Product available Ships tomorrow

MW 4x8 / 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 010079

GTIN/EAN: 5906301810780

5.00

Diameter Ø

4 mm [±0,1 mm]

Height

8 mm [±0,1 mm]

Weight

0.75 g

Magnetization Direction

↑ axial

Load capacity

0.35 kg / 3.48 N

Magnetic Induction

599.59 mT / 5996 Gs

Coating

[NiCuNi] Nickel

product parameters »

0.701 ZŁ with VAT / pcs + price for transport

0.570 ZŁ net + 23% VAT / pcs

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Physical properties - MW 4x8 / N38 - cylindrical magnet

Specification / characteristics - MW 4x8 / N38 - cylindrical magnet

properties

properties	values
Cat. no.	010079
GTIN/EAN	5906301810780
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	4 mm [±0,1 mm]
Height	8 mm [±0,1 mm]
Weight	0.75 g
Magnetization Direction	↑ axial
Load capacity ~ ?	0.35 kg / 3.48 N
Magnetic Induction ~ ?	599.59 mT / 5996 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 4x8 / 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

Technical simulation of the product - technical parameters

Presented values constitute the result of a physical calculation. Values rely on algorithms for the material Nd₂Fe₁₄B. Real-world parameters may deviate from the simulation results. Use these calculations as a supplementary guide for designers.

Table 1: Static pull force (pull vs gap) - characteristics
MW 4x8 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	5984 Gs 598.4 mT	0.35 kg / 0.77 pounds 350.0 g / 3.4 N	low risk
1 mm	3280 Gs 328.0 mT	0.11 kg / 0.23 pounds 105.1 g / 1.0 N	low risk
2 mm	1696 Gs 169.6 mT	0.03 kg / 0.06 pounds 28.1 g / 0.3 N	low risk
3 mm	941 Gs 94.1 mT	0.01 kg / 0.02 pounds 8.7 g / 0.1 N	low risk
5 mm	371 Gs 37.1 mT	0.00 kg / 0.00 pounds 1.3 g / 0.0 N	low risk
10 mm	82 Gs 8.2 mT	0.00 kg / 0.00 pounds 0.1 g / 0.0 N	low risk
15 mm	31 Gs 3.1 mT	0.00 kg / 0.00 pounds 0.0 g / 0.0 N	low risk
20 mm	15 Gs 1.5 mT	0.00 kg / 0.00 pounds 0.0 g / 0.0 N	low risk
30 mm	5 Gs 0.5 mT	0.00 kg / 0.00 pounds 0.0 g / 0.0 N	low risk
50 mm	1 Gs 0.1 mT	0.00 kg / 0.00 pounds 0.0 g / 0.0 N	low risk

Magnetic force weakens drastically per each millimeter of spacing. Remember that even a very thin break (e.g., contamination, varnish, dust) strongly reduces the pull force. Magnets operate optimally in perfect adhesion; gap kills the power. Observe how quickly the parameters drop, when the magnet does not adhere flatly to the metal substrate. When designing the mounting, eliminate additional spacers.

Table 2: Shear capacity (vertical surface)
MW 4x8 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	0.07 kg / 0.15 pounds 70.0 g / 0.7 N
1 mm	Stal (~0.2)	0.02 kg / 0.05 pounds 22.0 g / 0.2 N
2 mm	Stal (~0.2)	0.01 kg / 0.01 pounds 6.0 g / 0.1 N
3 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 2.0 g / 0.0 N
5 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 0.0 g / 0.0 N
10 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 0.0 g / 0.0 N
15 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 0.0 g / 0.0 N
20 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 0.0 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

This section shows the approximate shear load needed to initiate the sliding of the magnet downwards against a vertical metal surface (assuming standard friction). This value varies with the air gap between the magnet and the surface.

