Product available Ships today (order by 14:00)

MW 70x50 / 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 010496

GTIN/EAN: 5906301811145

Diameter Ø

70 mm [±0,1 mm]

Height

50 mm [±0,1 mm]

Weight

1443.17 g

Magnetization Direction

↑ axial

Load capacity

168.21 kg / 1650.14 N

Magnetic Induction

507.83 mT / 5078 Gs

Coating

[NiCuNi] Nickel

technical specifications »

516.60 ZŁ with VAT / pcs + price for transport

420.00 ZŁ net + 23% VAT / pcs

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Detailed specification - MW 70x50 / N38 - cylindrical magnet

Specification / characteristics - MW 70x50 / N38 - cylindrical magnet

properties

properties	values
Cat. no.	010496
GTIN/EAN	5906301811145
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	70 mm [±0,1 mm]
Height	50 mm [±0,1 mm]
Weight	1443.17 g
Magnetization Direction	↑ axial
Load capacity ~ ?	168.21 kg / 1650.14 N
Magnetic Induction ~ ?	507.83 mT / 5078 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 70x50 / 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 analysis of the assembly - data

Presented data constitute the result of a mathematical analysis. Results were calculated on algorithms for the class Nd₂Fe₁₄B. Actual performance may differ. Use these calculations as a supplementary guide during assembly planning.

Table 1: Static pull force (pull vs distance) - power drop
MW 70x50 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	5078 Gs 507.8 mT	168.21 kg / 370.84 LBS 168210.0 g / 1650.1 N	critical level
1 mm	4935 Gs 493.5 mT	158.88 kg / 350.26 LBS 158876.4 g / 1558.6 N	critical level
2 mm	4790 Gs 479.0 mT	149.67 kg / 329.96 LBS 149666.1 g / 1468.2 N	critical level
3 mm	4644 Gs 464.4 mT	140.71 kg / 310.21 LBS 140708.8 g / 1380.4 N	critical level
5 mm	4354 Gs 435.4 mT	123.67 kg / 272.64 LBS 123667.4 g / 1213.2 N	critical level
10 mm	3652 Gs 365.2 mT	87.02 kg / 191.84 LBS 87016.1 g / 853.6 N	critical level
15 mm	3017 Gs 301.7 mT	59.37 kg / 130.88 LBS 59366.6 g / 582.4 N	critical level
20 mm	2469 Gs 246.9 mT	39.78 kg / 87.70 LBS 39781.3 g / 390.3 N	critical level
30 mm	1645 Gs 164.5 mT	17.66 kg / 38.93 LBS 17659.3 g / 173.2 N	critical level
50 mm	773 Gs 77.3 mT	3.89 kg / 8.59 LBS 3895.0 g / 38.2 N	warning

Grip strength decreases drastically with every mm of spacing. Note that even the smallest gap (e.g., dirt, paint, rust) noticeably weakens the grip. Neodymiums hold strongest in perfect adhesion; gap weakens the power. Analyze how quickly the parameters drop, when the product does not touch flatly to the metal substrate. When designing the assembly, eliminate redundant distances.

Table 2: Shear hold (vertical surface)
MW 70x50 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	33.64 kg / 74.17 LBS 33642.0 g / 330.0 N
1 mm	Stal (~0.2)	31.78 kg / 70.05 LBS 31776.0 g / 311.7 N
2 mm	Stal (~0.2)	29.93 kg / 65.99 LBS 29934.0 g / 293.7 N
3 mm	Stal (~0.2)	28.14 kg / 62.04 LBS 28142.0 g / 276.1 N
5 mm	Stal (~0.2)	24.73 kg / 54.53 LBS 24734.0 g / 242.6 N
10 mm	Stal (~0.2)	17.40 kg / 38.37 LBS 17404.0 g / 170.7 N
15 mm	Stal (~0.2)	11.87 kg / 26.18 LBS 11874.0 g / 116.5 N
20 mm	Stal (~0.2)	7.96 kg / 17.54 LBS 7956.0 g / 78.0 N
30 mm	Stal (~0.2)	3.53 kg / 7.79 LBS 3532.0 g / 34.6 N
50 mm	Stal (~0.2)	0.78 kg / 1.72 LBS 778.0 g / 7.6 N

This section indicates the theoretical force necessary to cause the slippage of the magnet downwards on a vertical steel plate (assuming standard friction). The holding force depends on the air gap between the magnet and the surface.

