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Sintered NdFeB
Neodymium Iron Boron(Nd-Fe-B), the most powerful Rare Earth magnets available today, possesses high energy ranging from 8 MGOe to 64MGOe and wonderful coercive force. As the third generation of Rare Earth permanent magnet, NdFeB products are less brittle than SmCo, Nd-Fe-B magnet is widely used in motor, instrument, aviation and the hightech field.
 
Process Flow of Nd-Fe-B
 
STADNDARD SPECIFICATIONS FOR XINXIN'S Nd-Fe-B MAGNETS
剩磁
Remanence
Br
矫顽力
Coercive force
bHc
内禀矫顽力Intrinsic coercive force iHc
最大磁能面积
Maximum energy product
(BH)max
工作温度Working temperature Tw(L/D-0.7, Cylinder)
kGs
T
kOe
kA/m
kOe
kA/m
MGOe
kJ/m
℃
标称值
最小值
标称值
最小值
标称值
最小值
标称值
最小值
标称值
最小值
标称值
最小值
Nom.
Min.
Nom.
Min.
Nom.
Min.
Nom.
Min.
Nom.
Min.
Nom.
Min.
1
N30
11.2
10.8
1.12
1.08
10.5
9.8
836
780
≥12
≥955
30
28
239
223
≤80
2
N33
11.7
11.4
1.17
1.14
11.0
10.3
876
820
≥12
≥955
33
31
263
247
≤80
3
N35
12.1
11.7
1.21
1.17
11.5
10.8
915
860
≥12
≥955
35
33
279
263
≤80
4
N38
12.6
12.2
1.26
1.22
11.5
10.8
915
860
≥12
≥955
38
36
303
287
≤80
5
N40
12.9
12.6
1.29
1.26
11.0
10.5
876
836
≥12
≥955
40
38
318
303
≤80
6
N43
13.3
13.0
1.33
1.30
11.0
10.5
876
836
≥12
≥955
43
41
342
326
≤80
7
N45
13.7
13.3
1.37
1.33
11.0
10.5
876
836
≥12
≥955
45
43
358
342
≤80
8
N48
14.0
13.7
1.40
1.37
11.0
10.5
876
836
≥12
≥955
48
45
374
358
≤80
9
N50
14.6
14.0
1.46
1.40
11.0
10.5
876
836
≥12
≥955
51
47
390
358
≤80
10
N52
14.8
14.3
1.48
1.43
11.0
10.5
876
836
≥12
≥955
53
50
422
398
≤80
11
N30M
11.2
10.8
1.12
1.08
10.5
9.8
836
780
≥14
≥1114
30
28
239
223
≤100
12
N33M
11.7
11.4
1.17
1.14
11.0
10.3
876
820
≥14
≥1114
33
31
263
247
≤100
13
N35M
12.1
11.7
1.21
1.17
11.5
10.8
915
860
≥14
≥1114
35
33
279
263
≤100
14
N38M
12.6
12.2
1.26
1.22
11.5
10.8
915
860
≥14
≥1114
38
36
303
287
≤100
15
N40M
12.9
12.6
1.29
1.26
11.5
10.8
915
860
≥14
≥1114
40
38
318
303
≤100
16
N42M
13.2
12.9
1.32
1.29
11.5
10.8
915
860
≥14
≥1114
42
40
342
326
≤100
17
N45M
13.7
13.2
1.37
1.32
11.5
10.8
915
860
≥14
≥1114
45
42
358
342
≤100
18
N48M
14.3
13.7
1.43
1.37
11.5
10.8
915
860
≥14
≥1114
49
45
390
358
≤100
19
N50M
14.5
14.0
1.45
1.40
11.5
10.8
915
860
≥14
≥1114
51
48
406
382
≤100
20
N27H
10.6
10.2
1.06
1.02
10.0
9.3
796
740
≥17
≥1353
27
25
315
199
≤120
21
N30H
11.2
10.8
1.12
1.08
10.5
