Alnico Disc Magnets
Sintered & Cast Alnico Disc Magnets
Alnico magnets are part of the permanent magnet family and relatively high in magnetic strength. Grade 8 Alnico Disc Magnets offer excellent temperature stability & can be used at temperatures up to 1000⁰F (500⁰C). Because of their temperature stability and relatively high magnetic strength, they are commonly used for industrial applications such as rotating machinery, meters, instruments, sensing devices holding applications and more. We carry a range of alnico 8 sintered & cast disc magnets, not all of which are shown on this website.
Alnico Disc Magnets for Sale
Magnet Shop offers licensed alnico disc magnets available for online purchase at bulk discounted prices. From smaller size disc magnets measuring 0.25” in diameter to larger cylinder magnets up to 0.75” in diameter.
We carry a large inventory of alnico disc & rod/cylinder magnets, not all of which are shown on this website. Contact us today or send us a special request and let us know what you are looking for.
* $15.00 total minimum order (excluding shipping & tax if applicable) - Items can be combined to reach the minimum amount.
Alnico Disc Magnet Features & Characteristics
| Cast Alnico 8 Disc Magnet Technical Data | Sintered Alnico 8 Disc Magnet Technical Data |
|---|---|
| Grade: 8 | Grade: 8 |
| Type: Cast | Type: Sintered |
| Magnetization: Through the Thickness (THK) | Magnetization: Through the Thickness (THK) |
| Br: 8,300 Gauss | Br: 7,000 Gauss |
| BHmax: 5.5 MGOe | BHmax: 5 MGOe |
| Hc: 1,650 Oersteds | Hc: 1,900 Oersteds |
| Max Operating Temperature: 1004ºF/540ºC | Max Operating Temperature: 1004ºF/540ºC |
| Curie Temp: 1580ºF/860ºC | Curie Temp: 1580ºF/860ºC |
| Density (lb/in3): 0.265 | Density (lb/in3): 0.253 |
Standard Dimensional Tolerances for Alnico Disc Magnets
Standard diameter tolerances for Alnico Magnets based on the following dimensions:
- +/- 0.005” on both diameter and thickness dimensions ranging from 0.040” to 1.000”.
- +/- 0.010” on both diameter and thickness dimensions ranging from 1.001” to 2.000”.
- +/- 0.015” on both diameter and thickness dimensions ranging from 2.001” to 3.000”.
Manufacturing Methods for Alnico Magnets
Alnico disc magnets are manufactured through either a casting or sintering process, so they can be made into complex shapes such as horseshoes, which is not possible to do with other magnet materials.
Alnico Disc Magnet Applications
Alnico magnets are relatively high in magnetic strength, offer excellent temperature stability and can be used in temperatures up to 1000°F (500°C), so they are ideal for many types of industrial manufacturing applications. In addition, Alnico magnets are manufactured through a casting or sintering process, so they can be made into complex shapes, not possible to achieve with other magnet materials. They are routinely used in the oil and gas, medical, aerospace military and defense, industrial automation, automotive, and manufacturing industry.
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Custom Orders for Alnico Disc Magnets
We carry a large inventory of Alnico 5 rod magnets and Alnico 8 disc magnets in various sizes and thicknesses, not all of which are listed on this website. We can also custom machine these to your exact specifications. Just let us know what you are looking for by sending a request for quote or contact us today to discuss your specialty project. Our sister company, Integrated Magnetics, has over 60 years of expertise in manufacturing complex magnetic assemblies for more technical applications.
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