Sintered NdFeB Magnet is an alloy magnet that is mainly composed of Neodymium, Iron boron and other microelements(Al, Ga, Mo, Co).It is known as " King of magnet".
1. Specification Material: Sintered Neodymium-Iron-Boron; Grade:N35-N52,35M-50M,35H-48H,33SH-45SH,30UH-40UH and 30EH-38EH;
| Magnetic properties of sintered NdFeB magnet |
| (Br) | (bHc) | (iHc) | (BH)max |
|
| GRADE | Tw °C |
| T | KGs | KA/m | KOe | KA/m | KOe | KJ/m3 | MGOe |
|
| N35 | 1.18-1.23 | 11.8-12.3 | ≥868 | ≥10.9 | ≥955 | ≥12 | 263-287 | 33-36 | ≤80 |
| N38 | 1.22-1.28 | 12.2-12.8 | ≥899 | ≥11.3 | ≥955 | ≥12 | 287-310 | 36-39 | ≤80 |
| N40 | 1.26-1.31 | 12.6-13.1 | ≥923 | ≥11.6 | ≥955 | ≥12 | 302-326 | 38-41 | ≤80 |
| N42 | 1.28-1.34 | 12.8-13.4 | ≥923 | ≥11.6 | ≥955 | ≥12 | 318-342 | 40-43 | ≤80 |
| N45 | 1.32-1.37 | 13.2-13.7 | ≥876 | ≥11.0 | ≥955 | ≥12 | 342-366 | 43-46 | ≤80 |
| N48 | 1.36-1.42 | 13.6-14.2 | ≥836 | ≥10.5 | ≥876 | ≥11 | 358-390 | 45-48 | ≤80 |
| N50 | 1.39-1.45 | 13.9-14.5 | ≥836 | ≥10.5 | ≥876 | ≥11 | 374-406 | 47-51 | ≤80 |
| N52 | 1.42-1.48 | 14.2-14.8 | ≥796 | ≥10.0 | ≥876 | ≥11 | 390-422 | 49-53 | ≤80 |
| N35M | 1.18-1.23 | 11.8-12.3 | ≥868 | ≥10.9 | ≥1114 | ≥14 | 263-287 | 33-36 | ≤100 |
| N38M | 1.22-1.28 | 12.2-12.8 | ≥899 | ≥11.3 | ≥1114 | ≥14 | 287-310 | 36-39 | ≤100 |
| N40M | 1.26-1.31 | 12.6-13.1 | ≥923 | ≥11.6 | ≥1114 | ≥14 | 302-326 | 38-41 | ≤100 |
| N42M | 1.28-1.34 | 12.8-13.4 | ≥923 | ≥11.6 | ≥1114 | ≥14 | 318-342 | 40-43 | ≤100 |
| N45M | 1.34-1.39 | 13.4-13.9 | ≥876 | ≥11.0 | ≥1114 | ≥14 | 342-366 | 43-46 | ≤100 |
| N48M | 1.36-1.42 | 13.6-14.2 | ≥876 | ≥11.0 | ≥1114 | ≥14 | 366-390 | 46-49 | ≤100 |
| N35H | 1.18-1.23 | 11.8-12.3 | ≥868 | ≥10.9 | ≥1353 | ≥17 | 263-287 | 33-36 | ≤120 |
| N38H | 1.22-1.28 | 12.2-12.8 | ≥899 | ≥11.3 | ≥1353 | ≥17 | 287-310 | 36-39 | ≤120 |
| N40H | 1.26-1.31 | 12.6-13.1 | ≥923 | ≥11.6 | ≥1353 | ≥17 | 302-326 | 38-41 | ≤120 |
| N42H | 1.28-1.34 | 12.8-13.4 | ≥923 | ≥11.6 | ≥1353 | ≥17 | 318-342 | 40-43 | ≤120 |
| N45H | 1.33-1.39 | 13.3-13.9 | ≥923 | ≥11.6 | ≥1353 | ≥17 | 342-366 | 43-46 | ≤120 |
| N48H | 1.36-1.42 | 13.6-14.2 | ≥923 | ≥11.6 | ≥1274 | ≥16 | 366-390 | 46-49 | ≤120 |
| N33SH | 1.14-1.19 | 11.4-11.9 | ≥836 | ≥10.5 | ≥1592 | ≥20 | 247-270 | 31-34 | ≤150 |
| N35SH | 1.18-1.23 | 11.8-12.3 | ≥868 | ≥10.9 | ≥1592 | ≥20 | 263-287 | 33-36 | ≤150 |
