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MW 15x10 / 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 010027

GTIN/EAN: 5906301810261

5.00

Diameter Ø

15 mm [±0,1 mm]

Height

10 mm [±0,1 mm]

Weight

13.25 g

Magnetization Direction

↑ axial

Load capacity

7.70 kg / 75.55 N

Magnetic Induction

495.60 mT / 4956 Gs

Coating

[NiCuNi] Nickel

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4.51 ZŁ with VAT / pcs + price for transport

3.67 ZŁ net + 23% VAT / pcs

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Product card - MW 15x10 / N38 - cylindrical magnet

Specification / characteristics - MW 15x10 / N38 - cylindrical magnet

properties

properties	values
Cat. no.	010027
GTIN/EAN	5906301810261
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	15 mm [±0,1 mm]
Height	10 mm [±0,1 mm]
Weight	13.25 g
Magnetization Direction	↑ axial
Load capacity ~ ?	7.70 kg / 75.55 N
Magnetic Induction ~ ?	495.60 mT / 4956 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 15x10 / 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 - technical parameters

Presented values constitute the direct effect of a physical simulation. Results are based on algorithms for the class Nd₂Fe₁₄B. Real-world performance might slightly differ from theoretical values. Use these calculations as a reference point for designers.

Table 1: Static pull force (force vs distance) - characteristics
MW 15x10 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	4954 Gs 495.4 mT	7.70 kg / 16.98 pounds 7700.0 g / 75.5 N	warning
1 mm	4303 Gs 430.3 mT	5.81 kg / 12.81 pounds 5810.9 g / 57.0 N	warning
2 mm	3660 Gs 366.0 mT	4.20 kg / 9.27 pounds 4203.8 g / 41.2 N	warning
3 mm	3068 Gs 306.8 mT	2.95 kg / 6.51 pounds 2953.2 g / 29.0 N	warning
5 mm	2106 Gs 210.6 mT	1.39 kg / 3.07 pounds 1392.2 g / 13.7 N	low risk
10 mm	845 Gs 84.5 mT	0.22 kg / 0.49 pounds 224.2 g / 2.2 N	low risk
15 mm	393 Gs 39.3 mT	0.05 kg / 0.11 pounds 48.5 g / 0.5 N	low risk
20 mm	210 Gs 21.0 mT	0.01 kg / 0.03 pounds 13.8 g / 0.1 N	low risk
30 mm	79 Gs 7.9 mT	0.00 kg / 0.00 pounds 2.0 g / 0.0 N	low risk
50 mm	21 Gs 2.1 mT	0.00 kg / 0.00 pounds 0.1 g / 0.0 N	low risk

Magnetic force decreases drastically with every subsequent millimeter of spacing. Note that even the smallest gap (e.g., dirt, varnish, dust) noticeably weakens the grip. Neodymiums work optimally at the point of direct contact; gap nullifies the force. See how rapidly the pull force fall, when the product does not touch flatly to the metal substrate. When designing the arrangement, eliminate additional spacers.

Table 2: Sliding hold (wall)
MW 15x10 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	1.54 kg / 3.40 pounds 1540.0 g / 15.1 N
1 mm	Stal (~0.2)	1.16 kg / 2.56 pounds 1162.0 g / 11.4 N
2 mm	Stal (~0.2)	0.84 kg / 1.85 pounds 840.0 g / 8.2 N
3 mm	Stal (~0.2)	0.59 kg / 1.30 pounds 590.0 g / 5.8 N
5 mm	Stal (~0.2)	0.28 kg / 0.61 pounds 278.0 g / 2.7 N
10 mm	Stal (~0.2)	0.04 kg / 0.10 pounds 44.0 g / 0.4 N
15 mm	Stal (~0.2)	0.01 kg / 0.02 pounds 10.0 g / 0.1 N
20 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 2.0 g / 0.0 N
30 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 0.0 g / 0.0 N
50 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 0.0 g / 0.0 N

The table below defines the estimated holding capacity necessary to start the slippage of the magnet down on a vertical steel plate (assuming typical friction coefficient). This parameter is a function of the gap size between the magnet and the metal.

