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Sintered Samarium Cobalt (SmCo) Magnets                                                                          Sintered NdFeB Magnets

Sintered samarium cobalt (SmCo) magnet is a high performance, low temperature coefficient permanent magnet, which made of samarium, cobalt and other rare earth elements. The biggest advantage is its high working temperature, the maximum working temperature is up to 300≧. It doesn't need to be coated because it is difficult to be eroded and oxidized. SmCo magnet is widely used in motors, watch, transducers, instruments, positional detector, generators, radar and other applications.

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Typical Magnetic Properties
Grade Alloy Series Br Hcb Hcj (BH)max Density Curie Temp Working Temp
mT Gs kA/m Oe kA/m Oe kJ/m3 MGOe g/cm3
S18 1:5 800 8000 640 8000 1430 18000 144 18 8.10 750 250
S20 850 8500 640 8000 1590 20000 160 20 8.20 750 250
S22 900 9000 650 8200 1430 18000 176 22 8.20 750 250
S24 2:17 980 9800 676 8500 1430 18000 192 24 8.30 800 280
S24H 980 9800 676 8500 1989 25000 192 24 8.30 800 330
S26L 1050 10500 410 5150 432 5430 208 26 8.30 800 180
S26 1000 10000 726 9000 1194 15000 208 26 8.30 800 250
S26M 1000 10000 716 9000 1590 20000 208 26 8.30 800 300
S26H 1000 10000 716 9000 1989 25000 208 26 8.30 800 330
S28L 1070 10700 390 5000 438 5500 224 28 8.30 800 180
S28 1070 10700 756 9500 1194 15000 224 28 8.30 800 250
S28M 1030 10300 756 9500 1592 20000 224 28 8.30 800 300
S30L 1100 11000 398 5000 438 5500 240 30 8.30 800 180
S30 1100 11000 772 9700 1194 15000 240 30 8.30 800 250
S30M 1100 11000 772 9700 1592 20000 240 30 8.30 800 300

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