Magnetic Component Engineering
SAE AS9100C AND ISO 9001:2008 CERTIFIED
Neodymium Iron Boron (Sintered) / N4271
Magnetic Properties Nom. Min.
Br (Gauss) 13,000 12,800
Hc (Oersted) 12,600 12,000
Hk (Oersted) 14,000 12,000
Hci (Oersted) 22,000 21,000
BHmax (MGOe) 42.0 40.0
Temp Coeff of Br (%/C) -0.11 N/A
Recoil Permeability (rec) 1.1 N/A
Tc, Curie Temperature (C) 311 N/A
Maximum Operating Temperature (C) 140 N/A
Physical 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) 114.0
Young's Modulus (psi x 106) 24.0
Vicker's Hardness (HV) 600
Tensile Strength (psi x 106) N/A
Flexural Strength (psi x 106) N/A
Common Industry Name N42SH
Electrical Resistivity (μΩ.cm) 160
Typical Appearance Gray
Type