USkym Brand permanent high quality Ni-Cu-Ni coating ring NdFeB magnets
NdFeB magnet/Neodymium magnet is made from Neodymium, Iron, Boron and some other transitive metallic elements to make it strong.
1. General features of the NdFeB magnet:
1) NdFeB Magnet Grades: N33, N35, N38, N40, N42, N48, N50, N52 (M, H, SH, EH, UH)
2) Coating: Ni, Ni-Cu-Ni, Zn, Silver,phosphating,epoxy and other special platings and coatings
3) Shape: arc, tile, square, cylinder and ring, block with various sizes
5) Maximum working temperature: 80 to 200 centigrade
6) Super strong magnetic force and high intrinsic coercive force and also with precise tolerance
2. Magnetic properties of Sintered Neodymium Magnet (NdFeB magnet):
Grade | Br | HcB | Hcj | (BH)max | Br | Hcj | MaxTemp | ||||
KGs | mT | kOe | Ka/m | kOe | Ka/m | MGOe | Kj/m³ | TK(Br)%/K | TK(Hcj)%/K | ºC | |
N28 | 10.4-10.9 | 1040-1090 | ≥10.0 | ≥796 | ≥12 | ≥955 | 25-28 | 199-223 | -0.12 | -0.6 | 80 |
N30 | 10.8-11.3 | 1080-1130 | ≥10.0 | ≥796 | ≥12 | ≥955 | 28-31 | 223-247 | -0.12 | -0.6 | 80 |
N33 | 11.3-11.7 | 1130-1170 | ≥10.5 | ≥836 | ≥12 | ≥955 | 31-34 | 247-271 | -0.12 | -0.6 | 80 |
N35 | 11.7-12.2 | 1170-1220 | ≥10.9 | ≥868 | ≥12 | ≥955 | 33-36 | 263-287 | -0.12 | -0.6 | 80 |
N38 | 12.2-12.5 | 1220-1250 | ≥11.3 | ≥899 | ≥12 | ≥955 | 36-39 | 287-310 | -0.12 | -0.6 | 80 |
N40 | 12.5-12.8 | 1250-1280 | ≥11.6 | ≥923 | ≥12 | ≥955 | 38-41 | 302-326 | -0.12 | -0.6 | 80 |
N42 | 12.8-13.2 | 1280-1320 | ≥11.6 | ≥923 | ≥12 | ≥955 | 40-43 | 318-342 | -0.12 | -0.6 | 80 |
N45 | 13.2-13.7 | 1320-1370 | ≥11.0 | ≥876 | ≥12 | ≥955 | 43-46 | 342-366 | -0.12 | -0.6 | 80 |
N48 | 13.7-14.2 | 1370-1420 | ≥11.2 | ≥892 | ≥12 | ≥955 | 46-49 | 366-390 | -0.12 | -0.6 | 80 |
N50 | 13.9-14.4 | 1390-1440 | ≥10.5 | ≥836 | ≥12 | ≥955 | 47-51 | 376-406 | -0.12 | -0.6 | 60 |
N52 | 14.2-14.7 | 1420-1470 | ≥10.5 | ≥836 | ≥11 | ≥876 | 49-53 | 390-422 | -0.12 | -0.6 | 60 |
N55 | 14.6-15.2 | 1460-1520 | ≥9.0 | ≥716 | ≥11 | ≥876 | 52-56 | 414-446 | -0.12 | -0.6 | 60 |
30M | 10.8-11.3 | 1080-1130 | ≥10.0 | ≥796 | ≥14 | ≥1114 | 28-31 | 223-247 | -0.11 | -0.65 | 100 |
33M | 11.3-11.7 | 1130-1170 | ≥10.5 | ≥836 | ≥14 | ≥1114 | 31-34 | 247-271 | -0.11 | -0.65 | 100 |
35M | 11.7-12.2 | 1170-1220 | ≥10.9 | ≥868 | ≥14 | ≥1114 | 33-36 | 263-287 | -0.11 | -0.65 | 100 |
