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MW 45x20 / N38 - cylindrical magnet

Name: Dhit sp. z o.o.
Address: Kościuszki 6A, Ożarów Mazowiecki, Poland, 05-850, PL
Telephone: +48 22 499 98 98
Price range: PLN 1-6500
Rating: 5

cylindrical magnet

Catalog no 010071

GTIN/EAN: 5906301810704

5.00

Diameter Ø

45 mm [±0,1 mm]

Height

20 mm [±0,1 mm]

Weight

238.56 g

Magnetization Direction

↑ axial

Load capacity

60.94 kg / 597.79 N

Magnetic Induction

411.81 mT / 4118 Gs

Coating

[NiCuNi] Nickel

view parameters »

84.45 ZŁ with VAT / pcs + price for transport

68.66 ZŁ net + 23% VAT / pcs

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Technical details - MW 45x20 / N38 - cylindrical magnet

Specification / characteristics - MW 45x20 / N38 - cylindrical magnet

properties

properties	values
Cat. no.	010071
GTIN/EAN	5906301810704
Production/Distribution	Dhit sp. z o.o. ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin	Poland / China / Germany
Customs code	85059029
Diameter Ø	45 mm [±0,1 mm]
Height	20 mm [±0,1 mm]
Weight	238.56 g
Magnetization Direction	↑ axial
Load capacity ~ ?	60.94 kg / 597.79 N
Magnetic Induction ~ ?	411.81 mT / 4118 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 45x20 / N38 - cylindrical magnet

properties	values	units
remenance Br [min. - max.] ?	12.2-12.6	kGs
remenance Br [min. - max.] ?	1220-1260	mT
coercivity bHc ?	10.8-11.5	kOe
coercivity bHc ?	860-915	kA/m
actual internal force iHc	≥ 12	kOe
actual internal force iHc	≥ 955	kA/m
energy density [min. - max.] ?	36-38	BH max MGOe
energy density [min. - max.] ?	287-303	BH max KJ/m
max. temperature ?	≤ 80	°C

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

properties	values	units
Vickers hardness	≥550	Hv
Density	≥7.4	g/cm³
Curie Temperature TC	312 - 380	°C
Curie Temperature TF	593 - 716	°F
Specific resistance	150	μΩ⋅cm
Bending strength	250	MPa
Compressive strength	1000~1100	MPa
Thermal expansion parallel (∥) to orientation (M)	(3-4) x 10^-6	°C^-1
Thermal expansion perpendicular (⊥) to orientation (M)	-(1-3) x 10^-6	°C^-1
Young's modulus	1.7 x 10⁴	kg/mm²

Engineering modeling of the assembly - data

These values are the direct effect of a physical calculation. Results were calculated on models for the material Nd₂Fe₁₄B. Actual parameters may differ. Use these data as a reference point when designing systems.

Table 1: Static force (force vs gap) - characteristics
MW 45x20 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	4117 Gs 411.7 mT	60.94 kg / 134.35 LBS 60940.0 g / 597.8 N	dangerous!
1 mm	3955 Gs 395.5 mT	56.23 kg / 123.96 LBS 56228.7 g / 551.6 N	dangerous!
2 mm	3786 Gs 378.6 mT	51.51 kg / 113.57 LBS 51512.3 g / 505.3 N	dangerous!
3 mm	3613 Gs 361.3 mT	46.91 kg / 103.42 LBS 46911.0 g / 460.2 N	dangerous!
5 mm	3263 Gs 326.3 mT	38.28 kg / 84.40 LBS 38282.6 g / 375.6 N	dangerous!
10 mm	2442 Gs 244.2 mT	21.43 kg / 47.26 LBS 21434.6 g / 210.3 N	dangerous!
15 mm	1776 Gs 177.6 mT	11.34 kg / 25.00 LBS 11340.0 g / 111.2 N	dangerous!
20 mm	1285 Gs 128.5 mT	5.93 kg / 13.08 LBS 5932.8 g / 58.2 N	medium risk
30 mm	694 Gs 69.4 mT	1.73 kg / 3.82 LBS 1730.8 g / 17.0 N	weak grip
50 mm	249 Gs 24.9 mT	0.22 kg / 0.49 LBS 222.3 g / 2.2 N	weak grip

Pulling power weakens significantly per each millimeter of gap. Note that even a microscopic distance (e.g., contamination, paint, dust) strongly diminishes the holding power. Neodymiums work optimally in perfect adhesion; distance drastically cuts the power. See how quickly the pull force fall, when the product does not touch tightly to the metal substrate. When designing the assembly, discard redundant distances.

