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MW 5x25 / N38 - cylindrical magnet

Name: Dhit sp. z o.o.
Address: Kościuszki 6A, Ożarów Mazowiecki, mazowieckie, 05-850, PL
Telephone: +48 22 499 98 98
Price range: 1-6500 PLN
Rating: 5

cylindrical magnet

Catalog no 010086

GTIN/EAN: 5906301810858

5.00

Diameter Ø

5 mm [±0,1 mm]

Height

25 mm [±0,1 mm]

Weight

3.68 g

Magnetization Direction

↑ axial

Load capacity

0.45 kg / 4.41 N

Magnetic Induction

615.39 mT / 6154 Gs

Coating

[NiCuNi] Nickel

technical specifications »

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Product card - MW 5x25 / N38 - cylindrical magnet

Specification / characteristics - MW 5x25 / N38 - cylindrical magnet

properties

properties	values
Cat. no.	010086
GTIN/EAN	5906301810858
Production/Distribution	Dhit sp. z o.o. ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin	Poland / China / Germany
Customs code	85059029
Diameter Ø	5 mm [±0,1 mm]
Height	25 mm [±0,1 mm]
Weight	3.68 g
Magnetization Direction	↑ axial
Load capacity ~ ?	0.45 kg / 4.41 N
Magnetic Induction ~ ?	615.39 mT / 6154 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 5x25 / N38 - cylindrical magnet

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

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

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 10^-6	°C^-1
Thermal expansion perpendicular (⊥) to orientation (M)	-(1-3) x 10^-6	°C^-1
Young's modulus	1.7 x 10⁴	kg/mm²

Physical modeling of the product - technical parameters

The following information represent the direct effect of a engineering simulation. Results are based on models for the material Nd₂Fe₁₄B. Operational performance might slightly deviate from the simulation results. Please consider these calculations as a supplementary guide for designers.

Table 1: Static force (force vs distance) - power drop
MW 5x25 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	6144 Gs 614.4 mT	0.45 kg / 0.99 pounds 450.0 g / 4.4 N	safe
1 mm	3869 Gs 386.9 mT	0.18 kg / 0.39 pounds 178.4 g / 1.8 N	safe
2 mm	2300 Gs 230.0 mT	0.06 kg / 0.14 pounds 63.1 g / 0.6 N	safe
3 mm	1412 Gs 141.2 mT	0.02 kg / 0.05 pounds 23.8 g / 0.2 N	safe
5 mm	633 Gs 63.3 mT	0.00 kg / 0.01 pounds 4.8 g / 0.0 N	safe
10 mm	169 Gs 16.9 mT	0.00 kg / 0.00 pounds 0.3 g / 0.0 N	safe
15 mm	72 Gs 7.2 mT	0.00 kg / 0.00 pounds 0.1 g / 0.0 N	safe
20 mm	38 Gs 3.8 mT	0.00 kg / 0.00 pounds 0.0 g / 0.0 N	safe
30 mm	15 Gs 1.5 mT	0.00 kg / 0.00 pounds 0.0 g / 0.0 N	safe
50 mm	4 Gs 0.4 mT	0.00 kg / 0.00 pounds 0.0 g / 0.0 N	safe

Pulling power weakens significantly with every mm of distance. Remember that every additional insulation layer (e.g., dirt, varnish, rust) noticeably reduces the pull force. Magnetic products hold strongest during direct contact; distance weakens the force. Analyze how flashily the parameters fall, when the product does not adhere directly to the steel surface. When planning the arrangement, eliminate unnecessary gaps.

