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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

see properties »

165.00 ZŁ with VAT / pcs + price for transport

134.15 ZŁ net + 23% VAT / pcs

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Technical - 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

Physical modeling of the assembly - report

The following values are the result of a engineering calculation. Values rely on algorithms for the material Nd₂Fe₁₄B. Actual parameters might slightly deviate from the simulation results. Please consider these calculations as a reference point for designers.

Table 1: Static pull force (pull vs distance) - 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	critical level
1 mm	4338 Gs 433.8 mT	55.21 kg / 121.72 lbs 55213.2 g / 541.6 N	critical level
2 mm	4201 Gs 420.1 mT	51.77 kg / 114.13 lbs 51768.5 g / 507.8 N	critical level
3 mm	4061 Gs 406.1 mT	48.39 kg / 106.69 lbs 48394.9 g / 474.8 N	critical level
5 mm	3781 Gs 378.1 mT	41.94 kg / 92.47 lbs 41942.4 g / 411.5 N	critical level
10 mm	3097 Gs 309.7 mT	28.15 kg / 62.06 lbs 28148.0 g / 276.1 N	critical level
15 mm	2485 Gs 248.5 mT	18.12 kg / 39.94 lbs 18118.5 g / 177.7 N	critical level
20 mm	1972 Gs 197.2 mT	11.41 kg / 25.16 lbs 11412.7 g / 112.0 N	critical level
30 mm	1239 Gs 123.9 mT	4.51 kg / 9.93 lbs 4505.2 g / 44.2 N	warning
50 mm	533 Gs 53.3 mT	0.83 kg / 1.84 lbs 832.4 g / 8.2 N	safe

Magnetic force decreases sharply with every mm of distance. Note that even a microscopic distance (e.g., contamination, paint, dust) significantly weakens the grip. Magnetic products work most effectively during direct contact; air break kills the force. See how quickly the pull force drop, when the product does not touch flatly to the metal substrate. When calculating the mounting, eliminate additional spacers.

Table 2: Slippage capacity (vertical surface)
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

The table below presents the estimated force necessary to initiate the downward movement of the magnet vertically on a upright steel wall (assuming standard friction). The holding force is relative to the separation distance between the magnet and the surface.

Table 3: Wall mounting (shearing) - 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 holder on a upright surface (e.g., a fridge), it will only hold barely about 1/5 of its maximum pull force. Gravitational force and a low friction coefficient influence the fact that magnets move down easier than they detach. Designing a hanger? Consider that the sliding force is much weaker than the maximum static pull force. On a slippery surface, the element will slip down under a much lighter weight. Using a rubber pad can drastically raise the stability.

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 too thin steel cannot absorb the entire magnetic field, which squanders power of the holder. If you attach a powerful product to a thin surface, the magnetism will penetrate right through and the holding will be smaller. To squeeze full efficiency of this magnet's power, you need a suitably thick element of metal. The saturation phenomenon means that on sheet metal structures (e.g., appliance housings), the holder shows lower pull force. We suggest choosing the steel thickness from these parameters.

Table 5: Working in heat (material behavior) - resistance threshold
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

Ordinary NdFeB products irreversibly lose strength after exceeding the maximum temperature. Protect against heat – excessive heat can irreversibly damage this product. With increasing heat, the magnet's power temporarily drops. Refrain from using this product close to heaters higher than its safe range. Ignoring the limit will result in permanent loss of magnetic properties.

*Engineering note: Temperature resistance is determined by both grade, as well as the dimension ratios. Thin magnets (low Pc) are more susceptible to demagnetization at lower temperatures than long magnets. The danger warning in the table points to a risk of irreversible loss for this particular item.

Table 6: Magnet-Magnet interaction (repulsion) - field range
MP 62x42x25 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Shear Strength (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 magnets attract each other from a significantly greater distance than a magnet and steel combination. The connection of two magnets generates a stronger field and a further horizon of operation. Want to build a powerful holder? Use a pair of magnets instead of one magnet and a striker plate. Be careful that when attracting two neodymiums, the collision energy is huge. The repulsion force is marginally weaker than the connection force, but still large.
*Field value in repulsion mode drops to ~0 Gs at the midpoint of the gap (resulting from vector opposition).
Attention: Figures apply to shear force of two identical neodymium magnets (friction ~0.15 for Ni-Ni coating).

