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What is the magnetic field pull strength difference between a regular magnet and a neodymium magnet?

April 26, 2017difference magnet magnetic field neodymium pull regular strength

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What is the magnetic field pull strength difference between a regular magnet and a neodymium magnet?

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The magnetic field strength of a magnet is measured by its remanence. Neodymium magnets have the highest magnetic field pull strength among the different commercial magnets. Neodymium’s structure is Nd2Fe14B in a tetragonal crystal structure The remanence of some of the most popular commercial magnets is as follows: Neodymium 1.0–1.4 SmCo5 0.8-1.1 Sm(Co, Fe, Cu, Zr)7 0.9–1.15 Alnico 0.6–1.4 Sr-ferrite 0.2–0.4 The higher the value of the remanence, the higher is the magnetic field strength.