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Alliance A-2S Alnico Magnetic Material  (discontinued **)
Categories: Metal; Electronic/Magnetic Alloy; Nonferrous Metal; Cobalt Alloy; Nickel Alloy

Key Words: Magnet Magnets
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Physical PropertiesOriginal ValueComments
Density >= 6.80 g/cc
 6.90 - 7.30 g/cc
 
Mechanical PropertiesOriginal ValueComments
Hardness, Vickers 300 - 500
Tensile Strength 65000 psi
Tensile Strength, Ultimate 80.0 - 300 MPa
Modulus of Elasticity 100 - 200 GPa
Modulus of Rupture 70.0 ksiTransverse
Compressive Strength 300 - 400 MPa
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.0000400 - 0.0000700 ohm-cm
 0.0000680 ohm-cm
@Temperature 20.0 °C
Magnetic Coercive Force, Hc 550 Oe
 570 OeIntrinsic
 550 - 600 Oe
 570 - 620 OeIntrinsic
Magnetic Remanence, Br 6800 - 7300 Gauss
 7100 Gauss
Magnetic Maximum Energy Product, BH 1.5 MGOe
 1.5 - 1.7 MGOe
Curie Temperature 810 °C
 810 °C
 
Thermal PropertiesOriginal ValueComments
CTE, linear 12.4 µm/m-°CParallel to M
 10.0 - 13.0 µm/m-°C
@Temperature 20.0 °C
Parallel DOM
Specific Heat Capacity 0.350 - 0.500 J/g-°C
Thermal Conductivity 10.0 - 200 W/m-K
Maximum Service Temperature, Air 450 °C
 <= 450 °CContinuous
 
Descriptive Properties
Reversible Temperature Coefficients-0.02β Hcj. %/°C
 -0.03α Br. %/°C

**
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