Product available Ships tomorrow

MW 25x6 / N38 - cylindrical magnet

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

cylindrical magnet

Catalog no 010050

GTIN/EAN: 5906301810490

5.00

Diameter Ø

25 mm [±0,1 mm]

Height

6 mm [±0,1 mm]

Weight

22.09 g

Magnetization Direction

↑ axial

Load capacity

10.27 kg / 100.71 N

Magnetic Induction

268.21 mT / 2682 Gs

Coating

[NiCuNi] Nickel

technical specifications »

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Product card - MW 25x6 / N38 - cylindrical magnet

Specification / characteristics - MW 25x6 / N38 - cylindrical magnet

properties

properties	values
Cat. no.	010050
GTIN/EAN	5906301810490
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	25 mm [±0,1 mm]
Height	6 mm [±0,1 mm]
Weight	22.09 g
Magnetization Direction	↑ axial
Load capacity ~ ?	10.27 kg / 100.71 N
Magnetic Induction ~ ?	268.21 mT / 2682 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 25x6 / 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

Technical modeling of the magnet - technical parameters

Presented data are the result of a physical calculation. Results are based on algorithms for the material Nd₂Fe₁₄B. Actual performance may differ. Treat these data as a reference point when designing systems.

Table 1: Static force (force vs gap) - interaction chart
MW 25x6 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	2682 Gs 268.2 mT	10.27 kg / 22.64 lbs 10270.0 g / 100.7 N	dangerous!
1 mm	2535 Gs 253.5 mT	9.18 kg / 20.23 lbs 9177.2 g / 90.0 N	medium risk
2 mm	2363 Gs 236.3 mT	7.97 kg / 17.57 lbs 7971.8 g / 78.2 N	medium risk
3 mm	2176 Gs 217.6 mT	6.76 kg / 14.91 lbs 6761.0 g / 66.3 N	medium risk
5 mm	1793 Gs 179.3 mT	4.59 kg / 10.13 lbs 4592.7 g / 45.1 N	medium risk
10 mm	1013 Gs 101.3 mT	1.46 kg / 3.23 lbs 1464.5 g / 14.4 N	weak grip
15 mm	565 Gs 56.5 mT	0.46 kg / 1.00 lbs 455.3 g / 4.5 N	weak grip
20 mm	330 Gs 33.0 mT	0.16 kg / 0.34 lbs 155.7 g / 1.5 N	weak grip
30 mm	134 Gs 13.4 mT	0.03 kg / 0.06 lbs 25.6 g / 0.3 N	weak grip
50 mm	36 Gs 3.6 mT	0.00 kg / 0.00 lbs 1.9 g / 0.0 N	weak grip

Grip strength drops drastically with every subsequent millimeter of spacing. Keep in mind that even the smallest gap (e.g., contamination, varnish, veneer) noticeably diminishes the holding power. Magnets operate most effectively in perfect adhesion; gap nullifies the force. See how quickly the pull force drop, when the product does not adhere flatly to the steel surface. When designing the assembly, eliminate unnecessary gaps.

Table 2: Shear load (vertical surface)
MW 25x6 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	2.05 kg / 4.53 lbs 2054.0 g / 20.1 N
1 mm	Stal (~0.2)	1.84 kg / 4.05 lbs 1836.0 g / 18.0 N
2 mm	Stal (~0.2)	1.59 kg / 3.51 lbs 1594.0 g / 15.6 N
3 mm	Stal (~0.2)	1.35 kg / 2.98 lbs 1352.0 g / 13.3 N
5 mm	Stal (~0.2)	0.92 kg / 2.02 lbs 918.0 g / 9.0 N
10 mm	Stal (~0.2)	0.29 kg / 0.64 lbs 292.0 g / 2.9 N
15 mm	Stal (~0.2)	0.09 kg / 0.20 lbs 92.0 g / 0.9 N
20 mm	Stal (~0.2)	0.03 kg / 0.07 lbs 32.0 g / 0.3 N
30 mm	Stal (~0.2)	0.01 kg / 0.01 lbs 6.0 g / 0.1 N
50 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N

The table below indicates the approximate weight limit necessary to start the downward movement of the magnet downwards against a vertical steel plate (assuming standard friction coefficient). This parameter varies with the distance between the magnet and the surface.

