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MP 62x42x25 / 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 030205

GTIN/EAN: 5906301812227

5.00

Diameter

62 mm [±0,1 mm]

internal diameter Ø

42 mm [±0,1 mm]

Height

25 mm [±0,1 mm]

Weight

306.31 g

Magnetization Direction

↑ axial

Load capacity

58.67 kg / 575.60 N

Magnetic Induction

389.14 mT / 3891 Gs

Coating

[NiCuNi] Nickel

view technical specifications »

165.00 ZŁ with VAT / pcs + price for transport

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Technical of the product - MP 62x42x25 / N38 - ring magnet

Specification / characteristics - MP 62x42x25 / N38 - ring magnet

properties

properties	values
Cat. no.	030205
GTIN/EAN	5906301812227
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	62 mm [±0,1 mm]
internal diameter Ø	42 mm [±0,1 mm]
Height	25 mm [±0,1 mm]
Weight	306.31 g
Magnetization Direction	↑ axial
Load capacity ~ ?	58.67 kg / 575.60 N
Magnetic Induction ~ ?	389.14 mT / 3891 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MP 62x42x25 / 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 simulation of the magnet - data

These information are the direct effect of a mathematical calculation. Results were calculated on algorithms for the class Nd₂Fe₁₄B. Actual parameters may differ from theoretical values. Treat these data as a supplementary guide for designers.

Table 1: Static force (force vs gap) - characteristics
MP 62x42x25 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	4472 Gs 447.2 mT	58.67 kg / 129.35 lbs 58670.0 g / 575.6 N	crushing
1 mm	4338 Gs 433.8 mT	55.21 kg / 121.72 lbs 55213.2 g / 541.6 N	crushing
2 mm	4201 Gs 420.1 mT	51.77 kg / 114.13 lbs 51768.5 g / 507.8 N	crushing
3 mm	4061 Gs 406.1 mT	48.39 kg / 106.69 lbs 48394.9 g / 474.8 N	crushing
5 mm	3781 Gs 378.1 mT	41.94 kg / 92.47 lbs 41942.4 g / 411.5 N	crushing
10 mm	3097 Gs 309.7 mT	28.15 kg / 62.06 lbs 28148.0 g / 276.1 N	crushing
15 mm	2485 Gs 248.5 mT	18.12 kg / 39.94 lbs 18118.5 g / 177.7 N	crushing
20 mm	1972 Gs 197.2 mT	11.41 kg / 25.16 lbs 11412.7 g / 112.0 N	crushing
30 mm	1239 Gs 123.9 mT	4.51 kg / 9.93 lbs 4505.2 g / 44.2 N	medium risk
50 mm	533 Gs 53.3 mT	0.83 kg / 1.84 lbs 832.4 g / 8.2 N	weak grip

Pulling power decreases sharply per each millimeter of distance. Remember that even the smallest gap (e.g., contamination, varnish, veneer) noticeably weakens the grip. Neodymiums hold optimally in perfect adhesion; air break kills the power. See how quickly the pull force plummet, when the product does not adhere flatly to the metal substrate. When designing the mounting, avoid redundant distances.

Table 2: Shear load (wall)
MP 62x42x25 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	11.73 kg / 25.87 lbs 11734.0 g / 115.1 N
1 mm	Stal (~0.2)	11.04 kg / 24.34 lbs 11042.0 g / 108.3 N
2 mm	Stal (~0.2)	10.35 kg / 22.83 lbs 10354.0 g / 101.6 N
3 mm	Stal (~0.2)	9.68 kg / 21.34 lbs 9678.0 g / 94.9 N
5 mm	Stal (~0.2)	8.39 kg / 18.49 lbs 8388.0 g / 82.3 N
10 mm	Stal (~0.2)	5.63 kg / 12.41 lbs 5630.0 g / 55.2 N
15 mm	Stal (~0.2)	3.62 kg / 7.99 lbs 3624.0 g / 35.6 N
20 mm	Stal (~0.2)	2.28 kg / 5.03 lbs 2282.0 g / 22.4 N
30 mm	Stal (~0.2)	0.90 kg / 1.99 lbs 902.0 g / 8.8 N
50 mm	Stal (~0.2)	0.17 kg / 0.37 lbs 166.0 g / 1.6 N

This section calculates the approximate holding capacity sufficient to cause the shifting of the magnet down against a vertical steel wall (assuming standard friction coefficient). The holding force varies with the separation distance between the magnet and the metal.

