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Samarium Cobalt (SmCo) Magnets Are Known As High-Temperature Resistant Rare Earth Magnets Samarium Cobalt (SmCo) Magnets Are Known As High-Temperature Resistant Rare Earth Magnets

As a part of the rare earth magnet family, samarium cobalt (SmCo) magnet is a strong permanent magnet with special magnetism. They have excellent temperature stability and anti-demagnetization ability. This is one advantage over rare earth neodymium magnets. Maximum operating temperatures of rare earth samarium cobalt magnets is between 250 and 350 °C; Curie temperatures range from 700 to 800 °C.   SmCo magnets are very suitable for applications involving high or very low temperature. In these applications, high magnetic strength is required, magnetic stability is very important, space is a limiting factor.  

Samarium Cobalt (SmCo) Magnets Are Corrosion Resistant Rare Earth Magnets Samarium Cobalt (SmCo) Magnets Are Corrosion Resistant Rare Earth Magnets

Samarium cobalt(SmCo) magnets not only have the feature of high-temperature resistance, they also have excellent corrosion resistance,which is another advantage over neodymium rare earth magnets. So surface coating treatment is unnecessary for most samarium cobalt rare earth magnets application. However, the surface of samarium cobalt magnets used in some special environments can also be electroplated. Nickel plating is the most common surface treatment for SmCo magnets.

Common Applications for Samarium Cobalt Magnets Common Applications for Samarium Cobalt Magnets

Rare earth samarium cobalt (SmCo) magnets have excellent temperature stability and can maintain their magnetism under extreme temperature conditions. Therefore, they are very suitable for technical applications requiring high performance and magnetic strength in very high or low temperature environment. Our samarium cobalt magnets are used in  semiconductor, wind energy, electric power, petroleum ,energy,automotive, aerospace, medical, military and industrial manufacturing,

Material Grade & Property Of Samarium-Cobalt Magnetic Material

Material

Grade

Energy Product BH(max)

Residual Induction
Br(min-max)

Coercive Force Hcb(min-max)

Intrinsic Coercive Force Hcj(min-max)

Density

Max work Temp.

KJ/m3

MGoe

T

KGs

KA/m

KOe

KA/m

KOe

g/cm3

SmCo5

XG16

120-143

15-18

0.77-0.86

7.7-8.6

613-716

7.7-9.0

≧1194

≧15

8.3

250

XG16H

120-143

15-18

0.77-0.86

7.7-8.6

613-716

7.7-9.0

≧1592

≧20

XG18

135-159

17-20

0.81-0.92

8.1-9.2

637-756

8.0-9.5

≧1194

≧15

XG18H

135-159

17-20

0.81-0.92

8.1-9.2

637-756

8.0-9.5

≧1592

≧20

XG20

151-175

19-22

0.85-0.95

8.5-9.5

637-756

8.0-9.5

≧1194

≧15

XG20H

151-175

19-22

0.85-0.95

8.5-9.5

637-756

8.0-9.5

≧1592

≧20

XG22

167-191

21-24

0.89-1.00

8.9-10

661-772

8.3-9.7

≧1194

≧15

XG22H

167-191

21-24

0.89-1.00

8.9-10

661-772

8.3-9.7

≧1592

≧20

Sm2Co17

XGS24M

175-199

22-25

0.92-1.04

9.2-10.4

318-788

4.0-9.9

398-1194

5.0-15.0

8.4

350

XGS24

175-199

22-25

0.92-1.04

9.2-10.4

661-796

8.3-10.0

1194-1990

15.0-25.0

XGS24H

175-199

22-25

0.92-1.04

9.2-10.4

661-804

8.3-10.1

﹥1990

﹥25.0

XGS26M

191-215

24-27

1.00-1.06

10.0-10.6

318-796

4.0-10.0

398-1194

5.0-15.0

XGS26

191-215

24-27

1.00-1.06

10.0-10.6

677-820

8.5-10.3

1194-1990

15.0-25.0

XGS26H

191-215

24-27

1.00-1.06

10.0-10.6

677-820

8.5-10.3

﹥1990

﹥25.0

XGS28M

207-231

26-29

10.4-11.0

10.4-11.0

318-804

4.0-10.1

398-1194

5.0-15.0

XGS28

207-231

26-29

10.4-11.0

10.4-11.0

677-820

8.5-10.3

1194-1990

15.0-25.0

XGS28H

207-231

26-29

10.4-11.0

10.4-11.0

677-820

8.5-10.3

﹥1990

﹥25.0

XGS30M

223-247

28-31

10.7-11.2

10.7-11.2

318-804

4.0-10.1

398-1194

5.0-15.0

XGS30

223-247

28-31

10.7-11.2

10.7-11.2

700-828

8.8-10.4

1194-1990

15.0-25.0

XGS30H

223-247

28-31

10.7-11.2

10.7-11.2

700-828

8.8-10.4

﹥1990

﹥25.0

XGS32M

231-255

29-32

10.9-11.5

10.9-11.5

318-804

4.0-10.1

398-955

5.0-12.0

XGS32

231-255

29-32

10.9-11.5

10.9-11.5

716-836

9.0-10.5

﹥955

﹥12.0

XGS22LT

159-183

20-23

9.0-9.9

9.0-9.9

677-756

8.5-9.5

≧1194

≧15.0

XGS24LT

159-183

20-23

9.2-10.2

9.2-10.2

677-756

8.5-9.5

≧1194

≧15.0


Samarium Cobalt Magnet Manufacturing Methods

Samarium Cobalt Magnet Manufacturing Methods

FAQs on Samarium Cobalt Rare Earth Magnets

  • Q

    Can you supply custom samarium cobalt magnets ?

    A

    Yes, thanks to advanced manufacturing equipment and experienced engineer team, we have the ability to supply custom samarium cobalt (SmCo) magnets with accurate specifications for users all over the world. Please contact us or send us a quotation request, and we will help you determine the best solution for your project.

  • Q

    Do samarium cobalt magnets need electroplating?

    A

    Samarium cobalt magnets have corrosion resistance and usually do not need electroplating treatment. Electroplating treatment can also be provided for individual samarium cobalt magnets with special requirements.

  • Q

    What is the maximum working temperature of samarium cobalt magnet?

    A

    Samarium cobalt magnet is a rare earth strong magnet with the highest working temperature, and its maximum working temperature can reach 350 ° C

  • Q

    Can you provide samples of samarium cobalt magnets?

    A

    Yes,however, we usually charge the proofing fee for customized samples

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