The rare earth element neodymium endows our neodymium disc magnets 20x5mm series with amazing magnetic force. The tensile force of the round magnet with the lowest grade of - N35 on the steel plate is 14.35 lbs, and the pulling force of the N52 neodymium magnets 20mm x 5mm with the highest magnetic energy is 21.3 lbs. Ni-Cu-Ni is the most popular coating for neodymium magnets 20mm x 5mm series.
Remanence(Br): 13200 Gs - 13800 Gs.
Hcj: ≥12 Koe（955 KA/m）.
Magnetic Energy/(B-H)max: 43-46 MGOe(342-366 KJ/m3).
Working Temperature: ≤80°C.
Corrosion Resistance: rust resistance coating for BeiLun Meank disc magnets wholesale is needed, such as Nickel, Epoxy, and Zinc.
Axially(poles on flat ends)
approx. 8.3 kg
Central Surface Field
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