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SmCo magnet is a high performance low temperature coefficent permanent magnet made of samarium and cobalt and other rare-earth elements.Its biggest advantage is its high working temperature---350 degree centigrade.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 etc.
SmCo Other Physical Properties
Sm2Co17
Temperature Coefficent of Br(%/°C) -0.03
Temperature Coefficent of iHc(%/°C) --0.2
Curie Temperature(°C) 800-850
Density(g/cm 3 ) 8.3-8.5
Vickers Hardness(HV) 500-600
Working Temperature(°C) 350
Br Hcb Hcj (BH)max TC TW Temperature
Coefficient
of Br
Temperature
Coefficient
of iHc
Material Grade Remanence
Br
Coercivity Force Intrinsic Coercivity Maximun Energy Curie
Temperature
Max
Operatin
Temperature
Sm2Co17
Sm2
(CoFecuzr)17
YXG-
24H
0.95-1.02 9.5-
10.2
700-750 8.7-9.4 =1990 =25 175-191 22-24 800 350 -0.03 -0.2
YXG-
26H
1.02-1.05 10.2-
10.5
750-780 9.4-9.8 =1990 =25 191-207 24-26 800 350 -0.03 -0.2
YXG-
28H
1.03-1.08 10.3-
10.8
756-796 9.5-10 =1990 =25 207-220 26-28 800 350 -0.03 -0.2
YXG-
30H
1.08-1.10 10.8-
11.0
788-835 9.9-10.5 =1990 =25 220-240 28-30 800 350 -0.03 -0.2
YXG-
24
0.95-1.02 9.5-
10.2
700-750 8.7-9.4 =1433 =18 175-191 22-24 800 300 -0.03 -0.2
YXG-
26
1.02-1.05 10.2-
10.5
750-780 9.4-9.8 =1433 =18 191-207 24-26 800 300 -0.03 -0.2
YXG-
28
1.03-1.08 10.3-
10.8
756-796 9.5-10 =1433 =18 207-220 26-28 800 300 -0.03 -0.2
YXG-
30
1.08-1.10 10.8-
11.0
788-835 9.9-10.5 =1433 =18 220-240 28-30 800 300 -0.03 -0.2
YXG-
26M
1.02-1.05 10.2-
10.5
750-780 9.4-9.8 955-1273 12-16 191-207 24-26 800 300 -0.03 -0.2
YXG-
28M
1.03-1.08 10.3-
10.8
756-796 9.5-10.0 955-1273 12-16 207-220 26-28 800 300 -0.03 -0.2
YXG-
30M
1.08-1.10 10.8-
11.0
788-835 9.9-10.5 955-1273 12-16 220-240 28-30 800 300 -0.03 -0.2
YXG-
28L
1.02-1.08 10.2-
10.8
398-445 5.0-5.6 400-520 5.2-6.5 207-220 26-28 800 250 -0.03 -0.2
YXG-
30L
1.08-1.15 10.8-
11.5
398-445 5.0-5.6 400-520 5.2-6.5 220-240 28-30 800 250 -0.03 -0.2
Low
temperature coefficient Sm2Co17 (SmEr)2
(CoTM)17
LTC
(YXG-
22)
0.94-0.98 9.4-
9.8
668-715 8.4-9.0 1194-1591 15-20 167-183 21-23 840 300 Temperature Temperature
Coefficient
of Br %°C
-50-25°C +0.005
20-100°C +0.012
100-200°C +0.006
200-300°C -0.025
Demagnetization
curves of sintered
magnet SM2CO17 at
different temperatures

Contact Information
San Huan (Ningbo) Nd-Fe-B Magnetics Co.,Ltd
Add:JIa tian Bridge,Ci Cheng,Ningbo,China Code:315031
Tel:0086-574-87592514  87572185  13805898815
Fax:0086-574-87592024
Web Site:http://www.shnfb.com
E-mail:shnfb2@cnool.net

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