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MPL 6x6x6 / N38 - lamellar magnet

lamellar magnet

Catalog no 020175

GTIN: 5906301811817

length [±0,1 mm]

6 mm

Width [±0,1 mm]

6 mm

Height [±0,1 mm]

6 mm

Weight

1.62 g

Magnetization Direction

↑ axial

Load capacity

2.84 kg / 27.85 N

Magnetic Induction

539.50 mT

Coating

[NiCuNi] nickel

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0.73 ZŁ net + 23% VAT / pcs

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MPL 6x6x6 / N38 - lamellar magnet

Specification/characteristics MPL 6x6x6 / N38 - lamellar magnet

properties

values

Cat. no.

020175

GTIN

5906301811817

Production/Distribution

Dhit sp. z o.o.

Country of origin

Poland / China / Germany

Customs code

85059029

length

6 mm [±0,1 mm]

Width

6 mm [±0,1 mm]

Height

6 mm [±0,1 mm]

Weight

1.62 g [±0,1 mm]

Magnetization Direction

↑ axial

Load capacity ~ ?

2.84 kg / 27.85 N

Magnetic Induction ~ ?

539.50 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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Flat neodymium magnets min. MPL 6x6x6 / N38 are magnets made from neodymium in a rectangular form. They are valued for their extremely powerful magnetic properties, which outshine ordinary iron magnets.
Due to their strength, flat magnets are regularly used in products that need very strong attraction.
The standard temperature resistance of these magnets is 80°C, but with larger dimensions, this value can increase.
Moreover, flat magnets commonly have special coatings applied to their surfaces, such as nickel, gold, or chrome, to improve their strength.
The magnet labeled MPL 6x6x6 / N38 and a lifting capacity of 2.84 kg which weighs only 1.62 grams, making it the excellent choice for projects needing a flat magnet.

Neodymium flat magnets present a range of advantages compared to other magnet shapes, which make them being the best choice for many applications:
Contact surface: Thanks to their flat shape, flat magnets guarantee a greater contact surface with adjacent parts, which can be beneficial in applications needing a stronger magnetic connection.
Technology applications: They are often used in various devices, such as sensors, stepper motors, or speakers, where the flat shape is crucial for their operation.
Mounting: Their flat shape simplifies mounting, particularly when it is necessary to attach the magnet to another surface.
Design flexibility: The flat shape of the magnets allows creators a lot of flexibility in placing them in devices, which is more difficult with magnets of more complex shapes.
Stability: In some applications, the flat base of the flat magnet can provide better stability, minimizing the risk of shifting or rotating. However, one should remember that the optimal shape of the magnet depends on the specific project and requirements. In certain cases, other shapes, such as cylindrical or spherical, may be a better choice.

How do magnets work? Magnets attract ferromagnetic materials, such as iron elements, nickel, cobalt or special alloys of ferromagnetic metals. Moreover, magnets may weaker affect some other metals, such as steel. Magnets are used in many fields.

Magnets work thanks to the properties of the magnetic field, which arises from the ordered movement of electrons in their structure. The magnetic field of these objects creates attractive forces, which attract objects made of iron or other ferromagnetic substances.

Magnets have two poles: north (N) and south (S), which attract each other when they are oppositely oriented. Poles of the same kind, e.g. two north poles, act repelling on each other.
Due to these properties, magnets are regularly used in magnetic technologies, e.g. motors, speakers, sensors, or magnetic locks. Neodymium magnets stand out with the highest power of attraction, making them perfect for applications requiring strong magnetic fields. Moreover, the strength of a magnet depends on its dimensions and the materials used.

Not all materials react to magnets, and examples of such substances are plastics, glass items, wood or most gemstones. Additionally, magnets do not affect certain metals, such as copper items, aluminum materials, items made of gold. These metals, although they are conductors of electricity, do not exhibit ferromagnetic properties, meaning that they remain unaffected by a magnet, unless exposed to a very strong magnetic field.
It’s worth noting that high temperatures can weaken the magnet's effect. Every magnetic material has its Curie point, meaning that once this temperature is exceeded, the magnet stops being magnetic. Interestingly, strong magnets can interfere with the operation of devices, such as navigational instruments, magnetic stripe cards or electronic devices sensitive to magnetic fields. Therefore, it is important to avoid placing magnets near such devices.

A flat magnet of class N50 and N52 is a strong and powerful magnetic product in the form of a plate, that offers strong holding power and versatile application. Competitive price, availability, durability and multi-functionality.

Advantages and disadvantages of neodymium magnets NdFeB.

