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MP 20x8x5 / N38 - ring 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

ring magnet

Catalog no 030188

GTIN/EAN: 5906301812050

5.00

Diameter

20 mm [±0,1 mm]

internal diameter Ø

8 mm [±0,1 mm]

Height

5 mm [±0,1 mm]

Weight

9.9 g

Magnetization Direction

↑ axial

Load capacity

5.82 kg / 57.06 N

Magnetic Induction

277.16 mT / 2772 Gs

Coating

[NiCuNi] Nickel

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3.80 ZŁ with VAT / pcs + price for transport

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Technical - MP 20x8x5 / N38 - ring magnet

Specification / characteristics - MP 20x8x5 / N38 - ring magnet

properties

properties	values
Cat. no.	030188
GTIN/EAN	5906301812050
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	20 mm [±0,1 mm]
internal diameter Ø	8 mm [±0,1 mm]
Height	5 mm [±0,1 mm]
Weight	9.9 g
Magnetization Direction	↑ axial
Load capacity ~ ?	5.82 kg / 57.06 N
Magnetic Induction ~ ?	277.16 mT / 2772 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MP 20x8x5 / N38 - ring 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 - data

Presented information are the result of a engineering calculation. Values were calculated on algorithms for the class Nd₂Fe₁₄B. Operational parameters may differ. Use these calculations as a reference point during assembly planning.

Table 1: Static force (force vs distance) - characteristics
MP 20x8x5 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	5917 Gs 591.7 mT	5.82 kg / 12.83 pounds 5820.0 g / 57.1 N	strong
1 mm	5321 Gs 532.1 mT	4.71 kg / 10.38 pounds 4707.4 g / 46.2 N	strong
2 mm	4736 Gs 473.6 mT	3.73 kg / 8.22 pounds 3729.5 g / 36.6 N	strong
3 mm	4184 Gs 418.4 mT	2.91 kg / 6.42 pounds 2910.0 g / 28.5 N	strong
5 mm	3216 Gs 321.6 mT	1.72 kg / 3.79 pounds 1719.3 g / 16.9 N	safe
10 mm	1650 Gs 165.0 mT	0.45 kg / 1.00 pounds 452.4 g / 4.4 N	safe
15 mm	907 Gs 90.7 mT	0.14 kg / 0.30 pounds 136.8 g / 1.3 N	safe
20 mm	544 Gs 54.4 mT	0.05 kg / 0.11 pounds 49.2 g / 0.5 N	safe
30 mm	240 Gs 24.0 mT	0.01 kg / 0.02 pounds 9.6 g / 0.1 N	safe
50 mm	75 Gs 7.5 mT	0.00 kg / 0.00 pounds 0.9 g / 0.0 N	safe

Grip strength weakens significantly with every subsequent millimeter of distance. Remember that even the smallest gap (e.g., dirt, varnish, rust) noticeably weakens the grip. Magnets work strongest in perfect adhesion; distance kills the power. Analyze how quickly the pull force plummet, when the magnet does not adhere tightly to the steel surface. When calculating the assembly, discard additional spacers.

Table 2: Slippage load (vertical surface)
MP 20x8x5 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	1.16 kg / 2.57 pounds 1164.0 g / 11.4 N
1 mm	Stal (~0.2)	0.94 kg / 2.08 pounds 942.0 g / 9.2 N
2 mm	Stal (~0.2)	0.75 kg / 1.64 pounds 746.0 g / 7.3 N
3 mm	Stal (~0.2)	0.58 kg / 1.28 pounds 582.0 g / 5.7 N
5 mm	Stal (~0.2)	0.34 kg / 0.76 pounds 344.0 g / 3.4 N
10 mm	Stal (~0.2)	0.09 kg / 0.20 pounds 90.0 g / 0.9 N
15 mm	Stal (~0.2)	0.03 kg / 0.06 pounds 28.0 g / 0.3 N
20 mm	Stal (~0.2)	0.01 kg / 0.02 pounds 10.0 g / 0.1 N
30 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 2.0 g / 0.0 N
50 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 0.0 g / 0.0 N

The following data presents the estimated force required to initiate the shifting of the magnet vertically against a upright steel plate (assuming standard friction). This value varies with the distance between the magnet and the metal.

