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neodymium magnets

We provide red color magnets Nd2Fe14B - our proposal. All magnesy on our website are in stock for immediate delivery (see the list). See the magnet price list for more details see the magnet price list

Magnets for water searching F400 GOLD

Where to buy strong neodymium magnet? Holders with magnets in airtight and durable enclosure are excellent for use in variable and difficult weather conditions, including during snow and rain see more...

magnetic holders

Magnetic holders can be applied to facilitate production processes, underwater discoveries, or finding space rocks made of ore see...

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NC NeoCube 5 mm kwadraty / N38 - neocube

neocube

Catalog no 120227

GTIN: 5906301812661

5

Weight

216.5 g

Magnetization Direction

↑ axial

Coating

[NiCuNi] nickel

49.99 with VAT / pcs + price for transport

40.64 ZŁ net + 23% VAT / pcs

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NC NeoCube 5 mm kwadraty / N38 - neocube

Specification/characteristics NC NeoCube 5 mm kwadraty / N38 - neocube
properties
values
Cat. no.
120227
GTIN
5906301812661
Production/Distribution
Dhit sp. z o.o.
Country of origin
Poland / China / Germany
Customs code
85059029
Weight
216.5 g [±0,1 mm]
Magnetization Direction
↑ axial
Coating
[NiCuNi] nickel
Manufacturing Tolerance
± 0.1 mm

Magnetic properties of material N38

properties
values
units
coercivity bHc ?
860-915
kA/m
coercivity bHc ?
10.8-11.5
kOe
energy density [Min. - Max.] ?
287-303
BH max KJ/m
energy density [Min. - Max.] ?
36-38
BH max MGOe
remenance Br [Min. - Max.] ?
12.2-12.6
kGs
remenance Br [Min. - Max.] ?
1220-1260
T
actual internal force iHc
≥ 955
kA/m
actual internal force iHc
≥ 12
kOe
max. temperature ?
≤ 80
°C

Physical properties of NdFeB

properties
values
units
Vickers hardness
≥550
Hv
Density
≥7.4
g/cm3
Curie Temperature TC
312 - 380
°C
Curie Temperature TF
593 - 716
°F
Specific resistance
150
μΩ⋅Cm
Bending strength
250
Mpa
Compressive strength
1000~1100
Mpa
Thermal expansion parallel (∥) to orientation (M)
(3-4) x 106
°C-1
Thermal expansion perpendicular (⊥) to orientation (M)
-(1-3) x 10-6
°C-1
Young's modulus
1.7 x 104
kg/mm²

Shopping tips

The set usually contains two hundred and sixteen beads, packed in the form of a block 6x6x6. When scattered, restoring the original shape can be difficult.

Advantages as well as disadvantages of neodymium magnets NdFeB.

In addition to their magnetic efficiency, neodymium magnets provide the following advantages:

  • They do not lose their even during around 10 years – the reduction of lifting capacity is only ~1% (according to tests),
  • They show exceptional resistance to demagnetization from external magnetic fields,
  • Because of the brilliant layer of silver, the component looks visually appealing,
  • The outer field strength of the magnet shows elevated magnetic properties,
  • With the right combination of magnetic alloys, they reach significant thermal stability, enabling operation at or above 230°C (depending on the structure),
  • The ability for custom shaping as well as customization to specific needs – neodymium magnets can be manufactured in many forms and dimensions, which enhances their versatility in applications,
  • Important function in advanced technical fields – they are utilized in computer drives, electric drives, diagnostic apparatus or even technologically developed systems,
  • Compactness – despite their small size, they provide high effectiveness, making them ideal for precision applications

Disadvantages of rare earth magnets:

  • They can break when subjected to a strong impact. If the magnets are exposed to mechanical hits, we recommend in a protective enclosure. The steel housing, in the form of a holder, protects the magnet from damage , and at the same time enhances its overall resistance,
  • They lose strength at extreme temperatures. Most neodymium magnets experience permanent loss in strength when heated above 80°C (depending on the shape and height). However, we offer special variants with high temperature resistance that can operate up to 230°C or higher,
  • Magnets exposed to humidity can degrade. Therefore, for outdoor applications, we suggest waterproof types made of coated materials,
  • Using a cover – such as a magnetic holder – is advised due to the restrictions in manufacturing fine shapes directly in the magnet,
  • Safety concern from tiny pieces may arise, in case of ingestion, which is crucial in the protection of children. Furthermore, tiny components from these magnets can hinder health screening when ingested,
  • High unit cost – neodymium magnets are costlier than other types of magnets (e.g., ferrite), which increases the cost of large-scale applications

Handle with Care: Neodymium Magnets

  Magnets should not be treated as toys. Therefore, it is not recommended for children to have access to them.

Neodymium magnets are not toys. Do not allow children to play with them. In the case of swallowing multiple magnets simultaneously, they can attract to each other through the intestinal walls. In the worst case scenario, this can lead to death.

Dust and powder from neodymium magnets are highly flammable.

Avoid drilling or mechanical processing of neodymium magnets. If the magnet is crushed into fine powder or dust, it becomes highly flammable.

The magnet coating is made of nickel, so be cautious if you have an allergy.

Studies show a small percentage of people have allergies to certain metals, including nickel. An allergic reaction often manifests as skin redness and rash. If you have a nickel allergy, try wearing gloves or avoid direct contact with nickel-plated neodymium magnets.

Neodymium magnets are noted for their fragility, which can cause them to shatter.

Neodymium magnets are characterized by significant fragility. Magnets made of neodymium are made of metal and coated with a shiny nickel, but they are not as durable as steel. In the event of a collision between two magnets, there may be a scattering of fragments in different directions. Protecting your eyes is crucial in such a situation.

Never bring neodymium magnets close to a phone and GPS.

Neodymium magnets produce strong magnetic fields that interfere with magnetometers and compasses used in navigation, as well as internal compasses of smartphones and GPS devices.

Neodymium magnets are among the strongest magnets on Earth. The surprising force they generate between each other can shock you.

Please review the information on how to handle neodymium magnets and avoid significant harm to your body, as well as prevent unintentional damage to the magnets.

Keep neodymium magnets away from people with pacemakers.

In the case of neodymium magnets, there is a strong magnetic field. As a result, it interferes with the operation of a heart pacemaker. However, if the magnetic field does not affect the device, it can damage its components or deactivate the device when it is in a magnetic field.

You should keep neodymium magnets at a safe distance from the wallet, computer, and TV.

Strong magnetic fields emitted by neodymium magnets can destroy magnetic storage media such as floppy disks, credit cards, magnetic ID cards, cassette tapes, video tapes, or other devices. In addition, they can damage televisions, VCRs, computer monitors, and CRT displays. You should especially avoid placing neodymium magnets near electronic devices.

Neodymium magnets can become demagnetized at high temperatures.

While Neodymium magnets can lose their magnetic properties at high temperatures, it's important to note that the extent of this effect can vary based on factors such as the magnet's material, shape, and intended application.

Neodymium Magnets can attract to each other due to their immense internal force, causing the skin and other body parts to get pinched and resulting in significant injuries.

Magnets will attract each other within a distance of several to about 10 cm from each other. Don't put your fingers in the path of magnet attraction, because a serious injury may occur. Depending on how massive the neodymium magnets are, they can lead to a cut or alternatively a fracture.

Safety rules!

To illustrate why neodymium magnets are so dangerous, read the article - How very dangerous are powerful neodymium magnets?.

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tel: +48 888 99 98 98