Product available Ships tomorrow

MW 55x25 / 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: 1-6500
Rating: 5

cylindrical magnet

Catalog no 010081

GTIN/EAN: 5906301810803

5.00

Diameter Ø

55 mm [±0,1 mm]

Height

25 mm [±0,1 mm]

Weight

445.47 g

Magnetization Direction

↑ axial

Load capacity

92.25 kg / 904.94 N

Magnetic Induction

416.97 mT / 4170 Gs

Coating

[NiCuNi] Nickel

technical details »

154.21 ZŁ with VAT / pcs + price for transport

125.37 ZŁ net + 23% VAT / pcs

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Weight as well as structure of a neodymium magnet can be calculated using our online calculation tool.

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Technical details - MW 55x25 / N38 - cylindrical magnet

Specification / characteristics - MW 55x25 / N38 - cylindrical magnet

properties

properties	values
Cat. no.	010081
GTIN/EAN	5906301810803
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	55 mm [±0,1 mm]
Height	25 mm [±0,1 mm]
Weight	445.47 g
Magnetization Direction	↑ axial
Load capacity ~ ?	92.25 kg / 904.94 N
Magnetic Induction ~ ?	416.97 mT / 4170 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 55x25 / 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 values constitute the outcome of a physical analysis. Results were calculated on algorithms for the material Nd₂Fe₁₄B. Real-world performance may differ. Please consider these data as a reference point during assembly planning.

Table 1: Static pull force (pull vs gap) - characteristics
MW 55x25 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg)	Risk Status
0 mm	4169 Gs 416.9 mT	92.25 kg / 92250.0 g 905.0 N	critical level
1 mm	4034 Gs 403.4 mT	86.37 kg / 86369.8 g 847.3 N	critical level
2 mm	3894 Gs 389.4 mT	80.47 kg / 80469.7 g 789.4 N	critical level
3 mm	3751 Gs 375.1 mT	74.67 kg / 74670.6 g 732.5 N	critical level
5 mm	3461 Gs 346.1 mT	63.58 kg / 63580.6 g 623.7 N	critical level
10 mm	2756 Gs 275.6 mT	40.32 kg / 40320.8 g 395.5 N	critical level
15 mm	2140 Gs 214.0 mT	24.31 kg / 24308.3 g 238.5 N	critical level
20 mm	1644 Gs 164.4 mT	14.34 kg / 14338.1 g 140.7 N	critical level
30 mm	975 Gs 97.5 mT	5.05 kg / 5046.0 g 49.5 N	warning
50 mm	388 Gs 38.8 mT	0.80 kg / 801.0 g 7.9 N	safe

Pulling power weakens significantly with every mm of spacing. Keep in mind that even a very thin break (e.g., dirt, paint, veneer) strongly weakens the grip. Neodymiums operate most effectively in perfect adhesion; air break nullifies the power. Notice how flashily the pull force fall, when the product does not adhere directly to the steel surface. When calculating the assembly, avoid redundant distances.

Table 2: Vertical force (wall)
MW 55x25 / N38

Distance (mm)	Friction coefficient	Pull Force (kg)
0 mm	Stal (~0.2)	18.45 kg / 18450.0 g 181.0 N
1 mm	Stal (~0.2)	17.27 kg / 17274.0 g 169.5 N
2 mm	Stal (~0.2)	16.09 kg / 16094.0 g 157.9 N
3 mm	Stal (~0.2)	14.93 kg / 14934.0 g 146.5 N
5 mm	Stal (~0.2)	12.72 kg / 12716.0 g 124.7 N
10 mm	Stal (~0.2)	8.06 kg / 8064.0 g 79.1 N
15 mm	Stal (~0.2)	4.86 kg / 4862.0 g 47.7 N
20 mm	Stal (~0.2)	2.87 kg / 2868.0 g 28.1 N
30 mm	Stal (~0.2)	1.01 kg / 1010.0 g 9.9 N
50 mm	Stal (~0.2)	0.16 kg / 160.0 g 1.6 N

The table below shows the theoretical holding capacity required to start the slippage of the magnet downwards along a vertical metal surface (assuming typical friction). This parameter depends on the air gap between the magnet and the surface.

