Magnetic Properties for Sintered NdFeB Magnets
Grade |
Residual Induction |
Coercivity |
Intrinsic Coercivity |
Maximum Energy Product |
Density |
Temp. Coefficient 20-150 °C |
Curie Temp. |
Maximum Operating Temp. |
Br |
Hcb |
Hcj |
(BH )max |
D |
α (Br) |
β(Hcj) |
Tc |
Tw |
T |
kG |
kA/m |
kOe |
kA/m |
kOe |
kJ/m3 |
MGOe |
g/cm3 |
%/°C |
%/°C |
°C |
°C |
N35 |
1.17-1.22 |
11.7-12.2 |
>868 |
>10.9 |
>955 |
>12 |
263-287 |
33-36 |
7.5 |
-0.12 |
-0.62 |
310 |
80 |
N38 |
1.22-1.25 |
12.2-12.5 |
>899 |
>11.3 |
>955 |
>12 |
287-310 |
36-39 |
7.5 |
-0.12 |
-0.62 |
310 |
80 |
N40 |
1.25-1.28 |
12.5-12.8 |
>907 |
>11.4 |
>955 |
>12 |
302-326 |
38-41 |
7.5 |
-0.12 |
-0.62 |
310 |
80 |
N42 |
1.28-1.32 |
12.8-13.2 |
>915 |
>11.5 |
>955 |
>12 |
318-342 |
40-43 |
7.5 |
-0.12 |
-0.62 |
310 |
80 |
N45 |
1.32-1.38 |
13.2-13.8 |
>923 |
>11.6 |
>955 |
>12 |
342-366 |
43-46 |
7.5 |
-0.12 |
-0.62 |
310 |
80 |
N48 |
1.38-1.42 |
13.8-14.2 |
>923 |
>11.6 |
>955 |
>12 |
366-390 |
46-49 |
7.5 |
-0.12 |
-0.62 |
310 |
80 |
N50 |
1.40-1.45 |
14.0-14.5 |
>796 |
>10.0 |
>876 |
>11 |
382-406 |
48-51 |
7.5 |
-0.12 |
-0.62 |
310 |
80 |
N52 |
1.43-1.48 |
14.3-14.8 |
>796 |
>10.0 |
>876 |
>11 |
398-422 |
50-53 |
7.5 |
-0.12 |
-0.62 |
310 |
80 |
33M |
1.13-1.17 |
11.3-11.7 |
>836 |
>10.5 |
>1114 |
>14 |
247-271 |
31-34 |
7.5 |
-0.11 |
-0.60 |
320 |
100 |
35M |
1.17-1.22 |
11.7-12.2 |
>868 |
>10.9 |
>1114 |
>14 |
263-287 |
33-36 |
7.5 |
-0.11 |
-0.60 |
320 |
100 |
38M |
1.22-1.25 |
12.2-12.5 |
>899 |
>11.3 |
>1114 |
>14 |
287-310 |
36-39 |
7.5 |
-0.11 |
-0.60 |
320 |
100 |
40M |
1.25-1.28 |
12.5-12.8 |
>923 |
>11.6 |
>1114 |
>14 |
302-326 |
38-41 |
7.5 |
-0.11 |
-0.60 |
320 |
100 |
42M |
1.28-1.32 |
12.8-13.2 |
>955 |
>12.0 |
>1114 |
>14 |
318-342 |
40-43 |
7.5 |
-0.11 |
-0.60 |
320 |
100 |
45M |
1.32-1.38 |
13.2-13.8 |
>995 |
>12.5 |
>1114 |
>14 |
342-366 |
43-46 |
7.5 |
-0.11 |
-0.60 |
320 |
100 |
48M |
1.36-1.43 |
13.6-14.3 |
>1027 |
>12.9 |
>1114 |
>14 |
366-390 |
46-49 |
7.5 |
-0.11 |
-0.60 |
320 |
100 |
50M |
1.40-1.45 |
14.0-14.5 |
>1033 |
>13.0 |
>1114 |
>14 |
382-406 |
48-51 |
7.5 |
-0.11 |
-0.60 |
320 |
100 |
33H |
1.13-1.17 |
11.3-11.7 |
>836 |
>10.5 |
>1353 |
>17 |
247-271 |
31-34 |
7.5 |
-0.11 |
-0.58 |
320 |
120 |
35H |
1.17-1.22 |
11.7-12.2 |
>868 |
>10.9 |
>1353 |
>17 |
263-287 |
33-36 |
7.5 |
-0.11 |
-0.58 |
320 |
120 |
38H |
1.22-1.25 |
12.2-12.5 |
>899 |
>11.3 |
>1353 |
>17 |
287-310 |
36-39 |
7.5 |
-0.11 |
-0.58 |
320 |
120 |
40H |
1.25-1.28 |
12.5-12.8 |
>923 |
>11.6 |
>1353 |
>17 |
302-326 |
38-41 |
7.5 |
-0.11 |
-0.58 |
320 |
120 |
42H |
1.28-1.32 |
12.8-13.2 |
>955 |
>12.0 |
>1353 |
>17 |
318-342 |
40-43 |
7.5 |
-0.11 |
-0.58 |
320 |
120 |
45H |
1.32-1.36 |
13.2-13.6 |
>963 |
>12.1 |
>1353 |
>17 |