Table 3: Vertical assembly (sliding) - behavior on slippery surfaces
MP 20x8x5 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	1.75 kg / 3.85 pounds 1746.0 g / 17.1 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	1.16 kg / 2.57 pounds 1164.0 g / 11.4 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.58 kg / 1.28 pounds 582.0 g / 5.7 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	2.91 kg / 6.42 pounds 2910.0 g / 28.5 N

When mounting a element on a upright wall (e.g., a fridge), it will only hold only about 20%-30% of its nominal power. Gravitational force as well as a low friction coefficient influence the fact that magnets slip faster than they detach. Planning a wall mount? Remember that the shear force is noticeably lower than the maximum static pull force. On a painted metal, the element will give way down under a much lighter load. Using a rubber coating can drastically raise the stability.

Table 4: Material efficiency (saturation) - sheet metal selection
MP 20x8x5 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	10%	0.58 kg / 1.28 pounds 582.0 g / 5.7 N
1 mm	25%	1.46 kg / 3.21 pounds 1455.0 g / 14.3 N
2 mm	50%	2.91 kg / 6.42 pounds 2910.0 g / 28.5 N
3 mm	75%	4.37 kg / 9.62 pounds 4365.0 g / 42.8 N
5 mm	100%	5.82 kg / 12.83 pounds 5820.0 g / 57.1 N
10 mm	100%	5.82 kg / 12.83 pounds 5820.0 g / 57.1 N
11 mm	100%	5.82 kg / 12.83 pounds 5820.0 g / 57.1 N
12 mm	100%	5.82 kg / 12.83 pounds 5820.0 g / 57.1 N

A too thin steel is not enough to conduct the entire magnetic field, which squanders power of the magnet. If you mount a strong magnet to a too thin substrate, the magnetism will penetrate right through and the attraction force will be weaker. To squeeze the maximum of this magnet's power, you require a sufficiently solid piece of steel. The saturation effect means that on thin elements (e.g., thin profiles), the product holds weaker. We suggest choosing the steel cross-section based on the following data.

Table 5: Working in heat (material behavior) - power drop
MP 20x8x5 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	5.82 kg / 12.83 pounds 5820.0 g / 57.1 N	OK
40 °C	-2.2%	5.69 kg / 12.55 pounds 5692.0 g / 55.8 N	OK
60 °C	-4.4%	5.56 kg / 12.27 pounds 5563.9 g / 54.6 N	OK
80 °C	-6.6%	5.44 kg / 11.98 pounds 5435.9 g / 53.3 N
100 °C	-28.8%	4.14 kg / 9.14 pounds 4143.8 g / 40.7 N

Ordinary NdFeB products irreversibly lose power above the temperature limit. Avoid high temperatures – excessive heat can permanently destroy this magnet. With increasing heat, the magnet's power momentarily decreases. Avoid using this magnet in hot environments higher than its operating temperature limit. Ignoring the limit will lead to irreversible degradation of magnetic properties.

*Engineering note: Thermal stability depends not only on the material grade, as well as the dimension ratios. Thin magnets (pancake types) may lose charge permanently under lower heat stress than taller cylinders. The danger warning in the table signals a risk of irreversible loss for this specific geometry.

