Alnico Magnetic Materials Properties Data
| Alnico - Magnetic Properties | ||||||||
| Grade | Type | Br (kGauss) | Hc (kOersteds) | Hci (kOersteds) | BHmax (MGOe) | Temperature Coefficient Br (%/°C) | Maximum Operating Temp | |
| (°C) | (°F) | |||||||
| 5 C | Cast | 12,500 | 640 | 640 | 5.5 | -0.013 | 540 | ~ 1000 |
| 5 S | Sintered | 10,800 | 600 | 600 | 3.8 | -0.007 | 540 | ~ 1000 |
| 8 C | Cast | 8,300 | 1,650 | 1,650 | 5.5 | -0.013 | 540 | ~ 1000 |
| 8 S | Sintered | 7,000 | 1,900 | 1,900 | 5.0 | -0.013 | 540 | ~ 1000 |
| Alnico - Physical Properties | |||||||||||
| Grade | Type* | Density (kg/m3) | Bending Strength | Compressive Strength | Electrical Resistivity (Ωm) | Coeff. Of Thermal Exp. | Curie Temperature | ||||
| (kg/m3) | (lbs/in3) | (kg/m2) | (lbs/in2) | (kg/m2) | (lbs/in2) | (°C) | (°F) | ||||
| ALL | Cast | 7.3 x 103 | 0.265 | 4.7 x 10-3 | 11.4 x 10-6 | 860 | 1580 | ||||
| ALL | Sintered | 7.0 x 103 | 0.255 | 4.7 x 10-3 | 11.4 x 10-6 | 860 | 1580 | ||||
