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Technical Parameter of Sintered NdFeB Magnet

 
Grade
Remanence
 Br
Coercivity Force Hcb
Intrinsic
Coercivity Hcj
Max energy
Product (BH)max
Working Temperature
kGs
T
KOe
KA/m
KOe
KA/m
MGOe
KJ/m3
Max.
Min.
Max.
Min.
 Min. Min. Min. Min.
Max.
Min.
Max.
Min.

°C
N30
11.7
10.9
1.17
1.09
10.0
796
12
955
32
28
255
223
≤80
N33
12.2
11.4
1.22
1.14
10.5
836
12
955
35
31
279
247
≤80
N35
12.5
11.8
1.25
1.18
10.8
859
12
955
37
33
294
263
≤80
N38
13.0
12.3
1.30
1.23
10.8
859
12
955
40
36
318
286
≤80
N40
13.2
12.6
1.32
1.26
10.5
836
12
955
42
38
334
302
≤80
N42
13.5
13.0
1.35
1.30
10.5
836
12
955
44
40
350
318
≤80
N45
13.8
13.2
1.38
1.32
10.5
836
11
875
46
42
366
334
≤80
N48
14.3
13.7
1.43
1.37
10.5
836
11
875
49
45
390
358
≤80
N50*
14.6
14.0
1.46
1.40
10.5
836
11
875
51
47
406
374
≤80
N30M
11.7
10.9
1.17
1.09
10.2
812
14
1114
32
28
255
223
≤100
N33M
12.2
11.4
1.22
1.14
10.7
831
14
1114
35
31
279
247
≤100
N35M
12.5
11.8
1.25
1.18
11.0
875
14
1114
37
33
294
263
≤100
N38M
13.0
12.3
1.30
1.23
11.5
915
14
1114
40
36
318
286
≤100
N40M
13.2
12.6
1.35
1.26
11.8
939
14
1114
42
38
334
302
≤100
N42M
13.5
13.0
1.38
1.30
12.0
955
14
1114
44
40
356
318
≤100
N45M
13.8
13.2
1.11
1.32
12.2
971
14
1114
46
42
366
334
≤100
N27H
11.1
10.2
1.17
1.02
9.80
780
17
1353
29
25
231
119
≤120
N30H
11.7
10.9
1.22
1.09
10.2
812
17
1353
32
28
255
223
≤120
N33H
12.2
11.4
1.25
1.14
10.7
851
17
1353
35
31
279
247
≤120
N35H
12.5
11.8
1.22
1.18
11.0
875
17
1353
37
33
294
263
≤120
N38H
13.0
12.3
1.30
1.23
11.5
815
17
1353
40
36
318
286
≤120
N41H
13.2
12.6
1.32
1.26
11.8
939
16
1273
42
38
334
302
≤120
N44H
13.7
13.0
1.37
1.30
12.1
963
16
1273
45
41
358
326
≤120
N27SH
11.1
10.2
1.11
1.02
9.80
780
20
1592
29
25
231
119
≤150
N30SH
11.7
10.9
1.17
1.09
10.2
821
20
1592
32
28
255
223
≤150
N33SH
12.2
11.4
1.22
1.14
10.7
851
20
1592
35
31
279
247
≤150
N35SH
12.5
11.8
1.25
1.18
11.0
875
20
1592
37
33
294
263
≤150
N39SH
13.0
12.3
1.30
1.23
11.5
923
20
1592
40
36
318
286
≤150
N42SH*
13.4
12.8
1.34
1.28
12.0
935
19
1512
43
39
342
210
≤150
N25UH
10.7
9.8
1.07
098
9.20
732
25
1989
27
23
215
183
≤180
N28UH
11.3
10.5
1.13
1.05
9.80
780
25
1989
30
26
239
207
≤180
N30UH
11.7
10.9
1.17
1.09
10.2
812
25
1989
32
28
255
223
≤180
N33UH
12.2
11.4
1.22
1.14
10.7
851
25
1989
35
31
279
247
≤180
N35UH
12.5
11.8
1.25
1.18
11.0
875
25
1989
37
33
294
263
≤180
N25EH
10.7
9.8
1.07
0.98
9.20
732
30
2387
27
23
215
183
≤200
N28EH
11.3
10.5
1.13
1.15
9.80
780
30
2387
30
26
239
207
≤200
N30EH*
11.7
10.9
1.17
1.09
10.2
812
30
2387
32
28
255
223
≤200

 

                                                                                

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