Table 2: Vertical hold (vertical surface)
MW 5x25 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	0.09 kg / 0.20 pounds 90.0 g / 0.9 N
1 mm	Stal (~0.2)	0.04 kg / 0.08 pounds 36.0 g / 0.4 N
2 mm	Stal (~0.2)	0.01 kg / 0.03 pounds 12.0 g / 0.1 N
3 mm	Stal (~0.2)	0.00 kg / 0.01 pounds 4.0 g / 0.0 N
5 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 0.0 g / 0.0 N
10 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 0.0 g / 0.0 N
15 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 0.0 g / 0.0 N
20 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 0.0 g / 0.0 N
30 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 0.0 g / 0.0 N
50 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 0.0 g / 0.0 N

This section indicates the approximate shear load necessary to initiate the shifting of the magnet downwards against a vertical steel plate (assuming standard friction). The holding force is a function of the gap size between the magnet and the metal.

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces
MW 5x25 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	0.14 kg / 0.30 pounds 135.0 g / 1.3 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	0.09 kg / 0.20 pounds 90.0 g / 0.9 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.05 kg / 0.10 pounds 45.0 g / 0.4 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	0.23 kg / 0.50 pounds 225.0 g / 2.2 N

When hanging a magnet on a upright wall (e.g., a car body), it will maintain barely approx. 1/5 of its nominal power. Gravity and a weak degree of grip influence the fact that magnets move down faster than they pull off. Want to create a vertical fastening? Remember that the shear force is significantly lower than the perpendicular breakaway force. On a painted metal, the element will slide down under a much lighter load. Application of an anti-slip coating can drastically raise the stability.

Table 4: Material efficiency (substrate influence) - sheet metal selection
MW 5x25 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	10%	0.05 kg / 0.10 pounds 45.0 g / 0.4 N
1 mm	25%	0.11 kg / 0.25 pounds 112.5 g / 1.1 N
2 mm	50%	0.23 kg / 0.50 pounds 225.0 g / 2.2 N
3 mm	75%	0.34 kg / 0.74 pounds 337.5 g / 3.3 N
5 mm	100%	0.45 kg / 0.99 pounds 450.0 g / 4.4 N
10 mm	100%	0.45 kg / 0.99 pounds 450.0 g / 4.4 N
11 mm	100%	0.45 kg / 0.99 pounds 450.0 g / 4.4 N
12 mm	100%	0.45 kg / 0.99 pounds 450.0 g / 4.4 N

A too thin steel is not enough to take in the full magnetic flux, which wastes potential of the holder. If you attach a powerful product to a weak sheet, the magnetism will pass right through and the attraction force will be weaker. To squeeze 100% of this neodymium's power, you require a sufficiently solid backing of metal. The saturation phenomenon causes that on delicate walls (e.g., thin profiles), the magnet shows lower pull force. We suggest choosing the steel dimension based on the following data.

Table 5: Working in heat (material behavior) - power drop
MW 5x25 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	0.45 kg / 0.99 pounds 450.0 g / 4.4 N	OK
40 °C	-2.2%	0.44 kg / 0.97 pounds 440.1 g / 4.3 N	OK
60 °C	-4.4%	0.43 kg / 0.95 pounds 430.2 g / 4.2 N	OK
80 °C	-6.6%	0.42 kg / 0.93 pounds 420.3 g / 4.1 N
100 °C	-28.8%	0.32 kg / 0.71 pounds 320.4 g / 3.1 N

Classic neodymiums irreversibly lose power after exceeding the maximum temperature. Avoid high temperatures – excessive heat can permanently destroy this product. With increasing heat, the neodymium's force temporarily drops. Refrain from using this product close to ovens exceeding its working range. Ignoring the limit will result in irreversible degradation of magnetic properties.

*Technical advisory: Heat tolerance depends not only on the material grade, and the Permeance Coefficient Pc. Flat magnets (pancake types) risk losing magnetic properties under lower heat stress than long magnets. The danger warning in the table points to a risk of irreversible loss for this particular item.