Table 2: Slippage load (vertical surface)
MW 45x20 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	12.19 kg / 26.87 LBS 12188.0 g / 119.6 N
1 mm	Stal (~0.2)	11.25 kg / 24.79 LBS 11246.0 g / 110.3 N
2 mm	Stal (~0.2)	10.30 kg / 22.71 LBS 10302.0 g / 101.1 N
3 mm	Stal (~0.2)	9.38 kg / 20.68 LBS 9382.0 g / 92.0 N
5 mm	Stal (~0.2)	7.66 kg / 16.88 LBS 7656.0 g / 75.1 N
10 mm	Stal (~0.2)	4.29 kg / 9.45 LBS 4286.0 g / 42.0 N
15 mm	Stal (~0.2)	2.27 kg / 5.00 LBS 2268.0 g / 22.2 N
20 mm	Stal (~0.2)	1.19 kg / 2.61 LBS 1186.0 g / 11.6 N
30 mm	Stal (~0.2)	0.35 kg / 0.76 LBS 346.0 g / 3.4 N
50 mm	Stal (~0.2)	0.04 kg / 0.10 LBS 44.0 g / 0.4 N

The table below shows the theoretical weight limit required to start the sliding of the magnet down on a vertical steel wall (considering typical friction coefficient). The holding force depends on the gap size between the magnet and the metal.

Table 3: Vertical assembly (shearing) - vertical pull
MW 45x20 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	18.28 kg / 40.30 LBS 18282.0 g / 179.3 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	12.19 kg / 26.87 LBS 12188.0 g / 119.6 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	6.09 kg / 13.43 LBS 6094.0 g / 59.8 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	30.47 kg / 67.17 LBS 30470.0 g / 298.9 N

When mounting a magnet on a vertical plane (e.g., a car body), it will only hold only approx. 1/5 of its nominal power. Gravity as well as a low friction coefficient mean that products slide down faster than they pop off the substrate. Planning a hanger? Consider that the sliding force is noticeably lower than the maximum static pull force. On a smooth steel, the element will slide down under a noticeably lighter load. Using a rubber coating can effectively improve the result.

Table 4: Steel thickness (saturation) - power losses
MW 45x20 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	3%	2.03 kg / 4.48 LBS 2031.3 g / 19.9 N
1 mm	8%	5.08 kg / 11.20 LBS 5078.3 g / 49.8 N
2 mm	17%	10.16 kg / 22.39 LBS 10156.7 g / 99.6 N
3 mm	25%	15.24 kg / 33.59 LBS 15235.0 g / 149.5 N
5 mm	42%	25.39 kg / 55.98 LBS 25391.7 g / 249.1 N
10 mm	83%	50.78 kg / 111.96 LBS 50783.3 g / 498.2 N
11 mm	92%	55.86 kg / 123.15 LBS 55861.7 g / 548.0 N
12 mm	100%	60.94 kg / 134.35 LBS 60940.0 g / 597.8 N

A thin metal plate is unable to conduct the entire magnetic field, which squanders power of the magnet. If you attach a powerful product to a thin surface, the flux will penetrate right through and the pull force will drop sharply. To utilize the maximum of this neodymium's potential, you need a suitably thick piece of steel. The saturation phenomenon means that on delicate walls (e.g., thin profiles), the magnet works worse. We recommend selecting the steel thickness based on the following data.

