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Address:No. 249 West Xianmu Road, Huzhen Town, Jinyun County, Lishui, Zhejiang China
Zip Code:321404
TEL: +86-578-3272111
FAX:+86-578-3263799
E-mail: sales@cnlishuai.com

Complaints:Loonge Zhang
E-mail:loonge@cnlishuai.com

SAMARIUM COBALT MAGNETS



SAMARIUM COBALT MAGNETS

 

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Features & Spec.
 
Application
 
Attention
 
Package
 
Name:SAMARIUM COBALT MAGNETS
Serial:SAMARIUM COBALT MAGNETS
Features:SAMARIUM COBALT MAGNETS
Detail:
SAMARIUM COBALT MAGNETS
Samarium cobalt magnets (SmCo) are composed of samarium, cobalt and iron. These rare earth magnets are extremely strong for their small size, metallic in appearance and found in simple shapes such as rings, blocks and discs.
Applications of Samarium Cobalt Magnets
• Computer disc drives
• Sensors
• Radar
• Traveling wave tubes
• Satellite systems
• Motors where temporary stability is vital
Attributes of Samarium Cobalt Material
• High resistance to demagnetization
• High Energy Product
• Good temperature stability
• High resistance of corrosion and oxidation
• Expensive material (cobalt is market price sensitive)

Magnetic Characteristic of SmCo Magnet
Material
Grades
Remanence
Coercive Force
Intrinsic Coercivity
Maximum Energy product
Curie Temp
Working Temp 
Temp Coefficient Of Br
Temp Coefficent Of Hcj
Br
Hcb
Hcj
(BH)max
TC
TW
SmCo   1:5
 
T
Gs
Koe
KA/m
Koe
KJ/m
Mgoe
 
 
%℃
 
%℃
YX-16
0.81-0.85
8.1-8.5
7.8-8.3
1194-1830
15-23
110-127
14-16
750
250
-0.05
-0.3
YX-18
0.85-0.9
8.5-9.0
8.3-8.8
1194-1830
15-23
127-143
16-18
750
250
-0.05
-0.3
YX-20
0.9-0.094
9.0-9.4
8.5-9.1
1194-1830
15-23
150-167
19-21
750
250
-0.05
-0.3
YX-22
0.92-0.96
9.2-9.6
8.9-9.4
1194-1830
15-23
160-175
20-22
750
250
-0.05
-0.3
YX-24
0.96-1.0
9.6-10.0
9.2-9.7
1194-1830
15-23
175-190
22-24
750
250
-0.05
-0.3
SmCo 2:17
YXG-24H
0.95-1.02
9.5-10.2
8.7-9.4
1990
25
175-191
22-24
800
350
-0.03
-0.2
YXG-26H
1.02-1.05
10.2-10.5
9.4-9.8
1990
25
191-207
24-26
800
350
-0.03
-0.2
YXG-28H
1.03-1.08
10.3-10.8
9.5-10
1990
25
207-220
26-28
800
350
-0.03
-0.2
YXG-30H
1.08-1.10
10.8-11.0
9.9-10.5
1990
25
220-240
28-30
800
350
-0.03
-0.2
YXG-24H
0.95-1.02
9.5-10.2
8.7-9.4
1433
18
175-191
22-24
800
300
-0.03
-0.2
YXG-26H
1.02-1.05
10.2-10.5
9.4-9.8
1433
18
191-207
24-26
800
300
-0.03
-0.2
YXG-28H
1.03-1.08
10.3-10.8
9.5-10
1433
18
207-220
26-28
800
300
-0.03
-0.2
YXG-30H
1.08-1.10
10.8-11.0
9.9-10.5
1433
18
220-240
28-30
800
300
-0.03
-0.2
YXG-26M
1.02-1.05
10.2-10.5
9.4-9.8
955-1273
12-16
191-207
24-26
800
300
-0.03
-0.2
YXG-28M
1.03-1.08
10.3-10.8
9.5-10
955-1274
12-16
207-220
26-28
800
300
-0.03
-0.2
YXG-30M
1.08-1.10
10.8-11.0
9.9-10.5
955-1275
12-16
220-240
28-30
800
300
-0.03
-0.2
YXG-28L
1.02-1.08
10.2-10.8
5.2-9.0
438-796
5.5-10
207-220
26-28
800
250
-0.03
-0.2
YXG-30L
1.08-1.15
10.8-11.5
5.2-9.0
438-796
5.5-10
220-240
28-30
800
250
-0.03
-0.2


Physical Property of SmCo Magnet
Parameters       
Unit
SmCo5
Sm2Co17
Density
g/cm3
8.3
8.4
Curie Temperature
K
1000
1100
Vick Hardness
Mpa
450-500
550-600
Compressive Strength
Mpa
1000
800
Electrical Resistivity
Ω.cm
5~6*10-6
8~9*10-5
Bending Strength
Mpa
150-180
130-150
Tensile Strength
Mpa
400
350
Coefficient of Thermal Expansion
(10-6/℃)
"6   ⊥12
"8  ⊥11


Beneficial Suggests:
1. Sintered SmCo permanent magnetic materials have the character of great brittleness and lacking of the ductibility, therefore, it isn’t suitable for the material to be applied as structural parts when designed. The physical characteristics of SmCo5 is better than Sm2Co17’s. Because SmCo5 is slightly easier to be machined while Sm2Co17 is more brittle. Magnetized SmCo products must be picked up carefully and gently during assemble process and kept away from ironware to avoid mutually attracting, causing chips and cracks or other damage to magnets’ appearance, or it’ll even hurt operators in case that two strongly magnetized slices firmly attract unexpectedly.
2. There may be some appearance defects such as slight nicks existing as it may bring some slight collision during the process of production, packing and delivering of sintered SmCo permanent magnetic materials. However, it wouldn’t changes its property, stability as well as antidemagnetization ability of materials as long as its flow doesn’t affect normal assembling or functions.
3. Clients who request SmCo products non-magnetized must be familiar with magnetization energy of their own magnetization equipments, to the effect that appropriate grade would be chose and products of our company can be fully saturated.
4. If the designed products are to be applied under sour alkali or worse conditions, our company may provide SmCo permanent magnetic products plated with Zinc, Nickel, gold or epoxy resion.

No. 249 West Xianmu Road, Huzhen Town, Jinyun County, Lishui, Zhejiang China (Mainland)
Tel:+86-578-3272111,Fax:+86-578-3263799
E-mail:sales@cnlishuai.com

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