Table 6: Two magnets (attraction) - field range
MW 5x25 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Shear Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	4.57 kg / 10.08 pounds 6 167 Gs	0.69 kg / 1.51 pounds 686 g / 6.7 N	N/A
1 mm	2.97 kg / 6.55 pounds 9 909 Gs	0.45 kg / 0.98 pounds 446 g / 4.4 N	2.67 kg / 5.90 pounds ~0 Gs
2 mm	1.81 kg / 3.99 pounds 7 738 Gs	0.27 kg / 0.60 pounds 272 g / 2.7 N	1.63 kg / 3.60 pounds ~0 Gs
3 mm	1.08 kg / 2.37 pounds 5 965 Gs	0.16 kg / 0.36 pounds 162 g / 1.6 N	0.97 kg / 2.14 pounds ~0 Gs
5 mm	0.39 kg / 0.86 pounds 3 581 Gs	0.06 kg / 0.13 pounds 58 g / 0.6 N	0.35 kg / 0.77 pounds ~0 Gs
10 mm	0.05 kg / 0.11 pounds 1 266 Gs	0.01 kg / 0.02 pounds 7 g / 0.1 N	0.04 kg / 0.10 pounds ~0 Gs
20 mm	0.00 kg / 0.01 pounds 339 Gs	0.00 kg / 0.00 pounds 1 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
50 mm	0.00 kg / 0.00 pounds 46 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
60 mm	0.00 kg / 0.00 pounds 30 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
70 mm	0.00 kg / 0.00 pounds 21 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
80 mm	0.00 kg / 0.00 pounds 15 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
90 mm	0.00 kg / 0.00 pounds 11 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
100 mm	0.00 kg / 0.00 pounds 9 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs

Two magnets interact from a much further distance than a neodymium and metal setup. The connection of two magnets creates a more powerful interaction and a wider radius of action. Designing a powerful holder? Utilize two neodymiums instead of one magnet and a steel. Remember that when attracting two neodymiums, the collision energy is extreme. The levitation is a bit weaker than the connection force, but still significant.
*The magnetic induction for N-N configuration reaches ~0 Gs in the exact middle between the magnets (resulting from vector opposition).
Attention: Calculations apply to shear force of dual matching neodymium magnets (friction coefficient ~0.15 for Ni-Ni plating).

Table 7: Protective zones (implants) - warnings
MW 5x25 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	5.0 cm
Hearing aid	10 Gs (1.0 mT)	4.0 cm
Mechanical watch	20 Gs (2.0 mT)	3.0 cm
Mobile device	40 Gs (4.0 mT)	2.0 cm
Car key	50 Gs (5.0 mT)	2.0 cm
Payment card	400 Gs (40.0 mT)	1.0 cm
HDD hard drive	600 Gs (60.0 mT)	1.0 cm

Extremely neodym field is a real danger to IT equipment and medical implants. These neodymiums produce a field that disrupts operation of digital equipment. Remember: the unseen radiation acts through matter and housings. Special caution must be taken by people with cochlear implants and drug dispensers. Also at risk are: automatic timepieces, car keys, speakers, and displays. Do not bring the product near payment cards, HDD media, or precise measuring instruments.

Table 8: Impact energy (kinetic energy) - warning
MW 5x25 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	11.16 km/h (3.10 m/s)	0.02 J
30 mm	19.32 km/h (5.37 m/s)	0.05 J
50 mm	24.94 km/h (6.93 m/s)	0.09 J
100 mm	35.27 km/h (9.80 m/s)	0.18 J

Neodymium magnets are very brittle – a violent impact against metal risks their cracking. Control the attraction moment – a neodymium left loose turns into a projectile. Striking energy can cause material chips or dangerous crushing to skin. Hold the magnet firmly during installation so it doesn't slam with momentum against the metal. A collision at high speed almost guarantees destruction of the neodymium. Use safety goggles when handling with large magnets.

Table 9: Corrosion resistance
MW 5x25 / N38

Technical parameter	Value / Description
Coating type	[NiCuNi] Nickel
Layer structure	Nickel - Copper - Nickel
Layer thickness	10-20 µm
Salt spray test (SST) ?	24 h
Recommended environment	Indoors only (dry)

The SST (salt spray test) is an industry standard for determining coating lifespan in harsh conditions. Improper coating selection is the most common cause of magnet failure over time.

