Magnetic Component Engineering
SAE AS9100D AND ISO 9001:2015 CERTIFIED
Alnico / A901
Magnetic Properties Nom. Min.
Br (Gauss) 10,700 10,600
Hc (Oersted) 1,500 1,400
Hk (Oersted) N/A N/A
Hci (Oersted) 1,400 1,400
BHmax (MGOe) 9.0 8.1
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) 550 N/A
Physical Properties  
Density (Ibs/in3) 0.26
Coeff of Linear Expan.   ⊥ to < M > (10-7/°C approx) N/A
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 Cast Alnico 9
Electrical Resistivity (μΩ.cm) N/A
Typical Appearance
Type