Features of Sintered NdFeB
The most powerful magnets commercially available
Manufactured by a powder metallurgical process involving the sintering of powder compacts under vacuum
Grinding and slicing possible
Very reactive with moisture and oxygen
A variety of Coatings can applied depending on the environment of the application
Applications:
Various types of electric motors, engineering equipment, medical equipment, audio apparatus and household appliances
性能 | 剩磁 | 矫顽力 | 内禀矫顽力 | 最大磁能积 | 工作温度 |
Grade | Remanence | Coercive Force | Intrinsic Coercive Force | Maximum energy product | Working Temp |
Br | bHc | jHc | (BH)max | ||
KGs | Koe | Koe | MGOe | ℃ | |
N52 | 14.9--14.4 | ≥11.2 | ≥12 | 53--49 | ≤80 |
N50 | 14.6--14.0 | ≥11.2 | ≥12 | 47--51 | ≤80 |
N48 | 14.1--13.6 | ≥11.2 | ≥12 | 49--45 | ≤80 |
N45 | 13.8--13.2 | ≥11.0 | ≥12 | 46--43 | ≤80 |
N42 | 13.4--12.8 | ≥10.8 | ≥12 | 43--40 | ≤80 |
N40 | 13.0--12.4 | ≥10.8 | ≥12 | 41--38 | ≤80 |
N38 | 12.8--12.4 | ≥10.8 | ≥12 | ≥36 | ≤80 |
N35 | 12.4--11.8 | ≥10.5 | ≥12 | ≥34 | ≤80 |
50M | 14.5-14.0 | ≥13.0 | ≥14 | 51--47 | ≤100 |
48M | 14.1--13.6 | ≥12.8 | ≥14 | 48--45 | ≤100 |
45M | 13.8--13.2 | ≥12.5 | ≥14 | 46--43 | ≤100 |
42M | 13.4--12.8 | ≥12.0 | ≥14 | 43--40 | ≤100 |
40M | 13.0--12.4 | ≥11.8 | ≥14 | 40--38 | ≤100 |
38M | 12.7--12.3 | ≥11.5 | ≥14 | 38--36 | ≤100 |
48H | 14.1--13.6 | ≥12.8 | ≥17 | 49--45 | ≤120 |
45H | 13.8--13.2 | ≥12.2 | ≥17 | 46--43 | ≤120 |
42H | 13.4--12.8 | ≥12.0 | ≥17 | 43--40 | ≤120 |
40H | 13.0--12.4 | ≥11.8 | ≥17 | 40--38 | ≤120 |
38H | 12.7--12.3 | ≥11.5 | ≥17 | 38--36 | ≤120 |
35H | 12.5--11.8 | ≥11.0 | ≥17 | 36--33 | ≤120 |
42SH | 14.1--13.6 | ≥12.6 | ≥20 | 43--40 | ≤150 |
40SH | 13.0--12.4 | ≥12.0 | ≥20 | 41--38 | ≤150 |
38SH | 12.7--12.2 | ≥11.3 | ≥20 | 39--36 | ≤150 |
35SH | 12.5--11.7 | ≥10.8 | ≥20 | ≥33 | ≤150 |
33SH | 12.0--11.4 | ≥10.5 | ≥20 | ≥31 | ≤150 |
38UH | 12.7--12.3 | ≥11.5 | ≥25 | 39--36 | ≤180 |
35UH | 12.1--11.7 | ≥11.5 | ≥25 | 36--33 | ≤180 |
33UH | 11.7--11.3 | ≥9.8 | ≥25 | 34--31 | ≤180 |
30UH | 11.0--10.8 | ≥9.5 | ≥25 | 31--28 | ≤180 |
35EH | 12.1--11.7 | ≥11 | ≥30 | 36--33 | ≤200 |
33EH | 11.7--11.4 | ≥10.7 | ≥30 | 33--30 | ≤200 |
30EH | 11.5--10.8 | ≥10.1 | ≥30 | 31--28 | ≤200 |
28EH | 10.8--10.4 | ≥9.3 | ≥30 | 28--25 | ≤200 |