Table 3: Vertical assembly (sliding) - vertical pull
MP 62x42x25 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	17.60 kg / 38.80 lbs 17601.0 g / 172.7 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	11.73 kg / 25.87 lbs 11734.0 g / 115.1 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	5.87 kg / 12.93 lbs 5867.0 g / 57.6 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	29.34 kg / 64.67 lbs 29335.0 g / 287.8 N

When placing a magnet on a upright wall (e.g., a board), it you can count on just approx. 1/5 of nominal attraction strength. Gravitational force and a low friction coefficient influence the fact that magnets slip faster than they pull off. Planning a wall mount? Consider that the shear force is noticeably lower than the maximum static pull force. On a smooth steel, the element will slip down under a much lighter cargo. Application of an anti-slip layer can effectively improve the result.

Table 4: Material efficiency (saturation) - power losses
MP 62x42x25 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	3%	1.96 kg / 4.31 lbs 1955.7 g / 19.2 N
1 mm	8%	4.89 kg / 10.78 lbs 4889.2 g / 48.0 N
2 mm	17%	9.78 kg / 21.56 lbs 9778.3 g / 95.9 N
3 mm	25%	14.67 kg / 32.34 lbs 14667.5 g / 143.9 N
5 mm	42%	24.45 kg / 53.89 lbs 24445.8 g / 239.8 N
10 mm	83%	48.89 kg / 107.79 lbs 48891.7 g / 479.6 N
11 mm	92%	53.78 kg / 118.57 lbs 53780.8 g / 527.6 N
12 mm	100%	58.67 kg / 129.35 lbs 58670.0 g / 575.6 N

A thin metal plate cannot take in 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 squeeze the maximum of this neodymium's power, you need a suitably thick backing of metal. The saturation effect causes that on thin elements (e.g., car bodies), the magnet shows lower pull force. We recommend selecting the steel dimension from these parameters.

Table 5: Thermal resistance (stability) - power drop
MP 62x42x25 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	58.67 kg / 129.35 lbs 58670.0 g / 575.6 N	OK
40 °C	-2.2%	57.38 kg / 126.50 lbs 57379.3 g / 562.9 N	OK
60 °C	-4.4%	56.09 kg / 123.65 lbs 56088.5 g / 550.2 N	OK
80 °C	-6.6%	54.80 kg / 120.81 lbs 54797.8 g / 537.6 N
100 °C	-28.8%	41.77 kg / 92.09 lbs 41773.0 g / 409.8 N

Standard neodymium magnets irreversibly lose strength past the thermal threshold. Avoid high temperatures – excessive heat can permanently damage this magnet. With every degree above norm, the magnet's power momentarily drops. Refrain from using this magnet in hot environments exceeding its working range. Too high temperature will cause irreversible degradation of magnetism.

*Technical advisory: Heat tolerance depends not only on the material grade, but also on the magnet's shape. Thin magnets (pancake types) may lose charge permanently at lower temperatures than long magnets. Red status in the table points to permanent field degradation for this particular item.