Table 3: Wall mounting (shearing) - behavior on slippery surfaces
MW 70x50 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	50.46 kg / 111.25 LBS 50463.0 g / 495.0 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	33.64 kg / 74.17 LBS 33642.0 g / 330.0 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	16.82 kg / 37.08 LBS 16821.0 g / 165.0 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	84.11 kg / 185.42 LBS 84105.0 g / 825.1 N

When hanging a magnet on a upright wall (e.g., a board), it will maintain only about 20%-30% of nominal attraction strength. Gravity and a low friction coefficient mean that holders move down faster than they pull off. Planning a wall mount? Consider that the sliding force is significantly lower than the perpendicular breakaway force. On a smooth steel, the element will give way down under a significantly smaller weight. Using a rubber pad can significantly increase the grip.

Table 4: Material efficiency (saturation) - sheet metal selection
MW 70x50 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	3%	5.61 kg / 12.36 LBS 5607.0 g / 55.0 N
1 mm	8%	14.02 kg / 30.90 LBS 14017.5 g / 137.5 N
2 mm	17%	28.03 kg / 61.81 LBS 28035.0 g / 275.0 N
3 mm	25%	42.05 kg / 92.71 LBS 42052.5 g / 412.5 N
5 mm	42%	70.09 kg / 154.52 LBS 70087.5 g / 687.6 N
10 mm	83%	140.18 kg / 309.03 LBS 140175.0 g / 1375.1 N
11 mm	92%	154.19 kg / 339.94 LBS 154192.5 g / 1512.6 N
12 mm	100%	168.21 kg / 370.84 LBS 168210.0 g / 1650.1 N

A thin metal plate is not enough to conduct the full magnetic flux, which wastes potential of the magnet. Should you install a neodymium to a thin surface, the flux will penetrate right through and the pull force will drop sharply. To squeeze 100% of this magnet's potential, you require a sufficiently solid backing of metal. The material oversaturation causes that on thin elements (e.g., thin profiles), the magnet works worse. We suggest choosing the steel cross-section based on the following data.

Table 5: Thermal resistance (material behavior) - power drop
MW 70x50 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	168.21 kg / 370.84 LBS 168210.0 g / 1650.1 N	OK
40 °C	-2.2%	164.51 kg / 362.68 LBS 164509.4 g / 1613.8 N	OK
60 °C	-4.4%	160.81 kg / 354.52 LBS 160808.8 g / 1577.5 N	OK
80 °C	-6.6%	157.11 kg / 346.36 LBS 157108.1 g / 1541.2 N
100 °C	-28.8%	119.77 kg / 264.04 LBS 119765.5 g / 1174.9 N

Ordinary NdFeB products change their properties parameters after exceeding the maximum temperature. Protect against heat – heat can irreversibly demagnetize this magnet. As the temperature rises, the magnet's force momentarily decreases. Refrain from using this product in hot environments higher than its working range. Too high temperature will cause destruction of magnetism.

*Technical advisory: Heat tolerance depends not only on the material grade, as well as the dimension ratios. Thin magnets (low permeance coefficient) are more susceptible to demagnetization sooner than long magnets. Red status in the table indicates a risk of irreversible loss for this specific geometry.

