sintered smco ring permanent magnet

1. This is SmCo magnet, it is the rare earth magnet, and it was found at 1970's.
It was manufactured by sinter and compression mould.
2. SmCo magnet is also named with SoCo magnetic steels, SmCo permanent magnets, SoCo permanent magnetic iron and rare earth cobalt permanent magnet. It is a high performance, low temperature coefficient permanent magnet with its high working temperature-350 degree centigrade. When working above 180 degree centigrade, its maximum energy prodcut BH and steady temperature are superior than NdFeB magnetic material. It needn't to be coated because it is difficult to be eroded and oxidized.
3. SmCo ring magnets widely used in radar comminications, medical equipments etc.

Materia	Grade	Max Engery product	Remanence	Coercive Force	Intrinsic Coercive Force	Temp Coeff	Density	Curie Temp	Working Temp
		(BH)max	Br	Hcb	Hcj	αBr	D	Tc	Tw
		KJ/m3(MGOe)	mT(KGs)	KA/m(KOe)	KA/m(KOe)	%/ ℃	g/cm3	℃	℃
Sm1Co5	18A	143(18)	850(8.5)	597(7.5)	1273(16.0)	-0.04	8.2	740	250
	18B	143(18)	850(8.5)	660(8.3)	1600(20.0)
	19	150(19)	900(9.0)	690(8.7)	900(11.3)
	20A	159(20)	900(9.0)	613(7.7)	1989(25.0)
	20B	160(20)	900(9.0)	660(8.3)	900(11.3)
	20C	160(20)	900(9.0)	680(8.5)	1270(16.0)
	21	165(21)	920(9.2)	710(8.9)	1600(20.0)
	22A	175(22)	940(9.4)	700(8.8)	900(11.3)
	22B	180(22)	950(9.5)	720(9.0)	1270(16.0)
Sm2Co17	24C	191(24)	1000(10.0)	356(4.5)	413(5.2)	-0.03	8.3	820	350
	24D	190(24)	1000(10.0)	480(6.0)	560(7.0)
	24E	190(24)	1010(10.1)	675(8.5)	1300(16.0)
	24F	190(24)	980(9.8)	710(8.9)	900(11.3)
	24G	190(24)	1000(10.0)	740(9.3)	2070(26.0)
	24H	195(24)	1020(10.2)	748(9.4)	1433(18.0)
	25	205(26)	1040(10.4)	700(8.8)	1300(16.0)
	26A	205(26)	1020(10.2)	420(5.2)	440(5.5)
	26B	207(26)	1030(10.3)	716(9.0)	1432(18.0)
	26C	210(26)	1020(10.2)	740(9.3)	900(11.3)
	26D	205(26)	1050(10.5)	756(9.5)	1433(18.0)
	26E	210(26)	1070(10.7)	780(9.8)	2070(26.0)
	28A	220(28)	1080(10.8)	420(5.2)	440(5.5)
	28B	223(28)	1100(11.0)	438(5.5)	454(5.7)
	28C	220(28)	1090(10.9)	520(6.5)	560(7.0)
	28D	224(28)	1110(11.1)	640(8.0)	1040(13.0)
	28E	225(28)	1060(10.6)	760(9.6)	900(11.3)
	28F	220(28)	1080(10.8)	780(9.8)	955(18.0)
	28G	220(28)	1100(11.0)	820(10.3)	2070(26.0)
	30A	240(30)	1100(11.0)	780(9.8)	900(11.3)

                                                  The demagnetized curve of sintered SmCo magnet

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Category: SmCo Ring Magnets
Related Category: SmCo Arc Magnets  SmCo Disc Magnets  SmCo Cylinder Magnets  SmCo Block Magnets