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MPL 50x20x5 / N38 - lamellar 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

lamellar magnet

Catalog no 020473

GTIN/EAN: 5906301811930

5.00

length

50 mm [±0,1 mm]

Width

20 mm [±0,1 mm]

Height

5 mm [±0,1 mm]

Weight

37.5 g

Magnetization Direction

↑ axial

Load capacity

12.69 kg / 124.48 N

Magnetic Induction

197.73 mT / 1977 Gs

Coating

[NiCuNi] Nickel

see technical data »

14.56 ZŁ with VAT / pcs + price for transport

11.84 ZŁ net + 23% VAT / pcs

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Technical details - MPL 50x20x5 / N38 - lamellar magnet

Specification / characteristics - MPL 50x20x5 / N38 - lamellar magnet

properties

properties	values
Cat. no.	020473
GTIN/EAN	5906301811930
Production/Distribution	Dhit sp. z o.o. ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin	Poland / China / Germany
Customs code	85059029
length	50 mm [±0,1 mm]
Width	20 mm [±0,1 mm]
Height	5 mm [±0,1 mm]
Weight	37.5 g
Magnetization Direction	↑ axial
Load capacity ~ ?	12.69 kg / 124.48 N
Magnetic Induction ~ ?	197.73 mT / 1977 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 50x20x5 / N38 - lamellar 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

Engineering analysis of the product - technical parameters

These values represent the direct effect of a mathematical analysis. Results are based on models for the class Nd₂Fe₁₄B. Actual parameters may deviate from the simulation results. Use these calculations as a preliminary roadmap during assembly planning.

Table 1: Static pull force (pull vs gap) - characteristics
MPL 50x20x5 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	1977 Gs 197.7 mT	12.69 kg / 27.98 pounds 12690.0 g / 124.5 N	crushing
1 mm	1885 Gs 188.5 mT	11.53 kg / 25.42 pounds 11530.3 g / 113.1 N	crushing
2 mm	1772 Gs 177.2 mT	10.20 kg / 22.49 pounds 10199.9 g / 100.1 N	crushing
3 mm	1649 Gs 164.9 mT	8.83 kg / 19.47 pounds 8831.3 g / 86.6 N	medium risk
5 mm	1395 Gs 139.5 mT	6.32 kg / 13.93 pounds 6320.3 g / 62.0 N	medium risk
10 mm	870 Gs 87.0 mT	2.46 kg / 5.42 pounds 2459.4 g / 24.1 N	medium risk
15 mm	549 Gs 54.9 mT	0.98 kg / 2.15 pounds 976.9 g / 9.6 N	low risk
20 mm	359 Gs 35.9 mT	0.42 kg / 0.92 pounds 418.9 g / 4.1 N	low risk
30 mm	172 Gs 17.2 mT	0.10 kg / 0.21 pounds 95.7 g / 0.9 N	low risk
50 mm	54 Gs 5.4 mT	0.01 kg / 0.02 pounds 9.5 g / 0.1 N	low risk

Grip strength decreases significantly with every subsequent millimeter of spacing. Note that even a very thin break (e.g., dirt, paint, rust) noticeably weakens the grip. Neodymiums hold optimally during direct contact; gap kills the power. Observe how flashily the pull force fall, when the magnet does not touch flatly to the steel surface. When designing the assembly, avoid additional spacers.

Table 2: Slippage force (vertical surface)
MPL 50x20x5 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	2.54 kg / 5.60 pounds 2538.0 g / 24.9 N
1 mm	Stal (~0.2)	2.31 kg / 5.08 pounds 2306.0 g / 22.6 N
2 mm	Stal (~0.2)	2.04 kg / 4.50 pounds 2040.0 g / 20.0 N
3 mm	Stal (~0.2)	1.77 kg / 3.89 pounds 1766.0 g / 17.3 N
5 mm	Stal (~0.2)	1.26 kg / 2.79 pounds 1264.0 g / 12.4 N
10 mm	Stal (~0.2)	0.49 kg / 1.08 pounds 492.0 g / 4.8 N
15 mm	Stal (~0.2)	0.20 kg / 0.43 pounds 196.0 g / 1.9 N
20 mm	Stal (~0.2)	0.08 kg / 0.19 pounds 84.0 g / 0.8 N
30 mm	Stal (~0.2)	0.02 kg / 0.04 pounds 20.0 g / 0.2 N
50 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 2.0 g / 0.0 N

The table below indicates the theoretical weight limit necessary to initiate the sliding of the magnet vertically against a upright metal surface (assuming typical friction). This parameter varies with the air gap between the magnet and the metal.

