r 0cr27al7mo2 0cr21al6nb electric furnace fecral resistance heating coil wire strip
| Alloy Nomenclature Performance | |
| 1Cr13Al4 | |
| 0Cr25Al5 | |
| 0Cr21Al6 | |
| 0Cr23Al5 | |
| 0Cr21Al4 | |
| 0Cr21Al6Nb | 0Cr27Al7Mo2 |
| Chemical Compostion(%) | |
| 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 |
| 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 |
| Re | |
| Opportune | |
| Fe | |
| Rest | |
| -- | |
| -- | |
| -- | |
| -- | |
| -- | |
| Nb0.5 | Mo1.8-2.2 |
| Maximum temperature℃ | |
| 950 | |
| 1250 | |
| 1250 | |
| 1250 | |
| 1100 | |
| 1350 | 1400 |
| Resistivity at 20℃((μΩ·m) | |
| 1.25 | |
| 1.42 | |
| 1.42 | |
| 1.35 | |
| 1.23 | |
| 1.45 | 1.53 |
| Density(g/cm3) | |
| 7.4 | |
| 7.1 | |
| 7.16 | |
| 7.25 | |
| 7.35 | |
| 7.1 | 7.1 |
| Melting point ℃ | |
| 1450 | |
| 1500 | |
| 1500 | |
| 1500 | |
| 1500 | |
| 1510 | 1520 |
| Tensile strength (N/mm2) | |
| 580-680 | |
| 630-780 | |
| 630-780 | |
| 630-780 | |
| 600-700 | |
| 650-800 | 680-830 |
| Elongation at rupture (%) | |
| >16 | |
| >12 | |
| >12 | |
| >12 | |
| >12 | |
| >12 | >10 |
| Variation of area(100%) | |
| 65-75 | |
| 60-75 | |
| 65-75 | |
| 65-75 | |
| 65-75 | |
| 65-75 | 65-75 |
| Thermal conductivityKJ/m.h℃ | |
| 52.7 | |
| 46.1 | |
| 63.2 | |
| 60.2 | |
| 46.9 | |
| 46.1 | -- |
| Coefficient of lines expansiona×10-6/(20~1000℃) | |
| 15.4 | |
| 16 | |
| 14.7 | |
| 15 | |
| 13.5 | |
| 16 | 16 |
| Micrographic structure | |
| Ferrite | |
| Ferrite | |
| Ferrite | |
| Ferrite | |
| Ferrite | |
| Ferrite | Ferrite |
| Magnetic properties | |
| Magnetic | |
| Magnetic | |
| Magnetic | |
| Magnetic | |
| Magnetic | |
| Magnetic | Magnetic |
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