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High quality Samarium Cobalt magnets High temperature rare earth SmCo magnets
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High quality Samarium Cobalt magnets High temperature rare earth SmCo magnets

Price: 0.01~100.0 USD
Trade Term: FOB
Payment Terms: T/T,L/C,WU
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Basic Info.
  • Shape: Block 
  • Application: Industrial Magnet 
  • Type: Permanent 
  • Composite: SmCo Magnet 
  • Brand Name: Risheng 
  • Material: SmCo magnets 
  • Composition: Samarium, Cobalt, a few transtion metals 
  • Grade: SmCo1:5, SmCo2:17 
  • Size: Various, Custom made 
  • Magnetization: Magnetized through thickness 
  • Coating: Not neccessary 
  • Certification: ISO9001:2008 
  • Model No.: RS-SM 
  • Place of Origin: Zhejiang  
  • Min.Order: 100 Piece/Pieces
  • Means of Transport: Express, Ocean, Air
Supply Capacity
  • Production Capacity: 100 tons/month
  • Packing:Standard Sea Packing
  • Delivery Date: 25-30 days

SmCo magnets, are composed of Samarium, Cobalt, and a few transition metals. SmCo magnets are high performance, low temperature coefficient rare earth permanent magnets, and could keep their performance under the maximum working temperature up to 350 degree centigrade.


Manufacturing Process
Samarium, Cobalt, and a few transition metals will be made into the SmCo powder, then fine SmCo powder will be compacted in a die and sintered, fusing the powder into a solid material. There are 2 forms of pressing: die pressing and isostatic pressing. Sintered parts normally need some finish machining in order to meet final tolerances.


Machining & Tolerance
Generally, SmCo magnets must be machined using diamond-grinding techniques. Sometimes, machining operations may be performed on SmCo materials using carbide tools, but surface finishes thus obtained may be less than optimal.
The Standard tolerances for SmCo magnets are +/- 0.1mm for ground dimensions, but sticter tolerances are possible if specially required.


Surface treatments
The corrosion resistance of SmCo magnets is considered good. Although Surface coating or plating is not generally required for SmCo magnets, all kinds of surface coating are also available, like Nickel, Zn, Ni-Cu-Ni, Gold, Silver, Sn,Chrome, ABS coating, Rubber coating, PTFE(Telfon) coating, stainless steel case and Epoxy coating etc.


Magnetizing & Packing
SmCo magnets require extremely high magnetizing fields, and can be magnetized in any direction as long as it is aligned properly. In some instances multiple pole magnetization is possible with special fixtures. All SmCo magnets are anisotropic, and can only be magnetized in the orientation direction, so particular consideration must be given to this when designing complex assemblies, if it is intended to magnetize after installation.


SmCo magnets are mechanically weak, but magnetically very strong. They should be packed properly in order to help user to handle them safely.

     

Magnetic Properties of SmCo Magnets:

GradeResidual InductionCoercive ForceIntrinsic Coercive ForceMaximum Energy ProductMaximum Working Temperature
BrHcbHcj(BH)maxTw
mTkA/mkA/mkJ/m3
[kGs][kOe][kOe][MGOe]
SmCo5YX18820-920639-7561194-1751127-159250°
[8.2-9.2][8-9.5][15-22][16-20]
YX20870-950639-7561194-1751143-175
[8.7-9.5][8-9.5][15-22][18-22]
YX22930-1000660-7721194-1751159-191
[9.3-1.0][8.3-9.7][15-22][20-24]
YX24960-1040660-7801194-1751175-207
[9.6-10.4][8.3-9.8][15-22][22-26]
Sm2Co17YXS24M960-1040318-772398-955175-207350°
[9.6-10.4][4-9.7][5-12][22-26]
YXS24960-1040660-780≥1194175-207
[9.6-10.4][8.3-9.8][≥15][22-26]
YXS24H960-1040660-780≥1592175-207
[9.6-10.4][8.3-9.8][≥20][22-26]
YXS26M1170-1220318-796398-955191-223
[10-10.7][4-10][5-12][25-28]
YXS261170-1220677-820≥1194191-223
[10-10.7][8.5-10.3][≥15][25-28]
YXS26H1170-1220677-820≥1592191-223
[10-10.7][8.5-10.3][≥20][25-28]
YXS28M1040-1110318-796398-955207-239
[10.4-11][4-10][5-12][26-30]
YXS281040-1110677-820≥1194207-239
[10.4-11][8.5-10.3][≥15][26-30]
YXS28H1040-1110677-820≥1592207-239
[10.4-11][8.5-10.3][≥20][26-30]
YXS30M1070-1120318-796398-955223-247
[10.7-11.2][4-10][5-12][28-31]
YXS301070-1120677-820≥1194223-247
[10.7-11.2][8.5-10.3][≥15][28-31]
YXS32M1090-1150318-796398-955238-262
[10.9-11.5][4-10][5-12][29-32]
YXS321090-1150677-820≥1353238-262
[10.9-11.5][8.5-10.3][≥12][29-32]
Low Temp Coeff Sm2Co17YXL22LT930-1000677-756≥1194159-191350°
[9.3-10][8.5-9.5][≥15][20-24]
YXL24LT960-1040677-756≥1194175-207
[9.6-10.4][8.5-9.5][≥15][22-26]
YXL26LT1000-1070677-812≥1433191-223
[10-10.7][8.5-10.2][≥18][25-28]

Physical Properties of SmCo Magnets:

GradeModulus of elasticyUltimate tensile strengthDensityElectrical ResistivityCurie temperatureRecoil permeabilityTemp.Coeff.of Br
SmCo523 x 106 psi6 x 103 psi8.2 g/cm35 µ-ohm-cm/cm2750-770℃1.05From -0.043 to -0.045% / ℃
Sm2Co1717 x 106 psi5 x 103 psi8.4 g/cm386 µ-ohm-cm/cm2825-850℃1.05From -0.03 to -0.032% / ℃



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Mr. Bill Jiang (Sales Manager)
Tel: 86-574-28850393
Enter between 20 to 3,000 chatacters.
Contact Method
Risheng Magnets International Co., Ltd.
NO.312, Renming road, Jiangbei district, Ningbo, Zhejiang, China (Mainland) / 315000
Fax: 86-574-28850383
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