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Shanghai Richmag Electronics Co., Ltd.

Add : No. 76, Lane 1800, Xuefu Road, Jinshan District, Shanghai

Support hotline 021-60128580
021-60128581

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SmCo Magnets

Smco Magnet

Smco is made from Sm, Co and other Rare earth metal materials,mainly including SmCo5 and Sm2Co17.Magnetic property is second only to NdFeB. It is characterized by magnetic stability, heatresistance and strong corrosion resistance .The maximum operatingtemperature can come to 350 ℃; while it is breakable so that the processing is limited.

Magnetic Property :

牌号Grade	剩磁(Br)( KGs)	矫顽力(Hcb) ( Koe)	内禀矫顽力 (Hcj)(Koe)	最大磁能积(BH)max (MGoe)	建议工作温度(℃)Working Temperature
SmCo5
YX-5	4.30-5.00	≥3.80	≥15	4.0-5.0	≤250
YX-6	5.00-6.00	≥4.50	≥15	5.0-7.0	≤300
YX-16	7.50-8.50	≥7.00	≥15	14-17	≤250
YX-18	8.50-9.20	≥8.00	≥18	16-19	≤250
YX-20	8.80-9.50	≥8.30	≥18	18-21	≤250
YX-22	9.00-9.80	≥8.50	≥15	21-23	≤250
YX-24	9.5-10.30	≥9.00	≥15	22-25	≤250
Sm2Co17
YX-24A	9.5-10.30	5.0-6.0	6.00-8.50	22-25	≤200
YX-24B	9.5-10.30	≥9.00	≥15	22-25	≤250
YX-24C	9.5-10.30	≥9.00	≥25	22-25	≤300
YX-24D	9.5-10.30	≥9.00	≥30	22-25	≤350
YX-26A	10.0-10.7	5.0-6.0	6.00-8.50	24-27	≤200
YX-26B	10.0-10.7	≥9.00	≥15	24-27	≤250
YX-26C	10.0-10.7	≥9.00	≥25	24-27	≤300
YX-26D	10.0-10.7	≥9.00	≥30	24-27	≤350
YX-28A	10.3-11.0	5.0-6.0	6.00-8.50	26-29	≤200
YX-28B	10.3-11.0	≥9.00	≥15	26-29	≤250
YX-28C	10.3-11.0	≥9.00	≥25	26-29	≤300
YX-28D	10.3-11.0	≥9.00	≥30	26-29	≤350
YX-30A	10.8-11.3	5.0-6.0	6.00-8.50	28-31	≤200
YX-30B	10.8-11.3	≥9.00	≥15	28-31	≤250
YX-30C	10.8-11.3	≥9.00	≥25	28-31	≤300
YX-30D	10.8-11.3	≥9.00	≥30	28-31	≤350

physical characteristics:

Parameters	unit	SmCo5	Sm2Co17
Density	g/cm3	8.1-8.5	8.3-8.5
Curie Temperature	℃	700-750	800-850
Recoil Permeability		1.00-1.05	1.00-1.1
Hardness	Hv	450-500	500-600
Electrical Resistivity	Ω·cm	5-6×10-5	8-9×10-5
Compressive Strength	Mpa	420-680	700-830
Thermal Conductivity	W/m·k		12
Coefficient of Thermal Expansion(C ⊥)	10-6/℃	13	11
Coefficient of Thermal Expansion(C //)	10-6/℃	6	8
Saturation Field	kA/m	＞1600	＞3200