China Alnico Permanent Manget Rare Earth Magnet Manufacturer and Supplier

Alnico Permanent Manget Rare Earth Magnet

Short Description:

Alnico Magnet is the alloy magnet of Aluminum, Nickel, Cobalt, Iron and other trace metal elements, which is the first generation of permanent magnet materials that developed at the earliest.

Alnico Permanent Magnet materials have the advantage of high Br (up to 1.5T) and low temperature coefficient, stable magnetic, high temperature resistance, moisture resistance and oxidation resistance. When the temperature coefficient is -0.02%/℃, the maximum operating temperature can reach 550℃. The disadvantage is that the coercivity is very low and the demagnetization curve is nonlinear. Therefore, although Alnico magnets are easily magnetized, they are also easy to demagnetize.

According to the production process, it can be divided into Sintered Alnico and Cast Alnico. The shape of the product is mostly round and square. Casting process can be processed into different sizes and shapes;

Compared with the casting process, the sintered product is limited to small size products. The dimensional tolerance of sintered blanks is better than that of the cast product while the magnetic properties are slightly lower than that of the cast product

Alnico is now widely used in magnetoelectric instruments, electromagnetic flowmeters, relays, teaching instruments, electric guitar pickups, microphones, sensors, traveling wave tubes, cow magnets and other fields.

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Grade	US Standard	Br	Hcb	(BH)max	Tc	Tw	T.C.α(Br)	T.C.α(Hcj)
		mT/Gs	kA/m /Oe	kJ/m3/MGOe	℃	℃	%/℃	%/℃
		Typical Value	Typical Value	Typical Value	Typical Value	Typical Value	Typical Value	Typical Value
LN10	ALNICO3	600/6000	40/500	10/1.25	750	550	-0.02	-0.03~-0.07
LNG10	ALNICO3	600/6000	44/550	10/1.25	750	550	-0.02	-0.03~-0.07
LNG12	ALNICO2	700/7000	44/550	12/1.50	800~850	550	-0.02	-0.03~-0.07
LNG13	ALNICO2	680/6800	48/600	13/1.63	800~850	550	-0.02	-0.03~-0.07
LNG16	ALNICO4	800/8000	48/600	16/2.00	800~850	550	-0.02	-0.03~-0.07
LNG18	ALNICO4	900/9000	48/600	18/2.25	800~850	550	-0.02	-0.03~-0.07
LNG37	ALNICO5	1200/12000	48/600	37/4.63	800~850	550	-0.02	-0.03~-0.07
LNG40		1230/12300	48/600	40/5.00	800~850	550	-0.02	-0.03~-0.07
LNG44		1250/12500	52/650	44/5.50	800~850	550	-0.02	-0.03~-0.07
LNG48	ALNICO5DG	1280/12800	56/700	48/6.00	800~850	550	-0.02	-0.03~-0.07
LNG52	ALNICO5DG	1300/13000	56/700	52/6.50	800~850	550	-0.02	-0.03~-0.07
LNG56	ALNICO5-7	1300/13000	58/720	56/7.00	800~850	550	-0.02	-0.03~-0.07
LNG60	ALNICO5-7	1330/13300	60/750	60/7.50	800~850	550	-0.02	-0.03~-0.07
LNGT28	ALNICO6	1000/10000	56/700	28/3.50	800~850	550	-0.02	-0.03~-0.07
LNGT30	ALNICO6	1100/11000	56/700	30/3.75	800~850	550	-0.02	-0.03~-0.07
LNGT18	ALNICO8	580/5800	80/1000	18/2.25	800~850	550	-0.02	-0.03~-0.07
LNGT32		800/8000	100/1250	32/4.00	800~850	550	-0.02	-0.03~-0.07
LNGT38		800/8000	110/1380	38/4.75	800~850	550	-0.02	-0.03~-0.07
LNGT44		850/8500	115/1450	44/5.50	800~850	550	-0.02	-0.03~-0.07
LNGT48	ALNICO8HE	900/9000	120/1500	48/6.00	800~850	550	-0.02	-0.03~-0.07
LNGT60	ALNICO9	900/9000	110/1380	60/7.50	800~850	550	-0.02	-0.03~-0.07
LNGT72		1050/10500	112/1400	72/9.00	800~850	550	-0.02	-0.03~-0.07
LNGT80		1080/10800	120/1500	80/10.00	800~850	550	-0.02	-0.03~-0.07
LNGT88		1100/11000	115/1450	88/11.00	800~850	550	-0.02	-0.03~-0.07
LNGT96		1150/11500	118/1480	96/12.00	800~850	550	-0.02	-0.03~-0.07
LNGT36J	ALNICO8HC	700/7000	140/1750	36/4.50	800~850	550	-0.02	-0.03~-0.07
LNGT48J		800/8000	145/1820	48/6.00	800~850	550	-0.02	-0.03~-0.07
LNGT52J		850/8500	140/1750	52/6.50	800~850	550	-0.02	-0.03~-0.07
Note: Curie temperature and temperature coefficient are only used as reference, not as judgment criteria. Customers have special requirements, can be customized according to customer requirements.