Table 3: Wall mounting (shearing) - vertical pull
MW 15x10 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	2.31 kg / 5.09 pounds 2310.0 g / 22.7 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	1.54 kg / 3.40 pounds 1540.0 g / 15.1 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.77 kg / 1.70 pounds 770.0 g / 7.6 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	3.85 kg / 8.49 pounds 3850.0 g / 37.8 N

When placing a holder on a upright wall (e.g., a car body), it will maintain just approx. 1/5 of nominal attraction strength. Gravitational force and a weak degree of grip cause that holders move down easier than they detach. Designing a wall mount? Note that the sliding force is much weaker than the maximum static pull force. On a painted metal, the magnet will slide down under a significantly smaller weight. Application of an anti-slip pad can effectively raise the stability.

Table 4: Steel thickness (saturation) - power losses
MW 15x10 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	10%	0.77 kg / 1.70 pounds 770.0 g / 7.6 N
1 mm	25%	1.93 kg / 4.24 pounds 1925.0 g / 18.9 N
2 mm	50%	3.85 kg / 8.49 pounds 3850.0 g / 37.8 N
3 mm	75%	5.78 kg / 12.73 pounds 5775.0 g / 56.7 N
5 mm	100%	7.70 kg / 16.98 pounds 7700.0 g / 75.5 N
10 mm	100%	7.70 kg / 16.98 pounds 7700.0 g / 75.5 N
11 mm	100%	7.70 kg / 16.98 pounds 7700.0 g / 75.5 N
12 mm	100%	7.70 kg / 16.98 pounds 7700.0 g / 75.5 N

A too thin steel is incapable of take in the entire magnetic field, which wastes potential of the magnet. If you mount a strong magnet to a too thin substrate, the magnetism will pass right through and the pull force will drop sharply. To achieve full efficiency of this magnet's power, you need a suitably thick element of steel. The saturation phenomenon means that on sheet metal structures (e.g., appliance housings), the product shows lower pull force. We recommend selecting the steel cross-section according to the table below.

Table 5: Thermal stability (material behavior) - thermal limit
MW 15x10 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	7.70 kg / 16.98 pounds 7700.0 g / 75.5 N	OK
40 °C	-2.2%	7.53 kg / 16.60 pounds 7530.6 g / 73.9 N	OK
60 °C	-4.4%	7.36 kg / 16.23 pounds 7361.2 g / 72.2 N	OK
80 °C	-6.6%	7.19 kg / 15.86 pounds 7191.8 g / 70.6 N
100 °C	-28.8%	5.48 kg / 12.09 pounds 5482.4 g / 53.8 N

Standard neodymium magnets change their properties strength above the temperature limit. Watch out for overheating – heat can permanently demagnetize this magnet. With every degree above norm, the neodymium's power briefly drops. Do not use this magnet close to ovens higher than its working range. Ignoring the limit will lead to irreversible degradation of magnetism.

*Important note: Heat tolerance is determined by both grade, but also on the magnet's shape. Flat magnets (pancake types) may lose charge permanently sooner than long magnets. Red status in the table indicates a risk of irreversible loss for this particular item.

Table 6: Two magnets (attraction) - field collision
MW 15x10 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Shear Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	26.73 kg / 58.93 pounds 5 797 Gs	4.01 kg / 8.84 pounds 4010 g / 39.3 N	N/A
1 mm	23.38 kg / 51.55 pounds 9 265 Gs	3.51 kg / 7.73 pounds 3507 g / 34.4 N	21.04 kg / 46.39 pounds ~0 Gs
2 mm	20.17 kg / 44.48 pounds 8 606 Gs	3.03 kg / 6.67 pounds 3026 g / 29.7 N	18.16 kg / 40.03 pounds ~0 Gs
3 mm	17.23 kg / 37.99 pounds 7 955 Gs	2.59 kg / 5.70 pounds 2585 g / 25.4 N	15.51 kg / 34.19 pounds ~0 Gs
5 mm	12.27 kg / 27.05 pounds 6 712 Gs	1.84 kg / 4.06 pounds 1840 g / 18.1 N	11.04 kg / 24.34 pounds ~0 Gs
10 mm	4.83 kg / 10.66 pounds 4 213 Gs	0.73 kg / 1.60 pounds 725 g / 7.1 N	4.35 kg / 9.59 pounds ~0 Gs
20 mm	0.78 kg / 1.72 pounds 1 690 Gs	0.12 kg / 0.26 pounds 117 g / 1.1 N	0.70 kg / 1.54 pounds ~0 Gs
50 mm	0.02 kg / 0.04 pounds 248 Gs	0.00 kg / 0.01 pounds 3 g / 0.0 N	0.02 kg / 0.03 pounds ~0 Gs
60 mm	0.01 kg / 0.01 pounds 158 Gs	0.00 kg / 0.00 pounds 1 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
70 mm	0.00 kg / 0.01 pounds 107 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
80 mm	0.00 kg / 0.00 pounds 75 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
90 mm	0.00 kg / 0.00 pounds 55 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
100 mm	0.00 kg / 0.00 pounds 41 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs

Two magnetic products interact from a much further distance than a magnet and steel combination. The connection of two magnets produces a massive flux and a wider radius of operation. Want to build a solid fastener? Use a pair of magnets instead of one magnet and a striker plate. Remember that when bringing together two magnets, the pinch force is extreme. The repulsion force is a bit weaker than the attraction, but still large.
*The magnetic induction in repulsion mode drops to ~0 Gs in the exact middle of the gap (due to field cancellation).
Note: Results refer to friction force of dual matching neodymium magnets (friction coefficient ~0.15 for Ni-Ni coating).

Table 7: Protective zones (implants) - precautionary measures
MW 15x10 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	8.5 cm
Hearing aid	10 Gs (1.0 mT)	7.0 cm
Timepiece	20 Gs (2.0 mT)	5.5 cm
Mobile device	40 Gs (4.0 mT)	4.0 cm
Remote	50 Gs (5.0 mT)	4.0 cm
Payment card	400 Gs (40.0 mT)	1.5 cm
HDD hard drive	600 Gs (60.0 mT)	1.5 cm

Powerful magnet radiation is a real danger to IT equipment as well as pacemakers. These magnets generate a flux that prevents correct functioning of digital equipment. Notice: the unseen radiation acts through matter and plastic. Increased vigilance must be taken by people with hearing aids and drug dispensers. Also at risk are: mechanical watches, remotes, membranes, and displays. Avoid contact with magnetic cards, HDD media, or sensitive navigation tools.

Table 8: Collisions (kinetic energy) - warning
MW 15x10 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	24.75 km/h (6.88 m/s)	0.31 J
30 mm	42.12 km/h (11.70 m/s)	0.91 J
50 mm	54.36 km/h (15.10 m/s)	1.51 J
100 mm	76.88 km/h (21.36 m/s)	3.02 J

Neodymium magnets are delicate – a collision with steel can result in shattering. Control the attraction moment – a magnet released freely turns into a projectile. Kinetic force can cause material chips or painful pinches to skin. Be sure to control the product during mounting so it doesn't hit with great force against the metal. A collision at high speed almost guarantees destruction of the magnet. Wear eye protection when playing with large magnets.

Table 9: Surface protection spec
MW 15x10 / 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)

The SST (salt spray test) is an industry standard for determining coating lifespan in harsh conditions. Moisture resistance is crucial for installations in bathrooms or outdoors.

Table 10: Construction data (P_c)
MW 15x10 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	8 827 Mx	88.3 µWb
P_c Coefficient	0.71	High (Stable)

Flux value passing through the magnet pole. Key data for generator designers as well as sensors. P_c value determines the magnet's operating point.

Table 11: Submerged application
MW 15x10 / N38

Environment	Effective steel pull	Effect
Air (land)	7.70 kg	Standard
Water (riverbed)	8.82 kg (+1.12 kg buoyancy gain)	+14.5%

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

Contrary to myths, water does not block the magnetic field. Buoyancy helps in lifting finds.

1. Vertical hold

*Caution: On a vertical surface, the magnet holds only a fraction of its perpendicular strength.

2. Plate thickness effect

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

3. Thermal stability

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

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.71

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

Material specification

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: 010027-2026

Magnet Unit Converter

Force (pull)

Force in lbs

Magnetic Induction

Gauss (Gs)

Induction (T)

Input a value in a box, and the remaining fields will convert in real-time.