Table 6: Magnet-Magnet interaction (attraction) - field collision
MW 70x50 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Shear Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	611.75 kg / 1348.67 LBS 5 850 Gs	91.76 kg / 202.30 LBS 91762 g / 900.2 N	N/A
1 mm	594.86 kg / 1311.43 LBS 10 014 Gs	89.23 kg / 196.72 LBS 89229 g / 875.3 N	535.37 kg / 1180.29 LBS ~0 Gs
2 mm	577.80 kg / 1273.84 LBS 9 870 Gs	86.67 kg / 191.08 LBS 86670 g / 850.2 N	520.02 kg / 1146.45 LBS ~0 Gs
3 mm	560.95 kg / 1236.68 LBS 9 725 Gs	84.14 kg / 185.50 LBS 84142 g / 825.4 N	504.85 kg / 1113.01 LBS ~0 Gs
5 mm	527.90 kg / 1163.81 LBS 9 434 Gs	79.18 kg / 174.57 LBS 79184 g / 776.8 N	475.11 kg / 1047.43 LBS ~0 Gs
10 mm	449.75 kg / 991.54 LBS 8 708 Gs	67.46 kg / 148.73 LBS 67463 g / 661.8 N	404.78 kg / 892.38 LBS ~0 Gs
20 mm	316.46 kg / 697.68 LBS 7 304 Gs	47.47 kg / 104.65 LBS 47469 g / 465.7 N	284.81 kg / 627.91 LBS ~0 Gs
50 mm	96.30 kg / 212.30 LBS 4 029 Gs	14.44 kg / 31.85 LBS 14445 g / 141.7 N	86.67 kg / 191.07 LBS ~0 Gs
60 mm	64.22 kg / 141.59 LBS 3 291 Gs	9.63 kg / 21.24 LBS 9634 g / 94.5 N	57.80 kg / 127.43 LBS ~0 Gs
70 mm	43.17 kg / 95.18 LBS 2 698 Gs	6.48 kg / 14.28 LBS 6476 g / 63.5 N	38.86 kg / 85.66 LBS ~0 Gs
80 mm	29.36 kg / 64.73 LBS 2 225 Gs	4.40 kg / 9.71 LBS 4404 g / 43.2 N	26.43 kg / 58.26 LBS ~0 Gs
90 mm	20.25 kg / 44.63 LBS 1 847 Gs	3.04 kg / 6.69 LBS 3037 g / 29.8 N	18.22 kg / 40.17 LBS ~0 Gs
100 mm	14.17 kg / 31.23 LBS 1 545 Gs	2.12 kg / 4.68 LBS 2125 g / 20.8 N	12.75 kg / 28.11 LBS ~0 Gs

Two strong neodymiums attract each other from a wider radius than a magnet and steel setup. The connection of two magnets generates a stronger field and a further horizon of operation. Designing a powerful holder? Use a pair of magnets instead of a neodymium and a striker plate. Exercise caution that when connecting a pair of magnets, the impact force is extreme. The repulsion force is marginally weaker than the attraction, but still large.
*The magnetic induction for N-N configuration drops to ~0 Gs at the geometric center of the gap (caused by magnetic field nullification).
Note: Results apply to shear force of dual same neodymium magnets (friction ~0.15 for Ni-Ni layer).

Table 7: Hazards (implants) - precautionary measures
MW 70x50 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	40.0 cm
Hearing aid	10 Gs (1.0 mT)	31.5 cm
Mechanical watch	20 Gs (2.0 mT)	24.5 cm
Phone / Smartphone	40 Gs (4.0 mT)	19.0 cm
Car key	50 Gs (5.0 mT)	17.5 cm
Payment card	400 Gs (40.0 mT)	7.5 cm
HDD hard drive	600 Gs (60.0 mT)	6.0 cm

Extremely neodym field is a large risk to electronic devices and pacemakers. These neodymiums produce a flux that destroys function of sensitive medical devices. Be aware: the unseen radiation penetrates the body and glass. Special caution must be exercised by people with cochlear implants and drug dispensers. The risk also applies to: mechanical watches, remotes, membranes, and displays. Do not bring the product near payment cards, hard drives, or precise measuring instruments.

Table 8: Impact energy (kinetic energy) - warning
MW 70x50 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	13.97 km/h (3.88 m/s)	10.87 J
30 mm	20.06 km/h (5.57 m/s)	22.40 J
50 mm	24.70 km/h (6.86 m/s)	33.96 J
100 mm	34.46 km/h (9.57 m/s)	66.12 J

Neodymium magnets are prone to chipping – a strong collision with metal causes immediate chipping. Pay attention to connection velocity – a magnet released freely becomes dangerous. Striking energy can cause material chips or painful pinches to fingers. Hold the magnet firmly during bringing near metal so it doesn't slam with momentum against the metal. A contact at a velocity of dozens of km/h ends with a crack of the neodymium. Wear safety glasses when working with powerful specimens.

Table 9: Anti-corrosion coating durability
MW 70x50 / 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. The silver nickel coating also serves an aesthetic function but is not fully waterproof.

Table 10: Construction data (Flux)
MW 70x50 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	197 145 Mx	1971.5 µWb
P_c Coefficient	0.74	High (Stable)

Total magnetic flux passing through the magnet pole. Key data in coil applications as well as sensors. The P_c coefficient determines the magnet's operating point.

Table 11: Underwater work (magnet fishing)
MW 70x50 / N38

Environment	Effective steel pull	Effect
Air (land)	168.21 kg	Standard
Water (riverbed)	192.60 kg (+24.39 kg buoyancy gain)	+14.5%

Rust risk: Remember to wipe the magnet thoroughly after removing it from water and apply a protective layer (e.g., oil) to avoid corrosion.

