Product available Ships tomorrow

MW 8x15 / 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 010102

GTIN/EAN: 5906301811015

5.00

Diameter Ø

8 mm [±0,1 mm]

Height

15 mm [±0,1 mm]

Weight

5.65 g

Magnetization Direction

↑ axial

Load capacity

1.47 kg / 14.45 N

Magnetic Induction

598.12 mT / 5981 Gs

Coating

[NiCuNi] Nickel

product parameters »

3.44 ZŁ with VAT / pcs + price for transport

2.80 ZŁ net + 23% VAT / pcs

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Physical properties - MW 8x15 / N38 - cylindrical magnet

Specification / characteristics - MW 8x15 / N38 - cylindrical magnet

properties

properties	values
Cat. no.	010102
GTIN/EAN	5906301811015
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	8 mm [±0,1 mm]
Height	15 mm [±0,1 mm]
Weight	5.65 g
Magnetization Direction	↑ axial
Load capacity ~ ?	1.47 kg / 14.45 N
Magnetic Induction ~ ?	598.12 mT / 5981 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 8x15 / 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

Physical modeling of the product - technical parameters

The following data are the direct effect of a engineering simulation. Values rely on models for the material Nd₂Fe₁₄B. Real-world conditions might slightly differ. Use these data as a preliminary roadmap for designers.

Table 1: Static force (pull vs gap) - interaction chart
MW 8x15 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	5975 Gs 597.5 mT	1.47 kg / 3.24 lbs 1470.0 g / 14.4 N	safe
1 mm	4511 Gs 451.1 mT	0.84 kg / 1.85 lbs 837.8 g / 8.2 N	safe
2 mm	3262 Gs 326.2 mT	0.44 kg / 0.97 lbs 438.2 g / 4.3 N	safe
3 mm	2332 Gs 233.2 mT	0.22 kg / 0.49 lbs 224.0 g / 2.2 N	safe
5 mm	1238 Gs 123.8 mT	0.06 kg / 0.14 lbs 63.1 g / 0.6 N	safe
10 mm	366 Gs 36.6 mT	0.01 kg / 0.01 lbs 5.5 g / 0.1 N	safe
15 mm	155 Gs 15.5 mT	0.00 kg / 0.00 lbs 1.0 g / 0.0 N	safe
20 mm	80 Gs 8.0 mT	0.00 kg / 0.00 lbs 0.3 g / 0.0 N	safe
30 mm	30 Gs 3.0 mT	0.00 kg / 0.00 lbs 0.0 g / 0.0 N	safe
50 mm	8 Gs 0.8 mT	0.00 kg / 0.00 lbs 0.0 g / 0.0 N	safe

Pulling power drops sharply with every subsequent millimeter of distance. Remember that even a very thin break (e.g., contamination, varnish, veneer) significantly diminishes the holding power. Magnetic products operate most effectively during direct contact; gap drastically cuts the force. Notice how quickly the pull force fall, when the product does not touch directly to the metal substrate. When calculating the arrangement, eliminate redundant distances.

Table 2: Slippage load (wall)
MW 8x15 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	0.29 kg / 0.65 lbs 294.0 g / 2.9 N
1 mm	Stal (~0.2)	0.17 kg / 0.37 lbs 168.0 g / 1.6 N
2 mm	Stal (~0.2)	0.09 kg / 0.19 lbs 88.0 g / 0.9 N
3 mm	Stal (~0.2)	0.04 kg / 0.10 lbs 44.0 g / 0.4 N
5 mm	Stal (~0.2)	0.01 kg / 0.03 lbs 12.0 g / 0.1 N
10 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 2.0 g / 0.0 N
15 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N
20 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N
30 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N
50 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N

This section indicates the estimated shear load sufficient to start the shifting of the magnet down along a upright metal surface (considering standard friction). The holding force is relative to the air gap between the magnet and the surface.