Table 3: Wall mounting (shearing) - vertical pull
MW 55x25 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg)
Raw steel	µ = 0.3 30% Nominalnej Siły	27.68 kg / 27675.0 g 271.5 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	18.45 kg / 18450.0 g 181.0 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	9.23 kg / 9225.0 g 90.5 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	46.13 kg / 46125.0 g 452.5 N

When mounting a magnet on a vertical surface (e.g., a fridge), it will only hold just approx. 1/5 of its maximum pull force. Gravitational force and a low friction coefficient cause that products slip easier than they pop off the substrate. Want to create a wall mount? Remember that the shear force is noticeably lower than the perpendicular breakaway force. On a slippery surface, the magnet will give way down under a significantly smaller load. Application of an anti-slip coating can significantly improve the result.

Table 4: Steel thickness (saturation) - sheet metal selection
MW 55x25 / N38

Steel thickness (mm)	% power	Real pull force (kg)
0.5 mm	3%	3.08 kg / 3075.0 g 30.2 N
1 mm	8%	7.69 kg / 7687.5 g 75.4 N
2 mm	17%	15.37 kg / 15375.0 g 150.8 N
5 mm	42%	38.44 kg / 38437.5 g 377.1 N
10 mm	83%	76.88 kg / 76875.0 g 754.1 N

A thin metal plate is incapable of conduct the entire magnetic field, which weakens actual performance of the holder. If you mount a strong magnet to a weak sheet, the field will penetrate right through and the attraction force will be weaker. To achieve full efficiency of this neodymium's potential, you require a sufficiently solid backing of steel. The material oversaturation means that on delicate walls (e.g., car bodies), the magnet holds weaker. We suggest choosing the steel cross-section according to the table below.

Table 5: Thermal stability (stability) - power drop
MW 55x25 / N38

Ambient temp. (°C)	Power loss	Remaining pull	Status
20 °C	0.0%	92.25 kg / 92250.0 g 905.0 N	OK
40 °C	-2.2%	90.22 kg / 90220.5 g 885.1 N	OK
60 °C	-4.4%	88.19 kg / 88191.0 g 865.2 N
80 °C	-6.6%	86.16 kg / 86161.5 g 845.2 N
100 °C	-28.8%	65.68 kg / 65682.0 g 644.3 N

Ordinary NdFeB products irreversibly lose parameters after exceeding the maximum temperature. Avoid high temperatures – heat can permanently demagnetize this product. With every degree above norm, the neodymium's capacity briefly lowers. Do not use this product close to ovens higher than its safe range. Too high temperature will result in irreversible degradation of magnetic properties.

*Important note: Heat tolerance depends not only on the material grade, but also on the magnet's shape. Thin magnets (low Pc) are more susceptible to demagnetization under lower heat stress than long magnets. Warning indicator in the table signals a risk of irreversible loss for this specific geometry.

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MW 55x25 / N38

Gap (mm)	Attraction (kg) (N-S)	Repulsion (kg) (N-N)
0 mm	254.60 kg / 254602 g 2497.6 N 5 431 Gs	N/A
1 mm	246.57 kg / 246567 g 2418.8 N 8 206 Gs	221.91 kg / 221911 g 2176.9 N ~0 Gs
2 mm	238.37 kg / 238373 g 2338.4 N 8 068 Gs	214.54 kg / 214536 g 2104.6 N ~0 Gs
3 mm	230.21 kg / 230207 g 2258.3 N 7 929 Gs	207.19 kg / 207186 g 2032.5 N ~0 Gs
5 mm	214.04 kg / 214042 g 2099.8 N 7 645 Gs	192.64 kg / 192638 g 1889.8 N ~0 Gs
10 mm	175.48 kg / 175477 g 1721.4 N 6 923 Gs	157.93 kg / 157929 g 1549.3 N ~0 Gs
20 mm	111.28 kg / 111282 g 1091.7 N 5 513 Gs	100.15 kg / 100154 g 982.5 N ~0 Gs
50 mm	23.33 kg / 23326 g 228.8 N 2 524 Gs	20.99 kg / 20994 g 205.9 N ~0 Gs

Two magnets interact from a wider radius than a neodymium and metal combination. The setup of magnet-to-magnet creates a more powerful interaction and a wider radius of performance. Planning to create a powerful holder? Apply two magnets instead of a neodymium and a steel. Remember that when bringing together two magnets, the pinch force is extreme. The levitation is slightly lower than the connection force, but still significant.
*The magnetic induction in repulsion mode is approximately ~0 Gs in the exact middle of the gap (due to field cancellation).

