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neodymium magnets

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NCM 15x13.5x5 / N38 - channel magnetic holder

channel magnetic holder

Catalog no 360486

GTIN: 5906301814856

5

Diameter Ø [±0,1 mm]

15 mm

Height [±0,1 mm]

13.5 mm

Weight

6.8 g

Magnetization Direction

↑ axial

Load capacity

7 kg / 68.65 N

Coating

[NiCuNi] nickel

5.10 with VAT / pcs + price for transport

4.15 ZŁ net + 23% VAT / pcs

bulk discounts:

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Give us a call +48 22 499 98 98 if you prefer get in touch by means of inquiry form our website.
Strength as well as structure of neodymium magnets can be verified using our modular calculator.

Orders placed before 14:00 will be shipped the same business day.

NCM 15x13.5x5 / N38 - channel magnetic holder

Specification/characteristics NCM 15x13.5x5 / N38 - channel magnetic holder
properties
values
Cat. no.
360486
GTIN
5906301814856
Production/Distribution
Dhit sp. z o.o.
Country of origin
Poland / China / Germany
Customs code
85059029
Diameter Ø
15 mm [±0,1 mm]
Height
13.5 mm [±0,1 mm]
Weight
6.8 g [±0,1 mm]
Magnetization Direction
↑ axial
Load capacity ~ ?
7 kg / 68.65 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

They function thanks to a strong magnetic field of a neodymium core, which can be enhanced by the cover. Their operating principle is based on neodymium cores embedded inside a steel shell, which concentrates the magnetism, enabling stable attraction of metal elements.

Advantages and disadvantages of neodymium magnets NdFeB.

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

  • Their strength is durable, and after approximately 10 years, it drops only by ~1% (according to research),
  • They are highly resistant to demagnetization caused by external magnetic sources,
  • Thanks to the glossy finish and silver coating, they have an aesthetic appearance,
  • They exhibit elevated levels of magnetic induction near the outer area of the magnet,
  • Thanks to their high temperature resistance, they can operate (depending on the geometry) even at temperatures up to 230°C or more,
  • With the option for tailored forming and precise design, these magnets can be produced in multiple shapes and sizes, greatly improving application potential,
  • Key role in advanced technical fields – they are used in HDDs, electromechanical systems, medical equipment as well as high-tech tools,
  • Relatively small size with high magnetic force – neodymium magnets offer intense magnetic field in tiny dimensions, which makes them ideal in compact constructions

Disadvantages of neodymium magnets:

  • They are fragile when subjected to a powerful impact. If the magnets are exposed to shocks, we recommend in a metal holder. The steel housing, in the form of a holder, protects the magnet from damage and additionally reinforces its overall durability,
  • High temperatures may significantly reduce the strength of neodymium magnets. Typically, above 80°C, they experience permanent decline in performance (depending on shape). To prevent this, we offer heat-resistant magnets marked [AH], capable of working up to 230°C, which makes them perfect for high-temperature use,
  • Due to corrosion risk in humid conditions, it is recommended to use sealed magnets made of protective material for outdoor use,
  • The use of a protective casing or external holder is recommended, since machining fine details in neodymium magnets is difficult,
  • Health risk from tiny pieces may arise, in case of ingestion, which is significant in the protection of children. Additionally, miniature parts from these products might disrupt scanning when ingested,
  • In cases of large-volume purchasing, neodymium magnet cost is a challenge,

Be Cautious with Neodymium Magnets

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.

Neodymium magnets are not recommended for people with pacemakers.

Neodymium magnets generate very strong magnetic fields that can interfere with the operation of a pacemaker. This happens because such devices have a function to deactivate them in a magnetic field.

Neodymium magnets are among the most powerful magnets on Earth. The astonishing force they generate between each other can surprise you.

On our website, you can find information on how to use neodymium magnets. This will help you avoid injuries and prevent damage to the magnets.

The magnet coating contains nickel, so be cautious if you have a nickel allergy.

Studies clearly indicate a small percentage of people who suffer from metal allergies such as 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.

It is crucial not to allow the magnets to pinch together uncontrollably or place your fingers in their path as they attract to each other.

Neodymium magnets will bounce and clash together within a radius of several to almost 10 cm from each other.

Neodymium magnets can demagnetize at high temperatures.

Although magnets have demonstrated their effectiveness up to 80°C or 175°F, the temperature can vary depending on the type, shape, and intended use of the specific magnet.

Neodymium magnets are particularly fragile, resulting in damage.

Neodymium magnetic are delicate as well as will break if allowed to collide with each other, even from a distance of a few centimeters. Despite being made of metal and coated with a shiny nickel plating, they are not as hard as steel. In the case of a collision between two magnets, there can be a scattering of small sharp metal fragments in different directions. Protecting your eyes is essential.

  Magnets are not toys, children should not play with them.

Remember that neodymium magnets are not toys. Be cautious and make sure no child plays 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.

Under no circumstances should neodymium magnets be brought 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.

Make sure not to bring neodymium magnets close to the TV, wallet, and computer HDD.

Neodymium magnets generate strong magnetic fields that can damage magnetic media such as floppy disks, video tapes, HDDs, credit cards, magnetic ID cards, cassette tapes, or other devices. They can also damage devices like video players, televisions, CRT computer monitors. Remember not to place neodymium magnets close to these electronic devices.

Pay attention!

Please read 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