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Help CenterHigh Magnetic Alnico 8 Magnet , Aerospace / Automobile Magnet
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Certification:ISO 9001: 2008
High Magnetic Cast Alnico 8 Magnet Used In Security systems
Quick Detail:
1. Density - 7.3 g/cm3
2. Manufacturing process - casting (most common)
3. Various shapes- blocks, bars, discs, rings, horseshoes, cylinders, etc.
4. Cast Surface
Cast Alnico magnet is composed primarily of Aluminum, Nickel, Cobalt, Copper and Iron. It has very good corrosion resistance and high temperature operation.
Although other magnetic materials offer greater energy and coercivity values, the high remanence and thermal stability of AlNiCo makes it the most effective magnetic material for certain applications, like generator, microphone, lifting, voltmeter and measuring instruments. It is widely applied in high stability fields like aerospace, military, automobile and security systems.
|
Physical Properties of Cast Alnico |
|
|
Curie Temperature (℃) |
760-890 |
|
Max. Operating Temperature (℃) |
450-550 |
|
Resistivity (μohm.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) |
2.7-6.3/215-500 |
|
Temperature Coefficient of Br (%/℃) |
-0.025 ~ -0.02 |
|
Temperature Coefficient of iHc (%/℃) |
+0.01 ~ +0.03 |
Applications:
Holding magnets
Sensors and transformers
Security systems
Relays
Chucks
Instrumentations
Magnetic switches
Safety Controls
Motors and Generators
Receivers
Telephones
Microphones
Bell ringers
Loudspeakers
Performance of Cast AlNiCo Magnets
|
Grade |
Br |
Hcj |
Bhmax |
D |
MMPA |
α %/°C |
TC. |
TW. |
|
*LNGT18 |
5.8(580) |
1250 (100) |
2.20 (18.0) |
7.3 |
Alnico8 |
-0.02(+0.03) |
860 |
550 |
|
LNGT32 |
8.0(800) |
1250 (100) |
4.00 (32.0) |
7.3 |
Alnico8 |
-0.02(+0.03) |
860 |
550 |
|
LNGT40 |
8.0(800) |
1380 (110) |
5.00 (40.0) |
7.3 |
Alnico8 |
-0.02(+0.03) |
860 |
550 |
|
LNGT60 |
9.0(900) |
1380 (110) |
7.50 (60.0) |
7.3 |
Alnico9 |
-0.02(+0.03) |
860 |
550 |
|
LNGT72 |
|
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