Table 5: Thermal stability (material behavior) - thermal limit
MW 45x20 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	60.94 kg / 134.35 LBS 60940.0 g / 597.8 N	OK
40 °C	-2.2%	59.60 kg / 131.39 LBS 59599.3 g / 584.7 N	OK
60 °C	-4.4%	58.26 kg / 128.44 LBS 58258.6 g / 571.5 N
80 °C	-6.6%	56.92 kg / 125.48 LBS 56918.0 g / 558.4 N
100 °C	-28.8%	43.39 kg / 95.66 LBS 43389.3 g / 425.6 N

Standard neodymium magnets lose parameters after exceeding the maximum temperature. Protect against heat – high temperature can permanently destroy this magnet. With every degree above norm, the neodymium's capacity temporarily decreases. Do not use this product in hot environments exceeding its operating temperature limit. Exceeding the critical threshold will cause destruction of magnetism.

*Technical advisory: Thermal stability is determined by both grade, but also on the magnet's shape. Low-profile magnets (low permeance coefficient) risk losing magnetic properties sooner compared to rod magnets. Warning indicator in the table indicates a risk of irreversible loss for this specific geometry.

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MW 45x20 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Sliding Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	166.23 kg / 366.47 LBS 5 401 Gs	24.93 kg / 54.97 LBS 24934 g / 244.6 N	N/A
1 mm	159.87 kg / 352.45 LBS 8 076 Gs	23.98 kg / 52.87 LBS 23980 g / 235.2 N	143.88 kg / 317.20 LBS ~0 Gs
2 mm	153.38 kg / 338.14 LBS 7 910 Gs	23.01 kg / 50.72 LBS 23007 g / 225.7 N	138.04 kg / 304.33 LBS ~0 Gs
3 mm	146.92 kg / 323.90 LBS 7 742 Gs	22.04 kg / 48.58 LBS 22038 g / 216.2 N	132.23 kg / 291.51 LBS ~0 Gs
5 mm	134.19 kg / 295.83 LBS 7 399 Gs	20.13 kg / 44.37 LBS 20128 g / 197.5 N	120.77 kg / 266.25 LBS ~0 Gs
10 mm	104.43 kg / 230.22 LBS 6 527 Gs	15.66 kg / 34.53 LBS 15664 g / 153.7 N	93.98 kg / 207.20 LBS ~0 Gs
20 mm	58.47 kg / 128.90 LBS 4 884 Gs	8.77 kg / 19.34 LBS 8770 g / 86.0 N	52.62 kg / 116.01 LBS ~0 Gs
50 mm	8.61 kg / 18.98 LBS 1 874 Gs	1.29 kg / 2.85 LBS 1291 g / 12.7 N	7.75 kg / 17.08 LBS ~0 Gs
60 mm	4.72 kg / 10.41 LBS 1 388 Gs	0.71 kg / 1.56 LBS 708 g / 6.9 N	4.25 kg / 9.37 LBS ~0 Gs
70 mm	2.68 kg / 5.91 LBS 1 046 Gs	0.40 kg / 0.89 LBS 402 g / 3.9 N	2.41 kg / 5.32 LBS ~0 Gs
80 mm	1.58 kg / 3.48 LBS 803 Gs	0.24 kg / 0.52 LBS 237 g / 2.3 N	1.42 kg / 3.14 LBS ~0 Gs
90 mm	0.96 kg / 2.12 LBS 627 Gs	0.14 kg / 0.32 LBS 145 g / 1.4 N	0.87 kg / 1.91 LBS ~0 Gs
100 mm	0.61 kg / 1.34 LBS 497 Gs	0.09 kg / 0.20 LBS 91 g / 0.9 N	0.55 kg / 1.20 LBS ~0 Gs

Two strong neodymiums interact from a much further distance than a magnet and sheet setup. The connection of two magnets creates a more powerful interaction and a wider radius of performance. Want to build a strong closure? Apply two magnets instead of one magnet and a steel. Exercise caution that when bringing together two magnets, the collision energy is massive. The repulsion force is a bit weaker than the connection force, but still significant.
*Field value for N-N configuration reaches ~0 Gs at the midpoint of the gap (caused by magnetic field nullification).
Important: Figures apply to sliding force of dual matching magnets (friction ~0.15 for Ni-Ni layer).

