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Magnetic Properties Of Bonded NdFeB Materials
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|
Grade no. |
Max. Energy Product (BH)max |
Residual Induction Br |
Coercive Force Hc |
Intrinsic Coercive Force Hci |
(MGOe) |
(KJ/m3) |
(k/gauss) |
(mT) |
(k/oesteds) |
(kA/m) |
(k/oersteds) |
(kA/m) |
| BN-4 |
3-4 |
24-32 |
3.5-4.5 |
350-450 |
3.0-3.5 |
240-280 |
8-10 |
640-800 |
| BN-6 |
5-7 |
40-56 |
6.0-6.0 |
500-600 |
4.0-4.5 |
320-360 |
8-10 |
640-800 |
| BN-8 |
7.5-8.5 |
60-68 |
5.5-6.0 |
550-600 |
4.5-5.0 |
360-400 |
12-14 |
960-1120 |
| BN-10 |
9-10 |
72-80 |
6.5-7.0 |
650-700 |
5.0-5.5 |
400-440 |
8-10 |
640-800 |
| BN-12 |
10-12 |
80-96 |
7.0-8.0 |
700-800 |
5.5-6.0 |
440-480 |
9-11 |
720-880 |
| BN-L |
4.5-6.5 |
36-52 |
7.0-8.0 |
700-800 |
2.0-2.5 |
160-200 |
2.2-3.0 |
175-240 |
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Physical Properties Of Bonded NdFeB Materials |
|
Grade no.
|
Density |
Tensile Strength
|
Transverse Modulus of Rupture
|
Hardness (Rockwell C)
|
Coefficient of Thermal Expansion 10-6 per °C |
Electrical ResistivelyOhm-cm x 10-6 (at 20 °C) |
| lbs/in3 |
g/cm3 |
psi |
Pa x 106 |
psi |
Pa x 106 |
| BN-4 |
|
5.8-6.2 |
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| BN-6 |
|
5.8-6.2 |
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| BN-8 |
|
5.8-6.2 |
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| BN-10 |
|
5.8-6.2 |
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| BN-12 |
|
5.7-6.1 |
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| BN-L |
|
5.7-6.1 |
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Thermal Properties Of Bonded NdFeB Materials |
|
Grade no.
|
Reversible
Temperature Coefficient
% Change per °C
|
Curie
Temperature
|
Max. Service
Temperature
|
|
Near Br
|
Near Max. Energy Prod. |
Hc |
°F |
°C |
°F |
°C |
| BN-4 |
0.130 |
|
0.40 |
|
320 |
|
120 |
| BN-6 |
0.083 |
|
0.35 |
|
329 |
|
120 |
| BN-8 |
0.070 |
|
0.35 |
|
470 |
|
150 |
| BN-10 |
0.070 |
|
0.35 |
|
470 |
|
150 |
| BN-12 |
0.050 |
|
0.35 |
|
320 |
|
80 |
| BN-L |
0.050 |
|
0.35 |
|
320 |
|
80 |
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Note: The information contained in this technical data sheet is only intended to inform the reader. Hua Xing Manufacturing Co Ltd can not be held responsible for any misapplication or misjudgment resulting from the use of the information. |