Apart from their notable magnetism, neodymium magnets have these key benefits:

They have stable power, and over nearly 10 years their attraction force decreases symbolically – ~1% (in testing),
They show superior resistance to demagnetization from outside magnetic sources,
The use of a decorative gold surface provides a eye-catching finish,
They have exceptional magnetic induction on the surface of the magnet,
With the right combination of compounds, they reach excellent thermal stability, enabling operation at or above 230°C (depending on the structure),
With the option for customized forming and targeted design, these magnets can be produced in multiple shapes and sizes, greatly improving application potential,
Important function in advanced technical fields – they are utilized in HDDs, rotating machines, diagnostic apparatus and sophisticated instruments,
Compactness – despite their small size, they generate strong force, making them ideal for precision applications

Disadvantages of magnetic elements:

They can break when subjected to a powerful impact. If the magnets are exposed to external force, it is advisable to use in a steel housing. The steel housing, in the form of a holder, protects the magnet from cracks and strengthens its overall robustness,
High temperatures may significantly reduce the magnetic power of neodymium magnets. Typically, above 80°C, they experience permanent loss in performance (depending on size). 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,
Magnets exposed to humidity can corrode. Therefore, for outdoor applications, it's best to use waterproof types made of rubber,
Limited ability to create threads in the magnet – the use of a housing is recommended,
Safety concern related to magnet particles may arise, in case of ingestion, which is significant in the health of young users. It should also be noted that miniature parts from these products can interfere with diagnostics after being swallowed,
Higher purchase price is an important factor to consider compared to ceramic magnets, especially in budget-sensitive applications

Best holding force of the magnet in ideal parameters – what contributes to it?

The given pulling force of the magnet represents the maximum force, calculated under optimal conditions, specifically:

with the use of low-carbon steel plate acting as a magnetic yoke
of a thickness of at least 10 mm
with a refined outer layer
with no separation
with vertical force applied
in normal thermal conditions

Lifting capacity in real conditions – factors

The lifting capacity of a magnet is determined by in practice key elements, from primary to secondary:

Air gap between the magnet and the plate, because even a very small distance (e.g. 0.5 mm) can cause a drop in lifting force of up to 50%.
Direction of applied force, because the maximum lifting capacity is achieved under perpendicular application. The force required to slide the magnet along the plate is usually several times lower.
Thickness of the plate, as a plate that is too thin causes part of the magnetic flux not to be used and to remain wasted in the air.
Material of the plate, because higher carbon content lowers holding force, while higher iron content increases it. The best choice is steel with high magnetic permeability and high saturation induction.
Surface of the plate, because the more smooth and polished it is, the better the contact and consequently the greater the magnetic saturation.
Operating temperature, since all permanent magnets have a negative temperature coefficient. This means that at high temperatures they are weaker, while at sub-zero temperatures they become slightly stronger.

* Lifting capacity testing was carried out on plates with a smooth surface of optimal thickness, under a perpendicular pulling force, whereas under shearing force the load capacity is reduced by as much as 75%. In addition, even a slight gap {between} the magnet and the plate decreases the load capacity.

Precautions

Dust and powder from neodymium magnets are flammable.

Do not attempt to drill into neodymium magnets. Mechanical processing is also not recommended. Once crushed into fine powder or dust, this material becomes highly flammable.

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

Neodymium magnets jump and also clash mutually within a radius of several to around 10 cm from each other.

Neodymium magnets are highly delicate, they easily fall apart and can become damaged.

Magnets made of neodymium are highly delicate, and by joining them in an uncontrolled manner, they will crumble. 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, small metal fragments can be dispersed in different directions.

Neodymium magnets can demagnetize at high temperatures.

Under specific conditions, Neodymium magnets may experience demagnetization when subjected to high temperatures.

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

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. Avoid placing neodymium magnets in close proximity to electronic devices.

It is essential to maintain neodymium magnets away from children.

Not all neodymium magnets are toys, so do not let children play with them. In the case of small magnets, they can be swallowed and cause choking. In such cases, the only solution is to undergo surgery to remove the magnets, and otherwise, it can even lead to death.

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.

Keep neodymium magnets away from people with pacemakers.

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.

Neodymium magnets are the strongest magnets ever invented. Their strength can surprise you.

Familiarize yourself with our information to correctly handle these magnets and avoid significant swellings to your body and prevent damage to the magnets.

Do not bring neodymium magnets close to GPS and smartphones.

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

Warning!

In order for you to know how powerful neodymium magnets are and why they are so dangerous, see the article - Dangerous very powerful neodymium magnets.