Table 7: Hazards (electronics) - precautionary measures
MW 55x25 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	27.5 cm
Hearing aid	10 Gs (1.0 mT)	21.5 cm
Mechanical watch	20 Gs (2.0 mT)	17.0 cm
Mobile device	40 Gs (4.0 mT)	13.0 cm
Remote	50 Gs (5.0 mT)	12.0 cm
Payment card	400 Gs (40.0 mT)	5.0 cm
HDD hard drive	600 Gs (60.0 mT)	4.5 cm

Powerful magnet radiation is a large risk to electronic devices and pacemakers. These NdFeB products produce a field that prevents correct functioning of sensitive medical devices. Remember: the unseen radiation passes through tissues and plastic. Exceptional care must be exercised by people with hearing aids and insulin pumps. Also at risk are: automatic timepieces, car keys, speakers, and displays. Do not place the magnet near cards, hard drives, or precise measuring instruments.

Table 8: Impact energy (kinetic energy) - warning
MW 55x25 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	18.05 km/h (5.01 m/s)	5.60 J
30 mm	25.98 km/h (7.22 m/s)	11.60 J
50 mm	32.63 km/h (9.06 m/s)	18.30 J
100 mm	45.90 km/h (12.75 m/s)	36.21 J

Neodymium magnets are delicate – a collision with steel causes immediate chipping. Control the attraction moment – a magnet released freely speeds with massive force. Kinetic force can destroy the magnet or dangerous crushing to skin. Be sure to control the product during bringing near metal so it doesn't hit violently against the steel surface. A contact at a velocity of dozens of km/h almost guarantees destruction of the neodymium. Wear safety glasses when handling with powerful specimens.

Table 9: Surface protection spec
MW 55x25 / 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: Construction data (Flux)
MW 55x25 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	101 075 Mx	1010.7 µWb
P_c Coefficient	0.55	Low (Flat)

Total magnetic flux passing through the magnet pole. Essential parameter for generator designers as well as sensors. The P_c coefficient defines the magnet's operating point.

Table 11: Underwater work (magnet fishing)
MW 55x25 / N38

Environment	Effective steel pull	Effect
Air (land)	92.25 kg	Standard
Water (riverbed)	105.63 kg (+13.38 kg Buoyancy gain)	+14.5%

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

Water displaces steel, making heavy objects slightly lighter. However, remember the water resistance when pulling the rope quickly.

1. Sliding resistance

*Caution: On a vertical surface, the magnet retains just a fraction of its nominal pull.

2. Plate thickness effect

*Thin steel (e.g. 0.5mm PC case) significantly reduces the holding force.

3. Power loss vs temp

*For N38 material, the safety limit is 80°C.

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.55

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.

Engineering data and GPSR

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%

Ecology and recycling (GPSR)

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: 010081-2025

Measurement Calculator

Force (pull)

Force in lbs

Field Strength

Induction (T)

Simply complete a single box, to let the calculator fill in everything else automatically.

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MW 4x6 / N38 - cylindrical magnet

0.381 ZŁ brutto / pcs

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MPL 10x5x1.5 / N38 - lamellar magnet

0.381 ZŁ brutto / pcs

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MW 20x5 / N38 - cylindrical magnet

5.56 ZŁ brutto / pcs

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LM TLN - 15 SQ / N38 - magnetic leviton

450.00 ZŁ brutto / pcs

The presented product is an exceptionally strong cylinder magnet, composed of durable NdFeB material, which, with dimensions of Ø55x25 mm, guarantees maximum efficiency. The MW 55x25 / N38 component boasts high dimensional repeatability and industrial build quality, making it a perfect solution for professional engineers and designers. As a magnetic rod with impressive force (approx. 92.25 kg), this product is available off-the-shelf from our European logistics center, ensuring rapid order fulfillment. Additionally, its triple-layer Ni-Cu-Ni coating effectively protects it against corrosion in typical operating conditions, ensuring an aesthetic appearance and durability for years.

