China Alnico Magnets, Manufacturer, Supplier, Factory, Exporter in china

Alnico Magnet
Alnico magnet alloy is largely comprised of Aluminum, Nickel, Cobalt and Iron. Alnico is a moderately expensive magnet material because of the Cobalt and Nickel content. This alloy has very good corrosion resistance and a high maximum operating temperature. Some grades of this alloy can operate upwards of 550•C. Magnets made with this alloy are available in a variety of grades and dimensions and they are usually cast and finish ground to size. Alnico magnet material is a mature technology and it has a relatively low Energy Product (BHmax) . This material is now mainly used in military, aerospace, older proprietary designs and in applications where the magnet will be exposed to elevated temperaturesv


Alnico Magnet1
Magnetic Property of Alnico

MAGNETIC CHARACTERISTICS OF CAST ALNICO
1.Isotropy
  Br Hcb (BH)max D Tc Tw aBr MMPA
Equivalent
IEC
Equivalent
Grade [mT] [KAm] [Kj/M3] [g/m3] [•C] [•C] [%•C]
[Gs] [Oe] [MGOe]
LN9 690 37 9.0 6.9 760 450 -0.03 Alnico3 Alnico9/3
6900 470 1.13
LN10 600 40 10.0 6.9 760 450 -0.03 Alnico3 Alnico9/3
6000 500 1.25
LN12 720 45 12.0 7.0 810 450 -0.03 Alnico3 Alnico12/6
7200 600 1.50
LN13 700 48 13.0 7.0 810 450 -0.03 Alnico3 Alnico12/6
7000 600 1.63

MAGNETIC CHARACTERISTICS OF CAST ALNICO
  Br Hcb (BH)max D Tc Tw aBr MMPA
Equivalent
IEC
Equivalent
Grade [mT] [KAm] [Kj/M3] [g/m3] [•C] [•C] [%•C]
[Gs] [Oe] [MGOe]
LN16 800 53 16.0 7.3 850 525 -0.02 [Alnico4] /
8000 660 2.00
LN18 1050 46 30.0 7.3 850 525 -0.02 [Alnico4] /

MAGNETIC CHARACTERISTICS OF CAST ALNICO
1.Isotropy
  Br Hcb (BH)max D Tc Tw aBr MMPA
Equivalent
IEC
Equivalent
Grade [mT] [KAm] [Kj/M3] [g/m3] [•C] [•C] [%•C]
[Gs] [Oe] [MGOe]
LNG32 1180 46 32.0 7.3 890 525 -0.02 [Alnico5] /
11800 575 4.00
LNG34 1180 46 34.0 7.3 890 525 -0.02 [Alnico5] /
11800 575 4.25
LNG37 1200 48 7.0 7.3 890 525 -0.02 Alnico5 Alnico37/5
12000 600 4.65
LNG40 1250 48 40.0 7.3 890 525 -0.02 Alnico5 /
LNG44 1250 52 44.0 7.3 890 525 -0.02 Alnico5 Alnico44/5
12500 650 45.0
LNG48 1250 52 48.0 7.3 890 525 -0.02 Alnico5DG Alnico52/6
12500 650 6.00
LNG52 1300 56 52.0 7.3 890 525 -0.02 Alnico5DG Alnico52/6
13000 700 6.50
LNG60 1350 56 60.0 7.3 890 525 -0.02 Alnico5~7 /

MAGNETIC CHARACTERISTICS OF CAST ALNICO
1.Isotropy
  Br Hcb (BH)max D Tc Tw aBr MMPA
Equivalent
IEC
Equivalent
Grade [mT] [KAm] [Kj/M3] [g/m3] [•C] [•C] [%•C]
[Gs] [Oe] [MGOe]
LNGT28 1050 56 28.0 7.3 860 525 -0.02 Alnico6 Alnico26/6
10500 700 3.50
LNGT18 580 90 18.0 7.3 860 550 -0.03 [Alnico7] Alnico17/9
5800 1130 2.2
LNGT32 800 100 32.0 7.3 860 550 -0.03 Alnico8 Alnico38/11
8000 1250 4.0
LNGT34 800 104 34.0 7.3 860 550 -0.03 Alnico8 Alnico38/11
8000 1300 4.25
LNGT38 820 110 38.0 7.3 860 550 -0.03 Alnico8 Alnico38/11
8200 1380 4.75
LNGT44 880 120 44.0 7.3 860 550 -0.03 Alnico8 /
8800 1500 5.50
LNGT60 900 110 60.0 7.3 860 550 -0.03 Alnico9 Alnico11
9000 1380 7.50
LNGT72 1050 112 72.0 7.3 860 550 -0.03 Alnico9 /
10500 1410 9.00
LNGT82 1100 120 82.0 7.3 860 550 -0.03 Alnico9 /
11000 1500 10.25
LNGT36J 700 140 36.0 7.3 860 550 -0.03 Alnico8HC Alnico36/15

Typical Physical Properties of Alnico
Curie Temperature(•C) 860
Maximum Operating Temperature(•C) 450-550
Resistivity(µ ohm.cm) 47-54
Hardness(Hv) 520-630
Density(g/cm3) 6.90-7.30
Relative Recoil Permeability(µrec) 1.70-4.70
Saturation Field Strength,Koe(kA/m) 2.7-6.3(215-5000)
Temperature Coefficient of Br(%/•C) -0.025~-0.02
Temperature Coefficient of Hc(%/•C) +0.01~+0.03
Alnico bar magnets
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China NingBo Souwest Magnetech Development Co.,Ltd
Add: Xiepu Guangyuan Industrial Zhenghai,Ningbo,China(315200)
Contact: Wu Wang Rui
Tel: +86-574-86503104; 86503105;
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E-mail:sales@magnetsw.com
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