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Typical Magnetic and Physical Properties of Alnico Magnet Material
Magnetic
Material
Density
Max. Energy Product BH (max)
Residual Induction BR
Coercive Force HC
Intrinsic Coercive Force HC
Normal Maximum Operating Temp.
Curie Temp.
lbs/in
g/cm
MGO
Gauss
Oersteds
Oersteds
Fº
Cº
Fº
Cº
Alnico 5 (cast)
0.264
7.3
5.5
12800
640
640
975
525
1580
860
Alnico 8 (cast)
0.262
7.3
5.3
8200
1650
1860
1020
550
1580
860
Alnico 5 (sintered)
0.250
6.9
3.9
10900
620
630
975
525
1580
860
Alnico 8 (sintered)
0.252
7.0
4.0
7400
1500
1690
1020
550
1580
860