Permanent Ring Ferrite Magnets

/Permanent Ring Ferrite Magnets
  • Permanent Ring Ferrite Magnets
Primary Competitive Advantages:
  • We are A Professional Permanent Magnets & Magnetic Assemblies Company Operating Since 2004
  • All Magnetic Grade for Sintered & Bonded Magnets
  • Our Quality Guaranteed
  • We Ship Worldwide
  • Small Orders Accepted
  • OEM Design Approvals
  • All Payment Accepted
  • Permanent Ring Ferrite Magnets, Sintered Ferrite Strontium Anisotropic Ferrite Ring Magnets, Ceramic Ring Speaker Magnets, Sintered Hard Ferrite Permanent Ring Magnets China Factory

    Permanent Ring Ferrite Magnets
    Material   SrO OR BaO and Fe2o3
    Color  Black
    Standard  Enterprise standard
    Grade    Y10T/Y25/Y30/Y35H-1/Y35H-2/Y35h-3/Y35H-4/Y38B/Y38H/Y40E/Y40B/Y45E/Y45B
    Shape   Ring,block,disc,bar and so on
    Application  Motors,Sperkers,Toys,Crafts,etc.
    Size   According to customers’ request

    Cermaic magnets (Ferrite magnets), sometimes referred to as ceramic because of their production process, are the least expensive class of permanent magnet materials. This material became commercially available in the mid 1950s, and has since found its way into countless applications including arc shaped magnets for motors, magnetic chucks, and magnetic tools.

    The raw material, iron oxide, for these magnets is mixed with either strontium or barium and milled down to a fine powdered form. The powder is then mixed with a ceramic binder and magnets are produced through a compression or extrusion molding technique that is followed by a sintering process. The nature of the manufacturing process results in a product that frequently contains imperfections such as cracks, porosity, chips, etc. Fortunately, these imperfections rarely interfere with a magnet’s performance.

    To enhance a ceramic magnet’s performance, the ferrite compound may be biased by a magnetic field during the pressing process. This biasing induces a preferred direction of magnetization within the magnet, significantly reducing its performance in any other orientation. Consequently, ceramic magnets are available in both oriented (anisotropic) and non-oriented (isotropic) grades. Because of its lower magnetic properties, the isotropic grade of ferrite, ceramic 1, is typically utilized where complex magnetization patterns are required, and in process biasing would be cost prohibitive. Permanent Ring Ferrite Magnets, waterproof plastic magnetic hook

    Magnetic Properties of Sintered Hard Permanent Ring Ferrite Magnets

    Grade Br HcB Hcj (BH)max TK(Br)%/K TK(Hcj)%/K Max Temp MMPA
    KGs mT kOe Ka/m kOe Ka/m MGOe Kj/m³ Equivalents
    Y10T 2.00-2.18 200-218 1.57-1.82 125-145 2.64-3.14 210-250 0.8-1.0 6.5-8.0 -0.2 0.3 250 C1
    Y25 3.60-3.70 360-370 1.70-1.88 135-150 1.76-2.14 140-170 2.8-3.2 22.5-25.3 -0.2 0.3 250
    Y30 3.80-3.90 380-390 2.40-2.64 191-210 2.50-2.51 199-220 3.4-3.7 27.0-30.0 -0.2 0.3 250
    Y33 4.00-4.10 400-410 2.20-2.45 175-195 2.26-2.51 180-200 3.8-4.0 30.0-31.5 -0.2 0.3 250 C5
    Y35 4.10-4.20 410-420 2.77-2.95 220-235 2.83-3.01 225-240 4.0-4.2 31.5-33.0 -0.2 0.3 250
    Y30BH 3.80-3.90 380-390 2.80-2.95 223-235 2.90-3.08 231-245 3.4-3.7 27.0-30.0 -0.2 0.3 250 C8
    Y33BH 4.00-4.10 400-410 3.62-3.77 288-300 3.51-3.60 280-287 3.8-4.0 30.4-31.5 -0.2 0.3


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