Neodymium And Ferrite Magnets Manufacturer & Supplier 
Are you curious? Is a larger magnet stronger than a smaller magnet? How much stronger? Today China neodymium magnet manufacturers courage magnet small Fu to answer this question for you.
To answer this question, we first need to know what the strength of the magnet is related to, although the article “What determines the strength of a magnet? has described it, here it is still said.
The picture below shows N52 neodymium block magnets recently exported to the U.S., sucked together and hard to break apart.
The first thing is the material, the magnetic properties of different magnet materials vary greatly. NdFeB magnets are one of the strongest permanent magnet materials known, with a much higher magnetic energy product (BH_max) than other materials such as Alnico or Ferrite. Even small-sized NdFeB magnets may have stronger magnetic properties than larger-sized Ferrite magnets.
Size and shape also have a bearing; larger magnets do produce stronger magnetic fields under the same material and magnetizing conditions because they contain more magnetic material. However, the distribution and shape of the magnetic field can also affect how the magnet performs.
Is there more? Of course. The direction and uniformity of a magnet's magnetization also affects its strength. A perfectly uniformly magnetized magnet will have a more stable and concentrated magnetic field. Different methods of magnetization, such as axial and radial magnetization, affect the distribution and strength of the magnet's magnetic field.
For example, for a 10x3mm round rare earth magnet, which would you say has stronger suction, axial magnetization or radial magnetization? Of course it's the axial one, because the contact area is bigger.
Conclusion, a larger magnet is usually stronger than a smaller magnet under the same material, relevant grade and magnetization conditions because it contains more magnetic material and can produce a stronger magnetic field. But if not, the smaller magnet will also be stronger than the larger one, you see?
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Large neodymium magnets (50mm+)