SmCo Magnets

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SmCo Magnets

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The 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℃,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.

>>Production Chart of Sintered NdFeB

>>Magnetic Properties of Sintered SmCo Magnets

Magnetic Properties of Sintered SmCo Magnets
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 & Sm(Pr)Co	YX18	0.92	0.82	756	639	1751	1194	159	127	250
	YX18	9.2	8.2	9.5	8	22	15	20	16
	YX20	0.95	0.87	756	639	1751	1194	175	143
	YX20	9.5	8.7	9.5	8	22	15	22	18
	YX22	1	0.93	772	660	1751	1194	207	175
	YX22	10	9.3	9.7	8.3	22	15	24	20
	YX24	1.04	0.96	780	660	1751	1194	207	175
	YX24	10.4	9.6	9.8	8.3	22	15	26	22
Sm2Co17	YGX24M	1.04	0.96	772	318	955	398	207	175	350
	YGX24M	1.04	9.6	9.7	4	12	5	26	22
	YGX24	1.04	0.96	780	660	≥1194		207	175
	YGX24	10.4	9.6	9.8	8.3	≥15.0		26	22
	YGX24H	1.04	0.96	780	660	≥1592		207	175
	YGX24H	10.4	9.6	9.8	8.3	≥20.0		26	22
	YGX26M	1.07	1	796	318	955	398	223	191
	YGX26M	10.7	10	10	4	12	5	28	25
	YGX26	1.07	1	820	677	≥1194		223	191
	YGX26	10.7	10	10.3	8.5	≥15.0		28	25
	YGX26H	1.07	1	820	677	≥1592		28	25
	YGX26H	10.7	10	10.3	8.5	≥20.0		28	25

Magnetic Properties of Sintered SmCo Magnets
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	℃
Sm2Co17	YGX28M	1.1	1.04	796	318	955	398	239	207	350
	YGX28M	11	10.4	10	4	12	5	30	26
	YGX28	1.1	1.04	820	677	≥1194		239	207
	YGX28	11	10.4	10.3	8.5	≥15.0		30	26
	YGX28H	1.1	1.04	820	677	≥1592		239	207
	YGX28H	11	10.4	10.3	8.5	≥20.0		30	26
	YGX30M	1.12	1.07	796	318	955	398	247	223
	YGX30M	11.2	10.7	10	4	12	5	31	28
	YGX30	1.12	1.07	820	677	≥1194		247	223
	YGX30	11.2	10.7	10.3	8.5	≥15.0		31	28
	YGX32M	1.15	1.09	796	318	955	398	31	28
	YGX32M	11.5	10.9	10	4	12	5	32	29
	YGX32	1.15	1.09	820	677	≥955		262	238
	YGX32	11.5	10.9	10.3	8.5	≥12.0		32	29
Low Temp. Coeff Sm2Co17	YXG22LT	1	0.93	756	677	≥1194		191	159	350
	YXG22LT	10	9.3	9.5	8.5	≥15.0		26	22
	YXG24LT	1.04	0.96	756	677	≥1194		223	191
	YXG24LT	10.4	9.6	9.5	8.5	≥15.0		26	22
	YXG26LT	1.07	1	812	677	≥1433		223	191
	YXG26LT	10.7	10	10.2	8.5	≥18.0		28	25

>>Physical Properties of Sintered SmCo

Physical Properties of Sintered SmCo Magnets
Material	SmCo 1:5	SmCo 2:17
Br Temp. Coefficient (%/℃)	-0.04	-0.03
Curie Temp. (TC ℃)	750	800
Density (g/c m³)	8.1-8.2	8.3
Vickers Hardness (Hv)	400-500	500-600
Working Temp. (℃)	250	280-300

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