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Anhui Yuanfeng Magnet Technology Co., Ltd.

China Manufacturer with main products: NdFeB, Ferrite, Rubber, Magnet

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Permanent and Hard Ring Shape Ferrite Magnet

Supply Ability: 2,000 Ton per Year
Shipping: about 20 days
Payment Terms: L/C, T/T(Bank Transfer)

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Place of Origin: Anhui in China
Packaging Details: firm inner box : 13cm x 9cm x 6cm Master carton: 28cm x 14cm x 13cm Plywood case if ship by sea


ring sintered ferrite magnet
1.application:loudspeaker, motor
2.working termperature: 250Degree C
3.low cost
Merchandise name:
ring sintered ferrite magnet
A low cost alternative to other magnetic materials, offers relatively high operating temperatures and good resistance to corrosion. However, it has lower energy levels (Br) and is brittle in nature.
Magnetic properties of ferrite magnet: 


Grade Br HcB Hcj (BH)max
KGs mT kOe Ka/m kOe Ka/m MGOe Kj/m³
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
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
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
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
Y34 4.20~4.30 420~430 2.51~2.85 200~230 2.58~2.59 205~235 4.08~4.52 32.5~36.0
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
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
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
Y40 4.00~4.10 400~410 3.54~3.62 282~294 4.00~4.14 319~330 3.77~3.97 30.0~31.6


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