Table 10: Electrical data (P_c)
MW 5x25 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	1 450 Mx	14.5 µWb
P_c Coefficient	1.55	High (Stable)

Flux value passing through the magnet pole. Key data when building generators and motors. P_c value defines the magnet's operating point.

Table 11: Submerged application
MW 5x25 / N38

Environment	Effective steel pull	Effect
Air (land)	0.45 kg	Standard
Water (riverbed)	0.52 kg (+0.07 kg buoyancy gain)	+14.5%

Rust risk: Remember to wipe the magnet thoroughly after removing it from water and apply a protective layer (e.g., oil) to avoid corrosion.

The magnetic field penetrates through water without any losses. As a result, your magnet will pull a heavier object from the bottom than if you lifted it in the air.

1. Sliding resistance

*Caution: On a vertical wall, the magnet holds only ~20% of its perpendicular strength.

2. Efficiency vs thickness

*Thin metal sheet (e.g. computer case) drastically reduces the holding force.

3. Temperature resistance

*For standard magnets, the safety limit is 80°C.

4. Demagnetization curve and operating point (B-H)

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 1.55

The chart above illustrates the magnetic characteristics of the material within the second quadrant of the hysteresis loop. The solid red line represents the demagnetization curve (material potential), while the dashed blue line is the load line based on the magnet's geometry. The P_c (Permeance Coefficient), also known as the load line slope, is a dimensionless value that describes the relationship between the magnet's shape and its magnetic stability. The intersection of these two lines (the black dot) is the operating point — it determines the actual magnetic flux density generated by the magnet in this specific configuration. A higher P_c value means the magnet is more 'slender' (tall relative to its area), resulting in a higher operating point and better resistance to irreversible demagnetization caused by external fields or temperature. A value of 0.42 is relatively low (typical for flat magnets), meaning the operating point is closer to the 'knee' of the curve — caution is advised when operating at temperatures near the maximum limit to avoid strength loss.

Technical specification and ecology

Chemical composition

iron (Fe)	64% – 68%
neodymium (Nd)	29% – 32%
boron (B)	1.1% – 1.2%
dysprosium (Dy)	0.5% – 2.0%
coating (Ni-Cu-Ni)	< 0.05%

Sustainability

recyclability (EoL)	100%
recycled raw materials	~10% (pre-cons)
carbon footprint	low / zredukowany
waste code (EWC)	16 02 16

Safety card (GPSR)

responsible entity

Dhit sp. z o.o.

ul. Kościuszki 6A, 05-850 Ożarów Mazowiecki

tel: +48 22 499 98 98 | e-mail: bok@dhit.pl

batch number/type

id: 010086-2026

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The offered product is an exceptionally strong cylindrical magnet, made from modern NdFeB material, which, at dimensions of Ø5x25 mm, guarantees the highest energy density. This specific item boasts a tolerance of ±0.1mm and professional build quality, making it a perfect solution for professional engineers and designers. As a magnetic rod with significant force (approx. 0.45 kg), this product is in stock from our warehouse in Poland, ensuring lightning-fast order fulfillment. Additionally, its triple-layer Ni-Cu-Ni coating effectively protects it against corrosion in typical operating conditions, guaranteeing an aesthetic appearance and durability for years.

This model is ideal for building electric motors, advanced Hall effect sensors, and efficient filters, where field concentration on a small surface counts. Thanks to the pull force of 4.41 N with a weight of only 3.68 g, this rod is indispensable in miniature devices and wherever low weight is crucial.

Due to the delicate structure of the ceramic sinter, we absolutely advise against force-fitting (so-called press-fit), as this risks immediate cracking of this precision component. To ensure long-term durability in automation, anaerobic resins are used, which do not react with the nickel coating and fill the gap, guaranteeing high repeatability of the connection.