Table 6: Magnet-Magnet interaction (attraction) - field collision
MP 62x42x25 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Shear Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	264.93 kg / 584.07 lbs 5 588 Gs	39.74 kg / 87.61 lbs 39740 g / 389.8 N	N/A
1 mm	257.19 kg / 567.00 lbs 8 812 Gs	38.58 kg / 85.05 lbs 38578 g / 378.4 N	231.47 kg / 510.30 lbs ~0 Gs
2 mm	249.32 kg / 549.66 lbs 8 676 Gs	37.40 kg / 82.45 lbs 37398 g / 366.9 N	224.39 kg / 494.69 lbs ~0 Gs
3 mm	241.51 kg / 532.44 lbs 8 539 Gs	36.23 kg / 79.87 lbs 36227 g / 355.4 N	217.36 kg / 479.19 lbs ~0 Gs
5 mm	226.10 kg / 498.47 lbs 8 262 Gs	33.92 kg / 74.77 lbs 33915 g / 332.7 N	203.49 kg / 448.62 lbs ~0 Gs
10 mm	189.40 kg / 417.55 lbs 7 562 Gs	28.41 kg / 62.63 lbs 28409 g / 278.7 N	170.46 kg / 375.79 lbs ~0 Gs
20 mm	127.11 kg / 280.22 lbs 6 195 Gs	19.07 kg / 42.03 lbs 19066 g / 187.0 N	114.40 kg / 252.20 lbs ~0 Gs
50 mm	32.28 kg / 71.17 lbs 3 122 Gs	4.84 kg / 10.68 lbs 4843 g / 47.5 N	29.06 kg / 64.06 lbs ~0 Gs
60 mm	20.34 kg / 44.85 lbs 2 478 Gs	3.05 kg / 6.73 lbs 3052 g / 29.9 N	18.31 kg / 40.36 lbs ~0 Gs
70 mm	12.99 kg / 28.63 lbs 1 980 Gs	1.95 kg / 4.29 lbs 1948 g / 19.1 N	11.69 kg / 25.77 lbs ~0 Gs
80 mm	8.43 kg / 18.59 lbs 1 595 Gs	1.26 kg / 2.79 lbs 1265 g / 12.4 N	7.59 kg / 16.73 lbs ~0 Gs
90 mm	5.58 kg / 12.29 lbs 1 298 Gs	0.84 kg / 1.84 lbs 836 g / 8.2 N	5.02 kg / 11.06 lbs ~0 Gs
100 mm	3.76 kg / 8.29 lbs 1 065 Gs	0.56 kg / 1.24 lbs 564 g / 5.5 N	3.38 kg / 7.46 lbs ~0 Gs

Two magnetic products attract each other from a wider radius than a magnet and sheet setup. The setup of two magnets produces a massive flux and a larger range of operation. Designing a strong closure? Apply two magnets instead of one magnet and a steel. Remember that when bringing together two magnets, the collision energy is huge. The repulsion force is slightly lower than the attraction, but still significant.
*Flux density for N-N configuration drops to ~0 Gs in the exact middle between the magnets (due to field cancellation).
Attention: Estimates show shear force of dual identical neodymium magnets (friction ~0.15 for Ni-Ni plating).

Table 7: Hazards (electronics) - warnings
MP 62x42x25 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	32.5 cm
Hearing aid	10 Gs (1.0 mT)	25.5 cm
Mechanical watch	20 Gs (2.0 mT)	20.0 cm
Mobile device	40 Gs (4.0 mT)	15.5 cm
Remote	50 Gs (5.0 mT)	14.0 cm
Payment card	400 Gs (40.0 mT)	6.0 cm
HDD hard drive	600 Gs (60.0 mT)	5.0 cm

A strong magnetic field is a real danger to electronics as well as medical implants. These NdFeB products produce a field that prevents correct functioning of sensitive medical devices. Notice: the unseen radiation passes through tissues and glass. Special caution must be taken by people with cochlear implants and drug dispensers. Also at risk are: automatic timepieces, car keys, speakers, and displays. Avoid contact with magnetic cards, HDD media, or sensitive navigation tools.

Table 8: Collisions (cracking risk) - warning
MP 62x42x25 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	17.65 km/h (4.90 m/s)	3.68 J
30 mm	25.31 km/h (7.03 m/s)	7.57 J
50 mm	31.49 km/h (8.75 m/s)	11.72 J
100 mm	44.16 km/h (12.27 m/s)	23.04 J

NdFeB products are prone to chipping – a violent impact against metal risks their cracking. Pay attention to connection velocity – a magnet released freely becomes dangerous. Impact energy can cause material chips or painful pinches to fingers. Be sure to control the product during mounting so it doesn't hit with great force against the metal. A collision at high speed means shattering of the neodymium. Wear eye protection when working with powerful specimens.

Table 9: Anti-corrosion coating durability
MP 62x42x25 / 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. Note the thickness of the protective layer.

Table 10: Construction data (Flux)
MP 62x42x25 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	100 906 Mx	1009.1 µWb
P_c Coefficient	0.64	High (Stable)

Flux value emitted by the magnet pole. Key data for generator designers and motors. The P_c coefficient defines the magnet's operating point.

