Ring/Tube Neodymium Magnets

Material Sintered Neodymium Iron Boron
Dimensions Outer Diameter Min.3.0 mm—Max.200 mm
Inner Diameter Min.1.5 mm—Max.150 mm
Height Min.0.5 mm—Max.50 mm
Tolerance Standard +/-0.05mm, Min.+/-0.01mm
Magnetizati , on Orientation Axial, Diametrical, Radial
Magnetic Properti , es Grade Max. Operating Temperatures
N35-N52 80°C  (176°F)
33M- 48M 100°C (212°F)
33H-48H 120°C  (248°F)
30SH-45SH 150°C  (302°F)
30UH-40UH 180°C (356°F)
28EH-38EH 200°C (392°F)
28AH-35AH 230°C (428°F)
Remanence(Br) 11,300 Gauss —  14,800 Gauss
Coercive Force(Hcb) 10,000 Oersted — 12,600 Oersted
Intrinsic Coercive Force(Hcb) 11,000 Oersted — 36,000 Oersted
Magnetic Energy Product (BH) 33M GOe — 53M GOe
Surface Treatment Ni-Cu-
Ni, Nickel, Zn, Gold, Silver, Coppe , r, Epoxy, Chemical, PTFE, Parylene,
 Everl , ube, Passivation and more.

Located in Beijing, China, Atech (HTXD) is a professional ring magnet
suppliers, dedicated to serving the magnetic needs of global customers. We
provide small flat magnets, small circle magnets, neodymium ring magnets and
etc. Want to know more? Please contact us.

Minimum Order: 1 pieces

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