In water, the magnet feels stronger thanks to Archimedes' principle. Note: for permanent underwater work, we recommend magnets with an anti-corrosive (epoxy) coating.

1. Shear force

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

2. Plate thickness effect

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

3. Thermal stability

*For N38 material, 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) = 0.74

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

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%

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: 010496-2026

Measurement Calculator

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Newtons (N)

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The presented product is an exceptionally strong cylinder magnet, manufactured from modern NdFeB material, which, with dimensions of Ø70x50 mm, guarantees optimal power. This specific item is characterized by an accuracy of ±0.1mm and professional build quality, making it an ideal solution for the most demanding engineers and designers. As a magnetic rod with impressive force (approx. 168.21 kg), this product is available off-the-shelf from our warehouse in Poland, ensuring rapid order fulfillment. Additionally, its triple-layer Ni-Cu-Ni coating shields it against corrosion in typical operating conditions, guaranteeing an aesthetic appearance and durability for years.

This model is created for building generators, advanced Hall effect sensors, and efficient magnetic separators, where maximum induction on a small surface counts. Thanks to the pull force of 1650.14 N with a weight of only 1443.17 g, this cylindrical magnet is indispensable in electronics and wherever every gram matters.

Due to the delicate structure of the ceramic sinter, you must not use force-fitting (so-called press-fit), as this risks immediate cracking of this professional component. To ensure long-term durability in automation, specialized industrial adhesives are used, which do not react with the nickel coating and fill the gap, guaranteeing durability of the connection.

Grade N38 is the most frequently chosen standard for professional neodymium magnets, offering an optimal price-to-power ratio and high resistance to demagnetization. If you need the strongest magnets in the same volume (Ø70x50), 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 Ø70x50 mm, which, at a weight of 1443.17 g, makes it an element with impressive magnetic energy density. The value of 1650.14 N means that the magnet is capable of holding a weight many times exceeding its own mass of 1443.17 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 50 mm), which means that the N and S poles are located on the flat, circular surfaces. Thanks to this, the magnet can be easily glued into a hole and achieve a strong field on the front surface. On request, we can also produce versions magnetized diametrically if your project requires it.

Strengths and weaknesses of Nd₂Fe₁₄B magnets.

Benefits

In addition to their pulling strength, neodymium magnets provide the following advantages:

They virtually do not lose strength, because even after 10 years the decline in efficiency is only ~1% (in laboratory conditions),
They have excellent resistance to weakening of magnetic properties when exposed to opposing magnetic fields,
By using a smooth coating of nickel, the element has an elegant look,
The surface of neodymium magnets generates a maximum magnetic field – this is one of their assets,
Through (appropriate) combination of ingredients, they can achieve high thermal strength, allowing for operation at temperatures approaching 230°C and above...
Thanks to versatility in forming and the capacity to customize to individual projects,
Universal use in future technologies – they are utilized in mass storage devices, electric motors, medical equipment, also industrial machines.
Relatively small size with high pulling force – neodymium magnets offer high power in compact dimensions, which makes them useful in small systems

Cons

Disadvantages of NdFeB magnets:

To avoid cracks under impact, we recommend using special steel holders. Such a solution secures the magnet and simultaneously improves its durability.
When exposed to high temperature, neodymium magnets suffer a drop in force. Often, when the temperature exceeds 80°C, their strength 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
Due to the susceptibility of magnets to corrosion in a humid environment, we suggest using waterproof magnets made of rubber, plastic or other material stable to moisture, when using outdoors
Due to limitations in realizing nuts and complex forms in magnets, we recommend using cover - magnetic mechanism.
Potential hazard related to microscopic parts of magnets are risky, if swallowed, which gains importance in the aspect of protecting the youngest. Furthermore, small elements of these products are able to disrupt the diagnostic process medical in case of swallowing.
Due to expensive raw materials, their price is higher than average,

Pull force analysis

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

Breakaway force is the result of a measurement for optimal configuration, including:

on a base made of mild steel, perfectly concentrating the magnetic field
with a cross-section no less than 10 mm
characterized by even structure
without the slightest clearance between the magnet and steel
during detachment in a direction perpendicular to the mounting surface
at room temperature

Lifting capacity in practice – influencing factors

It is worth knowing that the working load may be lower depending on the following factors, starting with the most relevant:

Gap between surfaces – even a fraction of a millimeter of distance (caused e.g. by veneer or unevenness) significantly weakens the magnet efficiency, often by half at just 0.5 mm.
Force direction – declared lifting capacity refers to detachment vertically. When applying parallel force, the magnet exhibits significantly lower power (often approx. 20-30% of nominal force).
Substrate thickness – to utilize 100% power, the steel must be sufficiently thick. Paper-thin metal restricts the attraction force (the magnet "punches through" it).
Material composition – not every steel reacts the same. High carbon content worsen the attraction effect.
Smoothness – full contact is possible only on polished steel. Rough texture reduce the real contact area, reducing force.
Temperature influence – hot environment weakens magnetic field. Too high temperature can permanently demagnetize the magnet.

