Magnetic Characteristics
|
Grade
|
Residual
Induction |
Coercive
Force |
Intrinsic
Coercivity |
Maximum
Energy Product |
| Br |
BHC |
IHC |
(BH)max.
|
| kGs |
T |
kOe |
kA/m |
kOe |
kA/m |
MGOe |
kJ/m3
|
|
1A
|
2.0-2.35
|
0.2-0.235
|
1.63
|
135
|
2.8
|
210
|
0.9-1.1
|
7.1-9.0
|
| 2A |
3.4-3.6
|
0.34-0.36
|
2.7
|
215
|
2.9
|
235
|
2.7-3.0
|
21-24
|
| 3 |
3.4-3.6
|
0.34-0.36
|
2.8
|
220
|
3.0
|
240
|
2.7-3.0
|
21-24
|
| 4A |
3.75-4.0
|
0.375-0.4
|
3.0
|
240
|
3.15
|
250
|
3.5-3.8
|
27.7-30.0
|
| 4B |
3.9-4.1
|
0.39-0.41
|
2.5
|
200
|
2.8
|
224
|
3.7-4.1
|
29.0-31.8
|
| 5A |
3.5-3.7
|
0.35-0.37
|
3.2
|
254
|
3.9
|
310
|
3.0-3.2
|
23.5-25.2
|
| 5B |
3.3-3.6
|
0.33-0.36
|
3.26
|
260
|
4.2
|
330
|
3.0-3.2
|
23.5-25.2
|
| 5X |
4.1-4.3
|
0.41-0.43
|
3.15
|
250
|
3.2
|
255
|
4.0-4.4
|
31.8-35.0
|
| 5H |
3.95-4.15
|
0.395-0.415
|
3.60
|
287
|
3.9
|
310
|
3.7-4.1
|
29.5-32.7
|
| 5E |
3.6-3.8
|
0.36-0.38
|
3.40
|
271
|
4.8
|
382
|
3.1-3.5
|
24.7-27.9
|
Other Physical Properties
Curie
Point
°C |
Electrical Resistance
Ω·cm |
Sintered Density
g/cc |
Reversible Temperature Coefficient of Induction
%/℃ |
Coefficient
of thermal Expansion
C
∥ C ⊥ |
| 450-460 |
>104 |
4.7-5.0 |
-0.2 |
14-15
X 10-6 |
9-10
X 10-6 |
Typical Applications
| Grade |
Material Type |
Typical Applications
|
|
1A
|
Isotropic
|
Micromotors, Toys, Holders
|
| 2A
|
Dry-type
Anisotropic |
Micromotors,
Toys, Holders |
|
3, 4A, 4B, 5A, 5B |
Wet-type
Anisotropic |
Micromotors, Household Appliances, AO Facilities |
|
5X, 5H, 5E
|
Wet-type
Anisotropic |
Starter Motors, Automotive Motors, Household Appliances, AO Facilities |
|
|
|
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