Table 3: Wall mounting (sliding) - vertical pull
MW 4x8 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	0.11 kg / 0.23 pounds 105.0 g / 1.0 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	0.07 kg / 0.15 pounds 70.0 g / 0.7 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.03 kg / 0.08 pounds 35.0 g / 0.3 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	0.18 kg / 0.39 pounds 175.0 g / 1.7 N

When mounting a element on a vertical wall (e.g., a fridge), it will only hold just about 1/5 of nominal attraction strength. Gravity as well as a low friction coefficient mean that holders slide down easier than they pull off. Want to create a vertical fastening? Consider that the shear force is significantly lower than the perpendicular breakaway force. On a smooth steel, the element will slip down under a much lighter weight. Application of an anti-slip coating can effectively increase the grip.

Table 4: Steel thickness (substrate influence) - power losses
MW 4x8 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	10%	0.03 kg / 0.08 pounds 35.0 g / 0.3 N
1 mm	25%	0.09 kg / 0.19 pounds 87.5 g / 0.9 N
2 mm	50%	0.18 kg / 0.39 pounds 175.0 g / 1.7 N
3 mm	75%	0.26 kg / 0.58 pounds 262.5 g / 2.6 N
5 mm	100%	0.35 kg / 0.77 pounds 350.0 g / 3.4 N
10 mm	100%	0.35 kg / 0.77 pounds 350.0 g / 3.4 N
11 mm	100%	0.35 kg / 0.77 pounds 350.0 g / 3.4 N
12 mm	100%	0.35 kg / 0.77 pounds 350.0 g / 3.4 N

A thin sheet cannot take in the entire magnetic field, which squanders power of the holder. Should you attach a powerful product to a too thin substrate, the magnetism will penetrate right through and the holding will be smaller. To utilize the maximum of this magnet's power, you require a sufficiently solid backing of steel. The saturation effect means that on thin elements (e.g., thin profiles), the product works worse. We advise picking the steel thickness based on the following data.

Table 5: Thermal stability (stability) - resistance threshold
MW 4x8 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	0.35 kg / 0.77 pounds 350.0 g / 3.4 N	OK
40 °C	-2.2%	0.34 kg / 0.75 pounds 342.3 g / 3.4 N	OK
60 °C	-4.4%	0.33 kg / 0.74 pounds 334.6 g / 3.3 N	OK
80 °C	-6.6%	0.33 kg / 0.72 pounds 326.9 g / 3.2 N
100 °C	-28.8%	0.25 kg / 0.55 pounds 249.2 g / 2.4 N

Classic neodymiums irreversibly lose strength after exceeding the maximum temperature. Avoid high temperatures – excessive heat can irreversibly demagnetize this product. With every degree above norm, the neodymium's capacity temporarily decreases. Refrain from using this magnet close to ovens exceeding its working range. Ignoring the limit will cause permanent loss of magnetic properties.

*Engineering note: Thermal stability is determined by both grade, but also on the magnet's shape. Low-profile magnets (low permeance coefficient) may lose charge permanently sooner compared to rod magnets. The danger warning in the table signals permanent field degradation for this particular item.

Table 6: Two magnets (attraction) - field collision
MW 4x8 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Lateral Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	2.77 kg / 6.12 pounds 6 121 Gs	0.42 kg / 0.92 pounds 416 g / 4.1 N	N/A
1 mm	1.59 kg / 3.51 pounds 9 063 Gs	0.24 kg / 0.53 pounds 239 g / 2.3 N	1.43 kg / 3.16 pounds ~0 Gs
2 mm	0.83 kg / 1.84 pounds 6 559 Gs	0.12 kg / 0.28 pounds 125 g / 1.2 N	0.75 kg / 1.65 pounds ~0 Gs
3 mm	0.43 kg / 0.94 pounds 4 694 Gs	0.06 kg / 0.14 pounds 64 g / 0.6 N	0.38 kg / 0.85 pounds ~0 Gs
5 mm	0.12 kg / 0.27 pounds 2 498 Gs	0.02 kg / 0.04 pounds 18 g / 0.2 N	0.11 kg / 0.24 pounds ~0 Gs
10 mm	0.01 kg / 0.02 pounds 743 Gs	0.00 kg / 0.00 pounds 2 g / 0.0 N	0.01 kg / 0.02 pounds ~0 Gs
20 mm	0.00 kg / 0.00 pounds 165 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
50 mm	0.00 kg / 0.00 pounds 17 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
60 mm	0.00 kg / 0.00 pounds 10 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
70 mm	0.00 kg / 0.00 pounds 7 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 5 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 3 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 3 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs

