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neodymium magnets

We provide yellow color magnets Nd2Fe14B - our proposal. All "neodymium magnets" on our website are available for immediate delivery (check the list). See the magnet price list for more details check the magnet price list

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Where to purchase very strong neodymium magnet? Holders with magnets in solid and airtight steel casing are ideally suited for use in difficult, demanding weather, including during rain and snow see more...

magnets with holders

Holders with magnets can be applied to improve production processes, exploring underwater areas, or finding space rocks from gold more information...

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NCM 40x13.5x5 / N38 - channel magnetic holder

channel magnetic holder

Catalog no 360489

GTIN: 5906301814887

5

Diameter Ø [±0,1 mm]

40 mm

Height [±0,1 mm]

13.5 mm

Weight

18.4 g

Magnetization Direction

↑ axial

Load capacity

17 kg / 166.71 N

Coating

[NiCuNi] nickel

14.19 with VAT / pcs + price for transport

11.54 ZŁ net + 23% VAT / pcs

bulk discounts:

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Strength along with structure of a neodymium magnet can be analyzed with our modular calculator.

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NCM 40x13.5x5 / N38 - channel magnetic holder

Specification/characteristics NCM 40x13.5x5 / N38 - channel magnetic holder
properties
values
Cat. no.
360489
GTIN
5906301814887
Production/Distribution
Dhit sp. z o.o.
Country of origin
Poland / China / Germany
Customs code
85059029
Diameter Ø
40 mm [±0,1 mm]
Height
13.5 mm [±0,1 mm]
Weight
18.4 g [±0,1 mm]
Magnetization Direction
↑ axial
Load capacity ~ ?
17 kg / 166.71 N
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

Benefits include high holding force and longevity, as well as compact structure and strength against wear. The sheet also extends the durability of the magnetic system, reducing the risk of physical breakage.

Advantages and disadvantages of neodymium magnets NdFeB.

Besides their magnetic performance, neodymium magnets are valued for these benefits:

  • They virtually do not lose strength, because even after 10 years, the decline in efficiency is only ~1% (in laboratory conditions),
  • They protect against demagnetization induced by surrounding electromagnetic environments effectively,
  • Thanks to the glossy finish and gold coating, they have an aesthetic appearance,
  • They have exceptional magnetic induction on the surface of the magnet,
  • Neodymium magnets are known for very high magnetic induction and the ability to work at temperatures up to 230°C or higher (depending on the geometry),
  • Thanks to the possibility in shaping and the capability to adapt to specific requirements, neodymium magnets can be created in various configurations, which expands their functional possibilities,
  • Wide application in advanced technical fields – they are utilized in data storage devices, electric drives, healthcare devices and other advanced devices,
  • Thanks to their power density, small magnets offer high magnetic performance, with minimal size,

Disadvantages of NdFeB magnets:

  • They are prone to breaking when subjected to a heavy impact. If the magnets are exposed to physical collisions, we recommend in a protective enclosure. The steel housing, in the form of a holder, protects the magnet from damage and increases its overall resistance,
  • Magnets lose pulling force when exposed to temperatures exceeding 80°C. In most cases, this leads to irreversible magnetic decay (influenced by the magnet’s dimensions). To address this, we provide [AH] models with superior thermal resistance, able to operate even at 230°C or more,
  • Due to corrosion risk in humid conditions, it is common to use sealed magnets made of protective material for outdoor use,
  • Using a cover – such as a magnetic holder – is advised due to the challenges in manufacturing fine shapes directly in the magnet,
  • Safety concern due to small fragments may arise, if ingested accidentally, which is crucial in the protection of children. Moreover, minuscule fragments from these devices can interfere with diagnostics after being swallowed,
  • Due to a complex production process, their cost is relatively high,

Handle Neodymium Magnets Carefully

Neodymium magnets are highly susceptible to damage, leading to breaking.

Neodymium magnets are characterized by significant fragility. Neodymium magnets are made of metal and coated with a shiny nickel surface, but they are not as hard as steel. At the moment of connection between the magnets, sharp metal fragments can be dispersed in different directions.

Neodymium magnets can become demagnetized at high temperatures.

Although magnets have shown to retain their effectiveness up to 80°C or 175°F, this temperature may vary depending on the type of material, shape, and intended use of the magnet.

Neodymium magnets can attract to each other, pinch the skin, and cause significant swellings.

In the situation of placing a finger in the path of a neodymium magnet, in that situation, a cut or a fracture may occur.

Neodymium magnets are the strongest magnets ever created, and their power can shock you.

Make sure to review all the information we have provided. This will help you avoid harm to your body and damage to the magnets.

Neodymium magnets should not be near people with pacemakers.

Neodymium magnets produce strong magnetic fields that can interfere with the operation of a heart pacemaker. Even if the magnetic field does not affect the device, it can damage its components or deactivate the entire device.

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

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

Dust and powder from neodymium magnets are flammable.

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

Avoid contact with neodymium magnets if you have a nickel 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, you can try wearing gloves or simply avoid direct contact with nickel-plated neodymium magnets.

Do not bring neodymium magnets close to GPS and smartphones.

Neodymium magnets are a source of strong magnetic fields that cause interference with magnetometers and compasses used in navigation, as well as internal compasses of smartphones and GPS devices.

  Magnets are not toys, youngest should not play with 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.

Exercise caution!

Please see the article - What danger lies in neodymium magnets? You will learn how to handle them properly.

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e-mail: bok@dhit.pl

tel: +48 888 99 98 98