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MW 5x2 / N38 - cylindrical magnet

0.1845 ZŁ brutto / pcs

The offered product is a very strong rod magnet, produced from durable NdFeB material, which, with dimensions of Ø15x10 mm, guarantees optimal power. This specific item boasts a tolerance of ±0.1mm and industrial build quality, making it an excellent solution for professional engineers and designers. As a cylindrical magnet with significant force (approx. 7.70 kg), this product is available off-the-shelf from our European logistics center, ensuring rapid order fulfillment. Furthermore, its Ni-Cu-Ni coating shields it against corrosion in standard operating conditions, guaranteeing an aesthetic appearance and durability for years.

This model is perfect for building electric motors, advanced Hall effect sensors, and efficient filters, where field concentration on a small surface counts. Thanks to the pull force of 75.55 N with a weight of only 13.25 g, this cylindrical magnet is indispensable in electronics and wherever low weight is crucial.

Due to the brittleness of the NdFeB material, we absolutely advise against force-fitting (so-called press-fit), as this risks immediate cracking of this precision component. To ensure long-term durability in industry, specialized industrial adhesives are used, which are safe for nickel and fill the gap, guaranteeing high repeatability of the connection.

Magnets NdFeB grade N38 are suitable for the majority of applications in automation and machine building, where excessive miniaturization with maximum force is not required. If you need the strongest magnets in the same volume (Ø15x10), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard in continuous sale in our store.

This model is characterized by dimensions Ø15x10 mm, which, at a weight of 13.25 g, makes it an element with high magnetic energy density. The value of 75.55 N means that the magnet is capable of holding a weight many times exceeding its own mass of 13.25 g. The product has a [NiCuNi] coating, which secures it against external factors, giving it an aesthetic, silvery shine.

This cylinder is magnetized axially (along the height of 10 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.

Pros and cons of rare earth magnets.

Strengths

In addition to their long-term stability, neodymium magnets provide the following advantages:

They virtually do not lose power, because even after ten years the decline in efficiency is only ~1% (according to literature),
They retain their magnetic properties even under strong external field,
The use of an refined layer of noble metals (nickel, gold, silver) causes the element to have aesthetics,
Magnets exhibit maximum magnetic induction on the outer side,
Through (appropriate) combination of ingredients, they can achieve high thermal resistance, enabling operation at temperatures reaching 230°C and above...
Thanks to flexibility in designing and the capacity to adapt to complex applications,
Fundamental importance in modern technologies – they are utilized in hard drives, motor assemblies, precision medical tools, and complex engineering applications.
Compactness – despite small sizes they generate large force, making them ideal for precision applications

Disadvantages

Disadvantages of neodymium magnets:

They are prone to damage upon too strong impacts. To avoid cracks, it is worth securing magnets in special housings. Such protection not only shields the magnet but also increases its resistance to damage
When exposed to high temperature, neodymium magnets suffer a drop in power. Often, when the temperature exceeds 80°C, their power decreases (depending on the size and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
Magnets exposed to a humid environment can rust. Therefore when using outdoors, we recommend using waterproof magnets made of rubber, plastic or other material protecting against moisture
We recommend a housing - magnetic mechanism, due to difficulties in producing nuts inside the magnet and complicated forms.
Health risk resulting from small fragments of magnets can be dangerous, when accidentally swallowed, which becomes key in the aspect of protecting the youngest. It is also worth noting that small elements of these magnets are able to disrupt the diagnostic process medical when they are in the body.
With mass production the cost of neodymium magnets can be a barrier,

Lifting parameters

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

Breakaway force was defined for optimal configuration, including:

using a sheet made of high-permeability steel, serving as a circuit closing element
possessing a thickness of min. 10 mm to avoid saturation
with a plane cleaned and smooth
without any clearance between the magnet and steel
during detachment in a direction vertical to the plane
at standard ambient temperature

What influences lifting capacity in practice

Please note that the magnet holding may be lower influenced by elements below, starting with the most relevant:

Clearance – the presence of any layer (paint, dirt, air) interrupts the magnetic circuit, which reduces power steeply (even by 50% at 0.5 mm).
Load vector – highest force is reached only during perpendicular pulling. The shear force of the magnet along the surface is standardly many times lower (approx. 1/5 of the lifting capacity).
Base massiveness – too thin plate causes magnetic saturation, causing part of the power to be wasted to the other side.
Metal type – different alloys attracts identically. High carbon content weaken the interaction with the magnet.
Plate texture – ground elements guarantee perfect abutment, which improves field saturation. Rough surfaces reduce efficiency.
Temperature influence – hot environment weakens pulling force. Exceeding the limit temperature can permanently demagnetize the magnet.