Magnets N38 are suitable for 90% of applications in modeling and machine building, where extreme miniaturization with maximum force is not required. If you need even stronger magnets in the same volume (Ø5x25), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard available off-the-shelf in our store.

The presented product is a neodymium magnet with precisely defined parameters: diameter 5 mm and height 25 mm. The key parameter here is the lifting capacity amounting to approximately 0.45 kg (force ~4.41 N), which, with such compact dimensions, proves the high power of the NdFeB material. The product has a [NiCuNi] coating, which secures it against oxidation, giving it an aesthetic, silvery shine.

This cylinder is magnetized axially (along the height of 25 mm), which means that the N and S poles are located on the flat, circular surfaces. Such an arrangement is standard when connecting magnets in stacks (e.g., in filters) or when mounting in sockets at the bottom of a hole. On request, we can also produce versions magnetized diametrically if your project requires it.

Strengths as well as weaknesses of rare earth magnets.

Advantages

Besides their stability, neodymium magnets are valued for these benefits:

They do not lose strength, even during around ten years – the decrease in strength is only ~1% (according to tests),
They retain their magnetic properties even under strong external field,
In other words, due to the glossy finish of silver, the element looks attractive,
Magnetic induction on the surface of the magnet remains exceptional,
Through (appropriate) combination of ingredients, they can achieve high thermal resistance, enabling functioning at temperatures reaching 230°C and above...
Possibility of custom forming as well as optimizing to concrete conditions,
Versatile presence in modern industrial fields – they are utilized in HDD drives, drive modules, medical equipment, as well as modern systems.
Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in compact dimensions, which allows their use in miniature devices

Limitations

Disadvantages of neodymium magnets:

At strong impacts they can break, therefore we advise placing them in steel cases. A metal housing provides additional protection against damage and increases the magnet's durability.
When exposed to high temperature, neodymium magnets experience a drop in strength. Often, when the temperature exceeds 80°C, their power decreases (depending on the size and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
They oxidize in a humid environment. For use outdoors we advise using waterproof magnets e.g. in rubber, plastic
Due to limitations in creating threads and complicated shapes in magnets, we recommend using cover - magnetic holder.
Health risk resulting from small fragments of magnets can be dangerous, when accidentally swallowed, which gains importance in the context of child safety. It is also worth noting that small components of these products are able to be problematic in diagnostics medical in case of swallowing.
High unit price – neodymium magnets have a higher price than other types of magnets (e.g. ferrite), which increases costs of application in large quantities

Holding force characteristics

Best holding force of the magnet in ideal parameters – what it depends on?

The declared magnet strength concerns the limit force, recorded under optimal environment, meaning:

on a base made of mild steel, optimally conducting the magnetic flux
with a cross-section minimum 10 mm
characterized by even structure
without any insulating layer between the magnet and steel
during pulling in a direction vertical to the plane
at room temperature

Lifting capacity in real conditions – factors

In real-world applications, the real power results from many variables, presented from the most important:

Distance – the presence of foreign body (paint, dirt, gap) interrupts the magnetic circuit, which lowers power rapidly (even by 50% at 0.5 mm).
Direction of force – highest force is available only during pulling at a 90° angle. The resistance to sliding of the magnet along the plate is standardly several times smaller (approx. 1/5 of the lifting capacity).
Substrate thickness – to utilize 100% power, the steel must be adequately massive. Paper-thin metal restricts the lifting capacity (the magnet "punches through" it).
Chemical composition of the base – mild steel attracts best. Alloy steels decrease magnetic properties and holding force.
Smoothness – full contact is obtained only on smooth steel. Any scratches and bumps reduce the real contact area, reducing force.
Thermal conditions – NdFeB sinters have a sensitivity to temperature. When it is hot they lose power, and at low temperatures gain strength (up to a certain limit).

