Permanent Magnets
AlNiCo Magnets
Aluminium-nickel-cobalt magnets
Permanent Magnets
AlNiCo Magnets
Aluminium-nickel-cobalt magnets
Applications that require consistent magnetic performance over a wide temperature range often rely on AlNiCo magnets. Composed of aluminum, nickel, cobalt, and iron, these magnets are available in cylindrical, rectangular, and ring shapes. They are widely used in electric motors, household appliances, audio equipment, and starters, providing long-term stability and reliable performance in demanding environments.
Specifications
Grade | Remanence | Coercivity | Intrinsic coercivity | Max. energy product (BH)max | Density D | % change per C | Tc | Remark | ||||
Br | HcB | HcJ | ||||||||||
mT | Gs | kA/m | Oe | kA/m | Oe | kJ/m³ | MGOe | g/cm³ | %/K | ℃ | ||
| 520 | 5200 | 40 | 500 | 43 | 540 | 8-10 | 1.0-1.25 | 6.8 | -0.022 | 760 | Isotropic |
| 700 | 7000 | 40 | 500 | 43 | 540 | 12-14 | 1.5-1.75 | 7.0 | -0.014 | 810 | |
| 570 | 5700 | 76 | 950 | 78 | 980 | 14-16 | 1.75-2.0 | 7.1 | -0.02 | 850 | |
| 560 | 5600 | 88 | 1100 | 90 | 1130 | 18-22 | 2.25-2.75 | 7.2 | -0.02 | 850 | |
| 1050 | 10500 | 46 | 580 | 47 | 590 | 28-33 | 3.5-4.15 | 7.2 | -0.016 | 850 | Anisotropic |
| 1100 | 11000 | 50 | 630 | 51 | 640 | 34-38 | 4.3-4.8 | 7.2 | -0.016 | 890 | |
| 1000 | 10000 | 56 | 700 | 57 | 710 | 28-30 | 3.5-3.8 | 7.2 | -0.020 | 850 | |
| 780 | 7800 | 104 | 1300 | 106 | 1130 | 33-36 | 3.9-4.5 | 7.2 | -0.020 | 850 | |
| 650 | 6500 | 136 | 1700 | 150 | 1880 | 31-36 | 4.15-4.5 | 7.2 | -0.020 | 850 | |
| 800 | 8000 | 123 | 1550 | 126 | 1580 | 38-42 | 4.75-5.3 | 7.2 | -0.020 | 850 | |
| 880 | 8800 | 120 | 1500 | 122 | 1530 | 42-48 | 5.3-6.0 | 7.25 | -0.020 | 850 |
Grade | Remanence | Intrinsic coercivity | Max. energy product (BH)max | Density D | Equivalent MMPA class | % change per C | Tc | Tw | ||||
Br | HcJ | |||||||||||
mT | Gs | kA/m | Oe | kJ/m³ | MGOe | g/cm³ | Near Br | Near HcJ | ℃ | ℃ | ||
| 680 | 6800 | 30 | 380 | 9.0 | 1.13 | 6.9 | Alnico3 | -0.03 | -0.02 | 810 | 450 |
| 600 | 6000 | 40 | 500 | 10.0 | 1.20 | 6.9 | -0.03 | -0.02 | 810 | 450 | |
| 720 | 7200 | 45 | 500 | 12.4 | 1.55 | 7.0 | Alnico2 | -0.03 | -0.02 | 810 | 450 |
| 700 | 7000 | 48 | 600 | 12.8 | 1.60 | 7.0 | |||||
| 1200 | 13000 | 48 | 600 | 37.0 | 4.65 | 7.3 | Alnico5 | -0.02 | 0.02 | 860 | 525 |
| 1250 | 12500 | 48 | 600 | 40.0 | 5.00 | 7.3 | |||||
| 1250 | 12500 | 52 | 650 | 44.0 | 5.50 | 7.3 | |||||
| 1300 | 13000 | 56 | 700 | 52.0 | 6.50 | 7.3 | Alnico5DG | ||||
| 1350 | 13500 | 59 | 740 | 60.0 | 7.50 | 7.3 | Alnico5-7 | ||||
| 1000 | 10000 | 58 | 720 | 28.0 | 3.50 | 7.3 | Alnico6 | -0.02 | 0.03 | 860 | 525 |
| 700 | 7000 | 140 | 1750 | 36.0 | 4.50 | 7.3 | Alnico8HC | -0.025 | 0.02 | 860 | 550 |
| 580 | 5800 | 100 | 1250 | 18.0 | 2.20 | 7.3 | Alnico8 | -0.025 | 0.02 | 860 | 550 |
| 800 | 8000 | 100 | 1250 | 32.0 | 4.00 | 7.3 | Alnico8 | -0.025 | 0.02 | 860 | 550 |
| 800 | 8000 | 110 | 1380 | 40.0 | 5.00 | 7.3 | |||||
| 900 | 9000 | 110 | 1380 | 60.0 | 7.50 | 7.3 | Alnico9 | -0.025 | 0.02 | 860 | 550 |
| 1050 | 10500 | 112 | 1400 | 72.0 | 9.00 | 7.3 |