Holding force was measured on a smooth steel plate of 20 mm thickness, when a perpendicular force was applied, however under shearing force the load capacity is reduced by as much as 75%. In addition, even a slight gap between the magnet and the plate lowers the lifting capacity.

Precautions when working with neodymium magnets

Do not underestimate power

Use magnets consciously. Their immense force can shock even experienced users. Be vigilant and respect their force.

Electronic devices

Do not bring magnets near a purse, computer, or TV. The magnetism can irreversibly ruin these devices and erase data from cards.

Demagnetization risk

Watch the temperature. Heating the magnet above 80 degrees Celsius will permanently weaken its properties and strength.

Crushing risk

Large magnets can crush fingers in a fraction of a second. Under no circumstances place your hand betwixt two strong magnets.

Medical implants

People with a heart stimulator should keep an safe separation from magnets. The magnetic field can interfere with the operation of the life-saving device.

Fire risk

Powder produced during grinding of magnets is self-igniting. Avoid drilling into magnets unless you are an expert.

No play value

Absolutely store magnets out of reach of children. Risk of swallowing is significant, and the consequences of magnets connecting inside the body are life-threatening.

Fragile material

Protect your eyes. Magnets can explode upon uncontrolled impact, ejecting sharp fragments into the air. Eye protection is mandatory.

GPS Danger

Be aware: rare earth magnets generate a field that disrupts sensitive sensors. Keep a separation from your phone, tablet, and GPS.

Allergic reactions

Studies show that the nickel plating (the usual finish) is a potent allergen. For allergy sufferers, prevent direct skin contact and choose encased magnets.

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

MW 15x10 / N38 - cylindrical magnet

Product card - MW 15x10 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Engineering modeling of the assembly - technical parameters

Table 1: Static pull force (force vs distance) - characteristics MW 15x10 / N38

Table 2: Sliding hold (wall) MW 15x10 / N38

Table 3: Wall mounting (shearing) - vertical pull MW 15x10 / N38

Table 4: Steel thickness (saturation) - power losses MW 15x10 / N38

Table 5: Thermal stability (material behavior) - thermal limit MW 15x10 / N38

Table 6: Two magnets (attraction) - field collision MW 15x10 / N38

Table 7: Protective zones (implants) - precautionary measures MW 15x10 / N38

Table 8: Collisions (kinetic energy) - warning MW 15x10 / N38

Table 9: Surface protection spec MW 15x10 / N38

Table 10: Construction data (Pc) MW 15x10 / N38

Table 11: Submerged application MW 15x10 / N38

1. Vertical hold

2. Plate thickness effect

3. Thermal stability

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

Material specification

Environmental data

Force (pull)

Magnetic Induction

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Pros and cons of rare earth magnets.

Strengths

Disadvantages

Lifting parameters

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

What influences lifting capacity in practice

Precautions when working with neodymium magnets

Do not underestimate power

Electronic devices

Demagnetization risk

Crushing risk

Medical implants

Fire risk

No play value

Fragile material

GPS Danger

Allergic reactions

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static pull force (force vs distance) - characteristics
MW 15x10 / N38

Table 2: Sliding hold (wall)
MW 15x10 / N38

Table 3: Wall mounting (shearing) - vertical pull
MW 15x10 / N38

Table 4: Steel thickness (saturation) - power losses
MW 15x10 / N38

Table 5: Thermal stability (material behavior) - thermal limit
MW 15x10 / N38

Table 6: Two magnets (attraction) - field collision
MW 15x10 / N38

Table 7: Protective zones (implants) - precautionary measures
MW 15x10 / N38

Table 8: Collisions (kinetic energy) - warning
MW 15x10 / N38

Table 9: Surface protection spec
MW 15x10 / N38

Table 10: Construction data (P_c)
MW 15x10 / N38

Table 11: Submerged application
MW 15x10 / N38