Table 7: Protective zones (implants) - 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
Timepiece	20 Gs (2.0 mT)	20.0 cm
Phone / Smartphone	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

Powerful magnet radiation is a serious hazard to electronic devices as well as pacemakers. These NdFeB products produce a field that disrupts operation of sensitive medical devices. Be aware: the unseen radiation passes through tissues and housings. Increased vigilance must be taken by people with cochlear implants and insulin pumps. Also at risk are: automatic timepieces, car keys, speakers, and displays. Avoid contact with magnetic cards, hard drives, or sensitive navigation tools.

Table 8: Impact energy (cracking risk) - collision effects
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

Magnetic elements are very brittle – a strong collision with metal causes immediate chipping. Pay attention to connection velocity – a magnet released freely turns into a projectile. Striking energy can cause material chips or dangerous crushing to skin. Hold the magnet firmly during installation so it doesn't hit violently against the metal. A collision at high speed ends with a crack of the neodymium. Wear safety glasses when handling with large magnets.

Table 9: Surface protection spec
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)

For outdoor applications, an epoxy coating is required; standard nickel is intended for indoor use. Improper coating selection is the most common cause of magnet failure over time.

Table 10: Construction data (P_c)
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 in coil applications as well as sensors. P_c value determines the working geometry.

Table 11: Physics of underwater searching
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%

Rust risk: 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. Buoyancy helps in lifting finds.

1. Sliding resistance

*Warning: On a vertical surface, the magnet retains only ~20% of its nominal pull.

2. Steel thickness impact

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

3. Power loss vs temp

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

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

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

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%

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: 030205-2026

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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. Thanks to the hole (often for a screw), this model enables quick installation to wood, wall, plastic, or metal. This product with a force of 58.67 kg works great as a cabinet closure, speaker holder, or spacer element in devices.

This is a crucial issue when working with model MP 62x42x25 / N38. Neodymium magnets are sintered ceramics, which means they are very brittle and inelastic. When tightening the screw, you must maintain caution. We recommend tightening manually with a screwdriver, not an impact driver, because too much pressure will cause the ring to crack. 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 easily scratched when tightening the screw, which will become a corrosion focus. This product is dedicated for inside building use. For outdoor applications, we recommend choosing rubberized holders or additional protection with varnish.

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. Aesthetic mounting requires selecting the appropriate head size.

The presented product is a ring magnet with dimensions Ø62 mm (outer diameter) and height 25 mm. The key parameter here is the holding force amounting to approximately 58.67 kg (force ~575.60 N). 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. When ordering a larger quantity, magnets are usually packed in stacks, where they are already naturally paired.

Strengths as well as weaknesses of neodymium magnets.

Pros

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

Their magnetic field is maintained, and after around 10 years it drops only by ~1% (theoretically),
They do not lose their magnetic properties even under strong external field,
In other words, due to the aesthetic surface of nickel, the element looks attractive,
Neodymium magnets deliver maximum magnetic induction on a contact point, which ensures high operational effectiveness,
Neodymium magnets are characterized by very high magnetic induction on the magnet surface and can work (depending on the form) even at a temperature of 230°C or more...
Thanks to versatility in constructing and the capacity to modify to individual projects,
Versatile presence in innovative solutions – they serve a role in data components, electric drive systems, medical devices, also industrial machines.
Relatively small size with high pulling force – neodymium magnets offer impressive pulling force in compact dimensions, which allows their use in compact constructions

Cons

Disadvantages of NdFeB magnets:

To avoid cracks upon strong impacts, we suggest using special steel holders. Such a solution protects the magnet and simultaneously improves its durability.
NdFeB magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of strength (a factor is the shape as well as dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are extremely resistant to heat
Magnets exposed to a humid environment can corrode. Therefore while using outdoors, we suggest using waterproof magnets made of rubber, plastic or other material protecting against moisture
We recommend cover - magnetic holder, due to difficulties in realizing nuts inside the magnet and complex shapes.
Health risk 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 small elements of these devices are able to complicate diagnosis medical after entering the body.
Due to expensive raw materials, their price exceeds standard values,

Pull force analysis

Optimal lifting capacity of a neodymium magnet – what it depends on?