Table 3: Vertical assembly (sliding) - vertical pull
MW 8x15 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	0.44 kg / 0.97 lbs 441.0 g / 4.3 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	0.29 kg / 0.65 lbs 294.0 g / 2.9 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.15 kg / 0.32 lbs 147.0 g / 1.4 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	0.74 kg / 1.62 lbs 735.0 g / 7.2 N

When hanging a holder on a upright surface (e.g., a fridge), it will only hold just about 20%-30% of nominal attraction strength. Gravitational force and a weak degree of grip influence the fact that products slip easier than they pull off. Want to create a vertical fastening? Note that the shear force is significantly lower than the perpendicular breakaway force. On a painted metal, the magnet will slide down under a noticeably lighter cargo. Utilizing a rubberized coating can drastically improve the result.

Table 4: Material efficiency (saturation) - power losses
MW 8x15 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	10%	0.15 kg / 0.32 lbs 147.0 g / 1.4 N
1 mm	25%	0.37 kg / 0.81 lbs 367.5 g / 3.6 N
2 mm	50%	0.74 kg / 1.62 lbs 735.0 g / 7.2 N
3 mm	75%	1.10 kg / 2.43 lbs 1102.5 g / 10.8 N
5 mm	100%	1.47 kg / 3.24 lbs 1470.0 g / 14.4 N
10 mm	100%	1.47 kg / 3.24 lbs 1470.0 g / 14.4 N
11 mm	100%	1.47 kg / 3.24 lbs 1470.0 g / 14.4 N
12 mm	100%	1.47 kg / 3.24 lbs 1470.0 g / 14.4 N

A too thin steel is incapable of absorb the entire magnetic field, which wastes potential of the magnet. Should you mount a strong magnet to a too thin substrate, the magnetism will pass right through and the holding will be smaller. To utilize the maximum of this neodymium's potential, you need a suitably thick element of steel. The saturation phenomenon means that on sheet metal structures (e.g., appliance housings), the magnet holds weaker. We recommend selecting the steel thickness according to the table below.

Table 5: Thermal stability (stability) - power drop
MW 8x15 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	1.47 kg / 3.24 lbs 1470.0 g / 14.4 N	OK
40 °C	-2.2%	1.44 kg / 3.17 lbs 1437.7 g / 14.1 N	OK
60 °C	-4.4%	1.41 kg / 3.10 lbs 1405.3 g / 13.8 N	OK
80 °C	-6.6%	1.37 kg / 3.03 lbs 1373.0 g / 13.5 N
100 °C	-28.8%	1.05 kg / 2.31 lbs 1046.6 g / 10.3 N

Ordinary NdFeB products change their properties parameters after exceeding the maximum temperature. Protect against heat – excessive heat can irreversibly destroy this magnet. As the temperature rises, the neodymium's power briefly drops. Avoid using this magnet close to heaters exceeding its safe range. Too high temperature will cause destruction of magnetism.

*Important note: Thermal stability is determined by both grade, and the Permeance Coefficient Pc. Flat magnets (low permeance coefficient) risk losing magnetic properties sooner than taller cylinders. The danger warning in the table indicates a risk of irreversible loss for this particular item.

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MW 8x15 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Shear Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	11.06 kg / 24.39 lbs 6 130 Gs	1.66 kg / 3.66 lbs 1660 g / 16.3 N	N/A
1 mm	8.49 kg / 18.72 lbs 10 469 Gs	1.27 kg / 2.81 lbs 1274 g / 12.5 N	7.64 kg / 16.85 lbs ~0 Gs
2 mm	6.31 kg / 13.90 lbs 9 022 Gs	0.95 kg / 2.09 lbs 946 g / 9.3 N	5.68 kg / 12.51 lbs ~0 Gs
3 mm	4.59 kg / 10.12 lbs 7 697 Gs	0.69 kg / 1.52 lbs 688 g / 6.8 N	4.13 kg / 9.11 lbs ~0 Gs
5 mm	2.36 kg / 5.20 lbs 5 516 Gs	0.35 kg / 0.78 lbs 354 g / 3.5 N	2.12 kg / 4.68 lbs ~0 Gs
10 mm	0.48 kg / 1.05 lbs 2 476 Gs	0.07 kg / 0.16 lbs 71 g / 0.7 N	0.43 kg / 0.94 lbs ~0 Gs
20 mm	0.04 kg / 0.09 lbs 731 Gs	0.01 kg / 0.01 lbs 6 g / 0.1 N	0.04 kg / 0.08 lbs ~0 Gs
50 mm	0.00 kg / 0.00 lbs 94 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
60 mm	0.00 kg / 0.00 lbs 60 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
70 mm	0.00 kg / 0.00 lbs 41 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
80 mm	0.00 kg / 0.00 lbs 29 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
90 mm	0.00 kg / 0.00 lbs 21 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
100 mm	0.00 kg / 0.00 lbs 16 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs

Two magnets interact from a significantly greater distance than a magnet and steel setup. The setup of magnet-to-magnet generates a stronger field and a wider radius of operation. Designing a powerful holder? Apply two magnets instead of a neodymium and a steel. Exercise caution that when attracting two neodymiums, the pinch force is extreme. The levitation is marginally weaker than the connection force, but still impressive.
*Flux density between like poles reaches ~0 Gs at the midpoint of the gap (due to field cancellation).

Table 7: Hazards (electronics) - warnings
MW 8x15 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	6.0 cm
Hearing aid	10 Gs (1.0 mT)	5.0 cm
Mechanical watch	20 Gs (2.0 mT)	4.0 cm
Phone / Smartphone	40 Gs (4.0 mT)	3.0 cm
Remote	50 Gs (5.0 mT)	2.5 cm
Payment card	400 Gs (40.0 mT)	1.0 cm
HDD hard drive	600 Gs (60.0 mT)	1.0 cm

Extremely neodym field is a large risk to IT equipment as well as medical implants. These magnets produce a flux that disrupts operation of sensitive medical devices. Be aware: the invisible magnetic field penetrates the body and glass. Increased vigilance must be taken by people with cochlear implants and drug dispensers. Influence will be felt by: automatic timepieces, remotes, speakers, and screens. Do not place the magnet near cards, HDD media, or sensitive navigation tools.

Table 8: Dynamics (kinetic energy) - collision effects
MW 8x15 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	16.31 km/h (4.53 m/s)	0.06 J
30 mm	28.18 km/h (7.83 m/s)	0.17 J
50 mm	36.37 km/h (10.10 m/s)	0.29 J
100 mm	51.44 km/h (14.29 m/s)	0.58 J

Magnetic elements are delicate – a collision with steel risks their cracking. Control the attraction moment – a magnet released freely becomes dangerous. Kinetic force can trigger coating fragments or dangerous crushing to fingers. Always hold the magnet during installation so it doesn't hit with great force against the metal. A contact at a velocity of dozens of km/h almost guarantees destruction of the neodymium. Wear eye protection when working with large magnets.

Table 9: Surface protection spec
MW 8x15 / N38

Technical parameter	Value / Description
Coating type	[NiCuNi] Nickel
Layer structure	Nickel - Copper - Nickel
Layer thickness	10-20 µm
Salt spray test (SST) ?	24 h
Recommended environment	Indoors only (dry)

Neodymium magnets are highly susceptible to corrosion without proper protection. Note the thickness of the protective layer.

Table 10: Construction data (P_c)
MW 8x15 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	3 306 Mx	33.1 µWb
P_c Coefficient	1.19	High (Stable)

Total magnetic flux emitted by the pole surface. Key data when building generators as well as sensors. P_c value defines the working geometry.

Table 11: Physics of underwater searching
MW 8x15 / N38

Environment	Effective steel pull	Effect
Air (land)	1.47 kg	Standard
Water (riverbed)	1.68 kg (+0.21 kg buoyancy gain)	+14.5%

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

The magnetic field penetrates through water without any losses. Note: for permanent underwater work, we recommend magnets with an anti-corrosive (epoxy) coating.

1. Shear force

*Note: On a vertical wall, the magnet retains only approx. 20-30% of its max power.

2. Steel thickness impact

*Thin steel (e.g. 0.5mm PC case) significantly 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) = 1.19

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.

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%

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: 010102-2025

Measurement Calculator

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The presented product is an exceptionally strong cylindrical magnet, made from advanced NdFeB material, which, with dimensions of Ø8x15 mm, guarantees the highest energy density. The MW 8x15 / N38 model boasts high dimensional repeatability and industrial build quality, making it an ideal solution for professional engineers and designers. As a cylindrical magnet with significant force (approx. 1.47 kg), this product is in stock from our European logistics center, ensuring lightning-fast order fulfillment. Moreover, its Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, guaranteeing an aesthetic appearance and durability for years.

