Surfact coating: Phosphatization, NdFeB magnets need to be coated for anti corrosi
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Magnetic characteristics of sintered NdFeb
GRADE
(Br)
(bHc)
(iHc)
(BH)max
T
KGs
KA/m
KOe
KA/m
KOe
KJ/m3
MGOe
Tw ℃
N35
1.18-1.23
11.8-12.3
≥868
≥10.9
≥955
≥12
263-287
33-36
≤80
N38
1.22-1.28
12.2-12.8
≥899
≥11.3
≥955
≥12
287-310
36-39
≤80
N40
1.26-1.31
12.6-13.1
≥923
≥11.6
≥955
≥12
302-326
38-41
≤80
N42
1.28-1.34
12.8-13.4
≥923
≥11.6
≥955
≥12
318-342
40-43
≤80
N45
1.32-1.37
13.2-13.7
≥876
≥11.0
≥955
≥12
342-366
43-46
≤80
N48
1.36-1.42
13.6-14.2
≥836
≥10.5
≥876
≥11
358-390
45-48
≤80
N50
1.39-1.45
13.9-14.5
≥836
≥10.5
≥876
≥11
374-406
47-51
≤80
N52
1.42-1.48
14.2-14.8
≥796
≥10.0
≥876
≥11
390-422
49-53
≤80
N35M
1.18-1.23
11.8-12.3
≥868
≥10.9
≥1114
≥14
263-287
33-36
≤100
N38M
1.22-1.28
12.2-12.8
≥899
≥11.3
≥1114
≥14
287-310
36-39
≤100
N40M
1.26-1.31
12.6-13.1
≥923
≥11.6
≥1114
≥14
302-326
38-41
≤100
N42M
1.28-1.34
12.8-13.4
≥923
≥11.6
≥1114
≥14
318-342
40-43
≤100
N45M
1.34-1.39
13.4-13.9
≥876
≥11.0
≥1114
≥14
342-366
43-46
≤100
N48M
1.36-1.42
13.6-14.2
≥876
≥11.0
≥1114
≥14
366-390
46-49
≤100
N35H
1.18-1.23
11.8-12.3
≥868
≥10.9
≥1353
≥17
263-287
33-36
≤120
N38H
1.22-1.28
12.2-12.8
≥899
≥11.3
≥1353
≥17
287-310
36-39
≤120
N40H
1.26-1.31
12.6-13.1
≥923
≥11.6
≥1353
≥17
302-326
38-41
≤120
N42H
1.28-1.34
12.8-13.4
≥923
≥11.6
≥1353
≥17
318-342
40-43
≤120
N45H
1.33-1.39
13.3-13.9
≥923
≥11.6
≥1353
≥17
342-366
43-46
≤120
N48H
1.36-1.42
13.6-14.2
≥923
≥11.6
≥1274
≥16
366-390
46-49
≤120
N33SH
1.14-1.19
11.4-11.9
≥836
≥10.5
≥1592
≥20
247-270
31-34
≤150
N35SH
1.18-1.23
11.8-12.3
≥868
≥10.9
≥1592
≥20
263-287
33-36
≤150
N38SH
1.22-1.28
12.2-12.8
≥899
≥11.3
≥1592
≥20
287-310
36-39
≤150
N40SH
1.26-1.31
12.6-13.1
≥923
≥11.6
≥1592
≥20
302-326
38-41
≤150
N42SH
1.28-1.34
12.8-13.4
≥923
≥11.6
≥1592
≥20
318-342
40-43
≤150
N45SH
1.33-1.39
13.3-13.9
≥923
≥11.6
≥1592
≥20
342-366
43-46
≤150
N28UH
1.03-1.09
10.3-10.9
≥780
≥9.80
≥1990
≥25
207-231
26-29
≤180
N30UH
1.09-1.14
10.9-11.4
≥812
≥10.2
≥1990
≥25
223-247
28-31
≤180
N33UH
1.13-1.17
11.3-11.7
≥852
≥10.7
≥1990
≥25
247-263
31-33
≤180
N35UH
1.18-1.22
11.8-12.2
≥868
≥10.9
≥1990
≥25
263-287
33-36
≤180
N38UH
1.22-1.27
12.2-12.7
≥899
≥11.3
≥1990
≥25
287-310
36-39
≤180
N28EH
1.03-1.09
10.3-10.9
≥780
≥9.80
≥2388
≥30
207-231
26-29
≤200
N30EH
1.08-1.13
10.8-11.3
≥812
≥10.2
≥2388
≥30
223-247
28-31
≤200
N33EH
1.13-1.17
11.3-11.7
≥852
≥10.7
≥2388
≥30
247-263
31-33
≤200
N35EH
1.18-1.22
11.8-12.2
≥868
≥10.9
≥2388
≥30
263-287
33-36
≤200
N28AH
1.03-1.09
10.3-10.9
≥780
≥9.80
≥2786
≥35
207-231
26-29
≤220
N30AH
1.08-1.13
10.8-11.3
≥812
≥10.2
≥2786
≥35
223-247
28-31
≤220
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Category: NdFeB Magnet