The maximum magnetic energy product standard for N42 material is 40-43MGOe, while the maximum magnetic energy product standard for N45 material is 43-46MGOe

Difference in residual magnetism between N42 and N45

N42 has 13000GS and N45 has 13300GS residual magnetism, which can be measured using specialized instruments.

Is N42 4200gs, and N45 4500gs?

No. N42 and N45 are the grades of magnetic materials. 4200GS and 4500GS are magnetic field sizes calculated based on your brand and magnet size. Usually, the larger the magnet area, the lower the surface magnetic dispersion.

If the shape and size are the same, statistically speaking, N45 will be about 2% higher than N42 (surface magnetic flux density)

N42 and N45 raw material prices

The price of N42 is 188.5 yuan/kg, and the price of N42 is 195.5 yuan/kg. (For reference only)

N42 neodymium iron boron magnet surface magnetic size reference;

N42/NI/10 * 10 * 3MM, approximately 2860 Gauss.

N42/ZN/75x4x5.8mm, approximately 4000 Gauss.

N42H/D6.8 * D3.9 * 0.93 1380Gs.

N42/ZN/D74 * D10.5 * 47 4550GS.

N45 strong magnet table magnetic size reference;

N45/NI/D4xD1x1mm, around 3000 Gauss

N45/ni/D6 * 12MM 4600 Gauss or so