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Contact Person : Mr. chen qingjian
Company Name : Clime Magnet Manufactory Co.,Ltd
Tel : 86-574-27903196
Fax : 86-574-27903199
Address : zhejiang,Ningbo,no.65 dahetou road
Country/Region : China

Cast Alnico Magnets

Product Detailed

Alnico magnets are made primarily from aluminum, nickel, cobalt, copper, iron and sometimes titanium, There are two different manufacturing process for Alnico: Cast and Sintered Alnico. Cast Alnico can be made into intricate and complex shapes, which is not possible with other magnetic materials. It is high magnetic flux density, resistance to corrosion and excellent temperature stability, the maximum working temperature up to 600℃. Cast Alnico magnet is widely used in all kinds of sensors and meters, electronics, instruments, medical instruments, teaching, automobile, aviation, martial and other applications.

Process Flow:Raw Material-----Mixing---Melting-----Heat Treatment-----Magnetic Testing----Grinding-----Inspection-----Packing and Shipping
MAGNETIC AND PHYSICAL PROPERTIES OF CAST ALNICO MAGNET

Material Grade		LN10	LNG13	LNGT18	LNG37	LNG40	LNG44	LNG52	LNG60	LNGT28
Equivalent MMPA Class		ALNICO3	ALNICO2	ALNICO8	ALNICO5			ALNIC05DG	ALNICO5-7	ALNICO6
Br	mT	600	700	580	1200	1250	1250	1300	1350	1000
Br	Gs	6000	7000	5800	12000	12500	12500	13000	13500	10000
Hc	KA/m	40	48	100	48	48	52	56	59	57.6
Hc	Oe	500	600	1250	600	600	650	700	740	720
(BH)max	KJ/m3	10	12.8	18	37	40	44	52	60	28
(BH)max	MGOe	1.2	1.6	2.2	4.65	5	5.5	6.5	7.5	3.5
Density	g/cm3	6.9	7.2	7.3	7.3	7.3	7.3	7.3	7.3	7.3
Temper- ature Coef- ficient	Near Br %/K	-0.03	-0.03	-0.025	-0.02					-0.02
Temper- ature Coef- ficient	Near Hcj %/K	-0.02	-0.02	+0.02	+0.02					+0.03
Curie Tempe rature Tc	℃	810	810	860	850					850
Maximum Working Tempe- rature Tw	℃	450	450	550	525					525
Remark		Isotropy			Anisotropy

Material Grade			LNGT28	LNGT36J	LNGT38	LNGT40	LNGT60	LNGT72
Equivalent MMPA Class			ALNICO6	ALNICO8HC	ALNICO8		ALNICO9
Br		mT	1000	700	800	820	900	1050
Br		Gs	10000	7000	8000	8200	9000	10500
Hc		KA/m	57.6	140	110	110	110	112
Hc		Oe	720	1750	1380	1380	1380	1400
(BH)max		KJ/m3	28	36	38	40	60	72
(BH)max		MGOe	3.5	4.5	4.75	5	7.5	9
Density		g/cm3	7.3	7.3	7.3	7.3	7.3	7.3
Temperature Coefficient		Near Br %/K	-0.02	-0.025	-0.025	-0.025	-0.025	-0.025
Temperature Coefficient		Near Hcj %/K	+0.03	+0.02	+0.02	+0.02	+0.02	+0.02
Curie	Temperature Tc	℃	850	860	860	860	860	860
Maximum Working Temperature Tw		℃	525	550	550	550	550	550
Remark			Anisotropy