38M | 12.2-12.5 | 1220-1250 | ≥11.3 | ≥899 | ≥14 | ≥1114 | 36-39 | 287-310 | -0.11 | -0.65 | 100 |
40M | 12.5-12.8 | 1250-1280 | ≥11.6 | ≥923 | ≥14 | ≥1114 | 38-41 | 302-326 | -0.11 | -0.65 | 100 |
42M | 12.8-13.2 | 1280-1320 | ≥12.0 | ≥955 | ≥14 | ≥1114 | 40-43 | 318-342 | -0.11 | -0.65 | 100 |
45M | 13.2-13.7 | 1320-1370 | ≥12.5 | ≥995 | ≥14 | ≥1114 | 43-46 | 342-366 | -0.11 | -0.65 | 100 |
48M | 13.6-14.2 | 1360-1420 | ≥12.8 | ≥1019 | ≥14 | ≥1114 | 45-49 | 358-390 | -0.11 | -0.65 | 100 |
50M | 13.9-14.4 | 1390-1440 | ≥13.0 | ≥1035 | ≥14 | ≥1114 | 47-51 | 374-406 | -0.11 | -0.65 | 100 |
52M | 14.2-14.7 | 1420-1470 | ≥12.5 | ≥955 | ≥13 | ≥1035 | 49-53 | 390-422 | -0.11 | -0.65 | 100 |
28H | 10.4-10.9 | 1040-1090 | ≥9.6 | ≥764 | ≥17 | ≥1353 | 25-28 | 199-223 | -0.12 | -0.65 | 120 |
30H | 10.8-11.3 | 1080-1130 | ≥10.0 | ≥796 | ≥17 | ≥1353 | 28-31 | 223-247 | -0.12 | -0.65 | 120 |
33H | 11.3-11.7 | 1130-1170 | ≥10.5 | ≥836 | ≥17 | ≥1353 | 31-34 | 247-271 | -0.12 | -0.65 | 120 |
35H | 11.7-12.2 | 1170-1220 | ≥10.9 | ≥868 | ≥17 | ≥1353 | 33-36 | 263-287 | -0.12 | -0.65 | 120 |
38H | 12.2-12.5 | 1220-1250 | ≥11.3 | ≥899 | ≥17 | ≥1353 | 36-39 | 287-310 | -0.12 | -0.6 | 120 |
40H | 12.5-12.8 | 1250-1280 | ≥11.6 | ≥923 | ≥17 | ≥1353 | 38-41 | 302-326 | -0.12 | -0.6 | 120 |
42H | 12.8-13.2 | 1280-1320 | ≥12.0 | ≥955 | ≥17 | ≥1353 | 40-43 | 318-342 | -0.12 | -0.6 | 120 |
45H | 13.2-13.7 | 1320-1370 | ≥12.2 | ≥971 | ≥17 | ≥1353 | 43-46 | 342-366 | -0.12 | -0.6 | 120 |
48H | 13.6-14.2 | 1360-1420 | ≥12.9 | ≥1027 | ≥17 | ≥1353 | 45-49 | 358-390 | -0.12 | -0.6 | 120 |
50H | 13.9-14.4 | 1390-1440 | ≥13.0 | ≥1035 | ≥16 | ≥1274 | 47-51 | 374-406 | -0.12 | -0.6 | 120 |
28SH | 10.4-10.9 | 1040-1090 | ≥9.8 | ≥780 | ≥20 | ≥1592 | 25-28 | 199-223 | -0.12 | -0.6 | 150 |
30SH | 10.8-11.3 | 1080-1130 | ≥10.1 | ≥804 | ≥20 | ≥1592 | 28-31 | 223-247 | -0.12 | -0.6 | 150 |
33SH | 11.3-11.7 | 1130-1170 | ≥10.6 | ≥844 | ≥20 | ≥1592 | 31-34 | 247-271 | -0.12 | -0.6 | 150 |
35SH | 11.7-12.2 | 1170-1220 | ≥11.0 | ≥876 | ≥20 | ≥1592 | 33-36 | 263-287 | -0.12 | -0.6 | 150 |
38SH | 12.2-12.5 | 1220-1250 | ≥11.4 | ≥907 | ≥20 | ≥1592 | 36-39 | 287-310 | -0.12 | -0.6 | 150 |
40SH | 12.5-12.8 | 1250-1280 | ≥11.8 | ≥939 | ≥20 | ≥1592 | 38-41 | 302-326 | -0.12 | -0.6 | 150 |