Table 3: Wall mounting (sliding) - vertical pull
MPL 50x20x5 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	3.81 kg / 8.39 pounds 3807.0 g / 37.3 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	2.54 kg / 5.60 pounds 2538.0 g / 24.9 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	1.27 kg / 2.80 pounds 1269.0 g / 12.4 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	6.35 kg / 13.99 pounds 6345.0 g / 62.2 N

When hanging a magnet on a upright surface (e.g., a board), it you can count on just about 1/5 of its nominal power. Gravity as well as a weak degree of grip cause that magnets slip faster than they pop off the substrate. Designing a vertical fastening? Remember that the sliding force is much weaker than the maximum static pull force. On a smooth steel, the element will slip down under a noticeably lighter load. Application of an anti-slip layer can drastically improve the result.

Table 4: Steel thickness (saturation) - sheet metal selection
MPL 50x20x5 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	5%	0.63 kg / 1.40 pounds 634.5 g / 6.2 N
1 mm	13%	1.59 kg / 3.50 pounds 1586.3 g / 15.6 N
2 mm	25%	3.17 kg / 6.99 pounds 3172.5 g / 31.1 N
3 mm	38%	4.76 kg / 10.49 pounds 4758.8 g / 46.7 N
5 mm	63%	7.93 kg / 17.49 pounds 7931.2 g / 77.8 N
10 mm	100%	12.69 kg / 27.98 pounds 12690.0 g / 124.5 N
11 mm	100%	12.69 kg / 27.98 pounds 12690.0 g / 124.5 N
12 mm	100%	12.69 kg / 27.98 pounds 12690.0 g / 124.5 N

A thin sheet is unable to conduct the entire magnetic field, which wastes potential of the holder. Should you attach a powerful product to a thin surface, the flux will pass right through and the pull force will drop sharply. To achieve the maximum of this magnet's potential, you need a suitably thick piece of steel. The material oversaturation causes that on thin elements (e.g., thin profiles), the product shows lower pull force. We advise picking the steel thickness according to the table below.

Table 5: Thermal resistance (material behavior) - resistance threshold
MPL 50x20x5 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	12.69 kg / 27.98 pounds 12690.0 g / 124.5 N	OK
40 °C	-2.2%	12.41 kg / 27.36 pounds 12410.8 g / 121.8 N	OK
60 °C	-4.4%	12.13 kg / 26.75 pounds 12131.6 g / 119.0 N
80 °C	-6.6%	11.85 kg / 26.13 pounds 11852.5 g / 116.3 N
100 °C	-28.8%	9.04 kg / 19.92 pounds 9035.3 g / 88.6 N

Ordinary NdFeB products lose power past the thermal threshold. Protect against heat – heat can irreversibly destroy this magnet. As the temperature rises, the neodymium's force momentarily lowers. Refrain from using this magnet close to heaters higher than its safe range. Too high temperature will cause permanent loss of magnetism.

*Technical advisory: Heat tolerance is determined by both grade, and the Permeance Coefficient Pc. Thin magnets (low Pc) may lose charge permanently under lower heat stress than long magnets. Warning indicator in the table points to permanent field degradation for this particular item.

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MPL 50x20x5 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Shear Strength (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	24.10 kg / 53.12 pounds 3 371 Gs	3.61 kg / 7.97 pounds 3614 g / 35.5 N	N/A
1 mm	23.06 kg / 50.84 pounds 3 868 Gs	3.46 kg / 7.63 pounds 3459 g / 33.9 N	20.75 kg / 45.75 pounds ~0 Gs
2 mm	21.89 kg / 48.27 pounds 3 769 Gs	3.28 kg / 7.24 pounds 3284 g / 32.2 N	19.71 kg / 43.44 pounds ~0 Gs
3 mm	20.65 kg / 45.53 pounds 3 661 Gs	3.10 kg / 6.83 pounds 3098 g / 30.4 N	18.59 kg / 40.98 pounds ~0 Gs
5 mm	18.07 kg / 39.83 pounds 3 424 Gs	2.71 kg / 5.97 pounds 2710 g / 26.6 N	16.26 kg / 35.84 pounds ~0 Gs
10 mm	12.00 kg / 26.46 pounds 2 790 Gs	1.80 kg / 3.97 pounds 1800 g / 17.7 N	10.80 kg / 23.81 pounds ~0 Gs
20 mm	4.67 kg / 10.30 pounds 1 741 Gs	0.70 kg / 1.54 pounds 701 g / 6.9 N	4.20 kg / 9.27 pounds ~0 Gs
50 mm	0.37 kg / 0.81 pounds 488 Gs	0.06 kg / 0.12 pounds 55 g / 0.5 N	0.33 kg / 0.73 pounds ~0 Gs
60 mm	0.18 kg / 0.40 pounds 343 Gs	0.03 kg / 0.06 pounds 27 g / 0.3 N	0.16 kg / 0.36 pounds ~0 Gs
70 mm	0.10 kg / 0.21 pounds 248 Gs	0.01 kg / 0.03 pounds 14 g / 0.1 N	0.09 kg / 0.19 pounds ~0 Gs
80 mm	0.05 kg / 0.12 pounds 184 Gs	0.01 kg / 0.02 pounds 8 g / 0.1 N	0.05 kg / 0.10 pounds ~0 Gs
90 mm	0.03 kg / 0.07 pounds 140 Gs	0.00 kg / 0.01 pounds 5 g / 0.0 N	0.03 kg / 0.06 pounds ~0 Gs
100 mm	0.02 kg / 0.04 pounds 108 Gs	0.00 kg / 0.01 pounds 3 g / 0.0 N	0.02 kg / 0.04 pounds ~0 Gs

