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NdFeB Magnet |
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NdFeB magnet is mainly made of Neodymium,Iron and Boron,with excellent magnetic property,abundant raw material and reasonable prices,NdFeB Magnet can be used as an ideal magnet in mini-motor,Permanent magnetic resonance,sound device magnetic suspension system,magnetic transmission machine and iatrical apparatus and etc.For NdFeB,its surface is usually treatd with some special methods.The surface treatment method include Zine,Nickel,Tin,Silver,Gold plating,Phosphor and Spray Epoxy Resin etc. |
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Grade |
Max Energy Product |
Remanence |
Coercive Force |
Max Working Temp. |
(BH)max |
Br |
Hcb |
Hcj |
Tw |
MGOe |
KJ/m3 |
KGs |
MT |
Koe |
KA/M |
Koe |
KA/M |
℃ |
N35 |
33-36 |
264-288 |
11.9 |
1190 |
>10.9 |
>872 |
>12 |
>960 |
80 |
N38 |
36-39 |
288-312 |
12.3 |
1230 |
>11.3 |
>904 |
>12 |
>960 |
80 |
N40 |
38-41 |
304-328 |
12.7 |
1270 |
>11.6 |
>928 |
>12 |
>960 |
80 |
N42 |
40-43 |
320-344 |
13.0 |
1300 |
>11.6 |
>928 |
>12 |
>960 |
80 |
N45 |
43-46 |
344-368 |
13.5 |
1350 |
>11.0 |
>880 |
>12 |
>960 |
80 |
N48 |
46-49 |
368-392 |
14.0 |
1400 |
>11.0 |
>880 |
>12 |
>960 |
80 |
N50 |
47-51 |
376-408 |
14.2 |
1420 |
>10.5 |
>840 |
>11 |
>880 |
80 |
N52 |
48-53 |
384-424 |
14.5 |
1450 |
>10.5 |
>840 |
>11 |
>880 |
80 |
N33M |
31-33 |
248-264 |
11.5 |
1150 |
>11.0 |
>880 |
>14 |
>1120 |
100 |
N35M |
33-36 |
264-288 |
11.9 |
1190 |
>11.2 |
>896 |
>14 |
>1120 |
100 |
N38M |
36-39 |
288-312 |
12.3 |
1230 |
>11.5 |
>920 |
>14 |
>1120 |
100 |
N40M |
38-41 |
304-328 |
12.7 |
1270 |
>11.8 |
>944 |
>14 |
>1120 |
100 |
N42M |
40-43 |
320-344 |
13.0 |
1300 |
>12.0 |
>960 |
>14 |
>1120 |
100 |
N45M |
43-46 |
344-368 |
13.5 |
1350 |
>12.6 |
>1008 |
>14 |
>1120 |
100 |
N48M |
46.49 |
368-392 |
14.0 |
1400 |
>12.8 |
>1024 |
>14 |
>1120 |
100 |
N50M |
48-51 |
382-406 |
14.3 |
1430 |
>13.0 |
>1033 |
>14 |
>1120 |
100 |
N33H |
31-34 |
248-272 |
11.5 |
1150 |
>10.5 |
>840 |
>17 |
>1360 |
120 |
N35H |
33-36 |
264-288 |
11.9 |
1190 |
>10.9 |
>872 |
>17 |
>1360 |
120 |
N38H |
36-39 |
288-312 |
12.3 |
1230 |
>11.3 |
>904 |
>17 |
>1360 |
120 |
N40H |
38-41 |
304-328 |
12.7 |
1270 |
>11.6 |
>928 |
>17 |
>1360 |
120 |
N42H |
40-43 |
320-344 |
13.0 |
1300 |
>12.0 |
>960 |
>17 |
>1360 |
120 |
N45H |
42-45 |
336-360 |
13.3 |
1330 |
>12.0 |
>960 |
>17 |
>1360 |
120 |
N48H |
46-49 |
366-390 |
14.0 |
1400 |
>12.5 |
>995 |
>17 |
>1360 |
120 |
N33SH |
31-34 |
248-272 |
11.5 |
1150 |
>10.6 |
>848 |
>20 |
>1600 |
150 |
N35SH |
33-36 |
264-288 |
11.9 |
