| 磁铁选择指南 Selection Guide |
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| 成本 Costs | Ferrite | NdFeB | AlNiCo | SmCo | ||||||
| 磁能积 Energy Product | Ferrite | AlNiCo | SmCo | NdFeB | ||||||
| 工作温度 Operating Temperature | NdFeB | Ferrite | SmCo | AlNiCo | ||||||
| 抗侵蚀值 Corrosion Resistance | NdFeB | SmCo | AlNiCo | Ferrite | ||||||
| 抗消磁值 Resistance to Demagnetization | AlNiCo | Ferrite | NdFeB | SmCo | ||||||
| 机械强度 Mechanical Strength | Ferrite | SmCo | NdFeB | AlNiCo | ||||||
| 温度系数 Temperature Coefficient | AlNiCo | SmCo | NdFeB | Ferrite | ||||||
磁铁材料等级性能
| 材料等级 Materlal Grades | 剩磁值 Remanence | 矫顽力 Coercivity | *大磁能积 Energy product | *高工作温度 Operating Temperature max | ||
| Br | HcB | HcJ | IBHI max | |||
| Mt | kA/m | kJ/m3 | °C | |||
| 钕铁硼 NdFeB | N30 | 1105 | 836 | 955 | 235 | 80 |
| N30H | 1105 | 836 | 1274 | 235 | 120 | |
| N30SH | 1100 | 836 | 1512 | 239 | 150 | |
| N33EH | 1185 | 828 | 955 | 275 | 180 | |
| N35 | 1185 | 828 | 955 | 275 | 80 | |
| N35H | 1190 | 828 | 1274 | 275 | 120 | |
| N35SH | 1190 | 828 | 1512 | 275 | 150 | |
| N40SH | 1260 | 844 | 1512 | 314 | 150 | |
| N45 | 1350 | 840 | 955 | 354 | 80 | |
| 钐钴 SmCo5 Sm2Co17 | S20 | 875 | 617 | 1194 | 159 | 250 |
| S24H | 975 | 724 | 1433 | 183 | 300 | |
| S28H | 1065 | 724 | 1433 | 215 | 300 | |
| 铝镍钴 AlNiCo | A500 | 1281 | 50 | 52 | 40 | 500 |
| 铁氧体 Ferrite | Y10 | 215 | 143 | 203 | 8 | 250 |
| Y30BH | 390 | 229 | 231 | 29 | 300 | |
| Y35 | 410 | 183 | 167 | 31 | 300 | |
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