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Alnico magnets are renowned for their high remanence, low coercitivity, and temperature stability. The properties for each grade at room temperature are listed in Tables 1 and 2. Furthermore, additional information such as demagnetization curves for different temperatures is available for download in the datasheets. Table 3 outlines the general characteristics of Alnico magnets. Figure 2 illustrates the temperature stability, depicting the demagnetization curves of Alnico 5 grade from -180 C to +300 C. This figure demonstrates how the output of the magnet remains constant when the working point is near BHmax over a large temperature range.Table 1: Typical magnetic properties of cast Alnico magnet
Table 2: Typical magnetic properties of sintered Alnico magnet
The physical properties of Alnico magnets are presented in Table 3. It should be noted that these values should not be considered as guaranteed, as they are not monitored during the manufacturing process.Table 3:Physical Properties of Alnico magnets
Surface Treatment: Alnico magnets typically do not need any protection from corrosion and can be used without a coating. However, some applications may require a smooth surface, and in these cases, a protective coating can be applied. 
Notes:
The corrosion resistance of these coverings fluctuates depending on the form of magnets, such as chamfers and inner rings, in diverse surroundings.
Alnico Pot Magnets - The Reliable Solution for Holding and Mounting When it comes to holding and mounting metal objects securely, Alnico Pot Magnets are a top choice. These magnets, made of a special alloy of aluminum, nickel, and cobalt, offer high magnetic strength and versatility, making them ideal for a wide range of industrial and commercial applications. At their core, Alnico Pot Magnets consist of a powerful magnet encased in a metal pot, which creates a concentrated and directional magnetic field. This design allows the magnet to attract and hold metal objects with a strong force, even through thick materials such as wood or plastic. From holding signs and fixtures to attaching doors and panels, Alnico Pot Magnets offer a reliable and flexible solution for various holding and mounting needs. One of the key advantages of Alnico Pot Magnets is their high resistance to corrosion and wear. With a protective coating and a robust metal pot, these magnets can withstand harsh environments and frequent use without losing their magnetic strength or shape. Additionally, Alnico Pot Magnets have a high Curie temperature, which means they can maintain their magnetic properties even at high temperatures. At Honson Magnetics, we offer a range of Alnico Pot Magnets in various sizes, shapes, and holding forces to fit your specific needs. Whether you need a threaded or countersunk hole, a flat or angled surface, or a custom design, our team of experts can help you find the right Alnico Pot Magnets for your application. Contact us today to learn more about Alnico Pot Magnets and how they can enhance your holding and mounting tasks with their high magnetic strength, durability, and versatility.