Table 6: Two magnets (attraction) - forces in the system
MP 20x8x5 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Sliding Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	54.03 kg / 119.11 pounds 6 121 Gs	8.10 kg / 17.87 pounds 8104 g / 79.5 N	N/A
1 mm	48.76 kg / 107.50 pounds 11 242 Gs	7.31 kg / 16.13 pounds 7314 g / 71.8 N	43.89 kg / 96.75 pounds ~0 Gs
2 mm	43.70 kg / 96.34 pounds 10 642 Gs	6.55 kg / 14.45 pounds 6555 g / 64.3 N	39.33 kg / 86.71 pounds ~0 Gs
3 mm	38.98 kg / 85.94 pounds 10 051 Gs	5.85 kg / 12.89 pounds 5847 g / 57.4 N	35.08 kg / 77.34 pounds ~0 Gs
5 mm	30.63 kg / 67.54 pounds 8 910 Gs	4.60 kg / 10.13 pounds 4595 g / 45.1 N	27.57 kg / 60.78 pounds ~0 Gs
10 mm	15.96 kg / 35.19 pounds 6 432 Gs	2.39 kg / 5.28 pounds 2394 g / 23.5 N	14.36 kg / 31.67 pounds ~0 Gs
20 mm	4.20 kg / 9.26 pounds 3 299 Gs	0.63 kg / 1.39 pounds 630 g / 6.2 N	3.78 kg / 8.33 pounds ~0 Gs
50 mm	0.19 kg / 0.42 pounds 702 Gs	0.03 kg / 0.06 pounds 29 g / 0.3 N	0.17 kg / 0.38 pounds ~0 Gs
60 mm	0.09 kg / 0.20 pounds 480 Gs	0.01 kg / 0.03 pounds 13 g / 0.1 N	0.08 kg / 0.18 pounds ~0 Gs
70 mm	0.05 kg / 0.10 pounds 342 Gs	0.01 kg / 0.01 pounds 7 g / 0.1 N	0.04 kg / 0.09 pounds ~0 Gs
80 mm	0.02 kg / 0.05 pounds 253 Gs	0.00 kg / 0.01 pounds 4 g / 0.0 N	0.02 kg / 0.05 pounds ~0 Gs
90 mm	0.01 kg / 0.03 pounds 193 Gs	0.00 kg / 0.00 pounds 2 g / 0.0 N	0.01 kg / 0.03 pounds ~0 Gs
100 mm	0.01 kg / 0.02 pounds 150 Gs	0.00 kg / 0.00 pounds 1 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs

Two strong neodymiums interact from a wider radius than a neodymium and metal setup. The setup of magnet-to-magnet generates a stronger field and a larger range of performance. Want to build a strong closure? Utilize two neodymiums instead of one magnet and a striker plate. Remember that when connecting a pair of magnets, the impact force is massive. The levitation is slightly lower than the attraction, but still significant.
*Field value for N-N configuration is approximately ~0 Gs at the midpoint between the magnets (due to field cancellation).
Important: Calculations demonstrate friction force of a pair of identical neodymium magnets (friction coefficient ~0.15 for Ni-Ni layer).

Table 7: Safety (HSE) (implants) - precautionary measures
MP 20x8x5 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	14.5 cm
Hearing aid	10 Gs (1.0 mT)	11.5 cm
Mechanical watch	20 Gs (2.0 mT)	9.0 cm
Mobile device	40 Gs (4.0 mT)	6.5 cm
Car key	50 Gs (5.0 mT)	6.0 cm
Payment card	400 Gs (40.0 mT)	2.5 cm
HDD hard drive	600 Gs (60.0 mT)	2.0 cm

Powerful magnet radiation is a serious hazard to electronic devices as well as pacemakers. These neodymiums generate a flux that disrupts operation of sensitive medical devices. Remember: the unseen radiation penetrates the body and plastic. Exceptional care must be exercised by people with hearing aids and drug dispensers. The risk also applies to: automatic timepieces, remotes, speakers, and screens. Avoid contact with magnetic cards, hard drives, or sensitive navigation tools.

Table 8: Dynamics (cracking risk) - warning
MP 20x8x5 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	25.61 km/h (7.11 m/s)	0.25 J
30 mm	42.40 km/h (11.78 m/s)	0.69 J
50 mm	54.68 km/h (15.19 m/s)	1.14 J
100 mm	77.33 km/h (21.48 m/s)	2.28 J

Neodymium magnets are very brittle – a violent impact against metal risks their cracking. Watch the impact speed – a magnet released freely speeds with massive force. Striking energy can cause material chips or injury to skin. Be sure to control the product during mounting so it doesn't slam with momentum against the steel surface. A collision at high speed almost guarantees destruction of the neodymium. Wear safety glasses when playing with powerful specimens.

Table 9: Surface protection spec
MP 20x8x5 / 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)

For outdoor applications, an epoxy coating is required; standard nickel is intended for indoor use. Note the thickness of the protective layer.

Table 10: Electrical data (Flux)
MP 20x8x5 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	16 116 Mx	161.2 µWb
P_c Coefficient	1.13	High (Stable)

Flux value passing through the pole surface. Key data in coil applications as well as sensors. P_c value determines the magnet's operating point.

Table 11: Submerged application
MP 20x8x5 / N38

Environment	Effective steel pull	Effect
Air (land)	5.82 kg	Standard
Water (riverbed)	6.66 kg (+0.84 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. Wall mount (shear)

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

2. Steel thickness impact

*Thin metal sheet (e.g. computer case) severely limits the holding force.

