Sintered NdFeB magnetic properties

Sintered NdFeB magnetic properties

NdFeB magnet

N50

magnet

Remanence Coercivity Energy density
Br HcB HcJ (BH)max
Tesla kGs kA/m kOe kA/m kOe kJ/m3 MGOe
1.40 – 1.45 14.0 – 14.5 ≥ 836 ≥ 10.5 ≥ 876 ≥ 11 384 – 408 48 – 51
Temperature coefficients Curie temperature Max. working temperature Recoil permeability Heavy rare earth Cobalt Holmium
TC (Br) TC (HcJ) Tc Tmax μrec HRE Co Ho
%/°C %/°C °C °C / % % %
-0.11 -0.85 320 80 1.05 0 1 – 1.5 0
N52 Remanence Coercivity Energy density
Br HcB HcJ (BH)max
Tesla kGs kA/m kOe kA/m kOe kJ/m3 MGOe
1.43 – 1.48 14.3 – 14.8 ≥ 836 ≥ 10.5 ≥ 876 ≥ 11 400 – 424 50 – 53
Temperature coefficients Curie temperature Max. working temperature Recoil permeability Heavy rare earth Cobalt Holmium
TC (Br) TC (HcJ) Tc Tmax μrec HRE Co Ho
%/°C %/°C °C °C / % % %
-0.11 -0.85 320 80 1.05 0 1 – 1.5 0
N50M Remanence Coercivity Energy density
Br HcB HcJ (BH)max
Tesla kGs kA/m kOe kA/m kOe kJ/m3 MGOe
1.40 – 1.45 14.0 – 14.5 ≥ 1033 ≥ 13.0 ≥ 1114 ≥ 14 384 – 408 48 – 51
Temperature coefficients Curie temperature Max. working temperature Recoil permeability Heavy rare earth Cobalt Holmium
TC (Br) TC (HcJ) Tc Tmax μrec HRE Co Ho
%/°C %/°C °C °C / % % %
-0.11 -0.8 320 100 1.05 0 1 – 1.5 0
N50H Remanence Coercivity Energy density
Br HcB HcJ (BH)max
Tesla kGs kA/m kOe kA/m kOe kJ/m3 MGOe
1.40 – 1.45 14.0 – 14.5 ≥ 1020 ≥ 12.8 ≥ 1353 ≥ 17 384 – 408 48 – 51
Temperature coefficients Curie temperature Max. working temperature Recoil permeability Heavy rare earth Cobalt Holmium
TC (Br) TC (HcJ) Tc Tmax μrec HRE Co Ho
%/°C %/°C °C °C / % % %
-0.12 -0.75 350 120 1.05 0 1 – 1.5 0
N45SH Remanence Coercivity Energy density
Br HcB HcJ (BH)max
Tesla kGs kA/m kOe kA/m kOe kJ/m3 MGOe
1.33 – 1.37 13.3 – 13.7 ≥ 1003 ≥ 12.6 ≥ 1592 ≥ 20 344 – 368 43 – 46
Temperature coefficients Curie temperature Max. working temperature Recoil permeability Heavy rare earth Cobalt Holmium
TC (Br) TC (HcJ) Tc Tmax μrec HRE Co Ho
%/°C %/°C °C °C / % % %
-0.12 -0.6 380 150 1.05 0 – 0.5 1 – 1.5 0
N48SH Remanence Coercivity Energy density
Br HcB HcJ (BH)max
Tesla kGs kA/m kOe kA/m kOe kJ/m3 MGOe
1.37 – 1.41 13.7 – 14.1 ≥ 1025 ≥ 12.9 ≥ 1592 ≥ 20 368 – 392 46 – 49
Temperature coefficients Curie temperature Max. working temperature Recoil permeability Heavy rare earth Cobalt Holmium
TC (Br) TC (HcJ) Tc Tmax μrec HRE Co Ho
%/°C %/°C °C °C / % % %
-0.12 -0.6 380 150 1.05 1 – 1.5 1 – 1.5 0
N42UH Remanence Coercivity Energy density
Br HcB HcJ (BH)max
Tesla kGs kA/m kOe kA/m kOe kJ/m3 MGOe
1.29 – 1.33 12.9 – 13.3 ≥ 923 ≥ 11.6 ≥ 1990 ≥ 25 320 – 344 40 – 43
Temperature coefficients Curie temperature Max. working temperature Recoil permeability Heavy rare earth Cobalt Holmium
TC (Br) TC (HcJ) Tc Tmax μrec HRE Co Ho
%/°C %/°C °C °C / % % %
-0.1 -0.55 380 180 1.05 3.5 – 5.5 1 – 1.5 0
N38EH Remanence Coercivity Energy density
Br HcB HcJ (BH)max
Tesla kGs kA/m kOe kA/m kOe kJ/m3 MGOe
1.23 – 1.26 12.3 – 12.6 ≥ 899 ≥ 11.3 ≥ 2388 ≥ 30 288 – 312 36 – 39
Temperature coefficients Curie temperature Max. working temperature Recoil permeability Heavy rare earth Cobalt Holmium
TC (Br) TC (HcJ) Tc Tmax μrec HRE Co Ho
%/°C %/°C °C °C / % % %
-0.09 -0.5 380 200 1.05 5.5 – 6.5 1 – 1.5 0
N40EH Remanence Coercivity Energy density
Br HcB HcJ (BH)max
Tesla kGs kA/m kOe kA/m kOe kJ/m3 MGOe
1.26 – 1.29 12.6 – 12.9 ≥ 915 ≥ 11.5 ≥ 2338 ≥ 30 304 – 328 38 – 41
Temperature coefficients Curie temperature Max. working temperature Recoil permeability Heavy rare earth Cobalt Holmium
TC (Br) TC (HcJ) Tc Tmax μrec HRE Co Ho
%/°C %/°C °C °C / % % %
-0.09 -0.5 380 200 1.05 5.5 – 6.5 1 – 1.5 0
N33AH Remanence Coercivity Energy density
Br HcB HcJ (BH)max
Tesla kGs kA/m kOe kA/m kOe kJ/m3 MGOe
1.13 – 1.18 11.3 – 11.8 ≥ 843 ≥ 10.6 ≥ 2624 ≥ 33 248 – 272 31 – 34
Temperature coefficients Curie temperature Max. working temperature Recoil permeability Heavy rare earth Cobalt Holmium
TC (Br) TC (HcJ) Tc Tmax μrec HRE Co Ho
%/°C %/°C °C °C / % % %
-0.08 -0.45 380 230 1.05 7.0 – 8.0 1 – 1.5 0

Post time: Dec-30-2020
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