Samarium Cobalt Ring Magnets, High Temperature SmCo Ring Magnets, Sintered SmCo Permanent Magnets, Customer Samarium Magnetic Rings, Samarium Cobalt (Rare Earth) SmCo5 Sm2Co17 China Supplier
Samarium Cobalt Ring Magnets Item NO. MPCO-SCR series
Material: Smco magnet
Shape: ring
Grade:Smco5,Sm2Co17 etc
Magnetic properties:Hcj,Hcb,BH,Br,BHmax,working temperature
Application:widely used in sensor,speakers,reed switches,motor,rotor,wind turbines/generators,AC/DC motors,drive motors,servo motors etc
Magnetization directions:by Axial or by radial
SmCo Ring Magnet is a common shape of SmCo Rare earth magnets. SmCo Magnets are perfect for high temperature application, as they can work properly at 250-300 °C. Stanford Magnets provide SmCo Ring Magnets for various applications.
Samarium Cobalt holds its standard property in higher maximum temperatures than neodymium, although its maximum strengh is less. The cost of SmCo material is the most expensive, so SmCo is recommended only when its performance is a high temperature environment is a concern.
1.SmCo permanent magnet has high magnetic energy product and high coercive force. Its properties are better than Alnico, ferrite permanent magnet. Its max. energy product is up to 239kJ/m3(30MGOe), which is three times of that of AlNiCo8 permanent magnet, eight times of that of ferrite permanent magnet (Y40). So the permanent magnetic component made from SmCo material is small, light and stable in property. It is widely applied to electro acoustic& telecommunication apparatus, electric motors, measure meters, peg-top electronic watch, microwave apparatus, magnetic mechanism, sensor and other static or dynamic magnetic routes. smco square magnet
2.The curie temp. of the SmCo permanent magnet is high and its temp. Coeff. is low. So it is suitable for use at 300, high temp.
3.SmCo permanent magnet is hear and bristle. Its rigidity strength, tensile strength and press strength are low. So it is not suitable for framework.
4.The main ingredient of SmCo permanent magnet is metal cobalt(CoY99.95%). So its price is high.
SmCo Magnet Characteristics
| Grade | BR | HcB | HcJ | BH(Max) | Curie temp | Work temp | Alloy series |
| MT Gs | KA/m Oe | KA/m Oe | KJ/m3 Mgoe | ºC | ºC |
| SmCo18 | 800 8000 | 640 8000 | 1430 18000 | 144 18 | 750 | 250 | 1:5 |
| SmCo20 | 850 8500 | 640 8000 | 1590 20000 | 160 20 | 750 | 250 |
| SmCo22 | 900 9000 | 650 8200 | 1430 18000 | 176 22 | 750 | 250 |
| SmCo24 | 980 9800 | 676 8500 | 1430 18000 | 192 24 | 800 | 300 | 2:17 |
| SmCo26L | 1050 10500 | 410 5150 | 432 5430 | 208 26 | 800 | 300 |
| SmCo26 | 1000 10000 | 726 9000 | 1194 15000 | 208 26 | 800 | 300 |
| SmCo26M | 1000 10000 | 716 9000 | 1590 20000 | 208 26 | 800 | 300 |
| SmCo28 | 1030 10300 | 760 9500 | 1430 18000 | 224 28 | 800 | 300 |
| SmCo28H | 1030 10300 | 760 9500 | 1590 20000 | 224 28 | 800 | 300 |
| SmCo30H | 1100 11000 | 480 6000 | 560 7000 | 240 30 | 800 | 300 |
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