| N38SH | 1.22-1.28 | 12.2-12.8 | ≥899 | ≥11.3 | ≥1592 | ≥20 | 287-310 | 36-39 | ≤150 |
| N40SH | 1.26-1.31 | 12.6-13.1 | ≥923 | ≥11.6 | ≥1592 | ≥20 | 302-326 | 38-41 | ≤150 |
| N42SH | 1.28-1.34 | 12.8-13.4 | ≥923 | ≥11.6 | ≥1592 | ≥20 | 318-342 | 40-43 | ≤150 |
| N45SH | 1.33-1.39 | 13.3-13.9 | ≥923 | ≥11.6 | ≥1592 | ≥20 | 342-366 | 43-46 | ≤150 |
| N28UH | 1.03-1.09 | 10.3-10.9 | ≥780 | ≥9.80 | ≥1990 | ≥25 | 207-231 | 26-29 | ≤180 |
| N30UH | 1.09-1.14 | 10.9-11.4 | ≥812 | ≥10.2 | ≥1990 | ≥25 | 223-247 | 28-31 | ≤180 |
| N33UH | 1.13-1.17 | 11.3-11.7 | ≥852 | ≥10.7 | ≥1990 | ≥25 | 247-263 | 31-33 | ≤180 |
| N35UH | 1.18-1.22 | 11.8-12.2 | ≥868 | ≥10.9 | ≥1990 | ≥25 | 263-287 | 33-36 | ≤180 |
| N38UH | 1.22-1.27 | 12.2-12.7 | ≥899 | ≥11.3 | ≥1990 | ≥25 | 287-310 | 36-39 | ≤180 |
| N28EH | 1.03-1.09 | 10.3-10.9 | ≥780 | ≥9.80 | ≥2388 | ≥30 | 207-231 | 26-29 | ≤200 |
| N30EH | 1.08-1.13 | 10.8-11.3 | ≥812 | ≥10.2 | ≥2388 | ≥30 | 223-247 | 28-31 | ≤200 |
| N33EH | 1.13-1.17 | 11.3-11.7 | ≥852 | ≥10.7 | ≥2388 | ≥30 | 247-263 | 31-33 | ≤200 |
| N35EH | 1.18-1.22 | 11.8-12.2 | ≥868 | ≥10.9 | ≥2388 | ≥30 | 263-287 | 33-36 | ≤200 |
| N28AH | 1.03-1.09 | 10.3-10.9 | ≥780 | ≥9.80 | ≥2786 | ≥35 | 207-231 | 26-29 | ≤220 |
| N30AH | 1.08-1.13 | 10.8-11.3 | ≥812 | ≥10.2 | ≥2786 | ≥35 | 223-247 | 28-31 | ≤220 |
| Note:The above mentioned data is given at room temperature. |
| The above-mentioned maximum working temperature of magnet is changeable due to the ratio length and diameter,surface coating and environmental factors. |
Shape: ring,block,disc,segment,strip and so on; Size: as your requirement, large to about 200mm; Magnetization direction: through diameter or thickness, width, length; Coating: Ni (NiCuNi), Zn, Silver,gold, copper, epoxy and so on. Delivery time: 15-18 days after payment High flux, High remanence, high coercive force, high energy, high resistance to magnetic demagnetization, Low temperature coefficient and low loss of irreversible, excellent cost to performance ratio, low price & good quality
2. Applications a) Generators, servo motors, DC motors, computer rigid disc drives b) Loudspeakers, annunciators, linear actuators, microphone assemblies c) Magnetic separators, automatic mahjong machines d) Toys and other industries and etc.
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