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SmCo Magnets - Samarium Cobalt Magnets
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Material Information |
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An alloy compose of SmCo5/Sm2Co17 produced by powder metallurgical method -
Extremely hard & brittle
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High demagnetization resistance
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Excellent anti-corrosion properties
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More expensive than NdFeB magnets because of limited raw material supply
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Outstanding thermal stability
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to receive a quotation within 48 hours!
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Typical Physical Properties |
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Curie Temperature (°C) |
700-800 |
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Maximum Operating Temperature (°C) |
350 |
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Resistivity (µ ohm.cm) |
50-90 |
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Hardness (Hv) |
450-600 |
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Density (g/cm3) |
8.0-8.5 |
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Relative Recoil Permeability (µrec) |
1.10 |
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Saturation Field Strength, kOe (kA/m) |
37.5 (3000) |
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Temperature Coefficient of Br (%/°C) |
-0.05 ~ -0.03 |
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Temperature Coefficient of iHc (%/°C) |
-0.25 ~ -0.19 |
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Magnetic Properties of SmCo Magnets (Samarium Cobalt)
| Material |
Grade |
Remanence |
Coercivity |
Intrinsic Coercivity |
Max. Energy Product |
| Br(mT) |
Br(kGs) |
bHc(kA/m) |
bHc(kOe) |
iHc
(kA/m) |
iHc
(kOe) |
(BH)max
(KJ/m3
| (BH)max
(MGOe) |
| SmCo5
| S16 |
750-800 |
7.5-8.0 |
557-637 |
7.0-8.0 |
1989 |
25 |
111-143 |
14-18 |
| S18 |
800-930 |
8.0-9.3 |
597-677 |
7.5-8.5 |
1432 |
18 |
127-159 |
16-20 |
| S20 |
850-980 |
8.5-9.8 |
597-677 |
7.5-8.5 |
1273 |
16 |
143-175 |
18-22 |
| S24 |
1000 |
10.0 |
680 |
8.5 |
1195 |
15 |
175-190 |
22-24 |
| Sm2Co17 |
S180 |
900-1030 |
9.0-10.3 |
597-677 |
7.5-8.5 |
1194 |
15 |
127-159 |
16-20 |
| S22A |
900-1030 |
9.0-10.3 |
613-693 |
7.7-8.7 |
1989 |
25 |
159-191 |
20-24 |
| S22B |
900-1030 |
9.0-10.3 |
613-693 |
7.7-8.7 |
1432 |
18 |
159-191 |
20-24 |
| S240 |
980-1080 |
9.8-10.8 |
636-716 |
8.0-9.0 |
1432 |
18 |
175-207 |
22-26 |
| S26A |
1000-1130 |
10.0-11.3 |
676-756 |
8.5-9.5 |
1194 |
15 |
191-223 |
24-28 |
| S26B |
1000-1130 |
10.0-11.3 |
676-756 |
8.5-9.5 |
796 |
10 |
191-223 |
24-28 |
| S280 |
1030-1130 |
10.3-11.3 |
716-796 |
9.0-10.0 |
1432 |
18 |
207-239 |
26-30 |
| S270 |
1000-1100 |
10.0-11.0 |
357-516 |
4.5-6.5 |
413 |
5.2 |
183-223 |
24-28 |
| S300 |
1100-1200 |
11.0-12.0 |
438-517 |
5.5-6.5 |
454 |
5.7 |
223-255 |
28-32 |
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to receive a quotation within 48 hours!
Typical Demagnetization Curves of SmCo Magnets
(Samarium Cobalt Magnets)
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More Information on SmCo Magnets
Other Magnetic Materials
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North America Office
4101B Broadway #204
L.I.C., New York 11103
nyc@bbautomacao.com
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Fax: 1-718-841-7216 |
Central & South Americas
Rua Benjamin Constant, 77 cj 606
Sao Paulo - SP - 01005-000
sp@automacao.com
No orders by phone
Cel.: (11) 3112-1683 |
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