This model is created for building generators, advanced sensors, and efficient magnetic separators, where field concentration on a small surface counts. Thanks to the pull force of 904.94 N with a weight of only 445.47 g, this rod is indispensable in electronics and wherever every gram matters.

Due to the delicate structure of the ceramic sinter, you must not use force-fitting (so-called press-fit), as this risks chipping the coating of this precision component. To ensure long-term durability in industry, specialized industrial adhesives are used, which do not react with the nickel coating and fill the gap, guaranteeing high repeatability of the connection.

Grade N38 is the most popular standard for professional neodymium magnets, offering a great economic balance and operational stability. If you need the strongest magnets in the same volume (Ø55x25), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard available off-the-shelf in our warehouse.

This model is characterized by dimensions Ø55x25 mm, which, at a weight of 445.47 g, makes it an element with impressive magnetic energy density. The value of 904.94 N means that the magnet is capable of holding a weight many times exceeding its own mass of 445.47 g. 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 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 through the diameter if your project requires it.

Pros as well as cons of Nd₂Fe₁₄B magnets.

Strengths

Apart from their strong power, neodymium magnets have these key benefits:

Their strength is durable, and after approximately ten years it decreases only by ~1% (according to research),
They possess excellent resistance to weakening of magnetic properties due to external fields,
Thanks to the metallic finish, the plating of nickel, gold, or silver-plated gives an aesthetic appearance,
Magnets are distinguished by maximum magnetic induction on the surface,
Neodymium magnets are characterized by very high magnetic induction on the magnet surface and are able to act (depending on the shape) even at a temperature of 230°C or more...
Thanks to the ability of accurate forming and adaptation to individualized projects, neodymium magnets can be manufactured in a wide range of shapes and sizes, which expands the range of possible applications,
Key role in modern industrial fields – they are used in HDD drives, motor assemblies, medical devices, and modern systems.
Relatively small size with high pulling force – neodymium magnets offer impressive pulling force in tiny dimensions, which makes them useful in small systems

Disadvantages

Disadvantages of neodymium magnets:

At strong impacts they can crack, therefore we advise placing them in strong housings. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
When exposed to high temperature, neodymium magnets suffer a drop in strength. Often, when the temperature exceeds 80°C, their power decreases (depending on the size, as well as shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
When exposed to humidity, magnets start to rust. To use them in conditions outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which secure oxidation as well as corrosion.
Limited ability of creating nuts in the magnet and complex forms - preferred is cover - mounting mechanism.
Possible danger to health – tiny shards of magnets pose a threat, when accidentally swallowed, which becomes key in the context of child safety. It is also worth noting that tiny parts of these devices can complicate diagnosis medical after entering the body.
With large orders the cost of neodymium magnets is a challenge,

Pull force analysis

Maximum holding power of the magnet – what contributes to it?

The lifting capacity listed is a measurement result executed under the following configuration:

using a sheet made of low-carbon steel, functioning as a circuit closing element
whose thickness is min. 10 mm
with an ground contact surface
under conditions of ideal adhesion (metal-to-metal)
under axial force direction (90-degree angle)
in neutral thermal conditions

Key elements affecting lifting force

It is worth knowing that the magnet holding may be lower subject to elements below, in order of importance:

Clearance – existence of any layer (paint, tape, air) acts as an insulator, which reduces power rapidly (even by 50% at 0.5 mm).
Direction of force – maximum parameter is reached only during pulling at a 90° angle. The force required to slide of the magnet along the surface is standardly many times smaller (approx. 1/5 of the lifting capacity).
Base massiveness – too thin plate does not close the flux, causing part of the power to be escaped to the other side.
Steel grade – the best choice is high-permeability steel. Cast iron may generate lower lifting capacity.
Surface condition – smooth surfaces ensure maximum contact, which increases field saturation. Uneven metal weaken the grip.
Thermal conditions – NdFeB sinters have a negative temperature coefficient. At higher temperatures they are weaker, and at low temperatures gain strength (up to a certain limit).

Holding force was measured on the plate surface of 20 mm thickness, when the force acted perpendicularly, in contrast under attempts to slide the magnet the holding force is lower. Additionally, even a slight gap between the magnet and the plate lowers the holding force.

