Custom Neodymium Magnet Grades
Choosing the correct magnet grade is one of the most important decisions in any magnet project. The grade determines magnetic strength, temperature resistance, durability, and overall performance.
We supply custom permanent magnets in a wide range of grades for industrial, automotive, electronics, medical, and engineering applications.Whether you need maximum strength, high temperature resistance, or cost-effective performance, we can help you select the right grade for your project.
What Is Magnet Grade?
Magnet grade is a classification used to indicate the magnetic properties of a permanent magnet.
For neodymium magnets, the grade generally reflects:
- Maximum energy product
- Magnetic strength
- Temperature capability
- Material composition
- Performance level
Higher grades usually provide stronger magnetic force, but the best grade depends on the application—not only the highest number.
Our Custom Magnet Grade Offerings
We provide neodymium magnets in grades ranging from N35 to N55, covering a broad spectrum of magnetic strengths to suit various industrial applications. For environments requiring high-temperature resistance, we offer magnets with ratings up to TH, capable of operating at temperatures as high as 230°C. Our state-of-the-art manufacturing processes allow us to tailor the magnet’s composition to achieve the desired grade and performance characteristics.
Whether you need a standard grade like N42 for general-purpose applications or a high-performance grade like N52 for demanding uses such as high-performance motors or sensors, we have the expertise to deliver. We also offer specialized grades like N30M, N50H, or N35TH for applications requiring specific combinations of strength and temperature resistance.
Common Neodymium Grades Comparison
| Grade | Strength Level | Temperature Use | Typical Application |
|---|---|---|---|
| N35 | Standard | Normal | General products |
| N42 | Medium-high | Normal | Electronics |
| N48 | High | Normal | Compact assemblies |
| N52-N55 | Very high | Normal | High-performance motors |
| N35H | Standard | High temp | Motors |
| N42SH | High | Higher temp | Automotive |
| N48UH | High | Very high temp | Industrial systems |
How to Choose the Right Magnet Grade
Choose Based on Strength
If maximum pull force is required in limited space, higher grades like N48–N52 may be suitable.
Choose Based on Temperature
If magnets work near heat sources, choose H / SH / UH series.
Choose Based on Cost
For cost-sensitive projects, mid-range grades may offer the best balance.
Choose Based on Environment
Humidity, corrosion, vibration, and mechanical stress should also be considered.
Why Higher Grade Is Not Always Better
Many buyers assume N52 is always best, but this is not always true.
Higher grades may:
- Cost more
- Be unnecessary for the application
- Have different temperature limitations
- Increase project cost without benefit
Correct engineering selection often saves money while improving reliability.
Applications of Custom Magnet Grades
Neodymium magnets are used across various industries, and the right grade can make all the difference. Common applications include:
Motors and Generators: High-grade magnets like N48H or N52 are essential for maximizing efficiency and power output in electric motors and generators.
Sensors and Actuators: Magnets with high-temperature ratings, such as N35SH or N42UH, ensure reliable performance in automotive or industrial sensors exposed to heat.
Magnetic Separators: Strong grades like N50 or N52 are ideal for separating ferrous materials in recycling or manufacturing processes.
Medical Devices: Custom grades ensure precision and safety in applications like MRI machines or magnetic therapy devices.
Frequently Asked Questions
N52 is one of the strongest standard commercial grades.
It depends on temperature, size, and performance requirements. High-temp grades are common.
No. Many applications work better with lower or high-temperature grades.
Yes. Send drawings or project details for technical support.
Yes. We support global supply.
Get Started with Custom Magnet Grades
Selecting the right magnet grade is crucial for the success of your project. Our team is here to help you navigate the complexities of magnet grades and find the perfect solution for your application. Whether you’re looking for maximum strength, high-temperature resistance, or a balance of both, we have the expertise to deliver.
Request a Free Quote
Looking for a reliable supplier for Custom Magnet Grades?
Osenc Magnets can help with:
- N35 to N55 grades
- High-temperature grades
- Ferrite magnets
- SmCo magnets
- Custom engineering support
- Worldwide shipping
Send your drawing or requirements today and receive a quotation within 12 hours.