Two magnets attract each other from a much further distance than a magnet and sheet combination. The connection of magnet-to-magnet produces a massive flux and a larger range of performance. Want to build a powerful holder? Use a pair of magnets instead of one magnet and a steel. Exercise caution that when bringing together two magnets, the impact force is extreme. The repulsion force is marginally weaker than the attraction, but still impressive.
*The magnetic induction for N-N configuration drops to ~0 Gs at the geometric center between the magnets (resulting from vector opposition).
Important: Figures refer to shear force of a pair of identical magnets (friction coefficient ~0.15 for Ni-Ni plating).

Table 7: Hazards (implants) - warnings
MPL 50x20x5 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	12.5 cm
Hearing aid	10 Gs (1.0 mT)	9.5 cm
Mechanical watch	20 Gs (2.0 mT)	7.5 cm
Mobile device	40 Gs (4.0 mT)	6.0 cm
Car key	50 Gs (5.0 mT)	5.5 cm
Payment card	400 Gs (40.0 mT)	2.0 cm
HDD hard drive	600 Gs (60.0 mT)	1.5 cm

Extremely neodym field is a serious hazard to IT equipment as well as medical implants. These magnets produce a flux that disrupts operation of digital equipment. Be aware: the unseen radiation passes through tissues and glass. Increased vigilance must be exercised by people with hearing aids and insulin pumps. The risk also applies to: mechanical watches, remotes, membranes, and displays. Avoid contact with magnetic cards, HDD media, or precise measuring instruments.

Table 8: Collisions (kinetic energy) - warning
MPL 50x20x5 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	20.68 km/h (5.74 m/s)	0.62 J
30 mm	32.28 km/h (8.97 m/s)	1.51 J
50 mm	41.50 km/h (11.53 m/s)	2.49 J
100 mm	58.67 km/h (16.30 m/s)	4.98 J

NdFeB products are delicate – a collision with steel can result in shattering. Pay attention to connection velocity – a magnet released freely speeds with massive force. Striking energy can cause material chips or painful pinches to fingers. Hold the magnet firmly during mounting 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 powerful specimens.

Table 9: Coating parameters (durability)
MPL 50x20x5 / 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. Moisture resistance is crucial for installations in bathrooms or outdoors.

Table 10: Electrical data (P_c)
MPL 50x20x5 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	20 792 Mx	207.9 µWb
P_c Coefficient	0.21	Low (Flat)

Flux value emitted by the magnet pole. Essential parameter for generator designers and motors. P_c value determines the working geometry.

Table 11: Underwater work (magnet fishing)
MPL 50x20x5 / N38

Environment	Effective steel pull	Effect
Air (land)	12.69 kg	Standard
Water (riverbed)	14.53 kg (+1.84 kg buoyancy gain)	+14.5%

Corrosion warning: This magnet has a standard nickel coating. After use in water, it must be dried and maintained immediately, otherwise it will rust!

The magnetic field penetrates through water without any losses. Note: for permanent underwater work, we recommend magnets with an anti-corrosive (epoxy) coating.

1. Shear force

*Note: On a vertical wall, the magnet holds only ~20% of its nominal pull.