Holding force of 58.67 kg is a result of laboratory testing conducted under the following configuration:

on a plate made of mild steel, optimally conducting the magnetic field
possessing a thickness of min. 10 mm to ensure full flux closure
characterized by lack of roughness
with zero gap (no coatings)
under perpendicular force direction (90-degree angle)
at ambient temperature room level

Lifting capacity in real conditions – factors

Effective lifting capacity impacted by working environment parameters, mainly (from priority):

Air gap (betwixt the magnet and the metal), because even a tiny clearance (e.g. 0.5 mm) leads to a decrease in lifting capacity by up to 50% (this also applies to paint, corrosion or dirt).
Loading method – declared lifting capacity refers to detachment vertically. When slipping, the magnet exhibits much less (typically approx. 20-30% of maximum force).
Element thickness – for full efficiency, the steel must be adequately massive. Thin sheet restricts the lifting capacity (the magnet "punches through" it).
Metal type – different alloys attracts identically. High carbon content worsen the interaction with the magnet.
Surface finish – ideal contact is obtained only on polished steel. Rough texture reduce the real contact area, reducing force.
Thermal factor – hot environment weakens magnetic field. Exceeding the limit temperature can permanently demagnetize the magnet.

Holding force was tested on the plate surface of 20 mm thickness, when the force acted perpendicularly, in contrast under attempts to slide the magnet the lifting capacity is smaller. In addition, even a small distance between the magnet’s surface and the plate lowers the holding force.

H&S for magnets

Precision electronics

Be aware: rare earth magnets produce a field that confuses precision electronics. Keep a separation from your phone, tablet, and GPS.

Medical interference

For implant holders: Strong magnetic fields affect electronics. Maintain at least 30 cm distance or request help to work with the magnets.

Adults only

Adult use only. Tiny parts pose a choking risk, leading to intestinal necrosis. Store out of reach of kids and pets.

Maximum temperature

Standard neodymium magnets (grade N) lose magnetization when the temperature exceeds 80°C. Damage is permanent.

Mechanical processing

Drilling and cutting of neodymium magnets carries a risk of fire risk. Neodymium dust oxidizes rapidly with oxygen and is hard to extinguish.

Respect the power

Use magnets consciously. Their immense force can shock even professionals. Plan your moves and respect their power.

Material brittleness

NdFeB magnets are sintered ceramics, which means they are very brittle. Collision of two magnets will cause them cracking into shards.

Finger safety

Protect your hands. Two large magnets will snap together immediately with a force of massive weight, crushing anything in their path. Be careful!

Allergic reactions

Some people experience a contact allergy to Ni, which is the common plating for neodymium magnets. Prolonged contact might lead to skin redness. We suggest use protective gloves.

Electronic devices

Powerful magnetic fields can corrupt files on payment cards, HDDs, and storage devices. Stay away of at least 10 cm.

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

MP 62x42x25 / N38 - ring magnet

Technical - MP 62x42x25 / N38 - ring magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Physical modeling of the assembly - report

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

Table 2: Slippage capacity (vertical surface) MP 62x42x25 / N38

Table 3: Wall mounting (shearing) - vertical pull MP 62x42x25 / N38

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

Table 5: Working in heat (material behavior) - resistance threshold MP 62x42x25 / N38

Table 6: Magnet-Magnet interaction (repulsion) - field range MP 62x42x25 / N38

Table 7: Protective zones (implants) - warnings MP 62x42x25 / N38

Table 8: Impact energy (cracking risk) - collision effects MP 62x42x25 / N38

Table 9: Surface protection spec MP 62x42x25 / N38

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

Table 11: Physics of underwater searching MP 62x42x25 / N38

1. Sliding resistance

2. Steel thickness impact

3. Power loss vs temp

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

Chemical composition

Sustainability

Pulling force

Magnetic Field

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Strengths as well as weaknesses of neodymium magnets.

Pros

Cons

Pull force analysis

Optimal lifting capacity of a neodymium magnet – what it depends on?

Lifting capacity in real conditions – factors

H&S for magnets

Precision electronics

Medical interference

Adults only

Maximum temperature

Mechanical processing

Respect the power

Material brittleness

Finger safety

Allergic reactions

Electronic devices

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

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

Table 2: Slippage capacity (vertical surface)
MP 62x42x25 / N38

Table 3: Wall mounting (shearing) - vertical pull
MP 62x42x25 / N38

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

Table 5: Working in heat (material behavior) - resistance threshold
MP 62x42x25 / N38

Table 6: Magnet-Magnet interaction (repulsion) - field range
MP 62x42x25 / N38

Table 7: Protective zones (implants) - warnings
MP 62x42x25 / N38

Table 8: Impact energy (cracking risk) - collision effects
MP 62x42x25 / N38

Table 9: Surface protection spec
MP 62x42x25 / N38

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

Table 11: Physics of underwater searching
MP 62x42x25 / N38