Table 11: Underwater work (magnet fishing)
MP 62x42x25 / N38

Environment	Effective steel pull	Effect
Air (land)	58.67 kg	Standard
Water (riverbed)	67.18 kg (+8.51 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. As a result, your magnet will pull a heavier object from the bottom than if you lifted it in the air.

1. Vertical hold

*Note: On a vertical surface, the magnet holds just ~20% of its max power.

2. Steel thickness impact

*Thin steel (e.g. 0.5mm PC case) drastically limits the holding force.

3. Heat tolerance

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

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.64

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 specification and ecology

Chemical composition

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

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: 030205-2026

Measurement Calculator

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Kilograms (kg)

Force (N)

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The ring magnet with a hole MP 62x42x25 / N38 is created for permanent mounting, where glue might fail or be insufficient. Mounting is clean and reversible, unlike gluing. It is also often used in advertising for fixing signs and in workshops for organizing tools.

This is a crucial issue when working with model MP 62x42x25 / 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. The flat screw head should evenly press the magnet. 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. In the place of the mounting hole, the coating is thinner and can be damaged when tightening the screw, which will become a corrosion focus. This product is dedicated for indoor use. For outdoor applications, we recommend choosing magnets in hermetic housing or additional protection with varnish.

A screw or bolt with a thread diameter smaller than 42 mm fits this model. For magnets with a straight hole, a conical head can act like a wedge and burst the magnet. Aesthetic mounting requires selecting the appropriate head size.

This model is characterized by dimensions Ø62x25 mm and a weight of 306.31 g. The pulling force of this model is an impressive 58.67 kg, which translates to 575.60 N in newtons. The product has a [NiCuNi] coating and is made of NdFeB material. Inner hole dimension: 42 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. We do not offer paired sets with marked poles in this category, but they are easy to match manually.

Pros and cons of neodymium magnets.

Strengths

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

Their strength is maintained, and after approximately ten years it drops only by ~1% (according to research),
They are noted for resistance to demagnetization induced by external field influence,
A magnet with a smooth gold surface has better aesthetics,
They feature high magnetic induction at the operating surface, which improves attraction properties,
Thanks to resistance to high temperature, they can operate (depending on the form) even at temperatures up to 230°C and higher...
Thanks to modularity in forming and the ability to modify to client solutions,
Significant place in future technologies – they find application in HDD drives, electric motors, medical devices, and technologically advanced constructions.
Compactness – despite small sizes they generate large force, making them ideal for precision applications

Limitations

Disadvantages of NdFeB magnets:

They are prone to damage upon heavy impacts. To avoid cracks, it is worth securing magnets using a steel holder. Such protection not only shields the magnet but also increases its resistance to damage
Neodymium magnets decrease their strength under the influence of heating. As soon as 80°C is exceeded, many of them start losing their power. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
Due to the susceptibility of magnets to corrosion in a humid environment, we recommend using waterproof magnets made of rubber, plastic or other material stable to moisture, in case of application outdoors
We suggest a housing - magnetic mechanism, due to difficulties in creating nuts inside the magnet and complicated forms.
Potential hazard to health – tiny shards of magnets pose a threat, if swallowed, which becomes key in the context of child safety. Additionally, small components of these products are able to be problematic in diagnostics medical when they are in the body.
High unit price – neodymium magnets have a higher price than other types of magnets (e.g. ferrite), which hinders application in large quantities

Pull force analysis

Breakaway strength of the magnet in ideal conditions – what contributes to it?

The specified lifting capacity concerns the limit force, obtained under optimal environment, namely:

on a base made of structural steel, optimally conducting the magnetic field
with a cross-section minimum 10 mm
with an ideally smooth contact surface
with direct contact (no impurities)
for force applied at a right angle (pull-off, not shear)
at conditions approx. 20°C

Lifting capacity in real conditions – factors

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

Space between magnet and steel – even a fraction of a millimeter of distance (caused e.g. by veneer or unevenness) diminishes the pulling force, often by half at just 0.5 mm.
Force direction – catalog parameter refers to pulling vertically. When attempting to slide, the magnet exhibits significantly lower power (typically approx. 20-30% of maximum force).
Wall thickness – thin material does not allow full use of the magnet. Magnetic flux passes through the material instead of generating force.
Steel grade – the best choice is high-permeability steel. Stainless steels may generate lower lifting capacity.
Smoothness – full contact is possible only on polished steel. Rough texture create air cushions, weakening the magnet.
Temperature – temperature increase results in weakening of force. Check the thermal limit for a given model.