1190 |
>11.0 |
>880 |
>20 |
>1600 |
150 |
N38SH |
36-39 |
288-312 |
12.3 |
1230 |
>11.4 |
>912 |
>20 |
>1600 |
150 |
N40SH |
38-41 |
304-328 |
12.7 |
1270 |
>11.8 |
>944 |
>20 |
>1600 |
150 |
N42SH |
40-43 |
320-344 |
13.0 |
1300 |
>12.0 |
>960 |
>20 |
>1600 |
150 |
N45SH |
43-46 |
342-366 |
13.5 |
1350 |
>12.6 |
>1003 |
>20 |
>1600 |
150 |
N28UH |
26-29 |
208-232 |
10.6 |
1060 |
>9.6 |
>768 |
>25 |
>2000 |
180 |
N30UH |
28-31 |
224-248 |
11.0 |
1100 |
>10.2 |
>916 |
>25 |
>2000 |
180 |
N33UH |
31-34 |
248-272 |
11.5 |
1150 |
>10.7 |
>856 |
>25 |
>2000 |
180 |
N35UH |
33-36 |
264-288 |
11.9 |
1190 |
>11.1 |
>888 |
>25 |
>2000 |
180 |
N38UH |
36-39 |
288-312 |
12.3 |
1230 |
>11.5 |
>920 |
>25 |
>2000 |
180 |
N40UH |
38-41 |
302-326 |
12.6 |
1260 |
>11.5 |
>920 |
>25 |
>2000 |
180 |
N28EH |
26-29 |
208-232 |
10.6 |
1060 |
>9.8 |
>784 |
>30 |
>2400 |
200 |
N30EH |
28-31 |
224-248 |
11.0 |
1100 |
>10.2 |
>816 |
>30 |
>2400 |
200 |
N33EH |
31-34 |
248-271 |
11.5 |
1150 |
>10.5 |
>836 |
>30 |
>2400 |
200 |
N35EH |
33-36 |
263-287 |
12.0 |
1200 |
>11.0 |
>876 |
>30 |
>2400 |
200 |
N38EH |
36-39 |
287-310 |
12.4 |
1240 |
>11.3 |
>899 |
>30 |
>2400 |
200 |
N28AH |
26-28 |
207-223 |
10.8 |
1080 |
>9.8 |
>780 |
>35 |
>2785 |
220 |
N30AH |
28-30 |
223-239 |
11.2 |
1120 |
>10.1 |
>804 |
>35 |
>2785 |
220 |
N33AH |
31-33 |
247-263 |
11.5 |
1150 |
>10.6 |
>844 |
>35 |
>2785 |
220 |
N35AH |
33-35 |
263-279 |
11.9 |
1190 |
>11.0 |
>875 |
>35 |
>2785 |
220 |
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Physical Properties of Neodymium‐Iron‐Boron(NdFeB) |
Remanence |
1.1-1.5T |
Coercivity |
0.875-2.79MA/m |
Relative Permeability |
1.05 |
Temperature Coefficient of Remanence(Br) |
-0.09~-0.12%/K |
Temperature Coefficient of Coercivity(Hcj) |
-0.50~-0.65%/K |
Density |
7.3-7.5g/cm³ |
CTE,Magnetizing Direction |
5.2x10-6%/K |
Flexural Strength |
250N/mm² |
Compressive Strength |
1100N/mm² |
Tensile Strength |
75N/mm² |
Vickers Hardness |
550-650Hv |
Electrical Resistivity |
(110-170)x10-6 n.cm |
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NDFEB HOLDING ASSEMBLY |
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FERRITE HOLDING ASSEMBLY |
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SMCO HOLDING ASSEMBLY |
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ALNICO HOLDING ASSEMBLY |
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ADD: 3# Maojiacao Industrial area, |
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Neodymium Magnet |
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Shounan Street,Ningbo,China |
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