SmCo magnet has outstanding magnetic performance, low temperature coefficient but with high working temperature(350°C). It has super thermal stability and excellent corrosion resistance, so it requires no special surface treatment. This makes SmCo magnet an excellent choice for designers when high temperature environments may be present.
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>>Magnetic Properties of Sintered SmCo Magnets:
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Magnetic Properties of Sintered SmCo Magnets
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|
Material
|
Grade
|
Br
|
Hcb
|
Hcj
|
(BH) max
|
TW
|
|
T
|
KA/m
|
KA/m
|
KJ/m3
|
|
KGs
|
KOe
|
KOe
|
MGOe
|
|
Max
|
Min
|
Max
|
Min
|
Max
|
Min
|
Max
|
Min
|
℃
|
|
Sm1Co5
|
YX18
|
0.92
|
0.82
|
756
|
639
|
1751
|
1194
|
159
|
127
|
250℃
|
|
9.2
|
8.2
|
9.5
|
8.0
|
22.0
|
15.0
|
20
|
16
|
|
YX20
|
0.95
|
0.87
|
756
|
639
|
1751
|
1194
|
175
|
143
|
|
9.5
|
8.7
|
8.5
|
8.0
|
22.0
|
15.0
|
22
|
18
|
|
YX22
|
1.0
|
0.93
|
772
|
660
|
1751
|
1194
|
207
|
175
|
|
10
|
9.3
|
9.7
|
8.3
|
22.0
|
15.0
|
24
|
20
|
|
YX24
|
1.04
|
0.96
|
780
|
660
|
1751
|
1194
|
207
|
175
|
|
10.4
|
9.6
|
9.8
|
8.3
|
22.0
|
15.0
|
26
|
22
|
|
Sm2Co17
|
YXG24M
|
1.04
|
0.96
|
772
|
318
|
955
|
398
|
207
|
175
|
350℃
|
|
10.4
|
9.6
|
9.7
|
4.0
|
12.0
|
5.0
|
26
|
22
|
|
YXG24
|
1.04
|
0.96
|
780
|
660
|
≥1194
|
207
|
175
|
|
10.4
|
9.6
|
9.8
|
8.3
|
≥15.0
|
26
|
22
|
|
YXG24H
|
1.04
|
0.96
|
780
|
660
|
≥1592
|
207
|
175
|
|
10.4
|
9.6
|
9.8
|
8.3
|
≥20.0
|
26
|
22
|
|
YXG26M
|
1.07
|
1.0
|
796
|
318
|
955
|
398
|
223
|
191
|
|
10.7
|
10.0
|
10
|
4.0
|
12.0
|
5.0
|
28
|
25
|
|
YXG26
|
1.07
|
1.0
|
820
|
677
|
≥1194
|
223
|
191
|
|
10.7
|
10.0
|
10.3
|
8.5
|
≥15.0
|
28
|
25
|
|
YXG26H
|
1.07
|
1.0
|
820
|
677
|
≥1592
|
223
|
191
|
|
10.7
|
10.0
|
10.3
|
8.5
|
≥20.
|
28
|
25
|
|
YXG28M
|
1.10
|
1.04
|
796
|
318
|
955
|
398
|
239
|
207
|
|
11.0
|
10.4
|
10.0
|
4.0
|
12.0
|
5.0
|
30
|
26
|
|
YXG28
|
1.10
|
1.04
|
820
|
577
|
≥1194
|
239
|
207
|
|
11.0
|
10.4
|
10.3
|
8.5
|
≥15.0
|
30
|
26
|
|
YXG28H
|
1.10
|
1.04
|
820
|
677
|
≥1592
|
239
|
207
|
|
11.0
|
10.4
|
10.3
|
8.5
|
≥20.0
|
30
|
26
|
|
YXG30M
|
1.12
|
1.07
|
796
|
318
|
955
|
398
|
247
|
223
|
|
11.2
|
10.7
|
10.0
|
4.0
|
12.0
|
5.0
|
31
|
28
|
|
YXG30
|
1.12
|
1.07
|
820
|
677
|
≥1194
|
247
|
223
|
|
11.2
|
10.7
|
10.3
|
8.5
|
≥15.0
|
31
|
28
|
|
YXG32M
|
1.15
|
1.09
|
796
|
318
|
955
|
398
|
262
|
238
|
|
11.5
|
10.9
|
10.0
|
4.0
|
12.0
|
5.0
|
32
|
29
|
|
YXG32
|
1.15
|
1.09
|
820
|
677
|
≥955
|
262
|
238
|
|
11.5,
|
10.0
|
10.3
|
8.5
|
≥12.0
|
32
|
29
|
|
Low Temp. Coeff Sm2Co17
|
YXG22LT
|
1.0
|
0.93
|
756
|
677
|
≥1194
|
191
|
150
|
350℃
|
|
10.0
|
9.3
|
9.5
|
8.5
|
≥15.0
|
26
|
22
|
|
YXG24LT
|
1.04
|
0.96
|
756
|
677
|
≥1194
|
223
|
191
|
|
10.4
|
9.6
|
9.5
|
8.5
|
≥15.0
|
26
|
22
|
|
YXG26LT
|
1.07
|
1.0
|
812
|
677
|
≥1433
|
223
|
191
|
|
10.7
|
10.0
|
10.2
|
8.5
|
≥18.0
|
28
|
25
|
|
|
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