326-358 |
43-46 |
7.5 |
-0.11 |
-0.58 |
320 |
120 |
48H |
1.36-1.43 |
13.6-14.3 |
>995 |
>12.5 |
>1353 |
>17 |
366-390 |
46-49 |
7.5 |
-0.11 |
-0.58 |
320 |
120 |
33SH |
1.13-1.17 |
11.3-11.7 |
>844 |
>10.6 |
>1592 |
>20 |
247-271 |
31-34 |
7.5 |
-0.11 |
-0.55 |
330 |
150 |
35SH |
1.17-1.22 |
11.7-12.2 |
>876 |
>11.0 |
>1592 |
>20 |
263-287 |
33-36 |
7.5 |
-0.11 |
-0.55 |
330 |
150 |
38SH |
1.22-1.25 |
12.2-12.5 |
>907 |
>11.4 |
>1592 |
>20 |
287-310 |
36-39 |
7.5 |
-0.11 |
-0.55 |
330 |
150 |
40SH |
1.25-1.28 |
12.5-12.8 |
>939 |
>11.8 |
>1592 |
>20 |
302-326 |
38-41 |
7.5 |
-0.11 |
-0.55 |
330 |
150 |
42SH |
1.28-1.32 |
12.8-13.2 |
>987 |
>12.4 |
>1592 |
>20 |
318-342 |
40-43 |
7.5 |
-0.11 |
-0.55 |
330 |
150 |
45SH |
1.32-1.38 |
13.2-13.8 |
>1003 |
>12.6 |
>1592 |
>20 |
342-366 |
43-46 |
7.5 |
-0.11 |
-0.55 |
330 |
150 |
28UH |
1.02-1.08 |
10.2-10.8 |
>764 |
>9.6 |
>1990 |
>25 |
207-231 |
26-29 |
7.5 |
-0.10 |
-0.55 |
340 |
180 |
30UH |
1.08-1.13 |
10.8-11.3 |
>812 |
>10.2 |
>1990 |
>25 |
223-247 |
28-31 |
7.5 |
-0.10 |
-0.55 |
340 |
180 |
33UH |
1.13-1.17 |
11.3-11.7 |
>852 |
>10.7 |
>1990 |
>25 |
247-271 |
31-34 |
7.5 |
-0.10 |
-0.55 |
340 |
180 |
35UH |
1.17-1.22 |
11.7-12.2 |
>860 |
>10.8 |
>1990 |
>25 |
263-287 |
33-36 |
7.5 |
-0.10 |
-0.55 |
340 |
180 |
38UH |
1.22-1.25 |
12.2-12.5 |
>876 |
>11.0 |
>1990 |
>25 |
287-310 |
36-39 |
7.5 |
-0.10 |
-0.55 |
340 |
180 |
40UH |
1.25-1.28 |
12.5-12.8 |
>899 |
>11.3 |
>1990 |
>25 |
302-326 |
38-41 |
7.5 |
-0.10 |
-0.55 |
340 |
180 |
28EH |
1.04-1.09 |
10.4-10.9 |
>780 |
>9.8 |
>2388 |
>30 |
207-231 |
26-29 |
7.5 |
-0.10 |
-0.55 |
360 |
200 |
30EH |
1.08-1.13 |
10.8-11.3 |
>812 |
>10.2 |
>2388 |
>30 |
223-247 |
28-31 |
7.5 |
-0.10 |
-0.55 |
360 |
200 |
33EH |
1.13-1.17 |
11.3-11.7 |
>836 |
>10.5 |
>2388 |
>30 |
247-271 |
31-34 |
7.5 |
-0.10 |
-0.55 |
360 |
200 |
35EH |
1.17-1.22 |
11.7-12.2 |
>876 |
>11.0 |
>2388 |
>30 |
263-287 |
33-36 |
7.5 |
-0.10 |
-0.55 |
360 |
200 |
38EH |
1.22-1.25 |
12.2-12.5 |
>899 |
>11.3 |
>2388 |
>30 |
287-310 |
36-39 |
7.5 |
-0.10 |
-0.55 |
360 |
200 |
28AH |
1.04-1.09 |
10.4-10.9 |
>787 |
>9.9 |
>2785 |
>35 |
207-231 |
26-29 |
7.5 |
-0.10 |
-0.47 |
370 |
230 |
30AH |
1.08-1.13 |
10.8-11.3 |
>819 |
>10.3 |
>2785 |
>35 |
223-247 |
28-31 |
7.5 |
-0.10 |
-0.47 |
370 |
230 |
33AH |
1.13-1.17 |
11.3-11.7 |
>843 |
>10.6 |
>2785 |
>35 |
247-271 |
31-34 |
7.5 |
-0.10 |
-0.47 |
370 |
230 |
Remarks:
The above mentioned data of properties are given at room temperature.
The maximum operating temperature of magnets is shape/geometry dependent. These are standard grades and others are available upon request. Where practical we will produce grades for specific applications.
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