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Bonded NdFeB Magnet
Magnetic properties of Sintered NdFeB magnet:
Grade |
Remanence | Coercive Force | Intrinsic Coercive Force | Max. energy product | Max. Operating Temperature |
Br |
Hcb |
Hcj |
£¨ BH £©max
kJ/m3 |
Tw |
|
N35 |
1170-1220 |
|
|
263-287 |
80 |
N38 |
1220-1250 |
|
|
287-310 |
80 |
N40 |
1250-1280 |
|
|
302-326 |
80 |
N42 |
1280-1320 |
|
|
318-342 |
80 |
N45 |
1320-1380 |
|
|
342-366 |
80 |
N48 |
1380-1420 |
|
|
366-390 |
80 |
N50 |
1400-1450 |
|
|
382-406 |
60 |
N52 |
1430-1480 |
|
|
398-422 |
60 |
30M |
1080-1130 |
|
|
223-247 |
100 |
33M |
1130-1170 |
|
|
247-263 |
100 |
35M |
1170-1220 |
|
|
263-287 |
100 |
38M |
1220-1250 |
|
|
287-310 |
100 |
40M |
1250-1280 |
|
|
302-326 |
100 |
42M |
1280-1320 |
|
|
318-342 |
100 |
45M |
1320-1380 |
|
|
342-366 |
100 |
48M |
1360-1430 |
|
|
366-390 |
100 |
50M |
1400-1450 |
|
|
382-406 |
100 |
30H |
1080-1130 |
|
|
223-247 |
120 |
33H |
1130-1170 |
|
|
247-271 |
120 |
35H |
1170-1220 |
|
|
263-287 |
120 |
38H |
1220-1250 |
|
|
287-310 |
120 |
40H |
1250-1280 |
|
|
302-326 |
120 |
42H |
1280-1320 |
|
|
318-342 |
120 |
45H |
1300-1360 |
|
|
326-358 |
120 |
48H |
1370-1430 |
|
|
366-390 |
120 |
30SH |
1080-1130 |
|
|
223-247 |
150 |
33SH |
1130-1170 |
|
|
247-271 |
150 |
35SH |
1170-1220 |
|
|
263-287 |
150 |
38SH |
1220-1250 |
|
|
287-310 |
150 |
40SH |
1240-1280 |
|
|
302-326 |
150 |
42SH |
1280-1320 |
|
|
318-342 |
150 |
45SH
|
1320-1380 |
|
|
342-366 |
150 |
28UH |
1020-1080 (10.2-10.8) |
|
|
207-231 |
180 |
30UH |
1080-1130 (10.8-11.3) |
|
|
223-247 |
180 |
33UH |
1130-1170 |
|
|
247-271 |
180 |
35UH |
1180-1220 |
|
|
263-287 |
180 |
38UH |
1220-1250 |
|
|
287-310 |
180 |
40UH |
1240-1280 |
|
|
302-326 |
180 |
28EH |
1040-1090 |
|
|
207-231 |
200 |
30EH |
1080-1130 (10.8-11.3) |
|
|
223-247 |
200 |
33EH |
1130-1170 |
|
|
247-271 |
200 |
35EH |
1170-1220 |
|
|
263-287 |
200 |
38EH
|
1220-1250 |
|
|
287-310 |
200 |
Physical and Mechanical Properties of Sintered NdFeB magnet :
Thermal Conductivity |
7.7 kcal/m-h-¡ãC |
Young¡¯s Modulus |
1.7 x 104 kg/mm2 |
Bending Strength |
24 kg/mm2 |
Compressive Strength |
80 kg/mm2 |
Electrical Resistivity |
160 µ-ohm-cm/cm2 |
Density |
7.4-7.55 g/cm3 |
Vickers Hardness |
500 - 600 |

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