This model is created for building generators, advanced Hall effect sensors, and efficient filters, where maximum induction on a small surface counts. Thanks to the pull force of 14.45 N with a weight of only 5.65 g, this cylindrical magnet is indispensable in electronics and wherever low weight is crucial.

Due to the brittleness of the NdFeB material, you must not use force-fitting (so-called press-fit), as this risks chipping the coating of this precision component. To ensure long-term durability in automation, specialized industrial adhesives are used, which are safe for nickel and fill the gap, guaranteeing high repeatability of the connection.

Grade N38 is the most popular standard for industrial neodymium magnets, offering a great economic balance and high resistance to demagnetization. If you need the strongest magnets in the same volume (Ø8x15), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard available off-the-shelf in our store.

This model is characterized by dimensions Ø8x15 mm, which, at a weight of 5.65 g, makes it an element with high magnetic energy density. The key parameter here is the lifting capacity amounting to approximately 1.47 kg (force ~14.45 N), which, with such defined dimensions, proves the high power of the NdFeB material. The product has a [NiCuNi] coating, which secures it against oxidation, giving it an aesthetic, silvery shine.

This rod magnet is magnetized axially (along the height of 15 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 as well as weaknesses of Nd₂Fe₁₄B magnets.

Benefits

In addition to their magnetic efficiency, neodymium magnets provide the following advantages:

They do not lose power, even during nearly ten years – the decrease in lifting capacity is only ~1% (according to tests),
Neodymium magnets are characterized by exceptionally resistant to loss of magnetic properties caused by external interference,
A magnet with a shiny nickel surface has better aesthetics,
They feature high magnetic induction at the operating surface, which improves attraction properties,
Through (adequate) combination of ingredients, they can achieve high thermal strength, enabling functioning at temperatures approaching 230°C and above...
Possibility of custom shaping as well as adapting to defined conditions,
Fundamental importance in electronics industry – they find application in mass storage devices, electromotive mechanisms, advanced medical instruments, as well as technologically advanced constructions.
Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which makes them useful in miniature devices

Disadvantages

Disadvantages of neodymium magnets:

At strong impacts they can break, therefore we recommend placing them in special holders. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
Neodymium magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of strength (a factor is the shape and dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are very resistant to heat
They rust in a humid environment - during use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
We recommend casing - magnetic mechanism, due to difficulties in creating nuts inside the magnet and complex shapes.
Possible danger resulting from small fragments of magnets are risky, when accidentally swallowed, which is particularly important in the context of child health protection. Additionally, small elements of these magnets can disrupt the diagnostic process medical when they are in the body.
Due to complex production process, their price is higher than average,

Holding force characteristics

Maximum lifting capacity of the magnet – what it depends on?

Magnet power was determined for ideal contact conditions, including:

with the use of a yoke made of low-carbon steel, ensuring maximum field concentration
with a thickness no less than 10 mm
with an ideally smooth touching surface
under conditions of ideal adhesion (surface-to-surface)
under perpendicular force direction (90-degree angle)
at ambient temperature approx. 20 degrees Celsius

Practical lifting capacity: influencing factors

In real-world applications, the actual holding force depends on several key aspects, presented from crucial:

Distance – the presence of foreign body (rust, tape, gap) interrupts the magnetic circuit, which reduces power steeply (even by 50% at 0.5 mm).
Pull-off angle – note that the magnet holds strongest perpendicularly. Under sliding down, the capacity drops drastically, often to levels of 20-30% of the maximum value.
Element thickness – for full efficiency, the steel must be adequately massive. Paper-thin metal restricts the lifting capacity (the magnet "punches through" it).
Steel grade – ideal substrate is pure iron steel. Hardened steels may have worse magnetic properties.
Surface structure – the smoother and more polished the surface, the better the adhesion and stronger the hold. Unevenness acts like micro-gaps.
Thermal factor – hot environment reduces magnetic field. Exceeding the limit temperature can permanently demagnetize the magnet.

