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Innovo International Trade Co.,Ltd Hengdian Group
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| Magnet |
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AlNiCo Magnets (Cast & Sintered) |
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Click to enlarge image
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Origin |
China |
http://www.eastsources.com/magnet/alnico.htm
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AlNiCo describes a family of material, 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 size and shapes, whereas Sintered AlNiCo is usually restricted to smaller sizes. However, both processes lead themselves to complex geometries and configurations. 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 which possess the lowest reversible temperature coefficient magnetism in permanent magnet materials have excellent working temperature up to 600°C. AlNiCo products are widely used in all kinds of meters and other application.
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Magnetic Properties of Cast Alnico
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GRADE
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Br
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Hcj
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(BH)max
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Density
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U.S. Standard
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% Change Per C
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Tc
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Tw
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mT
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Gs
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KA/m
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Oe
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KJ/m3
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MGOe
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g/cm3
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Near Br
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Near Hcj
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°C
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°C
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LN9
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680
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6800
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30
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380
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9.0
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1.13
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6.9
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AlNiCo 3
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-0.03
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-0.02
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810
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450
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LN10
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600
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6000
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40
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500
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10.0
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1.2
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6.9
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-0.03
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-0.02
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810
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450
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LN12
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720
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7200
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45
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500
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12.4
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1.55
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7.0
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AlNiCo 2
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-0.03
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-0.02
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810
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450
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LN13
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700
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7000
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48
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600
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12.8
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1.60
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7.0
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-0.03
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-0.02
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810
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450
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LN37
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1200
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12000
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48
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600
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37.0
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4.65
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7.3
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AlNiCo 5
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-0.02
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+0.02
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860
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525
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LNG40
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1250
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12500
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48
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600
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40.0
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5.00
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7.3
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-0.02
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+0.02
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860
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525
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LNG44
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1250
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12500
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52
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650
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44.0
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5.50
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7.3
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-0.02
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+0.02
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860
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525
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LNG52
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1300
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13000
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56
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700
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52.0
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6.50
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7.3
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AlNiCo 5DG
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-0.02
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+0.02
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86
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525
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LNG60
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1350
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13500
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59
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740
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60.0
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7.50
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7.3
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AlNiCo 5-7
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-0.02
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+0.02
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860
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525
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LNGT28
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1000
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10000
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58
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720
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28.0
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3.50
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7.3
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AlNiCo 6
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-0.025
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+0.03
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860
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525
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LNGT36J
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700
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7000
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140
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1750
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36.0
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4.50
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7.3
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AlNiCo 8HC
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-0.025
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+0.02
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860
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550
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LNGT18
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580
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5800
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100
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1250
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18.0
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2.20
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7.3
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AlNiCo 8
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-0.025
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+0.02
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86
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550
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LNGT32
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800
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8000
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100
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1250
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32.0
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4.00
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7.3
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AlNiCo 8
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-0.025
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+0.02
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860
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550
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LNGT40
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800
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8000
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110
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1380
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40.0
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5.00
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7.3
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-0.025
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+0.02
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860
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550
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LNG60
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900
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9000
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110
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1380
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60.0
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7.50
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7.3
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AlNiCo 9
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-0.025
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+0.02
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860
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550
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LNGT72
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1050
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10500
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112
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1400
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72.0
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9.00
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7.3
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-0.025
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+0.02
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860
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550
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Magnetic Properties of Sintered Alnico
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GRADE
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Br
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Hcj
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Hcb
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(BH)max
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Density
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% Change Per C
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Tc
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REMARKS
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mT
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Gs
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KA/m
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Oe
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KA/m
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Oe
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KJ/m3
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MGOe
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g/cm3
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%/K
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°C
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FLN8
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520
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5200
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43
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540
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40
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500
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8-10
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1.0-1.25
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6.8
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-0.022
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760
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ISOTROPIC
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FLNG12
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700
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7000
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43
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540
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40
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500
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12-14
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1.5-1.75
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7.0
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-0.014
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810
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FLNGT14
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570
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5700
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78
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980
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76
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950
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14-16
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1.75-2.0
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7.1
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-0.020
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850
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FLNGT18
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560
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5600
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90
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1130
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88
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1100
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18-22
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2.25-2.75
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7.2
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-0.020
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850
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FLNG28
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1050
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10500
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47
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590
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46
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580
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28-33
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3.5-4.15
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7.2
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-0.016
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850
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ANISOTROPIC
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FLNG34
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1100
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11000
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51
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640
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50
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630
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34-38
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4.3-4.8
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7.2
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-0.016
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890
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FLNGT28
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1000
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10000
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57
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710
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56
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700
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28-30
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3.5-3.8
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7.2
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-0.020
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850
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FLNGT31
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780
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7800
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106
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1130
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104
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1300
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33-36
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3.9-4.5
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7.2
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-0.020
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850
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FLNG33J
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650
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6500
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150
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1880
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136
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1700
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31-36
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4.15-4.5
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7.2
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-0.020
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850
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FLNGT38
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800
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8000
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126
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1580
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123
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1550
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38-42
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4.75-5.3
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7.2
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-0.020
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850
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FLNGT42
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880
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8800
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122
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1530
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120
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1500
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42-48
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5.3-6.0
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7.25
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-0.020
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850
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