3. Heat tolerance

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

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 1.13

This simulation demonstrates the magnetic stability of the selected magnet under specific geometric conditions. 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 and environmental data

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%

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: 030188-2026

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It is ideally suited for places where solid attachment of the magnet to the substrate is required without the risk of detachment. Mounting is clean and reversible, unlike gluing. This product with a force of 5.82 kg works great as a door latch, speaker holder, or spacer element in devices.

This is a crucial issue when working with model MP 20x8x5 / N38. Neodymium magnets are sintered ceramics, which means they are hard but breakable and inelastic. One turn too many can destroy the magnet, so do it slowly. It's a good idea to use a flexible washer under the screw head, which will cushion the stresses. Remember: cracking during assembly results from material properties, not a product defect.

Moisture can penetrate micro-cracks in the coating and cause oxidation of the magnet. Damage to the protective layer during assembly is the most common cause of rusting. If you must use it outside, paint it with anti-corrosion paint after mounting.

The inner hole diameter determines the maximum size of the mounting element. For magnets with a straight hole, a conical head can act like a wedge and burst the magnet. Always check that the screw head is not larger than the outer diameter of the magnet (20 mm), so it doesn't protrude beyond the outline.

The presented product is a ring magnet with dimensions Ø20 mm (outer diameter) and height 5 mm. The pulling force of this model is an impressive 5.82 kg, which translates to 57.06 N in newtons. The mounting hole diameter is precisely 8 mm.

These magnets are magnetized axially (through the thickness), which means one flat side is the N pole and the other is S. In the case of connecting two rings, make sure one is turned the right way. When ordering a larger quantity, magnets are usually packed in stacks, where they are already naturally paired.

Pros as well as cons of neodymium magnets.

Pros

In addition to their magnetic efficiency, neodymium magnets provide the following advantages:

They do not lose strength, even after nearly ten years – the decrease in lifting capacity is only ~1% (based on measurements),
They possess excellent resistance to weakening of magnetic properties due to external fields,
Thanks to the shiny finish, the surface of Ni-Cu-Ni, gold, or silver gives an modern appearance,
Magnets have huge magnetic induction on the working surface,
Neodymium magnets are characterized by very high magnetic induction on the magnet surface and can function (depending on the form) even at a temperature of 230°C or more...
Thanks to modularity in designing and the ability to customize to complex applications,
Wide application in modern industrial fields – they are utilized in HDD drives, electric motors, medical equipment, and technologically advanced constructions.
Compactness – despite small sizes they generate large force, making them ideal for precision applications

Weaknesses

Disadvantages of NdFeB magnets:

To avoid cracks under impact, we suggest using special steel holders. Such a solution secures the magnet and simultaneously increases its durability.
Neodymium magnets lose strength 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
Due to the susceptibility of magnets to corrosion in a humid environment, we advise using waterproof magnets made of rubber, plastic or other material resistant to moisture, in case of application outdoors
Due to limitations in realizing nuts and complicated forms in magnets, we propose using cover - magnetic holder.
Possible danger resulting from small fragments of magnets pose a threat, in case of ingestion, which is particularly important in the aspect of protecting the youngest. Additionally, tiny parts of these products can be problematic in diagnostics medical when they are in the body.
Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications

Holding force characteristics

Magnetic strength at its maximum – what affects it?

Information about lifting capacity is the result of a measurement for optimal configuration, including:

using a sheet made of high-permeability steel, functioning as a circuit closing element
whose transverse dimension reaches at least 10 mm
characterized by even structure
with total lack of distance (no impurities)
for force applied at a right angle (pull-off, not shear)
at standard ambient temperature

Determinants of lifting force in real conditions

Effective lifting capacity is affected by working environment parameters, mainly (from most important):

Space between magnet and steel – even a fraction of a millimeter of distance (caused e.g. by veneer or dirt) significantly weakens the magnet efficiency, often by half at just 0.5 mm.
Force direction – remember that the magnet has greatest strength perpendicularly. Under sliding down, the holding force drops drastically, often to levels of 20-30% of the maximum value.
Element thickness – for full efficiency, the steel must be sufficiently thick. Thin sheet limits the lifting capacity (the magnet "punches through" it).
Steel grade – ideal substrate is high-permeability steel. Stainless steels may have worse magnetic properties.
Surface finish – full contact is obtained only on smooth steel. Any scratches and bumps reduce the real contact area, weakening the magnet.
Operating temperature – neodymium magnets have a sensitivity to temperature. When it is hot they lose power, and in frost they can be stronger (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 attempts to slide the magnet the lifting capacity is smaller. Additionally, even a minimal clearance between the magnet and the plate reduces the lifting capacity.

