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Shanghai CJ Magnet Industry Co., Ltd.
Shanghai CJ Magnet Industry Co., Ltd. Manufacturer---NdFeB Magnet, Ferrite Magnet, Alnico Magnet, SmCo Magnet
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super strong Samarium Cobalt neodymium Magnet Permanent 0.82 – 1.16 T Remanence

super strong Samarium Cobalt neodymium Magnet Permanent 0.82 – 1.16 T Remanence

Brand Name : CJ MAG
Model Number : CJ360
Certification : ISO9001 ISO14001 ISO/TS16949
Place of Origin : Shanghai
MOQ : 100/1000/10000pcs
Price : USD0.001-50/pc
Payment Terms : T/T, Western Union
Supply Ability : 350 ton per year
Delivery Time : 7-15 work days
Packaging Details : Standard sea or air package
Brand name : CJ magnet
Our own factory : two factory, one in Anji near by Shanghai and Hangzhou, another in Ningbo
Our advanced equipment : introductions from Germany and Japan, such as ICP, HAST chamber,etc Laser Particle Analyzer etc.
Type : Permanent
Grade : SmCo-16,SmCo-18,SmCo-20,SmCo-22,SmCo-24 and so on
Material : SmCo5 and Sm2Co17
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Sintered Samarium Cobalt Magnet Rare Earth Permanent 0.82 – 1.16 T Remanence

TOP quality rare earth permanent samarium cobalt sintered magnet

About us
► Shanghai CJ Magnetic Industry aim to be the professional supplier of magnetic material , magnetic applications and magnetic solutions. We are innovating our products with high technology , gaining market with good quality , creating brand with excellent performance .

► What the most important is that we continue to improve ourselves tp meat clients’ requirement .

  • Vision: to be the professional supplier of magnet, magnetic systems and solutions;

  • Mission: to be effiecient, to be energy-saving, to be eco-friendly--for a better future;

  • Management belief:We continuously improve technologies, products, and customers experiences. We share all values with all of you.

  • Conduct code:Take ownership / Satisfy customers / Challenge and improve all we do / Trust Act as a team Be honest.

What is Smco magnet?

A samarium–cobalt (SmCo) magnet, a type of rare earth magnet, is a strong permanent magnet made of an alloy of samarium and cobalt. They were developed in the early 1970s by Albert Gale and Dilip K. Das of Raytheon Corporation.[1] They are generally ranked similarly in strength to neodymium magnets,[2] but have higher temperature ratings and higher coercivity. They are brittle, and prone to cracking and chipping. Samarium–cobalt magnets have maximum energy products (BHmax) that range from 16 megagauss-oersteds (MGOe) to 33 MGOe, that is approx. 128 kJ/m3 to 264 kJ/m3; their theoretical limit is 34 MGOe, about 272 kJ/m3. They are available in two "series", namely Series 1:5 and Series 2:17.


Fender is using one of legendary designer Bill Lawrence's latest designs named the Samarium Cobalt Noiseless series ofelectric guitar pickups in Fender's Vintage Hot Rod '57 Stratocaster.[6] The Samarium Cobalt Noiseless Pickups were used inAmerican Deluxe Series Guitars and Basses from 2004 until Early 2010.[7] In the mid 1980s some expensive headphones such as the Ross RE-278 utilised Samarium Cobalt "Super Magnet" transducers.

Other uses include:

  • High-end electric motors used in the more competitive classes in slotcar racing
  • Turbomachinery
  • Traveling-wave tube field magnets
  • Applications that will require the system to function at cryogenic temperatures or very hot temperatures (over 180 °C)
  • Applications in which performance is required to be consistent with temperature change
  • Benchtop NMR spectrometers

Compared with Neo

Remanence (T)1–1.30.82–1.16
Coercivity (MA/m)0.875–1.990.493–1.59
Relative permeability1.051.05
Temperature coefficient of remanence (%/K)−0.12−0.03
Temperature coefficient of coercivity (%/K)−0.55..–0.65−0.15..–0.30
Curie temperature (°C)320800
Density (g/cm3)7.3–7.58.2–8.4
CTE, magnetizing direction (1/K)5.2×10−65.2×10−6
CTE, normal to magnetizing direction (1/K)−0.8×10−611×10−6
Flexural strength (N/mm2)250150
Compressive strength (N/mm2)1100800
Tensile strength (N/mm2)7535
Vickers hardness (HV)550–650500–650
Electrical resistivity (Ω·cm)(110–170)×10−686×10

Our Advantages

  • We own a series of advanced production and R&D facilities from domestic and overseas, and we successively introduce the first-class experts and professional technicista od permanent magnet filed from our country.
  • Based on our persistent technology innovation, we successfully apply 13 national patents, 3 invention patents included.
  • We stricrly carry out the Quality Management System:ISO9001:2008, ISO/TS16949:2009, and ISO14001:2004.
  • Our advanced production and testing equipment ensure our products with high consistency and high stability.Most of our advanced equipment are from Germany and Japan, such as ICP, HAST chamber, Laser Particle Analyzer etc.

Product Tags:

Sintered Samarium Cobalt Magnet


cobalt samarium magnets

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