NdFeB

SmCo

Alnico

Ferrite or Ceramic

Rubber Magnets

The Magnetic Apparatus

NdFeB

Sintering NdFeB Bonded NdFeB

Brief introduction

NdFeBthe third generation of rare earth permanent magnet, has the high romance, high coercive force, high energy product and high performance/cost ratio. It is easily formed into various shapes and sizes and widely used in many fields such as aviation, electronics, instruments, meters, motors, medical instruments and the like.

Sintering NdFeB

No. Unit SIUnit CGS Unit
Br 
T
 Hcb
kA/m
 Hcj
KA/m
(BH)max
KJ/m3
 Br,KGS Hcb,KOe Hcj,kOe (BH)max
MGOe-Refer

%

working temperature
  Normal
NdFeB
Remanence Coercive Force Intrinsic Coercivity Max Energy Magnetic Remanence Coercive Force Intrinsic Coercivity Max Energy Magnetic Hk/HcJ when Pc=2
  Grade min.-max. min.       min. min.-max. min.-max. min. min. min.-max. min. typical
1 N35 1.18-1.23 876 960 263-287 11.8-12.3 11.0 12.0 33-36 95 80
2 N38 1.23-1.26 876 960 287-310 12.3-12.6 11.0 12.0 36-39 95 80
3 N40 1.26-1.29 876 960 302-326 12.6-12.9 11.0 12.0 38-41 95 80
4 N42 1.29-1.33 876 960 318-342 12.9-13.3 11.0 12.0 40-43 95 80
5 N45 1.33-1.37 876 960 342-368 13.3-13.7 11.0 12.0 43-46 95 80
6 N48 1.37-1.41 876 960 358-390 13.7-14.1 11.0 12.0 45-49 95 80
7 N50 1.40-1.44 876 960 374-406 14.0-14.4 11.0 12.0 47-51 95 80
8 N52 1.42-1.46 876 960 390-422 14.2-14.6 11.0 12.0 49-53 95 80
9 N54 1.45-1.50 836 875 406-438 14.5-15.0 10.5 11.0 51-55 95 70
10 N35M 1.18-1.23 892 1114 263-287 11.8-12.3 11.2 14.0 33-36 95 100
11 N38M 1.23-1.26 915 1114 287-310 12.3-12.6 11.5 14.0 36-39 95 100
12 N40M 1.26-1.29 939 1114 302-326 12.6-12.9 11.8 14.0 38-41 95 100
13 N42M 1.29-1.33 955 1114 318-342 12.9-13.3 12.0 14.0 40-43 95 100
14 N45M 1.33-1.37 971 1114 342-366 13.3-13.7 12.2 14.0 43-46 95 100
15 N48M 1.37-1.41 1011 1114 358-390 13.7-14.1 12.7 14.0 45-49 95 100
16 N50M 1.40-1.44 1035 1114 374-406 14.0-14.4 13.0 14.0 47-51 95 100
17 N52 M 1.43-1.48 1019 1114 390-422 14.3-14.8 12.8 14.0 49-53 95 100
18 N33H 1.14-1.18 860 1353 247-271 11.4-11.8 10.8 17.0 31-34 95 120
19 N35H 1.18-1.23 876 1353 263-287 11.8-12.3 11.0 17.0 33-36 95 120
20 N38H 1.23-1.26 915 1353 287-310 12.3-12.6 11.5 17.0 36-39 95 120
21 N40H 1.26-1.29 939 1353 302-326 12.6-12.9 11.8 17.0 34-41 95 120
22 N42H 1.29-1.33 971 1353 318-342 12.9-13.3 12.2 17.0 40-43 95 120
23 N45H 1.33-1.37 1003 1353 342-366 13.3-13.7 12.6 17.0 43-46 95 120
24 N48H 1.37-1.41 1019 1274 358-390 13.7-14.1 12.8 16.0 45-49 95 110
25 N50H 1.40-1.44 1035 1274 374-406 14.0-14.4 13.0 16.0 47-51 95 110
26 N30SH 1.09-1.15 820 1592 223-247 10.9-11.5 10.3 20.0 28-31 90 150
27 N33SH 1.14-1.18 852 1592 247-271 11.4-11.8 10.7 20.0 31-34 90 150
28 N35SH 1.18-1.23 884 1592 263-287 11.8-12.3 11.1 20.0 33-36 90 150
29 N38SH 1.23-1.26 923 1592 287-310 12.3-12.6 11.6 20.0 36-39 90 150
30 N40SH 1.26-1.29 939 1592 302-326 12.6-12.9 11.8 20.0 38-41 90 150
31 N42SH 1.29-1.33 971 1592 318-342 12.9-13.3 12.2 20.0 40-43 90 150
32 N45SH 1.33-1.37 1003 1592 342-366 13.3-13.7 12.6 20.0 43-46 90 150
33 N48SH 1.37-1.41 1019 1512 358-390 13.7-14.1 12.8 19.0 45-49 90 150
34 N50SH 1.39-1.43 1035 1512 374-406 13.9-14.3 13.0 19.0 47-51 90 150
35 N30UH 1.09-1.15 812 1990 223-247 10.9-11.5 10.2 25.0 28-31 90 180
36 N33UH 1.14-1.18 860 1990 247-271 11.4-11.8 10.8 25.0 31-34 90 180

copyright © 2021 NINGBO HONGJI MAGNETIC MATERIAL CO., LTD. All Rights Reserved