Alnico describes a family of materials, which is derived from a common base composition comprising of aluminum, nickel, cobalt and iron with varying additions of other elements .By varying the composition it is possible to tailor the magnetic properties to meet the needs of a wide variety of end use applications. There are two different manufacturing processes for Alnico: Cast Alnico can be made into many sizes and shapes, whereas Sintered Alnico is usually restricted to smaller sizes. However, both processes are not suitable for complex geometry and configurations, both alloy systems are hard and brittle and do not lend themselves to conventional machining. Standard Sintered Alnico has tighter dimensional tolerances due to its processing .It also has slightly lower magnetic properties, but better mechanical strength than Cast Alnico products. Alnico alloys, which possess the lowest reversible temperature coefficient magnetism in permanent magnet materials, have excellent working temperature up to 600°C. High Nickel content of Alnico alloy result in good stability against corrosion and oxidation, this metallic composition is also a good electrical conductor. Advantages for using Alnico: Excellent temperature characteristics Capable of working at a wide range of temperature up to 5500C High field strengths at medium prices Easy of magnetizing Compatible with most painting or plating systems (including nickel and copper) APPLICATION Inner magnetic voltmeter/ammeter,electronic type power energy measuring instrument,avometer,flowmeter; A wide range of magnetic sensor,polarized relay,temperature and pressure controller; Buzzer of Mobile phone,hearing aids,mini speaker; lighter of automobile,odometer of automobile and motorcycle,permanent motor,adsorptive appliance; Widely applied in high stability fields as aviation,spaceflight,and military technology. motorcycle,permanent motor,adsorptive appliance;Widely applied in high stability fields as aviation,spaceflight,and military technology.

Cast AlNiCo Magnet

Grade	Br		Hc		(BH)max		MMPA Equivalent	Temp. Coefficient	Tc	Tw
	mT	KGs	KA/M	Oe	KJ/m3	MGOe		%/
LN9	690	6.9	37	470	10.0	1.25	Alnico1	-0.03	760	500
LNG12	700	7	40	500	12.0	1.50	Alnico2	-0.03	810	500
*LNG13	680	6.8	48	600	12.0	1.50	Alnico2	-0.03	810	500
*LN10	600	6	40	500	10	1.2	Alnico3	-0.03	760	500
LNGT18	580	5.8	90	1130	18.0	2.20	[l.Alnico7]	-0.03	860	500
LNG16	800	8	53	660	16.0	2.00	[Alnico4]	-0.02	850	500
LNG34	1180	11.8	44	550	35.0	4.30	[Alnico5C]	-0.02	890	500
LNG37	1180	11.8	48	600	37.0	4.65	Alnico 5	-0.02	890	500
LNG40	1220	12.2	48	600	40.0	5.00		-0.02	890	500
LNG44	1220	12.2	52	650	44.0	5.50	Alnico 5 DG	-0.02	890	500
LNG 52	1250	12.5	55	690	52.0	6.50	Alnico 5-7	-0.02	890	550
LNG60	1300	13	56	700	60.0	7.50	Alnico 6	-0.02	890	500
LNGT28	1050	10.50	56	700	28.0	3.50	Alnico 8	-0.02	860	550
LNGT32	800	8	104	1300	34	4.25		-0.03	860	550
LNGT38	820	8.2	110	1380	38.0	4.75		-0.03	860	550
LNGT44	880	8.8	120	1500	44.0	5.50		-0.03	860	550
LNGT60	900	9	110	1380	60	7.5	Alnico 9	-0.03	860	550
LNGT72	1050	10.5	112	1410	72	9		-0.03	860	550
LNGT36J	700	7	140	1750	36	4.5	Alnico 8HC	-0.03	860	550

Typical Magnetic Performance Range for Sintered Alnico

Grade	Br		Hc		(BH)max		Tc	Tw	Temp. Coefficient	MMPA Equivalent	Remark
	mT	KGs	KA/m	Oe	KJ/m3	MGOe			%/
FLN8	550	5.5	42	530	9.0	1.13	760	450	-0.022	[S.Alnico3]	Isotropy
FLNG12	700	7	48	600	12.4	1.55	810	450	-0.014	S.Alnico2
FLNGT18	580	5.8	90	1130	18.0	2.20	860	450	-0.020	[S.Alnico7]
FLNG34	1100	11	48	600	34.0	4.25	890	450	-0.016	S.Alnico5	Anisotropy
FLNGT28	1000	10	56	700	28.0	3.50	850	450	-0.020	S.Alnico6
FLNGT38	800	8	120	1500	38.0	4.75	850	450	-0.020	S.Alnico8
FLNGT42	850	8.5	120	1500	42	5.25	820	450	-0.020
FLNG33J	680	6.8	140	1750	33.0	4.13	850	450	-0.025	S.Alnico8HC

Magnetic properties and physical features of isotropic AlNiCo bonded magnets

Property Grade	Residual Flux Density Br.	Coercive Force Hcb	Intrinsic Coercive force Hcj	Max. energy product (BH)max	Relative Recoil Permeability	Density d	Temp. Coefficient	Curie Temp. Tc	Recommended Magnetization Field
	KGs (mT)	Oe (KA/m)	Oe (KA/m)	MGOe (KJ/m3)	----------	g/cm3	%/K		Koe (KA/m)
AINiCo7/8	3.4 (340)	900 (72)	1050 (84)	0.88 (7.0)	3.0	5.6	-0.02	850	3.0 (240)
AINiCo8/10	3.5 (350)	1000 (80)	1200 (96)	1.00 (8.0)	3.0	5.8	-0.02	850

Sanxing Magnetic Materials Ind. Co., Ltd supplies different kind of AlNiCo magnets in a wide specification ranges with high quality, welcome to visit our website for more information and better understanding of our products:http://www.trade-magnet.com/productsc.html