2. Efficiency vs thickness

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

3. Heat tolerance

*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) = 0.21

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

Elemental analysis

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: 020473-2026

Measurement Calculator

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Kilograms (kg)

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Component MPL 50x20x5 / N38 features a low profile and industrial pulling force, making it a perfect solution for building separators and machines. As a block magnet with high power (approx. 12.69 kg), this product is available off-the-shelf from our warehouse in Poland. Furthermore, its Ni-Cu-Ni coating protects it against corrosion in standard operating conditions, giving it an aesthetic appearance.

The key to success is sliding the magnets along their largest connection plane (using e.g., the edge of a table), which is easier than trying to tear them apart directly. Watch your fingers! Magnets with a force of 12.69 kg can pinch very hard and cause hematomas. Using a screwdriver risks destroying the coating and permanently cracking the magnet.

They constitute a key element in the production of wind generators and material handling systems. They work great as fasteners under tiles, wood, or glass. Customers often choose this model for workshop organization on strips and for advanced DIY and modeling projects, where precision and power count.

For mounting flat magnets MPL 50x20x5 / N38, we recommend utilizing two-component adhesives (e.g., UHU Endfest, Distal), which ensure a durable bond with metal or plastic. Double-sided tape cushions vibrations, which is an advantage when mounting in moving elements. Avoid chemically aggressive glues or hot glue, which can demagnetize neodymium (above 80°C).

Standardly, the MPL 50x20x5 / N38 model is magnetized axially (dimension 5 mm), which means that the N and S poles are located on its largest, flat surfaces. In practice, this means that this magnet has the greatest attraction force on its main planes (50x20 mm), which is ideal for flat mounting. Such a pole arrangement ensures maximum holding capacity when pressing against the sheet, creating a closed magnetic circuit.

This model is characterized by dimensions 50x20x5 mm, which, at a weight of 37.5 g, makes it an element with impressive energy density. The key parameter here is the lifting capacity amounting to approximately 12.69 kg (force ~124.48 N), which, with such a compact shape, proves the high grade of the material. The product meets the standards for N38 grade magnets.

Strengths and weaknesses of neodymium magnets.

Advantages

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

They virtually do not lose power, because even after 10 years the performance loss is only ~1% (in laboratory conditions),
Neodymium magnets are highly resistant to magnetic field loss caused by external interference,
The use of an aesthetic layer of noble metals (nickel, gold, silver) causes the element to look better,
Neodymium magnets achieve maximum magnetic induction on a small area, which allows for strong attraction,
Through (adequate) combination of ingredients, they can achieve high thermal resistance, allowing for functioning at temperatures reaching 230°C and above...
Possibility of precise forming as well as modifying to complex conditions,
Versatile presence in high-tech industry – they are used in mass storage devices, electric drive systems, medical equipment, as well as modern systems.
Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in tiny dimensions, which enables their usage in compact constructions

Weaknesses

Characteristics of disadvantages of neodymium magnets and ways of using them

They are prone to damage upon heavy impacts. To avoid cracks, it is worth protecting magnets using a steel holder. Such protection not only protects the magnet but also improves its resistance to damage
NdFeB magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop of power (a factor is the shape and dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are very resistant to heat
When exposed to humidity, magnets usually rust. To use them in conditions outside, it is recommended to use protective magnets, such as those in rubber or plastics, which secure oxidation as well as corrosion.
Limited ability of producing nuts in the magnet and complicated shapes - preferred is cover - mounting mechanism.
Potential hazard resulting from small fragments of magnets can be dangerous, when accidentally swallowed, which becomes key in the context of child safety. It is also worth noting that tiny parts of these devices are able to be problematic in diagnostics medical when they are in the body.
With budget limitations the cost of neodymium magnets is economically unviable,

Pull force analysis

Optimal lifting capacity of a neodymium magnet – what contributes to it?

Information about lifting capacity was defined for ideal contact conditions, assuming:

with the application of a yoke made of low-carbon steel, guaranteeing maximum field concentration
whose thickness equals approx. 10 mm
with a surface free of scratches
under conditions of no distance (metal-to-metal)
for force applied at a right angle (in the magnet axis)
at room temperature

Lifting capacity in practice – influencing factors

It is worth knowing that the magnet holding may be lower subject to the following factors, starting with the most relevant:

Distance (between the magnet and the metal), since even a tiny distance (e.g. 0.5 mm) results in a reduction in lifting capacity by up to 50% (this also applies to varnish, rust or debris).
Force direction – catalog parameter refers to pulling vertically. When attempting to slide, the magnet holds significantly lower power (typically approx. 20-30% of maximum force).
Wall thickness – thin material does not allow full use of the magnet. Part of the magnetic field penetrates through instead of generating force.
Chemical composition of the base – low-carbon steel gives the best results. Higher carbon content lower magnetic properties and lifting capacity.
Smoothness – ideal contact is obtained only on smooth steel. Rough texture create air cushions, weakening the magnet.
Thermal factor – high temperature weakens pulling force. Too high temperature can permanently demagnetize the magnet.

