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Alnico
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Printable BH Curve [PDF]

A571

Magnetic Component Engineering‍

SAE AS9100D AND ISO 9001:2015 CERTIFIED

Alnico
/
A571
Material Properties
Nom.
Min.
Br (Gauss)
13,000
12,800
Hc (Oersted)
730
700
Hk (Oersted)
N/A
N/A
Hci (Oersted)
730
700
BHmax (MGOe)
7.3
7
Temp Coeff of Br (%/°C)
-0.01
N/A
Recoil Permeability (µrec)
N/A
N/A
Tc, Curie Temperature (°C)
860
N/A
Maximum Operating Temperature (°C)
525
N/A
Physical Properties
Density (Ibs/in3)
0.26
Coeff of Linear Expan.   ⊥ to < M > (10-7/°C approx)
11.4
Coeff of Linear Expan.   // to < M > (10-7/°C approx)
N/A
Compressive Strength (psi x 103)
N/A
Young’s Modulus (psi x 106)
N/A
Vicker’s Hardness (HV)
N/A
Tensile Strength (psi x 106)
N/A
Flexural Strength (psi x 106)
N/A
Common Industry Name
Alnico 5-7
Electrical Resistivity (μΩ.cm)
N/A
Typical Appearance
Metallic
Type

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