Holding force was checked on the plate surface of 20 mm thickness, when a perpendicular force was applied, in contrast under shearing force the holding force is lower. Moreover, even a slight gap between the magnet and the plate reduces the holding force.

Warnings

Eye protection

Despite the nickel coating, neodymium is delicate and cannot withstand shocks. Avoid impacts, as the magnet may shatter into hazardous fragments.

Adults only

Neodymium magnets are not toys. Swallowing a few magnets can lead to them connecting inside the digestive tract, which poses a critical condition and necessitates urgent medical intervention.

Dust is flammable

Fire warning: Rare earth powder is explosive. Do not process magnets in home conditions as this risks ignition.

Power loss in heat

Regular neodymium magnets (grade N) lose magnetization when the temperature exceeds 80°C. This process is irreversible.

Medical implants

Medical warning: Strong magnets can turn off heart devices and defibrillators. Do not approach if you have electronic implants.

Respect the power

Handle with care. Rare earth magnets attract from a distance and connect with huge force, often faster than you can react.

Metal Allergy

Nickel alert: The nickel-copper-nickel coating consists of nickel. If skin irritation occurs, immediately stop working with magnets and wear gloves.

Bone fractures

Pinching hazard: The attraction force is so great that it can cause hematomas, crushing, and even bone fractures. Use thick gloves.

Electronic hazard

Do not bring magnets close to a purse, computer, or TV. The magnetic field can irreversibly ruin these devices and wipe information from cards.

Threat to navigation

GPS units and smartphones are highly sensitive to magnetism. Close proximity with a strong magnet can permanently damage the sensors in your phone.

Important! Learn more about risks in the article: Magnet Safety Guide.

MW 5x25 / N38 - cylindrical magnet

Product card - MW 5x25 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Physical modeling of the product - technical parameters

Table 1: Static force (force vs distance) - power drop MW 5x25 / N38

Table 2: Vertical hold (vertical surface) MW 5x25 / N38

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces MW 5x25 / N38

Table 4: Material efficiency (substrate influence) - sheet metal selection MW 5x25 / N38

Table 5: Working in heat (material behavior) - power drop MW 5x25 / N38

Table 6: Two magnets (attraction) - field range MW 5x25 / N38

Table 7: Protective zones (implants) - warnings MW 5x25 / N38

Table 8: Impact energy (kinetic energy) - warning MW 5x25 / N38

Table 9: Corrosion resistance MW 5x25 / N38

Table 10: Electrical data (Pc) MW 5x25 / N38

Table 11: Submerged application MW 5x25 / N38

1. Sliding resistance

2. Efficiency vs thickness

3. Temperature resistance

4. Demagnetization curve and operating point (B-H)

Chemical composition

Sustainability

Force (pull)

Magnetic Field

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Strengths as well as weaknesses of rare earth magnets.

Advantages

Limitations

Holding force characteristics

Best holding force of the magnet in ideal parameters – what it depends on?

Lifting capacity in real conditions – factors

Warnings

Eye protection

Adults only

Dust is flammable

Power loss in heat

Medical implants

Respect the power

Metal Allergy

Bone fractures

Electronic hazard

Threat to navigation

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static force (force vs distance) - power drop
MW 5x25 / N38

Table 2: Vertical hold (vertical surface)
MW 5x25 / N38

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces
MW 5x25 / N38

Table 4: Material efficiency (substrate influence) - sheet metal selection
MW 5x25 / N38

Table 5: Working in heat (material behavior) - power drop
MW 5x25 / N38

Table 6: Two magnets (attraction) - field range
MW 5x25 / N38

Table 7: Protective zones (implants) - warnings
MW 5x25 / N38

Table 8: Impact energy (kinetic energy) - warning
MW 5x25 / N38

Table 9: Corrosion resistance
MW 5x25 / N38

Table 10: Electrical data (P_c)
MW 5x25 / N38

Table 11: Submerged application
MW 5x25 / N38