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MP 22x6x10 / N38 - ring magnet

ring magnet

Catalog no 030394

GTIN: 5906301812319

Diameter [±0,1 mm]

22 mm

internal diameter Ø [±0,1 mm]

6 mm

Height [±0,1 mm]

10 mm

Weight

37.7 g

Magnetization Direction

↑ axial

Load capacity

3.31 kg / 32.46 N

Magnetic Induction

175.75 mT

Coating

[NiCuNi] nickel

13.95 ZŁ with VAT / pcs + price for transport

11.34 ZŁ net + 23% VAT / pcs

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MP 22x6x10 / N38 - ring magnet

Specification/characteristics MP 22x6x10 / N38 - ring magnet

properties

values

Cat. no.

030394

GTIN

5906301812319

Production/Distribution

Dhit sp. z o.o.

Country of origin

Poland / China / Germany

Customs code

85059029

Diameter

22 mm [±0,1 mm]

internal diameter Ø

6 mm [±0,1 mm]

Height

10 mm [±0,1 mm]

Weight

37.7 g [±0,1 mm]

Magnetization Direction

↑ axial

Load capacity ~ ?

3.31 kg / 32.46 N

Magnetic Induction ~ ?

175.75 mT

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

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

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

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Due to unique properties, MP 22x6x10 / N38 in a ring-shaped form finds extensive use in various industries. Thanks to a powerful magnetic field of 3.31 kg, which can be described as lifting capacity, they are extremely useful in applications that require high magnetic power in a relatively small area. Applications of MP 22x6x10 / N38 magnets include electrical mechanisms, generators, audio systems, and several other devices that use magnets for producing motion or energy storage. Despite their significant strength, they have a comparatively low weight of 37.7 grams, which makes them more practical compared to bulkier alternatives.

The operation of ring magnets results from their unique atomic structure. Their properties arise from a controlled production process, including sintering and magnetization, which allows for the creation of a concentrated magnetic field in a specific direction. This field is ideal for applications in systems requiring motion control. Additionally, their resistance to high temperatures and demagnetization makes them indispensable in industry.

Ring magnets have a wide range of applications in many industries, such as production of electronic devices, such as speakers and electric motors, automotive, where they are used in brushless electric motors, and medicine, where they are used in precision diagnostic devices. Their ability to work in high temperatures and precise magnetic field control makes them indispensable in challenging industrial conditions.

Ring magnets stand out high magnetic strength, ability to work in extreme conditions, precise control of the magnetic field. Their unique ring form allows for application in devices requiring concentrated magnetic fields. Additionally, these magnets are more durable than traditional ferrite magnets, making them an ideal choice in the automotive, electronics, and medical industries.

Thanks to their resistance to high temperatures, ring magnets operate reliably even in tough conditions. They do not lose their magnetic properties, until the Curie temperature is exceeded, which for neodymium magnets is around 80°C. Compared to other types of magnets, ring magnets show greater resistance to demagnetization. Because of this, they are ideal for applications in the automotive industry, robotics, and devices requiring operation in changing or extreme environmental conditions.

A neodymium ring magnet in classes N52 and N50 is a powerful and strong magnetic product with the shape of a ring, that offers high force and versatile application. Competitive price, 24h delivery, resistance and universal usability.

Advantages as well as disadvantages of neodymium magnets NdFeB.

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

They do not lose their magnetism, even after around 10 years – the loss of strength is only ~1% (based on measurements),
They show exceptional resistance to demagnetization from external field exposure,
By applying a reflective layer of gold, the element gains a modern look,
The outer field strength of the magnet shows remarkable magnetic properties,
With the right combination of compounds, they reach increased thermal stability, enabling operation at or above 230°C (depending on the design),
Thanks to the flexibility in shaping and the capability to adapt to unique requirements, neodymium magnets can be created in diverse shapes and sizes, which increases their functional possibilities,
Key role in new technology industries – they are utilized in hard drives, rotating machines, clinical machines and other advanced devices,
Relatively small size with high magnetic force – neodymium magnets offer intense magnetic field in compact dimensions, which allows for use in compact constructions

Disadvantages of NdFeB magnets:

They are prone to breaking when subjected to a sudden impact. If the magnets are exposed to shocks, they should be placed in a protective enclosure. The steel housing, in the form of a holder, protects the magnet from fracture and additionally reinforces its overall durability,
Magnets lose power when exposed to temperatures exceeding 80°C. In most cases, this leads to irreversible performance loss (influenced by the magnet’s structure). 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 synthetic coating for outdoor use,
Limited ability to create precision features in the magnet – the use of a magnetic holder is recommended,
Potential hazard linked to microscopic shards may arise, when consumed by mistake, which is important in the family environments. Additionally, small elements from these magnets can interfere with diagnostics when ingested,
In cases of tight budgets, neodymium magnet cost is a challenge,

Caution with Neodymium Magnets

Neodymium magnets can demagnetize 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.

Magnets will attract to each other, so remember not to allow them to pinch together without control or place your fingers in their path.

If you have a finger between or alternatively on the path of attracting magnets, there may be a severe cut or even a fracture.

The magnet coating contains nickel, so be cautious 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.

Under no circumstances should neodymium magnets be placed near a computer HDD, TV, and wallet.

Strong magnetic fields emitted by neodymium magnets can damage magnetic storage media such as floppy disks, credit cards, magnetic ID cards, cassette tapes, video tapes, or other devices. They can also damage televisions, VCRs, computer monitors, and CRT displays. Avoid placing neodymium magnets in close proximity to electronic devices.

People with pacemakers are advised to avoid neodymium magnets.

Neodymium magnets generate very strong magnetic fields that can interfere with the operation of a pacemaker. This is because many of these devices are equipped with a function that deactivates the device in a magnetic field.

Dust and powder from neodymium magnets are highly flammable.

Avoid drilling or mechanical processing of neodymium magnets. Once crushed into fine powder or dust, this material becomes highly flammable.

Keep neodymium magnets far from youngest children.

Remember that neodymium magnets are not toys. Be cautious and make sure no child plays with them. Small magnets can pose a serious choking hazard. If multiple magnets are swallowed, they can attract to each other through the intestinal walls, causing significant injuries, and even death.

Under no circumstances should neodymium magnets be brought close to GPS and smartphones.

Magnetic fields interfere with compasses and magnetometers used in navigation for air and sea transport, as well as internal compasses of smartphones and GPS devices.

Neodymium magnets are over 10 times stronger than ferrite magnets (the ones in speakers), and their power can surprise 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 magnetic are delicate and can easily break as well as get damaged.

Neodymium magnetic are delicate and will crack if allowed to collide with each other, even from a distance of a few centimeters. Despite being made of metal as well as 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.

Warning!

So you are aware of why neodymium magnets are so dangerous, read the article titled How dangerous are powerful neodymium magnets?.