9.8
836
780
≥17
≥1353
30
28
239
223
≤120
22
N33H
11.7
11.4
1.17
1.14
11.0
10.3
876
820
≥17
≥1353
33
31
263
247
≤120
23
N35H
12.1
11.7
1.21
1.17
11.5
10.8
915
860
≥17
≥1353
35
33
279
263
≤120
24
N38H
12.6
12.2
1.26
1.22
12.0
11.5
955
915
≥17
≥1353
38
36
303
287
≤120
25
N40H
12.9
12.6
1.29
1.26
12.0
11.5
955
915
≥17
≥1353
40
38
318
303
≤120
26
N42H
13.2
12.9
1.32
1.29
12.0
11.5
955
915
≥17
≥1353
42
40
342
326
≤120
27
N45H
13.6
13.0
1.36
1.30
12.0
11.5
955
915
≥17
≥1353
46
43
358
326
≤120
28
N48H
14.3
13.7
1.43
1.37
12.0
11.5
955
915
≥17
≥1353
49
46
390
366
≤120
29
N27SH
10.6
10.2
1.06
1.02
10.0
9.3
796
740
≥20
≥1595
27
25
315
199
≤150
30
N30SH
11.2
10.8
1.12
1.08
10.5
9.8
836
780
≥20
≥1595
30
28
239
223
≤150
31
N33SH
11.7
11.4
1.17
1.14
11.0
10.3
876
820
≥20
≥1595
33
31
263
247
≤150
32
N35SH
12.1
11.7
1.21
1.17
11.5
10.8
915
860
≥20
≥1595
35
33
279
263
≤150
33
N38SH
12.6
12.2
1.29
1.22
12.0
11.7
955
930
≥20
≥1595
38
36
302
286
≤150
34
N40SH
12.9
12.6
1.29
1.26
12.0
11.7
1011
955
≥20
≥1595
40
38
318
303
≤150
35
N42SH
13.2
12.9
1.32
1.29
12.0
11.7
1011
955
≥20
≥1595
42
40
342
326
≤150
36
N45SH
13.8
13.2
1.38
1.32
12.0
11.7
1011
955
≥20
≥1595
46
43
366
342
≤150
37
N25UH
10.2
9.8
1.02
0.98
9.6
9.2
764
732
≥25
≥1990
25
23
199
183
≤180
38
N28UH
10.8
10.4
1.08
1.04
10.2
9.8
812
780
≥25
≥1990
28
26
223
207
≤180
39
N30UH
11.2
10.8
1.12
1.08
10.6
10.1
844
804
≥25
≥1990
30
28
239
223
≤180
40
N33UH
11.7
11.4
1.17
1.14
11.0
10.4
876
844
≥25
≥1990
33
30
263
247
≤180
41
N35UH
12.1
11.7
1.21
1.17
11.5
10.8
915
860
≥25
≥1990
35
33
279
263
≤180
42
N38UH
12.6
12.2
1.26
1.22
12.0
11.7
955
930
≥25
≥1990
38
33
302
280
≤180
43
N40UH
12.8
12.5
1.28
1.25
12.0
11.7
955
930
≥25
≥1990
41
38
326
302
≤180
44
N30EH
11.2
10.8
1.12
1.08
10.6
10.1
844
804
≥30
≥2229
30
28
239
223
≤200
45
N33EH
11.7
11.4
1.17
1.14
11.0
10.4
876
844
≥30
≥2229
33
30
263
247
≤200
46
N35EH
12.1
11.7
1.21
1.17
11.5
10.8
915
860
≥30
≥2229
35
33
279
263
≤200
47
N38EH
12.5
12.2
1.25
1.22
11.5
10.8
915
860
≥30
≥2229
39
36
310
287
≤200
48
N30AH
11.2
10.8
1.12
1.08
10.6
10.1
844
804
≥35
≥2786
30
28
239
223
≤230
49
N33AH
11.7
11.4
1.17
1.14
11.0
10.4
876
844
≥35
≥2786
33
30
263
247
≤230
50
N35AH
12.1
11.7
1.21
1.17
11.5
10.8
915
860
≥35
≥2786
35
33
279
263
≤230
 
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