Â
Super strong neodymium disc magnets are powerful permanent magnets made from neodymium, iron, and boron (NdFeB). These magnets are known for their exceptional strength and are the most powerful type of permanent magnets commercially available.
Â
Â
1. Material Composition: Neodymium magnets are composed mainly of neodymium, iron, and boron. The combination of these elements creates a powerful magnetic field.
Â
2. Strength: Neodymium magnets are the strongest type of permanent magnets, providing a high magnetic strength relative to their size. They are capable of exerting significant force, making them suitable for various applications.
Â
3. Size and Shape: These magnets are often available in disc or round shapes, although they can also come in other forms like cylinders or spheres. The disc shape is popular for applications where a flat surface is needed.
Â
4. Applications: Super strong neodymium disc magnets have a wide range of applications, including:
- Electronics: They are used in speakers, headphones, and various electronic devices.
- Industrial Applications: Neodymium magnets are employed in motors, generators, and magnetic couplings.
- Medical Devices: They are used in magnetic resonance imaging (MRI) machines and other medical equipment.
- Crafts and Hobbies: Neodymium magnets are popular in DIY projects, crafts, and hobbies due to their small size and strong magnetic pull.
Â
5. Coating: Neodymium magnets are usually coated to protect them from corrosion, as they are prone to rust. Common coatings include nickel, zinc, or epoxy.
Â
6. Handling Precautions: Due to their strength, handling neodymium magnets requires caution. They can attract each other with great force and may cause injury if fingers or other body parts get caught between them. Additionally, they can chip or break easily, so care is needed to avoid damage.
Â
7. Temperature Sensitivity: Neodymium magnets lose some of their magnetism at high temperatures, and their performance can be affected. Special grades of neodymium magnets are available for use in high-temperature applications.
Â
8. Customization: Neodymium magnets can be customized in terms of size, shape, and coating to suit specific applications.
Â
Â
Material |
Neodyium, Iron, Boron |
Grade |
N45 |
Shape |
Disc shape |
Plating |
Ni, Zinc or Epoxy |
Size |
D20 X 2MM or customized as design |
Magnetized |
Axial or Diametrical |
Density |
7.4 g/cm3 |
Max. Working Temp.: |
80 Celsius Degree |
Â


Â
Grade |
Br mt(KG) |
Hcb Koe(KA/m) |
iHc Koe(KA/m) |
(BH)max KJ/m3 (MGOe) |
TW℃ |
N35 |
1170-1210(11.7-12.1) |
≧10.8(≧860) |
≧12(≧955) |
263-287(33-36) |
80 |
N38 |
1210-1250(12.1-12.5) |
≧10.8(≧860) |
≧12(≧955) |
287-310(36-39) |
80 |
N40 |
1250-1280(12.5-12.8) |
≧11.6(≧923) |
≧12(≧955) |
302-326(38-41) |
80 |
N42 |
1280-1320(12.8-13.2) |
≧11.6(≧923) |
≧12(≧955) |
318-342(40-43) |
80 |
N45 |
1320-1380(13.2-13.8) |
≧11.0(≧876) |
≧12(≧955) |
342-366(43-46) |
80 |
N48 |
1380-1420(13.8-14.2) |
≧10.5(≧835) |
≧12(≧955) |
366-390(46-49) |
80 |
N50 |
1380-1450(13.8-14.5) |
≧10.5(≧835) |
≧12(≧955) |
474-406(47-51) |
80 |
Â
Â
Everbeen Magnet specializes in various permanent magnets and has been involved in production, technical research, and sales in the magnet field for more than 20 years. We have a professional sales team with at least 10 years of magnets field. We can customize the magnets according to clients' designs and requests.
Everbeen Magnet has won the trust and good reputation of domestic and foreign famous enterprises under the commercial idea of "Profession, High Efficient, Honesty, and Respect". Over 70% of our products are sold in Southeast Asia, Europe, and America area.
Â
Â
Â
- The magnet's stock requests the dry environment and normal room temperature;
- Semi-finished products should be oiled for the storage;
- The magnet with the plating must be vacuum sealed or isolated from the air to make sure the coating's inoxidability.
- The magnetized magnets should attract to each other and put into the cartons to avoid attracting other metals.
- When working with strong magnets, it's important to follow safety guidelines and handle them with care to prevent injury and damage. Additionally, be aware of their magnetic fields, as they can interfere with electronic devices and other magnetic-sensitive equipment.
Â
http://www.china-magnet.net/