Table 3: Wall mounting (shearing) - behavior on slippery surfaces
MW 25x6 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	3.08 kg / 6.79 lbs 3081.0 g / 30.2 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	2.05 kg / 4.53 lbs 2054.0 g / 20.1 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	1.03 kg / 2.26 lbs 1027.0 g / 10.1 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	5.14 kg / 11.32 lbs 5135.0 g / 50.4 N

When placing a magnet on a vertical plane (e.g., a board), it will maintain just approx. 1/5 of its maximum pull force. Gravitational force as well as a weak degree of grip cause that magnets slip easier than they pull off. Designing a hanger? Consider that the sliding force is much weaker than the perpendicular breakaway force. On a smooth steel, the holder will give way down under a significantly smaller cargo. Application of an anti-slip coating can significantly improve the result.

Table 4: Material efficiency (substrate influence) - power losses
MW 25x6 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	5%	0.51 kg / 1.13 lbs 513.5 g / 5.0 N
1 mm	13%	1.28 kg / 2.83 lbs 1283.8 g / 12.6 N
2 mm	25%	2.57 kg / 5.66 lbs 2567.5 g / 25.2 N
3 mm	38%	3.85 kg / 8.49 lbs 3851.3 g / 37.8 N
5 mm	63%	6.42 kg / 14.15 lbs 6418.7 g / 63.0 N
10 mm	100%	10.27 kg / 22.64 lbs 10270.0 g / 100.7 N
11 mm	100%	10.27 kg / 22.64 lbs 10270.0 g / 100.7 N
12 mm	100%	10.27 kg / 22.64 lbs 10270.0 g / 100.7 N

A too thin steel is incapable of take in the full magnetic flux, which wastes potential of the magnet. Should you mount a strong magnet to a weak sheet, the flux will pass right through and the attraction force will be weaker. To utilize 100% of this neodymium's power, you require a sufficiently solid piece of metal. The saturation effect means that on delicate walls (e.g., thin profiles), the product holds weaker. We suggest choosing the steel dimension based on the following data.

Table 5: Thermal resistance (stability) - resistance threshold
MW 25x6 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	10.27 kg / 22.64 lbs 10270.0 g / 100.7 N	OK
40 °C	-2.2%	10.04 kg / 22.14 lbs 10044.1 g / 98.5 N	OK
60 °C	-4.4%	9.82 kg / 21.65 lbs 9818.1 g / 96.3 N
80 °C	-6.6%	9.59 kg / 21.15 lbs 9592.2 g / 94.1 N
100 °C	-28.8%	7.31 kg / 16.12 lbs 7312.2 g / 71.7 N

Ordinary NdFeB products lose power past the thermal threshold. Watch out for overheating – heat can permanently destroy this product. As the temperature rises, the magnet's force momentarily drops. Refrain from using this product close to heaters exceeding its operating temperature limit. Exceeding the critical threshold will lead to destruction of magnetism.

*Important note: Temperature resistance is determined by both grade, but also on the magnet's shape. Flat magnets (low Pc) are more susceptible to demagnetization under lower heat stress than taller cylinders. The danger warning in the table signals a risk of irreversible loss for this particular item.

Table 6: Two magnets (repulsion) - field collision
MW 25x6 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Shear Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	21.76 kg / 47.98 lbs 4 291 Gs	3.26 kg / 7.20 lbs 3264 g / 32.0 N	N/A
1 mm	20.66 kg / 45.54 lbs 5 225 Gs	3.10 kg / 6.83 lbs 3098 g / 30.4 N	18.59 kg / 40.98 lbs ~0 Gs
2 mm	19.45 kg / 42.87 lbs 5 070 Gs	2.92 kg / 6.43 lbs 2917 g / 28.6 N	17.50 kg / 38.58 lbs ~0 Gs
3 mm	18.18 kg / 40.09 lbs 4 902 Gs	2.73 kg / 6.01 lbs 2727 g / 26.8 N	16.36 kg / 36.08 lbs ~0 Gs
5 mm	15.60 kg / 34.39 lbs 4 541 Gs	2.34 kg / 5.16 lbs 2340 g / 23.0 N	14.04 kg / 30.95 lbs ~0 Gs
10 mm	9.73 kg / 21.46 lbs 3 587 Gs	1.46 kg / 3.22 lbs 1460 g / 14.3 N	8.76 kg / 19.31 lbs ~0 Gs
20 mm	3.10 kg / 6.84 lbs 2 025 Gs	0.47 kg / 1.03 lbs 465 g / 4.6 N	2.79 kg / 6.16 lbs ~0 Gs
50 mm	0.13 kg / 0.28 lbs 409 Gs	0.02 kg / 0.04 lbs 19 g / 0.2 N	0.11 kg / 0.25 lbs ~0 Gs
60 mm	0.05 kg / 0.12 lbs 268 Gs	0.01 kg / 0.02 lbs 8 g / 0.1 N	0.05 kg / 0.11 lbs ~0 Gs
70 mm	0.03 kg / 0.06 lbs 183 Gs	0.00 kg / 0.01 lbs 4 g / 0.0 N	0.02 kg / 0.05 lbs ~0 Gs
80 mm	0.01 kg / 0.03 lbs 131 Gs	0.00 kg / 0.00 lbs 2 g / 0.0 N	0.01 kg / 0.03 lbs ~0 Gs
90 mm	0.01 kg / 0.02 lbs 96 Gs	0.00 kg / 0.00 lbs 1 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
100 mm	0.00 kg / 0.01 lbs 72 Gs	0.00 kg / 0.00 lbs 1 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs

Two magnetic products interact from a significantly greater distance than a magnet and sheet setup. The connection of two magnets produces a massive flux and a further horizon of operation. Want to build a strong closure? Apply two magnets instead of a neodymium and a steel. Remember that when connecting a pair of magnets, the collision energy is extreme. The levitation is slightly lower than the connection force, but still impressive.
*Flux density for N-N configuration reaches ~0 Gs in the exact middle of the gap (caused by magnetic field nullification).
Important: Figures apply to sliding force of a pair of matching magnets (friction coefficient ~0.15 for Ni-Ni coating).

Table 7: Protective zones (implants) - warnings
MW 25x6 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	10.5 cm
Hearing aid	10 Gs (1.0 mT)	8.0 cm
Timepiece	20 Gs (2.0 mT)	6.5 cm
Mobile device	40 Gs (4.0 mT)	5.0 cm
Car key	50 Gs (5.0 mT)	4.5 cm
Payment card	400 Gs (40.0 mT)	2.0 cm
HDD hard drive	600 Gs (60.0 mT)	1.5 cm

A strong magnetic field poses a large risk to IT equipment and medical implants. These magnets produce a flux that destroys function of digital equipment. Notice: the invisible magnetic field penetrates the body and housings. Special caution must be exercised by people with hearing aids and drug dispensers. Also at risk are: automatic timepieces, remotes, speakers, and screens. Avoid contact with magnetic cards, hard drives, or precise measuring instruments.

Table 8: Collisions (kinetic energy) - collision effects
MW 25x6 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	23.60 km/h (6.56 m/s)	0.47 J
30 mm	37.72 km/h (10.48 m/s)	1.21 J
50 mm	48.63 km/h (13.51 m/s)	2.02 J
100 mm	68.77 km/h (19.10 m/s)	4.03 J

Magnetic elements are prone to chipping – a violent impact against metal risks their cracking. Pay attention to connection velocity – a neodymium left loose becomes dangerous. Striking energy can cause material chips or dangerous crushing to skin. Always hold the magnet during mounting so it doesn't slam with momentum against the steel surface. A collision at high speed means shattering of the neodymium. Wear eye protection when playing with powerful specimens.

Table 9: Corrosion resistance
MW 25x6 / 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)

Neodymium magnets are highly susceptible to corrosion without proper protection. Moisture resistance is crucial for installations in bathrooms or outdoors.

Table 10: Electrical data (P_c)
MW 25x6 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	14 740 Mx	147.4 µWb
P_c Coefficient	0.34	Low (Flat)

Flux value passing through the pole surface. Essential parameter in coil applications as well as sensors. The P_c coefficient defines the working geometry.

Table 11: Underwater work (magnet fishing)
MW 25x6 / N38

Environment	Effective steel pull	Effect
Air (land)	10.27 kg	Standard
Water (riverbed)	11.76 kg (+1.49 kg buoyancy gain)	+14.5%

Corrosion warning: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.

In water, the magnet feels stronger thanks to Archimedes' principle. As a result, your magnet will pull a heavier object from the bottom than if you lifted it in the air.

1. Vertical hold

*Warning: On a vertical surface, the magnet retains only approx. 20-30% of its max power.

2. Steel saturation

*Thin metal sheet (e.g. 0.5mm PC case) significantly weakens the holding force.

3. Thermal stability

*For N38 grade, the critical limit is 80°C.

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.34

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.

