China NdFeB Sintered Magnet Permanent Magnets/High Grade Magnets, Find details about China NdFeB Magnet, Neodymium Magnet from NdFeB Sintered Magnet Permanent Magnets/High Grade Magnets
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ROCO Magnetics is a high-tech enterprise engaged in research, development, and production of high grade sintered NdFeB magnet, magnetic assembles and permanent magnet generators. We obtained ISO9001:2008,ISO14001,TS16949,QC080000 certifications. Our products are being widely used in motor, loudspeaker, magnetic separating, magnetic coupling, magnetic sensor, NMR and wind driven generator etc. Staff 300, Turnover150million RMB , work shop area 80000sm, annual capital 2500ton NdfeB.
Main ring magnet product for Loud speakers,
Sintered NdFeB magnet is contemporary the most powerful magnet magnetic, it not only has high remanence, high coercive force, high magnetic energy product and high performance price excellent characteristics, such as size and easy processing into various shapes, especially suitable for high power, high magnetic field and miniaturization, light-duty and upgrading of products.
Characteristics:
Grade | Remanence(Br) | Coercive Force(bHc) | Intrisic Coercive Force(Hcj) | Max Energy Product(BH)max | Working Temp(L/D=0.7) | ||||
KGS | T | KOe | KA/m | KOe | KA/m | MGOe | KJ/m³ | ºC | |
N35 | 11.8-12.4 | 1.18-1.24 | ≥10.5 | ≥835 | ≥12 | ≥955 | ≥33 | ≥263 | ≤80 |
N38 | 12.3-12.8 | 1.23-1.28 | ≥10.8 | ≥859 | ≥12 | ≥955 | ≥36 | ≥286 | ≤80 |
N40 | 12.6-13.2 | 1.26-1.32 | ≥10.8 | ≥859 | ≥12 | ≥955 | 38-41 | 302-326 | ≤80 |
N42 | 12.8-13.4 | 1.28-1.34 | ≥10.8 | ≥859 | ≥12 | ≥955 | 40-44 | 318-350 | ≤80 |
N45 | 13.2-13.8 | 1.32-1.38 | ≥11.0 | ≥875 | ≥12 | ≥955 | 43-47 | 342-374 | ≤80 |
N48 | 13.6-14.1 | 1.36-1.41 | ≥11.2 | ≥891 | ≥12 | ≥955 | 45-49 | 358-390 | ≤80 |
N50 | 13.9-14.6 | 1.39-1.46 | ≥11.2 | ≥891 | ≥12 | ≥955 | 47-51 | 374-405 | ≤80 |
N52 | 14.2-14.6 | 1.42-1.46 | ≥10.2 | ≥812 | ≥11 | ≥875 | 48-53 | 390-422 | ≤80 |
38M | 12.3-12.8 | 1.23-1.28 | ≥11.5 | ≥915 | ≥14 | ≥1114 | 36-38 | 286-302 | ≤100 |
40M | 12.6-13.2 | 1.26-1.32 | ≥11.8 | ≥939 | ≥14 | ≥1114 | 38-41 | 302-326 | ≤100 |
42M | 12.8-13.4 | 1.28-1.34 | ≥12.0 | ≥955 | ≥14 | ≥1114 | 40-43 | 318-342 | ≤100 |
45M | 13.2-13.8 | 1.32-1.38 | ≥12.2 | ≥971 | ≥14 | ≥1114 | 43-46 | 342-366 | ≤100 |
