Magnet Shape: Ring / Tube
Material: Hard Ferrite (Ceramic)
Coating: No Coating
Grade(Chinese Stardard): Y30BH
Detailed magnetic properties data:
Residual Magnetic Flux Density (Br): 3.8-3.9 KGs (mT): 380-390 mT
Intrinsic Coercivity Force (Hcj): 2.80-2.95 KOe 223-235 KA/m
Coercivity Force (Hcb): 2.90-3.08 KOe 231-245 KA/m
Energy Density (BH)max: 3.4-3.7 MGOe 27.0-30.0 KJ/m³
Operating Temperature: -40 °C to +250 °C
Magnetisation Direction: Axial / Radially magnetized
Size (Can be customized according to customer drawings):
Outside Diameter(D): 220 mm
Inner Diameter(d): 110 mm
Thickness(T): 20 mm
Tolerance: +/-2% mm
Delivery time 7-25 days
Measurements
Ferrite Magnets, also known as Ceramic, have the strongest magnetic field of all magnets and a good resistance to corrosion. Despite being a rather brittle, Ferrites are used in a variety of applications ranging from DC motors, water conditioning, speakers and reed switches to crafts and magnetic therapies.
Product Information
Produced by the powder metallurgical method
Chemical composition of Ba/Sr O.6 Fe2O3
Relatively brittle and hard
Good resistance to demagnetisation
Excellent corrosion resistance
Raw material is readily available and low in cost
Good temperature stability
Most widely used permanent magnets
