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
Magnetization Orientation Axial, Diametrical, Radial
Magnetic Properties 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, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and more.

Atech (HTXD) is a professional ring magnet suppliers, we provide neodymium ring magnets, neodymium sphere magnets, etc. Our high-performance and custom-made products have been widely used throughout a diverse range of industries.

Atech (HTXD) is a professional ring magnet suppliers, we provide neodymium ring magnets, neodymium sphere magnets, etc. Our high-performance and custom-made products have been widely used throughout a diverse range of industries.

Atech (HTXD) is a professional ring magnet suppliers, we provide neodymium ring magnets, neodymium sphere magnets, etc. Our high-performance and custom-made products have been widely used throughout a diverse range of industries.

Atech (HTXD) is a professional ring magnet suppliers, we provide neodymium ring magnets, neodymium sphere magnets, etc. Our high-performance and custom-made products have been widely used throughout a diverse range of industries.