.0-6.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.3 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 |
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| Re | opportune | opportune | opportune | opportune | opportune | opportune | opportune |
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| Fe | Rest | Rest | Rest | Rest | Rest | Rest | Rest |
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| Nb0.5 | Mo1.8-2.2 |
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| Max. continuous service temp. of element | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 |
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| Resistivity at 20oC (μΩ·m) | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 |
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| Density (g/cm3) | 7.40 | 7.10 | 7.16 | 7.25 | 7.35 | 7.10 | 7.10 |
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| Thermal conductivity(KJ/m·h·oC) | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | 45.2 |
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