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Blocks Shape Cast Alnico Magnet , Sintered Alnico Magnet OEM
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Blocks Shape Cast Alnico Magnet , Sintered Alnico Magnet OEM

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Blocks Shape Cast Alnico Magnet , Sintered Alnico Magnet With OEM

 

 

Quick Detail:

 

1. Density - 7.2 g/cm3

2. Manufacturing process - Sintering

3. Various shapes- blocks, bars, discs, rings, cylinders, complex shape,etc.

 

Sintered Alnico magnet is composed primarily of Aluminum, Nickel, Cobalt, Copper and Iron. Sintered aluminum nickel and cobalt uses the powder metallurgy method to make, easy to process small size and easy to control the tolerance, suitable for complex shape, light, thin, small products. but the magnetic properties is lower than the cast AlNiCo. It is an ideal material in high temperature application, which has high operating temperature up to 450°C and above, with excellent corrosion resistance. They can become partially demagnetized if they come in contact with other ferrous materials, special care is required during handling and storing. They are available in various grades depending on its application. Sintered Alnico have lower magnetic properties but offer higher mechanical characteristics.

 

Physical Properties of Cast Alnico

Curie Temperature ()

760-890

Max. Operating Temperature ()

450-550

Resistivity (μohm.cm)

47-54

Hardness (Hv)

500-630

Density (g/cm³)

6.80-7.25

Relative Recoil Permeability (μrec)

1.70-4.70

Saturation Field Strength (kOe,kA/m)

2.7-6.3/215-500

Temperature Coefficient of Br (%/)

-0.025 ~ -0.02

Temperature Coefficient of iHc (%/)

+0.01 ~ +0.03

 

 

Applications:

 

Instrumentations

Communications

Magnetic switches

Sensors and transformers

Safety Controls

Motors and Generators

Receivers

Telephones

Microphones

Bell ringers

Loudspeakers

Compass

 

 

Performance of Sintered AlNiCo Magnets

 

Grade

Br
KGs (Mt)

Hcj
Oe (KA/m)

Hcb
Oe (KA/m)

Bhmax
MGOe
(KJ/m3)

D
g/cm3

α %/°C

TC
°C

TW
°C

*FLN8

5.2(520)

540 (43)

500 (40)

1.0-1.25 (8-10)

6.8


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HUAXIA Magnet Co., Ltd
Lihuaqiao Village, Shounan Street, Shijiazhuang, Hebei, China (Mainland)
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