Sm-Co Sintered Magnet
Magnetic Properties of Normal Process Products
SmCo
NdFeB
Magnetic Properties
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| Code | Residual Flux density | Coercive force | Maximum Energy Product | Max. Tw (L/D=0.7) | Density | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Br | bHc | iHc | (BH)max | |||||||
| KG(min) | mT(min) | kOe(min) | KA/m(min) | kOe(min) | KA/m(min) | MGOe | KJ/m³ | ℃ | g / cm³ | |
| S19 | 8.5 | 850 | 7.8 | 630 | 15.0 | 1200 | 18~20 | 145~160 | ≤250 | 8.2 |
| S22 | 9.0 | 900 | 8.0 | 640 | 15.0 | 1200 | 20~22 | 160~175 | ≤250 | 8.2 |
| S22H | 9.0 | 900 | 8.0 | 640 | 18.0 | 1450 | 20~22 | 160~175 | ≤250 | 8.2 |
| S24* | 9.5 | 950 | 8.5 | 680 | 15.0 | 1200 | 22~24 | 175~195 | ≤300 | 8.3 |
| S24H* | 9.5 | 950 | 8.5 | 680 | 18.0 | 1450 | 22~24 | 175~195 | ≤350 | 8.3 |
| S26 | 10.0 | 1000 | 9.0 | 720 | 15.0 | 1200 | 24~26 | 195~210 | ≤300 | 8.3 |
| S26H | 10.0 | 1000 | 9.0 | 720 | 20.0 | 1600 | 24~26 | 195~210 | ≤350 | 8.3 |
| S28 | 10.5 | 1050 | 9.5 | 760 | 15.0 | 1200 | 26~28 | 210~225 | ≤300 | 8.3 |
| S28H | 10.5 | 1050 | 9.5 | 760 | 20.0 | 1600 | 26~28 | 210~225 | ≤350 | 8.3 |
| S30 | 10.8 | 1080 | 10.0 | 800 | 15.0 | 1200 | 28~30 | 225~245 | ≤300 | 8.3 |
Other Physical Properties
|
Sm Co5 |
Sm2Co17 |
|
|
Temp.Coff. of Br (% / ℃) |
-0.05 |
-0.03 |
|
Density ( g / cm2 ) |
8.2 – 8.4 |
8.3– 8.5 |
|
Vickers Hardness (HV) |
450 – 550 |
500 - 600 |
|
Curie Temperature ( ℃ ) |
700 – 750 |
800 - 850 |
|
Working Temperature ( ℃ ) |
250 |
250 |