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0086-574-27903196
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0086-574-27903199
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no.65 dahetou road,ningbo,china
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Certificate
SmCo Magnets
Samarium Cobalt Magnet (SmCo magnets, magnet ring, magnet tiles, block magnets, magnet cylinder, rare earth magnet, strong magnet, permanent magnet)
SmCo magnet is a high performance, low temperature coefficient permanent magnet made of samarium and cobalt and other rare-earth elements. Its biggest advantage is its high working temperature---350℃,in general ,magnetizing field of approximately 30 to 45 KOe are required. It needn't 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.
Process Flow:
Raw material-----Mixing-----Melting-----Power-----Pressing-----Sintering----Magnetic ĦĦĦĦInspection-----Cutting and Grinding-----Inspection-----Packing and Shipping
MAGNETIC AND PHYSICAL PROPERTIES OF SINTERED SMCO MAGNET
| Grade | SmCo18 | SmCo20 | SmCo22 | SmCo24 | SmCo24 | SmCo26L | |
| Br | Mt | 840 | 890 | 930 | 980 | 980 | 1030 |
| Gs | 8400 | 8900 | 9300 | 9800 | 9800 | 10300 | |
| Hcj | KA/m | 605 | 637 | 637 | 676 | 676 | 398 |
| Oe | 7600 | 8000 | 8000 | 8500 | 8500 | 5000 | |
| Hcb | KA/n | 1432 | 1432 | 1432 | 1432 | 1989 | 438 |
| Oe | 18000 | 18000 | 18000 | 18000 | 25000 | 5500 | |
| (BH)max | KJ/m3 | 143 | 159 | 175 | 191 | 191 | 207 |
| MGOe | 18 | 20 | 22 | 24 | 24 | 26 | |
| Density | g/cm3 | 8.1 | 8.2 | 8.2 | 8.3 | 8.3 | 8.3 |
| Temperature Coefficient | Near Br %/K | -0.04 | -0.04 | -0.04 | -0.03 | -0.03 | -0.03 |
| Near Hcj %/K | -0.3 | -0.3 | -0.3 | -0.2 | -0.2 | -0.2 | |
| Curie Temperature Tc | ℃ | 750 | 750 | 750 | 800 | 800 | 800 |
| Maximum Working Temperature Tw | ℃ | 250 | 250 | 250 | 280 | 280 | 300 |
| Grade | SmCo26 | SmCo26 | SmCo26 | SmCo28 | SmCo28 | SmCo30 | SmCo30 | |
| Br | Mt | 1030 | 1030 | 1030 | 1070 | 1070 | 1100 | 1100 |
| Gs | 10300 | 10300 | 10300 | 10700 | 10700 | 11000 | 11000 | |
| Hcj | KA/m | 716 | 716 | 716 | 756 | 756 | 772 | 772 |
| Oe | 9000 | 9000 | 9000 | 9500 | 9500 | 9700 | 9700 | |
| Hcb | KA/n | 1194 | 1592 | 1989 | 1194 | 1592 | 1194 | 1592 |
| Oe | 15000 | 20000 | 25000 | 15000 | 20000 | 15000 | 20000 | |
| (BH)max | KJ/m3 | 207 | 207 | 207 | 223 | 223 | 239 | 239 |
| MGOe | 26 | 26 | 26 | 28 | 28 | 30 | 30 | |
| Density | g/cm3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 |
| Temperature Coefficient | Near Br %/K | -0.03 | -0.03 | -0.03 | -0.03 | -0.03 | -0.03 | -0.03 |
| Near Hcj %/K | -0.2 | -0.2 | -0.2 | -0.2 | -0.2 | -0.2 | -0.2 | |
| Curie Temperature Tc | ℃ | 800 | 800 | 800 | 800 | 800 | 800 | 800 |
| Maximum Working Temperature Tw | ℃ | 300 | 300 | 330 | 300 | 300 | 300 | 300 |
