neodymium magnets

Red Cast Alnico5 Bridge Magnets

Alnico magnets are made by casting or sintering aluminum, nickel, and cobalt with iron and small amounts of other metals to enhance the magnet grade’s specific properties. Magnetism is very stable in Alnico magnets, even in high-temperature technical applications. They can be formed in fairly complex shapes and produce highly magnetic fields in certain configurations. Alnico magnets are easily de-magnetized and re-magnetized. Alnico magnets can be plated with a variety of metals or given a coating that is usually red. They do not corrode.
  • Item NO.:

    BHMA-01
  • Lead Time:

    20-25 days
  • Product Orgin:

    China
  • Shipping Port:

    Shanghai
  • min order:

    1000pcs
  • Grade:

    Alnico 5
  • Product Detail

Red Cast Alnico5 Bridge Magnets

The cast Alnico 5 bridge magnet with red coating offers high heat resistance and medium magnetic pull, and comes with a keeper to retain magnetic strength. The magnet provides a maximum of 22 lb. of pull strength to a perpendicular surface (pounds of pull strength does not apply to shear force). The magnet can withstand temperatures up to 975 degree F and has a 0.20" diameter hole on top. Resistance to demagnetizing is low and resistance to corrosion is high.

Strong Alnico Horseshoe Magnets

Common Characteristics of Alnico magnets

1. Very temperature stable, great for high heat applications

2. Wide range of working temperatures, up to 550ºC

3. May be ground to size

4. Does not lend itself to conventional machining (hard and brittle)

5. High residual induction and energy product compared to ceramic material

6. Low coercive force compared to ceramic and rare earth materials (more subject to demagnetization).

Red Cast Alnico 5 Horseshoe Magnet with Keeper

Although not always regarded as necessary because of their high resistance to corrosion, the Alnico magnets are sometimes given a protective coating or even simply a coating to make the magnet more aesthetically pleasing. The colour of the coating is almost always red. This gives us the Alnico Red Magnet range.

Small Parts Red Cast Alnico 5 U-Shaped Magnet


Applications

Alnico magnets are still used in loudspeakers, dc motors, generators, sensors, magnetic separation equipment, Hall-effect devices, TWT, magnetrons, electricity meters, cow magnets, etc. If the application requires any of least change in output with temperature variation, high field output, or very high temperature operation, then Alnico may be very suitable.




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