H&S for magnets

Keep away from children

Always keep magnets out of reach of children. Ingestion danger is high, and the effects of magnets connecting inside the body are fatal.

Allergy Warning

Allergy Notice: The Ni-Cu-Ni coating consists of nickel. If redness happens, immediately stop handling magnets and wear gloves.

Medical interference

For implant holders: Strong magnetic fields disrupt medical devices. Maintain minimum 30 cm distance or request help to handle the magnets.

Caution required

Before use, read the rules. Sudden snapping can destroy the magnet or injure your hand. Think ahead.

Keep away from computers

Very strong magnetic fields can corrupt files on credit cards, hard drives, and other magnetic media. Maintain a gap of at least 10 cm.

Magnets are brittle

Neodymium magnets are ceramic materials, meaning they are prone to chipping. Collision of two magnets will cause them breaking into shards.

Bodily injuries

Watch your fingers. Two powerful magnets will snap together instantly with a force of massive weight, crushing everything in their path. Exercise extreme caution!

Demagnetization risk

Avoid heat. Neodymium magnets are sensitive to temperature. If you require resistance above 80°C, ask us about HT versions (H, SH, UH).

Precision electronics

An intense magnetic field negatively affects the operation of compasses in smartphones and navigation systems. Keep magnets close to a smartphone to avoid damaging the sensors.

Dust explosion hazard

Drilling and cutting of neodymium magnets poses a fire risk. Magnetic powder reacts violently with oxygen and is difficult to extinguish.

Caution! Looking for details? Read our article: Why are neodymium magnets dangerous?

MW 55x25 / N38 - cylindrical magnet

Technical details - MW 55x25 / 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 pull force (pull vs gap) - characteristics MW 55x25 / N38

Table 2: Vertical force (wall) MW 55x25 / N38

Table 3: Wall mounting (shearing) - vertical pull MW 55x25 / N38

Table 4: Steel thickness (saturation) - sheet metal selection MW 55x25 / N38

Table 5: Thermal stability (stability) - power drop MW 55x25 / N38

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system MW 55x25 / N38

Table 7: Hazards (electronics) - precautionary measures MW 55x25 / N38

Table 8: Impact energy (kinetic energy) - warning MW 55x25 / N38

Table 9: Surface protection spec MW 55x25 / N38

Table 10: Construction data (Flux) MW 55x25 / N38

Table 11: Underwater work (magnet fishing) MW 55x25 / N38

1. Sliding resistance

2. Plate thickness effect

3. Power loss vs temp

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

Chemical composition

Ecology and recycling (GPSR)

Force (pull)

Field Strength

Other proposals

MW 4x6 / N38 - cylindrical magnet

MPL 10x5x1.5 / N38 - lamellar magnet

MW 20x5 / N38 - cylindrical magnet

LM TLN - 15 SQ / N38 - magnetic leviton

Pros as well as cons of Nd2Fe14B magnets.

Strengths

Disadvantages

Pull force analysis

Maximum holding power of the magnet – what contributes to it?

Key elements affecting lifting force

H&S for magnets

Keep away from children

Allergy Warning

Medical interference

Caution required

Keep away from computers

Magnets are brittle

Bodily injuries

Demagnetization risk

Precision electronics

Dust explosion hazard

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static pull force (pull vs gap) - characteristics
MW 55x25 / N38

Table 2: Vertical force (wall)
MW 55x25 / N38

Table 3: Wall mounting (shearing) - vertical pull
MW 55x25 / N38

Table 4: Steel thickness (saturation) - sheet metal selection
MW 55x25 / N38

Table 5: Thermal stability (stability) - power drop
MW 55x25 / N38

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MW 55x25 / N38

Table 7: Hazards (electronics) - precautionary measures
MW 55x25 / N38

Table 8: Impact energy (kinetic energy) - warning
MW 55x25 / N38

Table 9: Surface protection spec
MW 55x25 / N38

Table 10: Construction data (Flux)
MW 55x25 / N38

Table 11: Underwater work (magnet fishing)
MW 55x25 / N38

Pros as well as cons of Nd₂Fe₁₄B magnets.