Fecral alloy OCr21AL6Nb 0Cr21AL6Nb heating element flat wire ribbon resistance strip for electrical furnace and oven
| Main Chemical composition(%) | Cr:19.0-22.0 , Al:5.0-7.0 , Fe:rest , Re:opportune |
| Max Service temperature | 1250°C |
| Thermal conductivity | 63.2 |
| Resistivity at 20°C | 1.42 |
| Density(g/cm3) | 7.16 |
| Coefficient of line expansion | 14.7 |
| Melting point(approx.) | 1500 |
| Tensile strength | 630-780 |
| Elongation at rupture | >12 |
| Hardness | 200-260 |
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