Holding force was checked on a smooth steel plate of 20 mm thickness, when the force acted perpendicularly, however under shearing force the holding force is lower. Additionally, even a slight gap between the magnet’s surface and the plate reduces the lifting capacity.

Safety rules for work with NdFeB magnets

Fragile material

Despite metallic appearance, the material is brittle and not impact-resistant. Do not hit, as the magnet may shatter into sharp, dangerous pieces.

Compass and GPS

A strong magnetic field interferes with the functioning of compasses in smartphones and navigation systems. Keep magnets close to a smartphone to avoid damaging the sensors.

Pacemakers

Life threat: Strong magnets can turn off heart devices and defibrillators. Do not approach if you have medical devices.

Dust is flammable

Combustion risk: Neodymium dust is highly flammable. Avoid machining magnets without safety gear as this risks ignition.

Caution required

Handle magnets consciously. Their immense force can surprise even experienced users. Stay alert and do not underestimate their power.

Hand protection

Risk of injury: The attraction force is so great that it can result in blood blisters, pinching, and broken bones. Use thick gloves.

Keep away from computers

Very strong magnetic fields can destroy records on payment cards, HDDs, and other magnetic media. Maintain a gap of at least 10 cm.

Permanent damage

Keep cool. NdFeB magnets are sensitive to temperature. If you need operation above 80°C, look for special high-temperature series (H, SH, UH).

Do not give to children

NdFeB magnets are not intended for children. Accidental ingestion of a few magnets can lead to them connecting inside the digestive tract, which poses a severe health hazard and necessitates immediate surgery.

Allergic reactions

Allergy Notice: The nickel-copper-nickel coating consists of nickel. If redness appears, immediately stop working with magnets and use protective gear.

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

MW 8x15 / N38 - cylindrical magnet

Physical properties - MW 8x15 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Physical modeling of the product - technical parameters

Table 1: Static force (pull vs gap) - interaction chart MW 8x15 / N38

Table 2: Slippage load (wall) MW 8x15 / N38

Table 3: Vertical assembly (sliding) - vertical pull MW 8x15 / N38

Table 4: Material efficiency (saturation) - power losses MW 8x15 / N38

Table 5: Thermal stability (stability) - power drop MW 8x15 / N38

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system MW 8x15 / N38

Table 7: Hazards (electronics) - warnings MW 8x15 / N38

Table 8: Dynamics (kinetic energy) - collision effects MW 8x15 / N38

Table 9: Surface protection spec MW 8x15 / N38

Table 10: Construction data (Pc) MW 8x15 / N38

Table 11: Physics of underwater searching MW 8x15 / N38

1. Shear force

2. Steel thickness impact

3. Heat tolerance

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

Elemental analysis

Environmental data

Magnet pull force

Field Strength

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MP 10x4.3x4 / N38 - ring magnet

MW 12x4 / N38 - cylindrical magnet

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SMZR 25x250 / N52 - magnetic separator with handle

Strengths as well as weaknesses of Nd2Fe14B magnets.

Benefits

Disadvantages

Holding force characteristics

Maximum lifting capacity of the magnet – what it depends on?

Practical lifting capacity: influencing factors

Safety rules for work with NdFeB magnets

Fragile material

Compass and GPS

Pacemakers

Dust is flammable

Caution required

Hand protection

Keep away from computers

Permanent damage

Do not give to children

Allergic reactions

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static force (pull vs gap) - interaction chart
MW 8x15 / N38

Table 2: Slippage load (wall)
MW 8x15 / N38

Table 3: Vertical assembly (sliding) - vertical pull
MW 8x15 / N38

Table 4: Material efficiency (saturation) - power losses
MW 8x15 / N38

Table 5: Thermal stability (stability) - power drop
MW 8x15 / N38

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MW 8x15 / N38

Table 7: Hazards (electronics) - warnings
MW 8x15 / N38

Table 8: Dynamics (kinetic energy) - collision effects
MW 8x15 / N38

Table 9: Surface protection spec
MW 8x15 / N38

Table 10: Construction data (P_c)
MW 8x15 / N38

Table 11: Physics of underwater searching
MW 8x15 / N38

Strengths as well as weaknesses of Nd₂Fe₁₄B magnets.