42SH | 12.8-13.2 | 1280-1320 | ≥12.2 | ≥971 | ≥20 | ≥1592 | 40-43 | 318-342 | -0.12 | -0.6 | 150 |
45SH | 13.2-13.7 | 1320-1370 | ≥12.3 | ≥979 | ≥20 | ≥1592 | 43-46 | 342-366 | -0.12 | -0.6 | 150 |
48SH | 13.6-14.2 | 1360-1420 | ≥12.5 | ≥995 | ≥19 | ≥1512 | 45-49 | 358-390 | -0.12 | -0.6 | 150 |
28UH | 10.2-10.8 | 1020-1080 | ≥9.6 | ≥764 | ≥25 | ≥1990 | 26-29 | 207-231 | -0.12 | -0.55 | 180 |
30UH | 10.8-11.3 | 1080-1130 | ≥10.2 | ≥812 | ≥25 | ≥1990 | 28-31 | 223-247 | -0.12 | -0.55 | 180 |
33UH | 11.3-11.7 | 1130-1170 | ≥10.7 | ≥852 | ≥25 | ≥1990 | 31-34 | 247-271 | -0.12 | -0.55 | 180 |
35UH | 11.7-12.2 | 1170-1220 | ≥10.8 | ≥860 | ≥25 | ≥1990 | 33-36 | 263-287 | -0.12 | -0.55 | 180 |
38UH | 12.2-12.5 | 1220-1250 | ≥11.0 | ≥876 | ≥25 | ≥1990 | 36-39 | 287-310 | -0.12 | -0.55 | 180 |
40UH | 12.5-12.8 | 1250-1280 | ≥11.5 | ≥915 | ≥25 | ≥1990 | 38-41 | 302-326 | -0.12 | -0.55 | 180 |
42UH | 12.5-12.8 | 1250-1280 | ≥12.2 | ≥971 | ≥25 | ≥1990 | 39-43 | 310-342 | -0.12 | -0.55 | 180 |
28EH | 10.4-10.9 | 1040-1090 | ≥9.8 | ≥780 | ≥30 | ≥2388 | 26-29 | 207-231 | -0.12 | -0.55 | 200 |
30EH | 10.8-11.3 | 1080-1130 | ≥10.2 | ≥812 | ≥30 | ≥2388 | 28-31 | 223-247 | -0.12 | -0.55 | 200 |
33EH | 11.3-11.7 | 1140-1180 | ≥10.3 | ≥820 | ≥30 | ≥2388 | 31-34 | 247-271 | -0.12 | -0.55 | 200 |
35EH | 11.7-12.2 | 1170-1220 | ≥10.5 | ≥836 | ≥30 | ≥2388 | 33-36 | 263-287 | -0.12 | -0.55 | 200 |
38EH | 12.0-12.5 | 1200-1250 | ≥11.5 | ≥915 | ≥30 | ≥2388 | 35-39 | 279-310 | -0.105 | -0.5 | 200 |
28AH | 10.2-10.9 | 1020-1090 | ≥9.8 | ≥780 | ≥34 | ≥2706 | 25-29 | 199-231 | -0.11 | -0.5 | 200 |
30AH | 10.7-11.3 | 1070-1130 | ≥10.2 | ≥812 | ≥34 | ≥2706 | 27-31 | 215-247 | -0.105 | -0.5 | 200 |
33AH | 11.1-11.7 | 1110-1170 | ≥10.5 | ≥836 | ≥34 | ≥2706 | 30-34 | 239-271 | -0.105 | -0.5 | 200 |
3.Performance range (Demagnetization curve) of products:
Br : from 11.400 Gauss to 14.700 Gauss
Hcj : from 11.000 Oersted to 30.000 Oersted
BH(max) : from 30 MGOe to 52 MGOe
Toys and many other industries and etc.
4.Production flow chart of NdFeB magnet:
5. Applications of the NdFeB magnet
1) Generators, servo motors, DC motors, computer rigid disc drives
2) Loudspeakers, annunciators, linear actuators, microphone assemblies
3) Magnetic separators, automatic mahjong machines
4) Toys and many other industries and etc.