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Rainbow Magnet Ltd.
Rainbow Magnet Ltd.  

Gold Index: 16481

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SmCo5 Samarium cobalt magnets 

Price: 0.01~100.0 USD 
Payment Terms: T/T,L/C,WU 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: RM-S23
Production Capacity: 100TON/MONTH
Delivery Date: 7-30days
Type: Permanent
Brand Name: rainbow magnet
Means of Transport: Ocean,Air;experess
Packing: standard air cartons or sea...
Application: Speaker Magnet
Composite: Neodymium Magnet

1. Made up by means of powder metallurgy
2. Chemical composition: SmCo5

Samarium cobalt magnets 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.
According the composition, we divide two of SMCO: Sm2CO17 and SmCo5
According the process, we divide to sintered Smco and bonded Smco

SmCo5
Compare Sm2Co17, the price is higher, it is not easy brittle
The (BH) max range is from 16 to 25, maximum working-
temperature 250°C. The physical character and ductibility is
better than Sm2Co17, so SmCo5 is easier to be machined
thin thickness disc or ring wall and complex shapes which
Sm2Co17 are difficult to make.

Applications
²Generator,
²microphone,
²vibration sensor,
²ignition device,
²a bomb detonated,
²meter,
²magnetic recording
²Traveling wave tubes
²backward wave tubes
²cathode ray tubes
²orthogonal magnetic amplifier
²klystron
²microwave devices

Materials
Grade
Br (Residual induction)
Hcb (Coercive Force)
Hcj (Intrinsic coercive Force)
(BH)max. Max. Energy Product
Max. Operating Temp.
TC
Curie Temp.
(KGs)
(KOe)
(KOe)
(MGOe)
(°c)
(°c)
SmCo5
YX-16
8.1-8.5
7.8-8.3
15-23
14-16
250
750
SmCo5
YX-18
8.5-9.0
8.3-8.8
15-23
16-18
250
750
SmCo5
YX-20
9.0-9.4
8.5-9.1
15-23
19-21
250
750
SmCo5
YX-22
9.2-9.6
8.9-9.4
15-23
20-22
250
750
SmCo5
YX-24
9.6-10.0
9.2-9.7
15-23
22-24
250
750
SmCo5
YX-16s
7.9-8.4
7.7-8.2
≥23
15-17
250
750
SmCo5
YX-18s
8.4-8.9
8.1-8.6
≥23
17-19
250
750
SmCo5
YX-20s
8.9-9.3
8.6-9.1
≥23
19-21
250
750
SmCo5
YX-22s
9.2-9.6
8.9-9.4
≥23
21-23
250
750
SmCo5
YX-24s
9.6-10.0
9.3-9.8
≥23
23-25
250
750
(SmGd)Co5
LTc(YX-10)
6.2-6.6
6.1-6.5
≥23
9.5-11
300
750

Sintered Smco auxiliary magnetic and physical properties
Item
Parameters
SmCo5
Sm2Co17
Auxiliary magnetic properties
Temp. coefficient of Br (α(Br))/%/ K-1
-0.05
-0.03
Temp. coefficient. of Hcj (α(Hcj)/%/ K-1
-0.3
-0.3
Curie Temperature (Tc)/K
1000
1000
Recoil Permeability (μrec)
1.05
1.10
physical properties
Density (g/cm-3)
8.2
8.4
Vickers Hardness
Hv/MPa
450
650
Electrical Resistivity
(ρ/Ω•cm)
5.3x10-5
8.5x10-5
Compressive Strengthδc/MPa
1000
800
Tensile Strength
δb/ MPa
400
350
Bending Strength
δw/MPa
180
150

Compare of the magnetic properties for rare earth magnet material
Type
composition
Magnetic properties
Br/T
Hc
/(Ka/m)
(BH)m/
(kJ/m3)
Tc/℃
Density
g/cm-3
Bonded smco
Sm(Co0.67Fe0.22Cu0.1Zr0.07Ti0.01)7.1
1.0-1.07
800-1400
160-204
810
7.4
1:5,SmCo
62%-63%Co,38%-37%Sm
0.9-1.0
1100-1540
117-179
720
8.1
2:17,SmCo
Sm(Co0.69Fe0.2Cu0.1Zr0.01)7.2
1.0-1.3
500-600
230-240
800
8.2
AlNiCo 5
8%-12%Al,15%-22%Ni
5%-24%Co,3%-6%Cu.
Balance Fe
0.7-1.32
40-60
9-56
890
7.3
AlNiCo8
7%-8%Al,14%-15%Ni
34%-36%Co,5%-8%Ti,
3%-4%Cu,Balance Fe
0.3-0.44
250-350
25-36
450
7.3
Sinter NdFeB
Nd13.5(Fe,M)bananceB6.1-7.0
1.1-1.4
800-2400
240-400
310-510
7.4-7.6
Bonded
NdFeB
Nd4-13(Fe,M)bananceB6-12
0.6-1.1
800-2100
56-160
310
5.3-6.0


vibration sensor magnet
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Fax: 86-574-87393806
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Company Info

Rainbow Magnet Ltd. [China (Mainland)]


Business Type:Manufacturer
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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