Lifting capacity was measured using a smooth steel plate of suitable thickness (min. 20 mm), under perpendicular pulling force, whereas under parallel forces the load capacity is reduced by as much as fivefold. Moreover, even a small distance between the magnet’s surface and the plate lowers the holding force.

Safety rules for work with neodymium magnets

Permanent damage

Control the heat. Heating the magnet above 80 degrees Celsius will permanently weaken its properties and pulling force.

Handling guide

Handle with care. Neodymium magnets act from a distance and connect with massive power, often quicker than you can react.

Threat to navigation

Be aware: neodymium magnets produce a field that interferes with precision electronics. Keep a safe distance from your mobile, tablet, and GPS.

Pacemakers

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

No play value

Strictly keep magnets away from children. Ingestion danger is high, and the consequences of magnets clamping inside the body are tragic.

Threat to electronics

Powerful magnetic fields can destroy records on payment cards, HDDs, and other magnetic media. Stay away of at least 10 cm.

Finger safety

Risk of injury: The attraction force is so immense that it can result in blood blisters, crushing, and broken bones. Protective gloves are recommended.

Do not drill into magnets

Combustion risk: Neodymium dust is explosive. Avoid machining magnets in home conditions as this may cause fire.

Allergic reactions

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

Material brittleness

NdFeB magnets are ceramic materials, which means they are fragile like glass. Collision of two magnets will cause them shattering into shards.

Important! Looking for details? Check our post: Are neodymium magnets dangerous?

MP 62x42x25 / N38 - ring magnet

Technical of the product - MP 62x42x25 / N38 - ring magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Technical simulation of the magnet - data

Table 1: Static force (force vs gap) - characteristics MP 62x42x25 / N38

Table 2: Shear load (wall) MP 62x42x25 / N38

Table 3: Vertical assembly (sliding) - vertical pull MP 62x42x25 / N38

Table 4: Material efficiency (saturation) - power losses MP 62x42x25 / N38

Table 5: Thermal resistance (stability) - power drop MP 62x42x25 / N38

Table 6: Magnet-Magnet interaction (attraction) - field collision MP 62x42x25 / N38

Table 7: Hazards (electronics) - warnings MP 62x42x25 / N38

Table 8: Collisions (cracking risk) - warning MP 62x42x25 / N38

Table 9: Anti-corrosion coating durability MP 62x42x25 / N38

Table 10: Construction data (Flux) MP 62x42x25 / N38

Table 11: Underwater work (magnet fishing) MP 62x42x25 / N38

1. Vertical hold

2. Steel thickness impact

3. Heat tolerance

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

Chemical composition

Environmental data

Magnet pull force

Magnetic Induction

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Pros and cons of neodymium magnets.

Strengths

Limitations

Pull force analysis

Breakaway strength of the magnet in ideal conditions – what contributes to it?

Lifting capacity in real conditions – factors

Safety rules for work with neodymium magnets

Permanent damage

Handling guide

Threat to navigation

Pacemakers

No play value

Threat to electronics

Finger safety

Do not drill into magnets

Allergic reactions

Material brittleness

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static force (force vs gap) - characteristics
MP 62x42x25 / N38

Table 2: Shear load (wall)
MP 62x42x25 / N38

Table 3: Vertical assembly (sliding) - vertical pull
MP 62x42x25 / N38

Table 4: Material efficiency (saturation) - power losses
MP 62x42x25 / N38

Table 5: Thermal resistance (stability) - power drop
MP 62x42x25 / N38

Table 6: Magnet-Magnet interaction (attraction) - field collision
MP 62x42x25 / N38

Table 7: Hazards (electronics) - warnings
MP 62x42x25 / N38

Table 8: Collisions (cracking risk) - warning
MP 62x42x25 / N38

Table 9: Anti-corrosion coating durability
MP 62x42x25 / N38

Table 10: Construction data (Flux)
MP 62x42x25 / N38

Table 11: Underwater work (magnet fishing)
MP 62x42x25 / N38