Safe handling of neodymium magnets

Keep away from children

Absolutely keep magnets out of reach of children. Ingestion danger is significant, and the consequences of magnets connecting inside the body are life-threatening.

Handling rules

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

Medical interference

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

Hand protection

Large magnets can crush fingers instantly. Never put your hand between two attracting surfaces.

Shattering risk

Despite the nickel coating, the material is brittle and not impact-resistant. Avoid impacts, as the magnet may shatter into sharp, dangerous pieces.

Skin irritation risks

It is widely known that nickel (standard magnet coating) is a potent allergen. If your skin reacts to metals, avoid touching magnets with bare hands and select coated magnets.

Combustion hazard

Powder created during cutting of magnets is self-igniting. Avoid drilling into magnets without proper cooling and knowledge.

Safe distance

Do not bring magnets near a purse, computer, or screen. The magnetism can destroy these devices and wipe information from cards.

Maximum temperature

Regular neodymium magnets (grade N) lose power when the temperature goes above 80°C. This process is irreversible.

Phone sensors

Note: neodymium magnets produce a field that disrupts sensitive sensors. Keep a safe distance from your mobile, tablet, and GPS.

Security! More info about hazards in the article: Safety of working with magnets.

MP 20x8x5 / N38 - ring magnet

Technical - MP 20x8x5 / N38 - ring magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Technical modeling of the magnet - data

Table 1: Static force (force vs distance) - characteristics MP 20x8x5 / N38

Table 2: Slippage load (vertical surface) MP 20x8x5 / N38

Table 3: Vertical assembly (sliding) - behavior on slippery surfaces MP 20x8x5 / N38

Table 4: Material efficiency (saturation) - sheet metal selection MP 20x8x5 / N38

Table 5: Working in heat (material behavior) - power drop MP 20x8x5 / N38

Table 6: Two magnets (attraction) - forces in the system MP 20x8x5 / N38

Table 7: Safety (HSE) (implants) - precautionary measures MP 20x8x5 / N38

Table 8: Dynamics (cracking risk) - warning MP 20x8x5 / N38

Table 9: Surface protection spec MP 20x8x5 / N38

Table 10: Electrical data (Flux) MP 20x8x5 / N38

Table 11: Submerged application MP 20x8x5 / N38

1. Wall mount (shear)

2. Steel thickness impact

3. Heat tolerance

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

Chemical composition

Environmental data

Magnet pull force

Field Strength

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Pros as well as cons of neodymium magnets.

Pros

Weaknesses

Holding force characteristics

Magnetic strength at its maximum – what affects it?

Determinants of lifting force in real conditions

Safe handling of neodymium magnets

Keep away from children

Handling rules

Medical interference

Hand protection

Shattering risk

Skin irritation risks

Combustion hazard

Safe distance

Maximum temperature

Phone sensors

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static force (force vs distance) - characteristics
MP 20x8x5 / N38

Table 2: Slippage load (vertical surface)
MP 20x8x5 / N38

Table 3: Vertical assembly (sliding) - behavior on slippery surfaces
MP 20x8x5 / N38

Table 4: Material efficiency (saturation) - sheet metal selection
MP 20x8x5 / N38

Table 5: Working in heat (material behavior) - power drop
MP 20x8x5 / N38

Table 6: Two magnets (attraction) - forces in the system
MP 20x8x5 / N38

Table 7: Safety (HSE) (implants) - precautionary measures
MP 20x8x5 / N38

Table 8: Dynamics (cracking risk) - warning
MP 20x8x5 / N38

Table 9: Surface protection spec
MP 20x8x5 / N38

Table 10: Electrical data (Flux)
MP 20x8x5 / N38

Table 11: Submerged application
MP 20x8x5 / N38