2019-07-12 10:48:20

What are grades in neodymium magnets?

When you see neodymium magnets classified as N35,N38,N40,N42,N45,N48,N50,N52. Have you ever wondered what it means? The letter N short for words neodymium. And the number after N represents the grade of the magnet. In general, the higher the grade the stronger the magnet. The highest grade so far in neodymium magnet is N52.If a magnet is labled as N42SH,then 42 depicts the strength of the magnet and SH refers to the temperature rating of the magnet. If the numbers are not followed by any letters, it means that the magnet is standard temperature neodymium.

1. Meterial:Nd2Fe14B (Nd 32%,Fe64%,B1%, other 3% like Dy,Tb,Co,Go,Al,Cu)

2. Technology: Utilizes new Sintered NdFeB magnet techniques and equipment such as strip casting, HDDR technology

3. Magnetic properties:High coercive force, the max operation temp is up to 200 degree centigrade or 380 curie temperature;

4. Grades:N35-N52, 33M-48M, 33H-48H, 30SH-45SH, 30UH-38UH and 30EH-35EH;

5. Shapes and sizes: Various kinds or according to customers' request .

6. Coatings: Ni, Zn, Phosphating, epoxy and so on;

7. Applications:  Widely used in different applications, such as sensors, motors, rotors, wind turbines, wind generators, loudspeakers, magnetic hooks, magnetic holder, filters automobiles and so on.

8. Quality Control: Our QC team consists of more than 12 professional people to ensure 100% products high quality.

9. Extremer Power Warming : These magnets are dangerous ! If your fingers are trapped between two they will cut your skin.Please be note they should  only be handled with great care .

10. Transportation : 1Express: As magnet has magnetism, regarded as dangerous goods, to most of the countries, it can only be safely delivery via DHL with dangerous goods method. 2 If weight more than 200kg, we suggest by air or by sea.


B. K MAG manufactures millions of Magnetic name badge and button since 2008. Now we has grown into one of largest badge magnets vendor in China. We will be your magnet solution source.badge magnets
  Manufacture ability : Supply over 15 types magnets like , Super Neo Magnets, Mounting Magnets, Office Magnets with super quality.
Inventory level : Huge badge magnets on stock. Ship under 50,000Pcs in 7days if you are urgent.