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Rare Earth SmCo Magnets

As one of the professional industrial magnet manufacturers, we focus on the development and sales of magnetic assemblies, related products involve neodymium pot(cup) magnets, ferrite pot(cup)magnets, rubber-coated(rubberized) pot magnets, salvage fishing magnets, all kinds of magnetic hooks, magnetic holder, and office magnets. These magnetic products can meet the needs of multidisciplinary applications for holding&fixing, salvaging & lifting, mounting, and hanging.

Rare Earth SmCo Magnets

Rare earth samarium-cobalt magnet(shorted as SmCo magnet)is a kind of rare earth magnet for high temperature resistance. It is a kind of functional magnetic material made of samarium magnet, cobalt and other metal rare earth materials by mixing, melting, grinding, pressing and sintering. SmCo magnets are classified as Sm1Co5 and Sm2Co17/Sm2Co17 magnetaccording the composition ratios of samarium and cobalt.

Application of rare earth samarium-cobalt(SmCo )magnets

Due to strong corrosion resistance and oxidation resistance, samarium-cobalt magnet(SmCo magnets) are widely used in aerospace, national defense and military industry, microwave devices, communication, medical equipment, instruments, meters, various magnetic transmission devices, sensors, magnetic processors, motors, magnetic cranes, etc.

Advantages of samarium-cobalt(SmCo)rare earth magnets

Samarium cobalt magnets for salehave high magnetic energy product,the maximum magnetic energy product of samarium-cobalt(SmCo) magnets ranges from 16MGOe to 32MGOe, and its theoretical limit is 34MGOe. SmCo magnets also known as strong rare earth magnets.

SmCo magnets have extremely low temperature coefficient. The maximum working temperature can reach 350 ℃ and the negative temperature is unlimited. When the working temperature is above 180 ℃, all of the maximum magnetic energy product (BHmax), coercivity, temperature stability and chemical stability are better than those of neodymium-iron-boron.

SmCo magnets have strong corrosion resistance and oxidation resistance,surface treatment not needed for SmCo.

Disadvantages of rare earth samarium cobalt(SmCo)magnets

lSamarium-cobalt magnets are easy to peel. Goggles must be worn when handling them.

lSmCo magnets are made by a process called sintering, and sintering of all materials. cracks are very likely to occur inside

lThe machining performance of SmCo magnet is poor,small corners are easy to be produced because of slight collision during the process of production,packing, and transportation.

Magnetic properties of samarium-cobalt magnets(SmCo magnets)

Material

Grade

Energy Product BH(max)

Residual InductionBr(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

613-716

≧1194

≧15

250

XG16H

120-143

15-18

613-716

≧1592

≧20

XG18

135-159

17-20

637-756

≧1194

≧15

XG18H

135-159

17-20

637-756

≧1592

≧20

XG20

151-175

19-22

637-756

≧1194

≧15

XG20H

151-175

19-22

637-756

≧1592

≧20

XG22

167-191

21-24

661-772

≧1194

≧15

XG22H

167-191

21-24

661-772

≧1592

≧20

Sm2Co17

XGS24M

175-199

22-25

318-788

398-1194

350

XGS24

175-199

22-25

661-796

1194-1990

XGS24H

175-199

22-25

661-804

﹥1990

﹥25.0

XGS26M

191-215

24-27

318-796

398-1194

XGS26

191-215

24-27

677-820

1194-1990

XGS26H

191-215

24-27

677-820

﹥1990

﹥25.0

XGS28M

207-231

26-29

318-804

398-1194

XGS28

207-231

26-29

677-820

1194-1990

XGS28H

207-231

26-29

677-820

﹥1990

﹥25.0

XGS30M

223-247

28-31

318-804

398-1194

XGS30

223-247

28-31

700-828

1194-1990

XGS30H

223-247

28-31

700-828

﹥1990

﹥25.0

XGS32M

231-255

29-32

318-804

398-955

XGS32

231-255

29-32

716-836

﹥955

﹥12.0

XGS22LT

159-183

20-23

677-756

≧1194

≧15.0

XGS24LT

159-183

20-23

677-756

≧1194

≧15.0

Friendly reminding for ordering rare earth SmCo magnets:

The products with a competitive samarium cobalt magnet pricehave better mechanical and physical properties than SmCo(2:17) magnets, which is slightly easier to process

If SmCo magnets are used in acid-base environment and another bad environment, electroplating treatment can be adopted on the them, Nickel-coated SmCo magnets, Zinc-coated SmCo magnets, Epoxy-coated SmCo magnets etc can be supplied

If you need un-magnetized SmCo magnets,you should be familiar with the magnetizing energy of your magnetizing equipment, so as to choose the correct SmCo magnet gradeswhich can be completely full magnetized.



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