Table 7: Hazards (implants) - warnings
MW 45x20 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	22.5 cm
Hearing aid	10 Gs (1.0 mT)	17.5 cm
Timepiece	20 Gs (2.0 mT)	14.0 cm
Phone / Smartphone	40 Gs (4.0 mT)	10.5 cm
Remote	50 Gs (5.0 mT)	10.0 cm
Payment card	400 Gs (40.0 mT)	4.5 cm
HDD hard drive	600 Gs (60.0 mT)	3.5 cm

Extremely neodym field is a large risk to IT equipment and medical implants. These magnets generate a field that prevents correct functioning of digital equipment. Remember: the unseen radiation penetrates the body and housings. Exceptional care must be exercised by people with cochlear implants and insulin pumps. The risk also applies to: automatic timepieces, remotes, membranes, and screens. Avoid contact with magnetic cards, hard drives, or precise measuring instruments.

Table 8: Collisions (cracking risk) - warning
MW 45x20 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	19.34 km/h (5.37 m/s)	3.44 J
30 mm	28.41 km/h (7.89 m/s)	7.43 J
50 mm	36.12 km/h (10.03 m/s)	12.01 J
100 mm	50.98 km/h (14.16 m/s)	23.92 J

Magnetic elements are prone to chipping – a collision with steel risks their cracking. Watch the impact speed – a magnet released freely becomes dangerous. Striking energy can trigger coating fragments or dangerous crushing to skin. Hold the magnet firmly during installation so it doesn't slam with momentum against the steel surface. A collision at high speed means shattering of the magnet. Wear safety glasses when working with powerful specimens.

Table 9: Corrosion resistance
MW 45x20 / 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: Electrical data (Flux)
MW 45x20 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	66 952 Mx	669.5 µWb
P_c Coefficient	0.54	Low (Flat)

Total magnetic flux emitted by the pole surface. Key data for generator designers and motors. The P_c coefficient determines the working geometry.

Table 11: Physics of underwater searching
MW 45x20 / N38

Environment	Effective steel pull	Effect
Air (land)	60.94 kg	Standard
Water (riverbed)	69.78 kg (+8.84 kg buoyancy gain)	+14.5%

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

In water, the magnet feels stronger thanks to Archimedes' principle. However, remember the water resistance when pulling the rope quickly.

1. Shear force

*Caution: On a vertical wall, the magnet holds merely ~20% of its perpendicular strength.

2. Efficiency vs thickness

*Thin steel (e.g. 0.5mm PC case) severely weakens the holding force.

3. Heat tolerance

*For standard magnets, the max working temp is 80°C.

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.54

The chart above illustrates the magnetic characteristics of the material within the second quadrant of the hysteresis loop. The solid red line represents the demagnetization curve (material potential), while the dashed blue line is the load line based on the magnet's geometry. The P_c (Permeance Coefficient), also known as the load line slope, is a dimensionless value that describes the relationship between the magnet's shape and its magnetic stability. The intersection of these two lines (the black dot) is the operating point — it determines the actual magnetic flux density generated by the magnet in this specific configuration. A higher P_c value means the magnet is more 'slender' (tall relative to its area), resulting in a higher operating point and better resistance to irreversible demagnetization caused by external fields or temperature. A value of 0.42 is relatively low (typical for flat magnets), meaning the operating point is closer to the 'knee' of the curve — caution is advised when operating at temperatures near the maximum limit to avoid strength loss.

Engineering data and GPSR

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%

Ecology and recycling (GPSR)

recyclability (EoL)	100%
recycled raw materials	~10% (pre-cons)
carbon footprint	low / zredukowany
waste code (EWC)	16 02 16

Safety card (GPSR)

responsible entity

Dhit sp. z o.o.

ul. Kościuszki 6A, 05-850 Ożarów Mazowiecki

tel: +48 22 499 98 98 | e-mail: bok@dhit.pl

batch number/type

id: 010071-2026

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The presented product is a very strong cylinder magnet, made from advanced NdFeB material, which, at dimensions of Ø45x20 mm, guarantees optimal power. The MW 45x20 / N38 model features a tolerance of ±0.1mm and industrial build quality, making it an excellent solution for professional engineers and designers. As a magnetic rod with significant force (approx. 60.94 kg), this product is in stock from our European logistics center, ensuring quick order fulfillment. Additionally, its Ni-Cu-Ni coating shields it against corrosion in standard operating conditions, guaranteeing an aesthetic appearance and durability for years.