Lifting capacity was assessed using a polished steel plate of optimal thickness (min. 20 mm), under perpendicular pulling force, whereas under parallel forces the lifting capacity is smaller. In addition, even a minimal clearance between the magnet and the plate reduces the holding force.

Warnings

Heat warning

Regular neodymium magnets (N-type) lose magnetization when the temperature surpasses 80°C. The loss of strength is permanent.

Pinching danger

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

Sensitization to coating

Nickel alert: The nickel-copper-nickel coating consists of nickel. If skin irritation appears, cease handling magnets and wear gloves.

This is not a toy

NdFeB magnets are not suitable for play. Eating several magnets can lead to them pinching intestinal walls, which poses a critical condition and requires urgent medical intervention.

Do not drill into magnets

Dust produced during cutting of magnets is combustible. Do not drill into magnets unless you are an expert.

Handling guide

Before starting, read the rules. Uncontrolled attraction can break the magnet or injure your hand. Be predictive.

GPS Danger

Navigation devices and smartphones are highly susceptible to magnetism. Direct contact with a powerful NdFeB magnet can decalibrate the sensors in your phone.

Shattering risk

Beware of splinters. Magnets can explode upon uncontrolled impact, ejecting shards into the air. Eye protection is mandatory.

Pacemakers

For implant holders: Powerful magnets disrupt electronics. Maintain at least 30 cm distance or ask another person to handle the magnets.

Cards and drives

Data protection: Strong magnets can damage payment cards and delicate electronics (heart implants, medical aids, timepieces).

Security! Learn more about risks in the article: Magnet Safety Guide.

MW 70x50 / N38 - cylindrical magnet

Detailed specification - MW 70x50 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Engineering analysis of the assembly - data

Table 1: Static pull force (pull vs distance) - power drop MW 70x50 / N38

Table 2: Shear hold (vertical surface) MW 70x50 / N38

Table 3: Wall mounting (shearing) - behavior on slippery surfaces MW 70x50 / N38

Table 4: Material efficiency (saturation) - sheet metal selection MW 70x50 / N38

Table 5: Thermal resistance (material behavior) - power drop MW 70x50 / N38

Table 6: Magnet-Magnet interaction (attraction) - field collision MW 70x50 / N38

Table 7: Hazards (implants) - precautionary measures MW 70x50 / N38

Table 8: Impact energy (kinetic energy) - warning MW 70x50 / N38

Table 9: Anti-corrosion coating durability MW 70x50 / N38

Table 10: Construction data (Flux) MW 70x50 / N38

Table 11: Underwater work (magnet fishing) MW 70x50 / N38

1. Shear force

2. Plate thickness effect

3. Thermal stability

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

Chemical composition

Ecology and recycling (GPSR)

Force (pull)

Magnetic Induction

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Strengths and weaknesses of Nd2Fe14B magnets.

Benefits

Cons

Pull force analysis

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

Lifting capacity in practice – influencing factors

Warnings

Heat warning

Pinching danger

Sensitization to coating

This is not a toy

Do not drill into magnets

Handling guide

GPS Danger

Shattering risk

Pacemakers

Cards and drives

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static pull force (pull vs distance) - power drop
MW 70x50 / N38

Table 2: Shear hold (vertical surface)
MW 70x50 / N38

Table 3: Wall mounting (shearing) - behavior on slippery surfaces
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Table 4: Material efficiency (saturation) - sheet metal selection
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Table 5: Thermal resistance (material behavior) - power drop
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Table 6: Magnet-Magnet interaction (attraction) - field collision
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Table 7: Hazards (implants) - precautionary measures
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Table 8: Impact energy (kinetic energy) - warning
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Table 9: Anti-corrosion coating durability
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Table 10: Construction data (Flux)
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Table 11: Underwater work (magnet fishing)
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Strengths and weaknesses of Nd₂Fe₁₄B magnets.