Two magnets attract each other from a much further distance than a magnet and sheet setup. The connection of two magnets creates a more powerful interaction and a further horizon of operation. Designing a strong closure? Use a pair of magnets instead of a neodymium and a striker plate. Remember that when bringing together two magnets, the pinch force is extreme. The repulsion force is slightly lower than the connection force, but still significant.
*The magnetic induction for N-N configuration is approximately ~0 Gs in the exact middle of the gap (due to field cancellation).
* Calculations demonstrate sliding force of a pair of identical neodymium magnets (friction ~0.15 for Ni-Ni coating).

Table 7: Protective zones (implants) - warnings
MW 4x8 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	3.5 cm
Hearing aid	10 Gs (1.0 mT)	2.5 cm
Timepiece	20 Gs (2.0 mT)	2.0 cm
Mobile device	40 Gs (4.0 mT)	1.5 cm
Car key	50 Gs (5.0 mT)	1.5 cm
Payment card	400 Gs (40.0 mT)	0.5 cm
HDD hard drive	600 Gs (60.0 mT)	0.5 cm

A strong magnetic field is a real danger to IT equipment as well as medical implants. These NdFeB products generate a flux that disrupts operation of sensitive medical devices. Be aware: the unseen radiation passes through tissues and housings. Exceptional care must be taken by people with cochlear implants and insulin pumps. Influence will be felt by: mechanical watches, remotes, speakers, and screens. Do not place the magnet near cards, HDD media, or precise measuring instruments.

Table 8: Collisions (cracking risk) - collision effects
MW 4x8 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	21.79 km/h (6.05 m/s)	0.01 J
30 mm	37.74 km/h (10.48 m/s)	0.04 J
50 mm	48.72 km/h (13.53 m/s)	0.07 J
100 mm	68.89 km/h (19.14 m/s)	0.14 J

Neodymium magnets are delicate – a collision with steel causes immediate chipping. Control the attraction moment – a neodymium left loose turns into a projectile. Striking energy can cause material chips or injury to skin. Be sure to control the product during installation so it doesn't hit with great force against the steel surface. A contact at a velocity of dozens of km/h almost guarantees destruction of the magnet. Use safety goggles when playing with powerful specimens.

Table 9: Surface protection spec
MW 4x8 / 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. The silver nickel coating also serves an aesthetic function but is not fully waterproof.

Table 10: Construction data (P_c)
MW 4x8 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	836 Mx	8.4 µWb
P_c Coefficient	1.21	High (Stable)

Flux value emitted by the pole surface. Key data when building generators and motors. P_c value defines the magnet's operating point.

Table 11: Hydrostatics and buoyancy
MW 4x8 / N38

Environment	Effective steel pull	Effect
Air (land)	0.35 kg	Standard
Water (riverbed)	0.40 kg (+0.05 kg buoyancy gain)	+14.5%

Rust risk: This magnet has a standard nickel coating. After use in water, it must be dried and maintained immediately, otherwise it will rust!

The magnetic field penetrates through water without any losses. However, remember the water resistance when pulling the rope quickly.

1. Vertical hold

*Note: On a vertical surface, the magnet retains just a fraction of its nominal pull.

2. Steel thickness impact

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

3. Heat tolerance

*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) = 1.21

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%

Sustainability

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

Safety card (GPSR)

responsible entity

Dhit sp. z o.o.

ul. Kościuszki 6A, 05-850 Ożarów Mazowiecki

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

batch number/type

id: 010079-2026

Quick Unit Converter

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The offered product is an exceptionally strong rod magnet, composed of durable NdFeB material, which, at dimensions of Ø4x8 mm, guarantees the highest energy density. The MW 4x8 / N38 component is characterized by high dimensional repeatability and industrial build quality, making it an ideal solution for the most demanding engineers and designers. As a magnetic rod with impressive force (approx. 0.35 kg), this product is available off-the-shelf from our European logistics center, ensuring lightning-fast order fulfillment. Furthermore, its Ni-Cu-Ni coating effectively protects it against corrosion in standard operating conditions, ensuring 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 3.48 N with a weight of only 0.75 g, this cylindrical magnet is indispensable in electronics and wherever low weight is crucial.