It finds application in modeling, advanced robotics, and broadly understood industry, serving as a fastening or actuating element. Thanks to the high power of 597.79 N with a weight of only 238.56 g, this rod is indispensable in electronics and wherever low weight is crucial.

Due to the delicate structure of the ceramic sinter, we absolutely advise against force-fitting (so-called press-fit), as this risks chipping the coating of this professional component. To ensure stability in automation, specialized industrial adhesives are used, which are safe for nickel and fill the gap, guaranteeing durability of the connection.

Magnets NdFeB grade N38 are suitable for 90% of applications in modeling and machine building, where excessive miniaturization with maximum force is not required. If you need even stronger magnets in the same volume (Ø45x20), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard available off-the-shelf in our warehouse.

This model is characterized by dimensions Ø45x20 mm, which, at a weight of 238.56 g, makes it an element with high magnetic energy density. The value of 597.79 N means that the magnet is capable of holding a weight many times exceeding its own mass of 238.56 g. The product has a [NiCuNi] coating, which protects the surface against external factors, giving it an aesthetic, silvery shine.

This cylinder is magnetized axially (along the height of 20 mm), which means that the N and S poles are located on the flat, circular surfaces. Such an arrangement is most desirable when connecting magnets in stacks (e.g., in filters) or when mounting in sockets at the bottom of a hole. On request, we can also produce versions magnetized diametrically if your project requires it.

Advantages and disadvantages of Nd₂Fe₁₄B magnets.

Advantages

Besides their magnetic performance, neodymium magnets are valued for these benefits:

Their power is maintained, and after around 10 years it drops only by ~1% (according to research),
They do not lose their magnetic properties even under external field action,
Thanks to the metallic finish, the coating of nickel, gold, or silver gives an modern appearance,
Magnetic induction on the top side of the magnet turns out to be exceptional,
Through (adequate) combination of ingredients, they can achieve high thermal strength, allowing for functioning at temperatures reaching 230°C and above...
In view of the option of flexible molding and customization to unique needs, magnetic components can be modeled in a broad palette of geometric configurations, which increases their versatility,
Huge importance in advanced technology sectors – they are utilized in data components, electric motors, medical devices, and complex engineering applications.
Thanks to concentrated force, small magnets offer high operating force, occupying minimum space,

Weaknesses

Disadvantages of NdFeB magnets:

They are fragile upon too strong impacts. To avoid cracks, it is worth securing magnets using a steel holder. Such protection not only protects the magnet but also improves its resistance to damage
When exposed to high temperature, neodymium magnets experience a drop in power. Often, when the temperature exceeds 80°C, their power decreases (depending on the size, as well as shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
When exposed to humidity, magnets usually rust. For applications outside, it is recommended to use protective magnets, such as those in rubber or plastics, which prevent oxidation as well as corrosion.
Due to limitations in creating threads and complex forms in magnets, we propose using cover - magnetic mount.
Possible danger resulting from small fragments of magnets pose a threat, if swallowed, which is particularly important in the context of child safety. Additionally, small elements of these products can complicate diagnosis medical in case of swallowing.
Due to expensive raw materials, their price is relatively high,

Holding force characteristics

Optimal lifting capacity of a neodymium magnet – what affects it?

Magnet power was defined for ideal contact conditions, assuming:

on a plate made of mild steel, perfectly concentrating the magnetic field
possessing a thickness of minimum 10 mm to avoid saturation
with a surface free of scratches
without the slightest insulating layer between the magnet and steel
during pulling in a direction vertical to the plane
at room temperature

Practical lifting capacity: influencing factors

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

Space between surfaces – even a fraction of a millimeter of distance (caused e.g. by varnish or unevenness) significantly weakens the pulling force, often by half at just 0.5 mm.
Pull-off angle – note that the magnet has greatest strength perpendicularly. Under shear forces, the capacity drops significantly, often to levels of 20-30% of the maximum value.
Substrate thickness – for full efficiency, the steel must be adequately massive. Thin sheet restricts the attraction force (the magnet "punches through" it).
Plate material – low-carbon steel gives the best results. Higher carbon content lower magnetic properties and lifting capacity.
Base smoothness – the smoother and more polished the surface, the larger the contact zone and stronger the hold. Unevenness acts like micro-gaps.
Heat – NdFeB sinters have a sensitivity to temperature. When it is hot they lose power, and in frost gain strength (up to a certain limit).