Engineering data and GPSR

Material specification

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%

Environmental data

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: 010050-2026

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The presented product is an exceptionally strong cylinder magnet, made from durable NdFeB material, which, with dimensions of Ø25x6 mm, guarantees maximum efficiency. The MW 25x6 / N38 model is characterized by high dimensional repeatability and industrial build quality, making it a perfect solution for the most demanding engineers and designers. As a cylindrical magnet with impressive force (approx. 10.27 kg), this product is available off-the-shelf from our European logistics center, ensuring lightning-fast order fulfillment. Furthermore, its Ni-Cu-Ni coating secures it against corrosion in typical operating conditions, ensuring an aesthetic appearance and durability for years.

This model is perfect for building electric motors, advanced Hall effect sensors, and efficient magnetic separators, where maximum induction on a small surface counts. Thanks to the pull force of 100.71 N with a weight of only 22.09 g, this rod is indispensable in miniature devices and wherever every gram matters.

Due to the brittleness of the NdFeB material, we absolutely advise against force-fitting (so-called press-fit), as this risks immediate cracking of this precision component. To ensure stability 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 strong enough for 90% of applications in modeling and machine building, where extreme miniaturization with maximum force is not required. If you need the strongest magnets in the same volume (Ø25x6), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard in continuous sale in our warehouse.

The presented product is a neodymium magnet with precisely defined parameters: diameter 25 mm and height 6 mm. The key parameter here is the lifting capacity amounting to approximately 10.27 kg (force ~100.71 N), which, with such compact dimensions, proves the high grade of the NdFeB material. The product has a [NiCuNi] coating, which secures it against external factors, giving it an aesthetic, silvery shine.

This rod magnet is magnetized axially (along the height of 6 mm), which means that the N and S poles are located on the flat, circular surfaces. Thanks to this, the magnet can be easily glued into a hole and achieve a strong field on the front surface. On request, we can also produce versions magnetized diametrically if your project requires it.

Strengths and weaknesses of Nd₂Fe₁₄B magnets.

Advantages

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

They retain full power for around ten years – the drop is just ~1% (in theory),
They show high resistance to demagnetization induced by external magnetic fields,
A magnet with a smooth silver surface looks better,
Magnetic induction on the working part of the magnet remains impressive,
Due to their durability and thermal resistance, neodymium magnets are capable of operate (depending on the shape) even at high temperatures reaching 230°C or more...
Thanks to modularity in designing and the capacity to modify to client solutions,
Versatile presence in electronics industry – they are utilized in magnetic memories, electric motors, medical equipment, as well as modern systems.
Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications

Cons

Disadvantages of neodymium magnets:

To avoid cracks upon strong impacts, we recommend using special steel holders. Such a solution protects the magnet and simultaneously improves its durability.
We warn that neodymium magnets can lose their strength at high temperatures. To prevent this, we advise our specialized [AH] magnets, which work effectively even at 230°C.
When exposed to humidity, magnets usually rust. For applications outside, it is recommended to use protective magnets, such as those in rubber or plastics, which prevent oxidation and corrosion.
Due to limitations in realizing threads and complex forms in magnets, we propose using casing - magnetic mount.
Potential hazard to health – tiny shards of magnets pose a threat, when accidentally swallowed, which gains importance in the context of child safety. Furthermore, small components of these products can complicate diagnosis medical in case of swallowing.
With large orders the cost of neodymium magnets is economically unviable,

Pull force analysis

Maximum holding power of the magnet – what affects it?

The declared magnet strength refers to the peak performance, obtained under ideal test conditions, specifically:

on a base made of structural steel, perfectly concentrating the magnetic field
whose thickness reaches at least 10 mm
with a plane cleaned and smooth
without any air gap between the magnet and steel
for force applied at a right angle (pull-off, not shear)
in neutral thermal conditions

Lifting capacity in real conditions – factors

In practice, the actual holding force results from several key aspects, presented from crucial:

Space between surfaces – every millimeter of distance (caused e.g. by veneer or unevenness) significantly weakens the magnet efficiency, often by half at just 0.5 mm.
Angle of force application – maximum parameter is reached only during perpendicular pulling. The shear force of the magnet along the surface is standardly many times smaller (approx. 1/5 of the lifting capacity).
Substrate thickness – to utilize 100% power, the steel must be adequately massive. Thin sheet limits the lifting capacity (the magnet "punches through" it).
Plate material – mild steel gives the best results. Alloy steels lower magnetic permeability and holding force.
Smoothness – full contact is obtained only on smooth steel. Rough texture create air cushions, weakening the magnet.
Thermal environment – temperature increase causes a temporary drop of force. It is worth remembering the maximum operating temperature for a given model.

