SmCo Magnets

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Permanent Magnets

Samarium cobalt magnets

Samarium cobalt (SmCo) magnets offer strong magnetic properties and excellent temperature resistance, making them ideal for demanding environments where other magnets may lose performance. Available in cylindrical, rectangular, and ring shapes, these magnets are widely used in motors, generators, measuring instruments, electronic components, and medical devices. Their corrosion resistance and thermal stability make them a preferred choice for applications that require reliable magnetic performance under extreme conditions.

Specifications

Grade	Remanence		Coercivity		Intrinsic coercivity		Max. energy product (BH)max
	Br		HcB		HcJ		Max. energy product (BH)max
	kG	mT	kA/m	kOe	kA/m	kOe	kJ/m³	MGOe
YX16	7.5-8.8	750-880	597 /-40	7.5 /-0.5	≥1989	≥25	127 /-16	16 /-2
YX18	8.0-9.3	800-930	637 /-40	8 /-0.5	≥1432	≥18	143 /-16	18 /-2
YX20	8.5-9.8	850-980	637 /-40	8 /-0.5	≥1273	≥16	159 /-16	20 /-2
YXT18	9.0-10.3	900-1030	637 /-40	8 /-0.5	≥1194	≥15	143 /-16	18 /-2
YX22A	9.0-10.3	900-1030	653 /-40	8.2 /-0.5	≥1989	≥25	175 /-16	22 /-2
YX22B	9.0-10.3	900-1030	635 /-40	8.2 /-0.5	≥1432	≥18	175 /-16	22 /-2
YX24	9.5-10.8	950-1080	676 /-40	8.5 /-0.5	≥1432	≥18	191 /-16	24 /-2
YX26A	10.0-11.3	1000-1130	716 /-40	9.0 /-0.5	≥1194	≥15	207 /-16	26 /-2
YX26B	10.0-11.3	1000-1130	716 /-40	9.0 /-0.5	≥796	≥10	207 /-16	26 /-2
YX27	10.0-11.0	1000-1100	357-516	4.5-6.5	413-556	5.2-7.0	183-223	26 /-2
YX30	11.0-12.0	1100-1200	438-517	5.5-6.5	454-597	5.7-7.5	239 /-16	30 /-2

Temperature coefficient α Br	Density D	Curie temperature Tc	Recoil permeability μrec	Operating temperature	Product type
%/℃	g/cm³	℃	Recoil permeability μrec	℃	Product type
-0.05	8.0-8.2	700-750	1.1	250	YX16,YX18,YX20
-0.01	8.3-8.5	≥800	1.1	250	YXT18
-0.03	8.3-8.5	≥800	1.1	250	YX22A,YX22B, YX26A,YX26B, YX24,YX27, YX30