Since our magnets have a tolerance of ±0.1mm, the best method is to glue them into holes with a slightly larger diameter (e.g., 4.1 mm) using epoxy glues. To ensure long-term durability in automation, anaerobic resins are used, which do not react with the nickel coating and fill the gap, guaranteeing high repeatability of the connection.

Magnets N38 are suitable for the majority of applications in automation and machine building, where extreme miniaturization with maximum force is not required. If you need even stronger magnets in the same volume (Ø4x8), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard in continuous sale in our warehouse.

The presented product is a neodymium magnet with precisely defined parameters: diameter 4 mm and height 8 mm. The key parameter here is the holding force amounting to approximately 0.35 kg (force ~3.48 N), which, with such compact dimensions, proves the high power of the NdFeB material. 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 8 mm), which means that the N and S poles are located on the flat, circular surfaces. Such an arrangement is standard 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 as well as cons of rare earth magnets.

Pros

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

They retain magnetic properties for almost 10 years – the loss is just ~1% (in theory),
They retain their magnetic properties even under close interference source,
A magnet with a shiny nickel surface is more attractive,
Magnets have extremely high magnetic induction on the outer layer,
Thanks to resistance to high temperature, they are capable of working (depending on the shape) even at temperatures up to 230°C and higher...
Possibility of exact forming and adjusting to individual requirements,
Significant place in future technologies – they serve a role in data components, drive modules, diagnostic systems, also multitasking production systems.
Relatively small size with high pulling force – neodymium magnets offer impressive pulling force in tiny dimensions, which makes them useful in compact constructions

Disadvantages

Characteristics of disadvantages of neodymium magnets and ways of using them

Susceptibility to cracking is one of their disadvantages. Upon strong impact they can break. We recommend keeping them in a strong case, which not only secures them against impacts but also increases their durability
NdFeB magnets lose power when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of power (a factor is the shape as well as dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are very resistant to heat
Magnets exposed to a humid environment can rust. Therefore while using outdoors, we advise using water-impermeable magnets made of rubber, plastic or other material resistant to moisture
Limited possibility of making nuts in the magnet and complicated forms - preferred is casing - mounting mechanism.
Health risk to health – tiny shards of magnets pose a threat, when accidentally swallowed, which gains importance in the aspect of protecting the youngest. Furthermore, small elements of these products are able to complicate diagnosis medical in case of swallowing.
High unit price – neodymium magnets cost more than other types of magnets (e.g. ferrite), which hinders application in large quantities

Holding force characteristics

Detachment force of the magnet in optimal conditions – what contributes to it?

Holding force of 0.35 kg is a theoretical maximum value conducted under specific, ideal conditions:

using a plate made of low-carbon steel, serving as a magnetic yoke
whose thickness reaches at least 10 mm
characterized by smoothness
under conditions of ideal adhesion (metal-to-metal)
for force acting at a right angle (pull-off, not shear)
in temp. approx. 20°C

Lifting capacity in real conditions – factors

Bear in mind that the application force will differ depending on the following factors, in order of importance:

Air gap (betwixt the magnet and the plate), as even a very small distance (e.g. 0.5 mm) leads to a reduction in lifting capacity by up to 50% (this also applies to paint, corrosion or debris).
Direction of force – maximum parameter is available only during pulling at a 90° angle. The resistance to sliding of the magnet along the surface is typically several times smaller (approx. 1/5 of the lifting capacity).
Base massiveness – insufficiently thick steel causes magnetic saturation, causing part of the power to be lost to the other side.
Material type – ideal substrate is high-permeability steel. Cast iron may attract less.
Base smoothness – the more even the surface, the larger the contact zone and higher the lifting capacity. Unevenness creates an air distance.
Heat – NdFeB sinters have a sensitivity to temperature. When it is hot they are weaker, and in frost they can be stronger (up to a certain limit).

