Xiamen Un Magnet Co.,Ltd.
| Payment Terms | T/T L/C |
| Supply Ability | 20 tons per month for SmCo magnet |
| Delivery Time | 20-25days |
| Packaging Details | cartons,pallets |
| Matetrail | Ferrite |
| Size | OR60*ir32*10 |
| Shape | Arc |
| Direction of Magnetization | Thru diamterical |
| Tolerance | ±0.1 |
| Grade | Y30BH |
| Brand Name | UNMAG |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T L/C | Supply Ability | 20 tons per month for SmCo magnet |
| Delivery Time | 20-25days | Packaging Details | cartons,pallets |
| Matetrail | Ferrite | Size | OR60*ir32*10 |
| Shape | Arc | Direction of Magnetization | Thru diamterical |
| Tolerance | ±0.1 | Grade | Y30BH |
| Brand Name | UNMAG | Place of Origin | China |
| High Light | Metallic Ceramic Ferrite Magnet ，Punching Ferrite Arc Magnet ，Metallic Ferrite Arc Magnet | ||
Y30BH Arc Ceramic Magnet
Ferrite Arc Magnet
Ferrite Arc magnets, also known as ceramic magnets, were developed in the 1960’s as a low cost
alternative to metallic magnets.Ferrite magnets have won wide acceptance due to their excellent
corrosion resistant and good resistance to demagnetization. Despite their relatively low energy output,
ferrite magnets’ popularity is largely from its low price. It is the first choice for most automotive sensors,
MRI machines, DC motors, and magnetic separators. In fact, based on weight,it is the most widely
used permanent magnet available today.
Charcteristics
Ferrite magnets are very hard and brittle. Like all magnetic materials, ferrite magnets should not be
used as a structural element in your design. Ferrite magnets are prone to cracking if your application
requires regular impact or flexing. Because ferrite magnets offer good corrosion resistance,
they do not require an outer coating. In rare instances a thin outer coating
is applied simply to protect the material.
Fairly strong magnetic power (Power-Index(1) = 4~5)
Most common used magnet with low cost (Cost-Index(2) = 1~3)
Isotropic & Anisotropic available
Produced by powder metallurgical engineering with chemical composition of Ba/Sr O.6 Fe2O3
Very brittle & relatively hard
Good resistance to demagnetization
Good temperature stability
Oxided to saturation with excellent corrosion resistance
Service temperature greater than rare earth and lower than alnico
Finishing requires diamond cutting or grinding wheel
Energy product lower than alnico and rare earth magnets
| Parameter Name | Unit | Value |
| Curie Temperature | ℃ | 450 |
| Maximum Operating Temperature | ℃ | 250 |
| Hardness | Hv | 480-580 |
| Density | g/cm³ | 4.8-4.9 |
| Recoil Permeability | μrec | 1.05-1.2 |
| Temperature Coefficient of Br | %/℃ | -0.2 |
| Temperature Coefficient of iHc | %/℃ | 0.3 |
| Tensile Strength | N/mm² | ＜100 |
| Strength | N/mm² | 300 |
| Resistivity | Ω.cm | ＞104 |
| Specific Heat | Cal/g.℃ | 0.15-0.2 |
| Flexural Strength | kgf/mm² | 5-10 |
| Manufacturing process for magnets |
| Mixing |
| Temporary Baking |
| Fine pulverization |
| Molding in a magnetic field |
| Sintering and heat treatment |
| Processing |
| Surface treatment |
| (plating) |
| Magnetization |
Applications of Ceramic Magnets
• Speaker magnets
• DC brushless motors
• Magnetic Resonance Imaging (MRI)
• Magnetos used on lawn mowers, outboard motors
• DC permanent magnet motors (used in cars)
• Separators (ferrous material from non-ferrous)
• Used in magnetic assemblies designed for
lifting, holding, retrieving and separating
Regarding of magnetic properties of Ferrite Magnet, Please click here.
For your different application,different grade/series for your choice.
UNMAG are supplying Ferrite magnets applied in various industrial applications. We have advanced technology,
rich experience, and professional engineering technicians in this field.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2009
Total Annual:
4000000USD-5000000
Employee Number:
150~180
Ecer Certification：
Verified Supplier
XIAMEN UN MAGNET CO.,LTD. (UNMAG) is a high-tech enterprise in manufacturer and distribution of permanent magnet and magnetic related components.Including Neodymium magnet, Alnico magnet, SmCo magnet, Ferrite magnet and various of magnetic products.With an in-house R&D laboratory, We are able to... XIAMEN UN MAGNET CO.,LTD. (UNMAG) is a high-tech enterprise in manufacturer and distribution of permanent magnet and magnetic related components.Including Neodymium magnet, Alnico magnet, SmCo magnet, Ferrite magnet and various of magnetic products.With an in-house R&D laboratory, We are able to...
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