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Neodymium Disc Magnets 18x4mm

Name: Neodymium Disc Magnets 18x4mm
Brand: NingBo BeiLun Meank Magnetics Co.,Ltd.

The round magnets 18x4mm are made of N42 neodymium magnetic material, which have central surface magnetic field of 2680Guass and 3.2kgs magnetic strength. N42 neodymium disc magnets must be used under the temperature of 80℃. Neodymium disc magnet 18*4mm is intermediate sized magnet with strong force, higher grades of N48, N50 or N52 are available if you need stronger 18*4mm neodymium disc magnets.

Characteristics Of 18x4mm Neodymium Disc Magnets N42

Remanence(Br):The remanence(Br) of N42 18x4mm neodymium magnets is around 13000 Gs.

Hcj: N42 sintered neodymium disc magnets 18x4mm is over 12 Koe（955 KA/m）

Magnetic Energy/(B-H)max: Neodymium disc magnets 18x4mm N42 have 42 MGOe magnetic energy, the higher magnetic energy is available for N45, N50 and N52.

Working Temperature: 18x4mm disc neodymium magnets N42 can not withstand higher temperatures than 80℃.

Corrosion Resistance: The neodymium disc magnets wholesale is not rust-proof. Ni-Cu-Ni is the most popular coating for 18x4mm neodymium magnet discs.

Specification Of N42 Neodymium Disc Magnets 18x4mm

Category	Disc Magnet
Material	Sintered Neodymium，N42
Diameter	18mm
Thickness	4mm
Magnetized	Axially(poles on flat ends)
Coating	NiCuNi
Strength	approx. 3.2kg
Weight(1 piece)	7.6g
Tolerance	+/-0.05mm
Max.Working Temp.	80℃
Central Surface Field	2680Gauss

Get In Touch With BeiLun Meank

lf you have any questions, you can contact us to help you solve them.

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