Lifting capacity testing was carried out on a smooth plate of optimal thickness, under a perpendicular pulling force, however under attempts to slide the magnet the load capacity is reduced by as much as 75%. Additionally, even a small distance between the magnet’s surface and the plate lowers the holding force.

Warnings

No play value

These products are not intended for children. Accidental ingestion of a few magnets may result in them connecting inside the digestive tract, which constitutes a direct threat to life and requires urgent medical intervention.

Handling guide

Handle magnets consciously. Their immense force can shock even professionals. Plan your moves and do not underestimate their force.

Protect data

Very strong magnetic fields can destroy records on credit cards, hard drives, and other magnetic media. Keep a distance of at least 10 cm.

Bodily injuries

Big blocks can smash fingers in a fraction of a second. Never place your hand betwixt two strong magnets.

Machining danger

Dust generated during machining of magnets is flammable. Do not drill into magnets unless you are an expert.

Eye protection

Protect your eyes. Magnets can explode upon violent connection, launching sharp fragments into the air. We recommend safety glasses.

Compass and GPS

A powerful magnetic field negatively affects the operation of compasses in smartphones and navigation systems. Maintain magnets close to a smartphone to avoid breaking the sensors.

Allergic reactions

Nickel alert: The nickel-copper-nickel coating contains nickel. If redness appears, cease handling magnets and use protective gear.

Warning for heart patients

Health Alert: Strong magnets can turn off pacemakers and defibrillators. Stay away if you have electronic implants.

Thermal limits

Avoid heat. Neodymium magnets are susceptible to heat. If you need resistance above 80°C, look for HT versions (H, SH, UH).

Warning! Want to know more? Read our article: Why are neodymium magnets dangerous?

MPL 50x20x5 / N38 - lamellar magnet

Technical details - MPL 50x20x5 / N38 - lamellar magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Engineering analysis of the product - technical parameters

Table 1: Static pull force (pull vs gap) - characteristics MPL 50x20x5 / N38

Table 2: Slippage force (vertical surface) MPL 50x20x5 / N38

Table 3: Wall mounting (sliding) - vertical pull MPL 50x20x5 / N38

Table 4: Steel thickness (saturation) - sheet metal selection MPL 50x20x5 / N38

Table 5: Thermal resistance (material behavior) - resistance threshold MPL 50x20x5 / N38

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system MPL 50x20x5 / N38

Table 7: Hazards (implants) - warnings MPL 50x20x5 / N38

Table 8: Collisions (kinetic energy) - warning MPL 50x20x5 / N38

Table 9: Coating parameters (durability) MPL 50x20x5 / N38

Table 10: Electrical data (Pc) MPL 50x20x5 / N38

Table 11: Underwater work (magnet fishing) MPL 50x20x5 / N38

1. Shear force

2. Efficiency vs thickness

3. Heat tolerance

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

Elemental analysis

Sustainability

Force (pull)

Field Strength

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Strengths and weaknesses of neodymium magnets.

Advantages

Weaknesses

Pull force analysis

Optimal lifting capacity of a neodymium magnet – what contributes to it?

Lifting capacity in practice – influencing factors

Warnings

No play value

Handling guide

Protect data

Bodily injuries

Machining danger

Eye protection

Compass and GPS

Allergic reactions

Warning for heart patients

Thermal limits

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static pull force (pull vs gap) - characteristics
MPL 50x20x5 / N38

Table 2: Slippage force (vertical surface)
MPL 50x20x5 / N38

Table 3: Wall mounting (sliding) - vertical pull
MPL 50x20x5 / N38

Table 4: Steel thickness (saturation) - sheet metal selection
MPL 50x20x5 / N38

Table 5: Thermal resistance (material behavior) - resistance threshold
MPL 50x20x5 / N38

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MPL 50x20x5 / N38

Table 7: Hazards (implants) - warnings
MPL 50x20x5 / N38

Table 8: Collisions (kinetic energy) - warning
MPL 50x20x5 / N38

Table 9: Coating parameters (durability)
MPL 50x20x5 / N38

Table 10: Electrical data (P_c)
MPL 50x20x5 / N38

Table 11: Underwater work (magnet fishing)
MPL 50x20x5 / N38