Holding force was checked on the plate surface of 20 mm thickness, when a perpendicular force was applied, whereas under parallel forces the load capacity is reduced by as much as fivefold. Moreover, even a slight gap between the magnet and the plate decreases the holding force.

H&S for magnets

GPS Danger

Navigation devices and smartphones are extremely susceptible to magnetism. Close proximity with a strong magnet can decalibrate the sensors in your phone.

Demagnetization risk

Control the heat. Exposing the magnet to high heat will ruin its magnetic structure and pulling force.

Sensitization to coating

It is widely known that nickel (the usual finish) is a strong allergen. If you have an allergy, refrain from touching magnets with bare hands or choose encased magnets.

ICD Warning

Warning for patients: Powerful magnets affect medical devices. Maintain at least 30 cm distance or request help to work with the magnets.

Shattering risk

Neodymium magnets are sintered ceramics, meaning they are fragile like glass. Collision of two magnets leads to them shattering into small pieces.

Handling guide

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

Product not for children

Always store magnets away from children. Choking hazard is high, and the effects of magnets clamping inside the body are fatal.

Serious injuries

Watch your fingers. Two powerful magnets will join instantly with a force of several hundred kilograms, crushing everything in their path. Exercise extreme caution!

Protect data

Avoid bringing magnets close to a purse, computer, or screen. The magnetic field can irreversibly ruin these devices and wipe information from cards.

Dust explosion hazard

Dust generated during machining of magnets is self-igniting. Avoid drilling into magnets without proper cooling and knowledge.

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

MW 45x20 / N38 - cylindrical magnet

Technical details - MW 45x20 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Engineering modeling of the assembly - data

Table 1: Static force (force vs gap) - characteristics MW 45x20 / N38

Table 2: Slippage load (vertical surface) MW 45x20 / N38

Table 3: Vertical assembly (shearing) - vertical pull MW 45x20 / N38

Table 4: Steel thickness (saturation) - power losses MW 45x20 / N38

Table 5: Thermal stability (material behavior) - thermal limit MW 45x20 / N38

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system MW 45x20 / N38

Table 7: Hazards (implants) - warnings MW 45x20 / N38

Table 8: Collisions (cracking risk) - warning MW 45x20 / N38

Table 9: Corrosion resistance MW 45x20 / N38

Table 10: Electrical data (Flux) MW 45x20 / N38

Table 11: Physics of underwater searching MW 45x20 / N38

1. Shear force

2. Efficiency vs thickness

3. Heat tolerance

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

Elemental analysis

Ecology and recycling (GPSR)

Magnet pull force

Magnetic Induction

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Advantages and disadvantages of Nd2Fe14B magnets.

Advantages

Weaknesses

Holding force characteristics

Optimal lifting capacity of a neodymium magnet – what affects it?

Practical lifting capacity: influencing factors

H&S for magnets

GPS Danger

Demagnetization risk

Sensitization to coating

ICD Warning

Shattering risk

Handling guide

Product not for children

Serious injuries

Protect data

Dust explosion hazard

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static force (force vs gap) - characteristics
MW 45x20 / N38

Table 2: Slippage load (vertical surface)
MW 45x20 / N38

Table 3: Vertical assembly (shearing) - vertical pull
MW 45x20 / N38

Table 4: Steel thickness (saturation) - power losses
MW 45x20 / N38

Table 5: Thermal stability (material behavior) - thermal limit
MW 45x20 / N38

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MW 45x20 / N38

Table 7: Hazards (implants) - warnings
MW 45x20 / N38

Table 8: Collisions (cracking risk) - warning
MW 45x20 / N38

Table 9: Corrosion resistance
MW 45x20 / N38

Table 10: Electrical data (Flux)
MW 45x20 / N38

Table 11: Physics of underwater searching
MW 45x20 / N38

Advantages and disadvantages of Nd₂Fe₁₄B magnets.