Holding force was tested on a smooth steel plate of 20 mm thickness, when a perpendicular force was applied, however under parallel forces the lifting capacity is smaller. Additionally, even a minimal clearance between the magnet’s surface and the plate lowers the lifting capacity.

Warnings

Shattering risk

Watch out for shards. Magnets can fracture upon uncontrolled impact, launching shards into the air. Eye protection is mandatory.

Safe operation

Handle magnets with awareness. Their huge power can shock even experienced users. Be vigilant and respect their power.

Operating temperature

Keep cool. NdFeB magnets are susceptible to temperature. If you require resistance above 80°C, look for special high-temperature series (H, SH, UH).

Bodily injuries

Danger of trauma: The attraction force is so immense that it can cause blood blisters, pinching, and even bone fractures. Protective gloves are recommended.

Swallowing risk

Always keep magnets away from children. Risk of swallowing is high, and the consequences of magnets clamping inside the body are very dangerous.

Electronic devices

Powerful magnetic fields can corrupt files on payment cards, hard drives, and storage devices. Keep a distance of at least 10 cm.

Nickel coating and allergies

Nickel alert: The Ni-Cu-Ni coating consists of nickel. If redness occurs, immediately stop handling magnets and wear gloves.

Do not drill into magnets

Fire warning: Neodymium dust is highly flammable. Avoid machining magnets in home conditions as this risks ignition.

Danger to pacemakers

Patients with a pacemaker should maintain an large gap from magnets. The magnetism can stop the operation of the implant.

Magnetic interference

GPS units and smartphones are extremely sensitive to magnetism. Direct contact with a strong magnet can decalibrate the internal compass in your phone.

Important! Need more info? Check our post: Why are neodymium magnets dangerous?

MW 25x6 / N38 - cylindrical magnet

Product card - MW 25x6 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Technical modeling of the magnet - technical parameters

Table 1: Static force (force vs gap) - interaction chart MW 25x6 / N38

Table 2: Shear load (vertical surface) MW 25x6 / N38

Table 3: Wall mounting (shearing) - behavior on slippery surfaces MW 25x6 / N38

Table 4: Material efficiency (substrate influence) - power losses MW 25x6 / N38

Table 5: Thermal resistance (stability) - resistance threshold MW 25x6 / N38

Table 6: Two magnets (repulsion) - field collision MW 25x6 / N38

Table 7: Protective zones (implants) - warnings MW 25x6 / N38

Table 8: Collisions (kinetic energy) - collision effects MW 25x6 / N38

Table 9: Corrosion resistance MW 25x6 / N38

Table 10: Electrical data (Pc) MW 25x6 / N38

Table 11: Underwater work (magnet fishing) MW 25x6 / N38

1. Vertical hold

2. Steel saturation

3. Thermal stability

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

Material specification

Environmental data

Magnet pull force

Magnetic Field

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MW 15x3 / N38 - cylindrical magnet

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SM 32x200 [2xM8] / N42 - magnetic separator

Strengths and weaknesses of Nd2Fe14B magnets.

Advantages

Cons

Pull force analysis

Maximum holding power of the magnet – what affects it?

Lifting capacity in real conditions – factors

Warnings

Shattering risk

Safe operation

Operating temperature

Bodily injuries

Swallowing risk

Electronic devices

Nickel coating and allergies

Do not drill into magnets

Danger to pacemakers

Magnetic interference

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static force (force vs gap) - interaction chart
MW 25x6 / N38

Table 2: Shear load (vertical surface)
MW 25x6 / N38

Table 3: Wall mounting (shearing) - behavior on slippery surfaces
MW 25x6 / N38

Table 4: Material efficiency (substrate influence) - power losses
MW 25x6 / N38

Table 5: Thermal resistance (stability) - resistance threshold
MW 25x6 / N38

Table 6: Two magnets (repulsion) - field collision
MW 25x6 / N38

Table 7: Protective zones (implants) - warnings
MW 25x6 / N38

Table 8: Collisions (kinetic energy) - collision effects
MW 25x6 / N38

Table 9: Corrosion resistance
MW 25x6 / N38

Table 10: Electrical data (P_c)
MW 25x6 / N38

Table 11: Underwater work (magnet fishing)
MW 25x6 / N38

Strengths and weaknesses of Nd₂Fe₁₄B magnets.