48M | 13.6-14.0 | 1.36-1.40 | ≥12.5 | ≥995 | ≥14 | ≥1114 | 45-49 | 358-390 | ≤100 |
50M | 13.9-14.3 | 1.39-1.43 | ≥12.5 | ≥995 | ≥14 | ≥1114 | 47-51 | 374-405 | ≤100 |
35H | 11.7-12.4 | 1.17-1.24 | ≥10.8 | ≥859 | ≥17 | ≥1353 | 33-37 | 263-295 | ≤120 |
38H | 12.3-12.8 | 1.23-1.28 | ≥11.5 | ≥915 | ≥17 | ≥1353 | 36-40 | 286-318 | ≤120 |
40H | 12.6-13.2 | 1.26-1.32 | ≥11.8 | ≥939 | ≥17 | ≥1353 | 38-41 | 302-326 | ≤120 |
42H | 12.8-13.4 | 1.28-1.34 | ≥12.0 | ≥955 | ≥17 | ≥1353 | 40-43 | 318-342 | ≤120 |
45H | 13.2-13.8 | 1.32-1.38 | ≥12.2 | ≥971 | ≥17 | ≥1353 | 43-46 | 342-366 | ≤120 |
48H | 13.6-14.2 | 1.36-1.42 | ≥12.8 | ≥1019 | ≥17 | ≥1274 | 45-48 | 358-382 | ≤120 |
33SH | 11.4-12.0 | 1.14-1.20 | ≥10.5 | ≥835 | ≥20 | ≥1592 | ≥31 | ≥247 | ≤150 |
35SH | 11.7-12.5 | 1.17-1.25 | ≥10.8 | ≥859 | ≥20 | ≥1592 | ≥33 | ≥263 | ≤150 |
38SH | 12.2-12.7 | 1.22-1.27 | ≥11.3 | ≥899 | ≥20 | ≥1592 | 36-39 | 286-310 | ≤150 |
40SH | 12.4-13.0 | 1.24-1.30 | ≥11.8 | ≥939 | ≥20 | ≥1592 | 38-41 | 302-326 | ≤150 |
42SH | 12.8-13.6 | 1.28-1.36 | ≥12.0 | ≥955 | ≥20 | ≥1592 | 39-43 | 310-342 | ≤150 |
45SH | 13.2-13.7 | 1.32-1.37 | ≥12.2 | ≥971 | ≥20 | ≥1592 | 43-46 | 342-366 | ≤150 |
48SH | 13.6-14.1 | 1.36-1.41 | ≥12.8 | ≥1019 | ≥20 | ≥1592 | 45-48 | 358-382 | ≤150 |
30UH | 10.8-11.0 | 1.08-1.10 | ≥9.5 | ≥756 | ≥25 | ≥1990 | 28-31 | 223-247 | ≤180 |
33UH | 11.3-11.7 | 1.13-1.17 | ≥9.8 | ≥780 | ≥25 | ≥1990 | 31-34 | 247-270 | ≤180 |
35UH | 11.7-12.1 | 1.17-1.21 | ≥10.5 | ≥835 | ≥25 | ≥1990 | 33-36 | 263-286 | ≤180 |
38UH | 12.2-12.7 | 1.22-1.27 | ≥11.3 | ≥899 | ≥25 | ≥1990 | 36-39 | 286-310 | ≤180 |
40UH | 12.4-13.0 | 1.24-1.30 | ≥11.8 | ≥939 | ≥25 | ≥1990 | 38-41 | 302-326 | ≤180 |
30EH | 10.8-11.5 | 1.08-1.15 | ≥10.1 | ≥804 | ≥30 | ≥2388 | 28-31 | 223-247 | ≤200 |
32EH | 11.3-12.1 | 1.13-1.21 | ≥10.5 | ≥835 | ≥30 | ≥2388 | 30-33 | 238-263 | ≤200 |
35EH | 11.8-12.5 | 1.18-1.25 | ≥11.0 | ≥875 | ≥30 | ≥2388 | 33-35 | 263-278 | ≤200 |
38EH | 12.2-12.7 | 1.22-1.27 | ≥11.3 | ≥899 | ≥30 | ≥2388 | 36-39 | 286-310 | ≤200 |
40EH | 12.4-13.0 | 1.24-1.30 | ≥11.8 | ≥939 | ≥30 | ≥2388 | 38-41 | 302-326 | ≤200 |
1T=10kGs,1kOe=79.6kA/m,lMGOe=7.96kJ/m3.
The open flux irreversible loss of the testing sample at this temperature≤5%.
Attention:
Grades | N35-N52 | N38M-N50M | N35H-N48H | N35SH-N45SH | N30UH-N40UH | N30EH-N40EH |
W T | 80°C/60°C | 100°C | 120°C | 150°C | 180°C | 200°C |