N3971
Material Properties
Norm.
Min.
Br (Gauss)
12,600
12,300
Hc (Oersted)
12,100
11,500
Hk (Oersted)
12,000
11,000
Hci (Oersted)
22,000
21,000
BHmax (MGOe)
39.0
37.0
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)
150
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
N39SH
Electrical Resistivity (μΩ.cm)
144
Typical Appearance
Gray