Material Properties
Norm.
Min.
Br (Gauss)
12,800
12,500
Hc (Oersted)
12,400
11,400
Hk (Oersted)
14,000
12,000
Hci (Oersted)
17,000
15,000
BHmax (MGOe)
40.0
38.0
Temp Coeff of Br (%/°C)
-0.11
N/A
Recoil Permeability (µrec)
1.1
N/A
Tc, Curie Temperature (°C)
310
N/A
Maximum Operating Temperature (°C)
120
N/A
Material Properties
 
Density (Ibs/in3)
0.27
Coeff of Linear Expan. ⊥ to < M > (10-7/°C approx)
-5.0
Coeff of Linear Expan. // to < M > (10-7/°C approx)
65.0
Compressive Strength (psi x 103)
160.0
Young’s Modulus (psi x 106)
23.0
Vicker’s Hardness (HV)
600
Tensile Strength (psi x 106)
N/A
Flexural Strength (psi x 106)
N/A
Common Industry Name
N40
Electrical Resistivity (μΩ.cm)
144
Typical Appearance
Gray

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