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Hottest sale 4*10 SmCo magnet

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Hottest sale 4*10 SmCo magnet

Specifications

Samarium cobalt magnet

Samarium cobalt magnet is mainly made of Cobalt, Samarium and other rare earth elements. The second generation of
Rare Earth magnet material, have high magnetic properties, excellent thermal stability and resistant to corrosion.
Compared with NdFeB, It doesn’t need to be coated. It can typically be used up to 300 °C. Therefore, it is used in
those fields, that applications demand resistance to wide range temperature and environments. However, It is
extremely brittle and should not be used a structural component in an assembly. Smco magnets are manufactured
by sintering or compression bonding. They are anisotropic and can only be magnetized in the direction of orientation.
SmCo permanent magnets include SmCo5 and SmCo17 types. The physical characteristics of SmCo5 are better than
Sm2Co17's. Because SmCo5 is slightly easier to be machined, while Sm2Co17 is more brittle.

 

Applications of SmCo Magnet

Computer disc drives

Sensors

Radar

Traveling wave tubes                                                                                               

Satellite systems                                                                                                        

Motors where temporary stability is vital

 

Attributes of SmCo Magnet    

Expensive material (cobalt is market price sensitive

High resistance to demagnetization                                                                                                                        

High Energy Product                                              

Good temperature stability                                                                  

High resistance of corrosion and oxidation 

 

SmCo Ring Magnet

 

SmCo Ring Magnet

SmCo Ring Magnet

 


Hottest sale 4*10 SmCo magnet

Typical Magnetic Properties of Sintered SmCo Magnets:

 

 

Character-
istics
Residual Flux
Br
Coercive Force
Hcj
IntIntrinsic Corecive Force
Hcj
Max.Energy
product
(BH)max
Curie Temp
Tc
Density
ρ
Temp 
Coefficient
Thermal Expansion
Coefficient
Vickers
Hardness
Material Grade
T
(kGS)
KA/m   
(kOe)
KA/m
(kOe)
KJ/m
(MGOe)
(C)
g/cm
(%°C)
C⊥
(1°C)
C//
(1°C)
Hv
SM-18
0.8-0.9
(8.0-9.0)
621-700
(7.8-8.8)
≥1990
(≥25.0)
127-159
(16.0-20.0)
750-800
8.1-8.3
-0.05
13x104
6 x104
450-500
SM-20
0.88-0.94
(8.8-9.4)
676-732
(8.5-9.2)
≥1433
(≥18.0)
151-167
(19-21)
750-800
8.1-8.3
-0.05
13x104
6 x104
450-500
SM-22
0.94-1.0
(9.4-10.0)
700-748
(8.8-9.4)
≥1194
(≥15.0)
167-183
(21-23)
750-800
8.1-8.3
-0.05
13x104
6 x104
450-500
SM-18T
0.85-0.95
(8.5-9.5)
636-716
(8.0-9.0)
≥1592
(≥20.0)
127-159
(16.0-20.0)
800-850
8.3-8.5
-0.01
11x104
8 x104
500-600
SM-22T
0.94-1.0
(0.94-10.0)
676-756
(8.5-95)
≥1592
(≥20.0)
159-191
(20.0-24.0)
800-850
8.3-8.5
-0.01
11x104
8 x104
500-600
SM-22L
0.95-1.02
(9.5-10.2)
477-557
(6.0-7.0)
439-597
(6.2-7.5)
159-191
(20.0-24.0)
800-850
8.3-8.5
-0.03
11x104
8 x104
500-600
SM-22H
0.95-1.02
(9.5-10.2)
557-716
(7.0-9.0)
≥636
(≥8.0)
159-191
(20.0-24.0)
800-850
8.3-8.5
-0.03
11x104
8 x104
500-600
SM-26L
1.02-1.08
(10.2-10.8)
477-557
(6.0-7.0)
439-597
(6.2-7.5)
191-223
(24.0-28.0)
800-850
8.3-8.5
-0.03
11x104
8 x104
500-600
SM-26H
1.00-1.06
(10.0-10.6)
557-716
(7.0-9.0)
≥637
(≥8.0)
199-215
(25.0-27.0)
800-850
8.3-8.5
-0.03
11x104
8 x104
500-600
SM-26U
1.02-1.08
(10.2-10.8)
756-812
(9.5-10.2)
≥1990
(≥25.0)
199-223
(25.0-28.0)
800-850
8.3-8.5
-0.03
11x104
8 x104
500-600
SM-28H
1.06-1.10
(10.6-11.0)
557-716
(7.0-9.0)
≥636
(≥8.0)
214-238
(27.0-30.0)
800-850
8.3-8.5
-0.03
11x104
8 x104
500-600
SM-30L
1.08-1.15
(10.8-11.5)
477-557
(6.0-7.0)
439-597
(6.2-7.5)
223-254
(28.0-32.0)
800-850
8.3-8.5
-0.03
11x104
8 x104
500-600
SM-30U
1.08-1.12
(10.8-11.2)
796-836
(10.0-10.5)
≥1990
(≥25.0)
223-247
(28.0-31.0)
800-850
8.3-8.5
-0.03
11x104
8 x104
500-600
SM-32H
1.1-1.16
(11.0-11.6)
557-716
(7.0-9.0)
≥637
(≥8.0)
238-262
(30.0-33.0)
800-850
8.3-8.5
-0.03
11x104
8 x104
500-600

 Note: Special properties can be achieved with custom method.

 

Physical Characteristics of Sintered SmCo Magnets:

 

Hardness

                     HV 10

Compression Strength

300 - 900 N/mm2

Bending Strength

120 N/mm2

Modulus

1.2-2.0x104 N/mm3

Electrical Resistance at 20°C

>0.5 ohm-cm

Specific Heat Capacity

370 J/(kg.C)

 

 

 

 

 

 

 

 






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