APPLIED MAGNET TECHNOLOGY
 

NdFeB sintered magnets

NdFeB sintered magnets

Magnetic properties of main grades

Grade Residual Induction Coercive Force Intrinsic Coercivity Maximum Energy Product TW
Br BHC IHC (BH)max.
kGs T kOe kA/m kOe kA/m MGOe kJ/m3 ℃
N33 11.3-11.7 1.13-1.17 ≥10.5 ≥836 ≥12 ≥955 31-33 247-263 80
N35 11.7-12.1 1.17-1.21 ≥10.9 ≥868 ≥12 ≥955 33-36 263-287 80
N38 12.1-12.5 1.21-1.25 ≥11.3 ≥899 ≥12 ≥955 36-39 287-310 80
N40 12.5-12.8 1.25-1.28 ≥11.6 ≥923 ≥12 ≥955 38-41 302-326 80
N42 12.8-13.2 1.28-1.32 ≥11.6 ≥923 ≥12 ≥955 40-43 318-342 80
N45 13.2-13.8 1.32-1.38 ≥11.0 ≥876 ≥12 ≥955 43-46 342-366 80
N48 13.8-14.2 1.38-1.42 ≥10.5 ≥835 ≥11 ≥876 46-49 366-390 80
33H 11.3-11.7 1.13-1.17 ≥10.5 ≥836 ≥17 ≥1353 31-34 247-271 120
35H 11.7-12.1 1.17-1.21 ≥10.9 ≥868 ≥17 ≥1353 33-36 263-287 120
38H 12.1-12.5 1.21-1.25 ≥11.3 ≥899 ≥17 ≥1353 36-39 287-310 120
40H 12.4-12.8 1.24-1.28 ≥11.6 ≥923 ≥17 ≥1353 38-41 302-326 120
42H 12.8-13.2 1.28-1.32 ≥12.0 ≥955 ≥17 ≥1353 40-43 318-342 120
33SH 11.3-11.7 1.13-1.17 ≥10.6 ≥844 ≥20 ≥1592 31-34 247-272 150
35SH 11.7-12.1 1.17-1.21 ≥11.0 ≥876 ≥20 ≥1592 33-36 263-287 150
38SH 12.1-12.5 1.21-1.25 ≥11.4 ≥907 ≥20 ≥1592 36-39 287-310 150
40SH 12.4-12.8 1.24-1.28 ≥11.8 ≥939 ≥20 ≥1592 38-41 302-326 150
28UH 10.2-10.8 1.02-1.08 ≥9.6 ≥764 ≥25 ≥1990 26-29 207-231 180
30UH 10.8-11.3 1.08-1.13 ≥10.2 ≥812 ≥25 ≥1990 28-31 223-247 180
33UH 11.3-11.7 1.13-1.17 ≥10.7 ≥852 ≥25 ≥1990 31-34 247-271 180
28EH 10.4-10.9 1.04-1.09 ≥9.8 ≥780 ≥30 ≥2388 26-29 207-231 200
30EH 10.8-11.3 1.08-1.13 ≥10.2 ≥812 ≥30 ≥2388 28-31 223-247 200

Note:
aB - reversible temperature coefficient of induction.

Shapes and sizes available (as standard):
Shapes: Blocks/plates, disks/rods, rings, segments
Two (four) poles
Note: More complicated shapes and any magnetic configuration can be provided by special order.

Standard sizes:

Blocks/plates

 

 Min, mm Max, mm
W 2 70
T 1.5 50
L 1 15

Disks/rods with axial magnetic texture

  Min, mm Max, mm
Dia 5 70
h 1.2 12

Disks/rods with diametrical magnetic texture

  Min, mm Max, mm
Dia 2 12
h 1.2 40

Segments with axial magnetic texture

  Min, mm Max, mm
OD 96 96
ID 48 55
h 5 12
Opening angle, degree 35 45

Segments with diametrical magnetic texture

  Min, mm Max, mm
OD 50 120
ID 32 180
h 8 50
Opening angle, degree 30 60

Rings with axial magnetic texture

  Min, mm Max, mm
OD 5 70
ID 3 26
h 1.2 40

 

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