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.
Category | Disc Magnet |
Material | Sintered Neodymium,N45 |
Diameter | 20 mm |
Thickness | 5 mm |
Magnetized | Axially(poles on flat ends) |
Coating | Ni-Cu-Ni |
Strength | approx. 8.3 kg |
Weight(1 piece) | 12g |
Tolerance | +/-0.05mm |
Max.Working Temp. | 80℃ |
Central Surface Field | 3060 Gauss |
lf you have any questions, you can contact us to help you solve them.