Rare-earth Neodymium Magnet, Sintered


Strongest magnetic power (Power-Index(1) = 10)
Excellent Cost-to-Performance ratio (Cost-Index(2) = 5~7)
Anisotropic(3)
Produced by powder metallurgical engineering with chemical composition of Nd2Fe14B
Brittle & hard
High resistance to demagnetization
Good temperature stability
Require surface treatment to prevent corrosion


 

Magnetic
Properties

Operating
Temperature
Tw**

Remanence (Residual Flux Density) Br 

Coercive  Force Hcb 

Intrinsic Coercive
Force Hcj 

Max Energy Products
(BH) max   
Grade
°C
kG
T
kOe
kA/m
kOe
kA/m
MGOe
K/J/m3
N30
≤80
10.8~11.2
1.08~1.12
9.8~10.5
780~836
≥12
≥955
28~30
223~239
N33
≤80
11.4~11.7
1.14~1.17
10.3~11.0
820~876
≥12
≥955
31~33
247~263
N35
≤80
11.7~12.1
1.17~1.21
10.8~11.5
760~915
≥12
≥955
33~35
263~279
N38
≤80
12.2~12.6
1.22~1.26
10.8~11.5
860~915
≥12
≥955
36~38
287~303
N40
≤80
12.6~12.9
1.26~1.29
10.5~11.0
836~876
≥12
≥955
38~40
303~318
N43
≤80
13.0~13.3
1.30~1.33
10.5~11.0
836~876
≥12
≥955
41~43
326~342
N45
≤80
13.4~13.7
1.34~1.37
10.5~11.0
836~876
≥12
≥955
43~45
342~355
N30M
≤100
10.8~11.2
1.08~1.12
9.8~10.5
780~836
≥14
≥1114
28~30
233~239
N33M
≤100
11.4~11.7
1.14~1.17
10.3~11.0
820~876
≥14
≥1114
31~33
239~263
N35M
≤100
11.7~12.1
1.17~1.21
10.8~11.5
860~915
≥14
≥1114
33~35
263~279
N38M
≤100
12.2~12.6
1.22~1.26
10.8~11.5
860~915
≥14
≥1114
36~38
287~303
N40M
≤100
12.6~12.9
1.26~1.29
10.8~11.5
860~915
≥14
≥1114
38~40
303~318
N27H
≤120
10.2~10.6
1.02~1.06
9.3~10.0
740~796
≥17
≥1353
25~27
199~215
N30H
≤120
10.8~11.2
1.08~1.12
9.8~10.5
780~836
≥17
≥1353
28~30
223~239
N33H
≤120
11.4~11.7
1.14~1.17
10.3~11.0
820~876
≥17
≥1353
31~33
247~263
N35H
≤120
11.7~12.1
1.17~1.21
10.8~11.5
860~915
≥17
≥1353
33~35
263~279
N38H
≤120
12.2~12.6
1.22~1.26
11.5~12.0
915~955
≥17
≥1353
36~38
287~303
N40H
≤120
12.6~12.9
1.26~1.29
11.5~12.0
915~955
≥17
≥1353
38~40
303~318
N27SH
≤150
10.2~10.6
1.02~1.06
9.3~10.0
740~796
≥20
≥1595
25~27
199~215
N30SH
≤150
10.8~11.2
1.08~1.12
9.8~10.5
780~836
≥20
≥1595
28~30
223~239
N33SH
≤150
11.4~11.7
1.14~1.17
10.3~11.0
740~876
≥20
≥1595
31~33
247~263
N35SH
≤150
11.7~12.1
1.17~1.21
10.8~11.5
860~915
≥20
≥1595
33~35
263~279
N38SH
≤150
12.2~12.6
1.22~1.26
11.0~13.0
875~1035
≥20
≥1580
36~38
287~303
N25UH
≤180
9.8~10.2
0.98~1.02
9.2~9.6
732~764
≥25
≥1990
23~25
183~199
N28UH
≤180
10.4~10.8
1.04~1.08
9.8~10.2
780~812
≥25
≥1990
26~28
207~223
N30UH
≤180
10.8~11.2
1.08~1.12
10.1~10.6
804~844
≥25
≥1990
28~30
223~239
N33UH
≤180
11.4~11.7
1.14~1.17
10.3~11.0
740~876
≥25
≥1990
31~33
247~263
N35UH
≤180
11.7~12.1
1.17~1.21
10.8~11.4
860~907
≥25
≥1989
33~35
263~279
N27EH
≤200
10.2~10.6
1.02~1.06
9.3~10.0
740~796
≥27
≥2130
25~27
199~215
N30EH
≤200
10.8~11.2
1.08~1.12
10.1~10.6
804~844
≥27
≥2130
28~30
223~239
N32EH
≤200
11.2~11.5
1.12~1.15
10.3~11.0
740~876
≥27
≥2130
30~32
239~255
** The open flux irreversible loss at this temperature ≤5% 

 
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