How to Choose the Right N52 Magnet for Your Needs


Choosing the right N52 magnet involves understanding its properties, applications, and the specific requirements of your project. N52 magnets are among the strongest neodymium magnets available, and their selection should be based on careful consideration of various factors. Here’s a guide to help you make an informed decision:

Understanding N52 Magnets

Neodymium magnets are the most powerful type of permanent magnets available. The grade of a neodymium magnet is denoted by the letter “N” followed by a number, which represents the maximum energy product in Mega Gauss Oersteds (MGOe). Higher grades have higher magnetic strength but may have different thermal and mechanical properties.


N52 magnets are neodymium magnets with the highest grade currently available. They are composed of neodymium, iron, and boron (NdFeB) and are known for their exceptional strength and performance. The “N52” grade signifies that the magnet has a maximum energy product of 52 MGOe (Mega Gauss Oersteds), making them the most powerful type of rare earth magnet.

Related reading: N52 Grade Magnet – All You Need to Know

Applications of N52 Magnets

N52 magnets are used in a wide range of applications due to their strong magnetic properties:

  • Industrial Uses: They are ideal for magnetic separators, holding devices, and magnetic lifting systems.
  • Electronics: Used in motors, sensors, and speakers for their high performance.
  • Medical Devices: Essential in MRI machines and other medical equipment requiring strong magnetic fields.
  • Hobbies and Crafts: Popular in DIY projects, model making, and other creative endeavors.

Key Factors to Consider

  1. Magnetic Strength

– Application Requirements: Determine the magnetic strength needed for your application. N52 magnets provide a strong magnetic field, which is suitable for heavy-duty applications. If your project requires a high holding force, N52 is a good choice.


  1. Size and Shape

– Dimensions: The size and shape of the magnet are crucial. N52 magnets come in various forms, including discs, blocks, rings, and custom shapes. Choose a size and shape that fits the spatial constraints and functional requirements of your application.

– Surface Area: Larger surface areas can enhance the magnetic force in applications like holding or separation.


  1. Coating and Durability

– Protective Coatings: N52 magnets are prone to corrosion, so they are often coated with materials like nickel, zinc, or epoxy. Select a coating that offers the best protection for your environment.

– Environmental Conditions: Consider the operating environment. For example, if the magnet will be used in a wet or corrosive environment, a more robust coating or an epoxy finish might be necessary.


  1. Temperature Tolerance

– Operating Temperatures: N52 magnets can lose their magnetic properties at high temperatures. They typically operate well up to 80°C (176°F). If your application involves higher temperatures, you may need to consider a different grade or a custom solution with higher temperature tolerance.

Reliable Neodymium Magnet Manufacturers

Stanford Magnets boasts over 20 years of experience in supplying high-quality Neodymium Magnets. We manufacture these magnets to meet our customers’ specific requirements and offer them at highly competitive prices. You can check different grades of neodymium magnets on our homepage or see Table 1.

Table 1 Reliable Neodymium Magnet Manufacturers

Composite Grade Residual Induction/BR
Coercive Force/Hc (Oe) Intrinsic Coercive Force/Hci (Koe) Max.Energy Product/Bhmax (MGOe) Maximum Operating
Temp (°C/°F)
Curie Temp (°C/°F)
Nd2Fe14B N35 11700 10900 12 35 80/176 310/590
Nd2Fe14B N38 12200 11300 12 38 80/176 310/590
Nd2Fe14B N40 12500 11400 12 40 80/176 310/590
Nd2Fe14B N42 12800 11500 12 42 80/176 310/590
Nd2Fe14B N45 13200 11600 12 45 80/176 310/590
Nd2Fe14B N48 13800 11600 12 48 80/176 310/590
Nd2Fe14B N50 14000 10000 11 50 60/140 310/590
Nd2Fe14B N52 14300 10000 11 52 60/140 310/590



Selecting the right N52 magnet involves understanding your specific needs and matching them with the magnet’s properties. Consider the strength, size, coating, temperature tolerance, safety, and cost before making a decision. By carefully evaluating these factors, you can ensure that the N52 magnet you choose will meet the demands of your application effectively and efficiently. Always source your magnets from reliable suppliers to guarantee quality and performance.

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