| Item | 1Cr13Al4 | oCr21Al5 | oCr21Al6 | oCr21Al4 | oCr21Al6Nb | oCr27Al7Mo2 | |
| Main chemical Composition |
Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
| AI | 4.0-6.0 | 4.5-6.5 | 5.0-7.0 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 | |
| Re | Proper | Proper | Proper | Proper | Proper | Proper | |
| Fe | Rest | Rest | Rest | Rest | Rest | Rest | |
| Nb0.5 | Mo1.8-2.2 | ||||||
| Max. service temp. of element(℃) | 950 | 1250 | 1250 | 1100 | 1350 | 1400 | |
| Resistivity at 20℃ (μΩ·m) | 1.25 | 1.42 | 1.42 | 1.23 | 1.43 | 1.53 | |
| Density (g/cm3) | 7.40 | 7.10 | 7.16 | 7.35 | 7.10 | 7.10 | |
| Thermal conductivity(KJ/m.h.℃) | 52.7 | 46.1 | 63.2 | 46.9 | 46.1 | 45.2 | |
| Coefficient of linear expansion (α*10-6/℃) | 15.4 | 16.0 | 14.7 | 13.5 | 16.0 | 16.0 | |
| Melting point(approx.)(℃) | 1450 | 1500 | 1500 | 1500 | 1510 | 1520 | |
| Tensile strength(kg/mm2) | 60-70 | 65-80 | 65-80 | 65-80 | 65-80 | 70-85 | |
| Elongation rate% | >16 | >12 | >12 | >12 | >12 | >10 | |
| Shrinkage rate of section % | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
| Repeated bending frequency (F/R) | >5 | >5 | >5 | >5 | >5 | >5 | |
| Hardness (H.B.) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
| Micrographic structure | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
| Magnetic properties | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | |
