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Alliance NdFeB N-38EH



Neodymium Magnets, also known as NdFeB or simply Neo, are the strongest and most commonly used magnet materials for high tech motors and sensors



Density ρ

7.5 g/cm³ at 20 °C


Coercive force Hc

907000 A/m at 20 °C


Intrinsic coercivity Hc,i

238000 A/m at 20 °C


Maximum energy product BHmax

287 - 318 kJ/m³ at 20 °C

Remanence Br

1.22 - 1.29 T at 20 °C

Reversible temperature coefficient coercivity βHc

0.5 %/ °C at 20 °C

Reversible temperature coefficient remanence αBr

0.09 %/ °C at 20 °C


Elastic modulus E

150 - 160 GPa at 20 °C

Flexural strength σbend

180 - 270 MPa at 20 °C

Tensile strength Rm

80 MPa at 20 °C


Max service temperature Tmax

200 °C

Technological properties

Application areas

Electric vehicle motors


Highest temperature rated NdFeB in commercial production

This material data has been provided by Alliance LLC.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.