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Samarium Cobalt Magnet




Magnet performance
（Material) （Grade) (Br) （Hcb) （Hcj) (BH(max)) （TW)
T KA/m KA/m KJ/M3 ℃
KGs KOe KOe MGOe
max min max min max min max min
SmCo5 and Sm(Pr)Co XG18 0.92 0.82 756 639 1751 1194 159 127 250
9.2 8.2 9.5 8 22 15 20 16
XG20 0.95 0.87 756 639 1751 1194 175 143
9.5 8.7 9.5 8 22 15 22 18
XG22 1 0.93 772 660 1751 1194 191 159
10 9.3 9.7 8.3 22 15 24 20
XG24 1.04 0.96 780 660 1751 1194 207 175
10.4 9.6 9.8 8.3 22 15 26 22
Sm2Co17 XGS24M 1.04 0.96 772 318 955 398 207 175 350
10.4 9.6 9.7 4 12 5 26 22
XGS24 1.04 0.96 780 660 ≥1194 207 175
10.4 9.6 9.8 8.3 ≥15 26 22
XGS24H 1.04 0.96 780 660 ≥1592 207 175
10.4 9.6 9.8 8.3 ≥20 26 22
XGS26M 1.07 1 796 318 955 398 223 191
10.7 10 10 4 12 5 28 25
XGS26 1.07 1 820 677 ≥1194 223 191
10.7 10 10.3 8.5 ≥15 28 25
XGS26H 1.07 1 820 677 ≥1592 223 191
10.7 10 10.3 8.5 ≥20 28 25
XGS28M 1.1 1.04 796 318 955 398 239 207
11 10.4 10 4 12 5 30 26
XGS28 1.1 1.04 820 677 ≥1194 239 207
11 10.4 10.3 8.5 ≥15 30 26
XGS28H 1.1 1.04 820 677 ≥1592 239 207
11 10.4 10.3 8.5 ≥20 30 26
XGS30M 1.12 1.07 796 318 955 398 247 223
11.2 10.7 10 4 12 5 31 28
XGS32M 1.15 1.09 796 318 955 398 262 238
11.5 10.9 10 4 12 5 32 29
XGS32 1.15 1.09 820 677 ≥955 262 238
11.5 10.9 10.3 8.5 ≥12 32 29
Low Temp.Coeff Sm2Co17 XGL22LT 1 0.93 756 677 ≥1194 191 159 350
10 9.3 9.5 8.5 ≥15 24 20
XGL24LT 1.04 0.96 756 677 ≥1194 207 175
10.4 9.6 9.5 8.5 ≥15 26 22
XGL26LT 1.07 1 812 677 ≥1433 223 191
10.7 10 10.2 8.5 ≥18 28 25

Samarium cobalt magnet, one of the rare earth permanent magnets, is made of the mixed materials of metal cobalt, samarium or praseodymium by melted crushed, pressured and sintered. It includes SmCo5 (1:5), and Sm2Co17 (2:17).

Coating:  SmCo magnets have the anti-corrosion and oxidation resistance, so it does not need coating. But if customer needs coating, it can be plated with nickel, zinc, gold, or epoxy or other coating.

Application: Samarium cobalt magnets are widely used in medical equipment, apparatus, instrumentation, aerospace, defense industry, micro-wave devices, communications, sensors, magnetic processor, electrical, etc.