Lifting capacity was measured using a polished steel plate of suitable thickness (min. 20 mm), under perpendicular detachment force, in contrast under shearing force the lifting capacity is smaller. Moreover, even a slight gap between the magnet’s surface and the plate reduces the lifting capacity.

H&S for magnets

Warning for allergy sufferers

Certain individuals experience a contact allergy to nickel, which is the common plating for neodymium magnets. Prolonged contact can result in skin redness. We strongly advise use protective gloves.

Operating temperature

Avoid heat. Neodymium magnets are sensitive to temperature. If you require operation above 80°C, look for HT versions (H, SH, UH).

Magnets are brittle

Despite metallic appearance, the material is delicate and not impact-resistant. Do not hit, as the magnet may shatter into hazardous fragments.

Powerful field

Before starting, read the rules. Sudden snapping can break the magnet or hurt your hand. Think ahead.

Bodily injuries

Watch your fingers. Two large magnets will snap together immediately with a force of several hundred kilograms, destroying everything in their path. Be careful!

Keep away from electronics

Navigation devices and smartphones are extremely sensitive to magnetism. Close proximity with a powerful NdFeB magnet can ruin the internal compass in your phone.

Magnetic media

Device Safety: Strong magnets can damage data carriers and delicate electronics (pacemakers, hearing aids, mechanical watches).

Fire warning

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

Keep away from children

Neodymium magnets are not suitable for play. Swallowing several magnets may result in them connecting inside the digestive tract, which poses a direct threat to life and necessitates urgent medical intervention.

Danger to pacemakers

Warning for patients: Powerful magnets affect electronics. Keep minimum 30 cm distance or request help to handle the magnets.

Caution! Looking for details? Read our article: Are neodymium magnets dangerous?

MW 4x8 / N38 - cylindrical magnet

Physical properties - MW 4x8 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Technical simulation of the product - technical parameters

Table 1: Static pull force (pull vs gap) - characteristics MW 4x8 / N38

Table 2: Shear capacity (vertical surface) MW 4x8 / N38

Table 3: Wall mounting (sliding) - vertical pull MW 4x8 / N38

Table 4: Steel thickness (substrate influence) - power losses MW 4x8 / N38

Table 5: Thermal stability (stability) - resistance threshold MW 4x8 / N38

Table 6: Two magnets (attraction) - field collision MW 4x8 / N38

Table 7: Protective zones (implants) - warnings MW 4x8 / N38

Table 8: Collisions (cracking risk) - collision effects MW 4x8 / N38

Table 9: Surface protection spec MW 4x8 / N38

Table 10: Construction data (Pc) MW 4x8 / N38

Table 11: Hydrostatics and buoyancy MW 4x8 / N38

1. Vertical hold

2. Steel thickness impact

3. Heat tolerance

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

Chemical composition

Sustainability

Force (pull)

Field Strength

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Pros as well as cons of rare earth magnets.

Pros

Disadvantages

Holding force characteristics

Detachment force of the magnet in optimal conditions – what contributes to it?

Lifting capacity in real conditions – factors

H&S for magnets

Warning for allergy sufferers

Operating temperature

Magnets are brittle

Powerful field

Bodily injuries

Keep away from electronics

Magnetic media

Fire warning

Keep away from children

Danger to pacemakers

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static pull force (pull vs gap) - characteristics
MW 4x8 / N38

Table 2: Shear capacity (vertical surface)
MW 4x8 / N38

Table 3: Wall mounting (sliding) - vertical pull
MW 4x8 / N38

Table 4: Steel thickness (substrate influence) - power losses
MW 4x8 / N38

Table 5: Thermal stability (stability) - resistance threshold
MW 4x8 / N38

Table 6: Two magnets (attraction) - field collision
MW 4x8 / N38

Table 7: Protective zones (implants) - warnings
MW 4x8 / N38

Table 8: Collisions (cracking risk) - collision effects
MW 4x8 / N38

Table 9: Surface protection spec
MW 4x8 / N38

Table 10: Construction data (P_c)
MW 4x8 / N38

Table 11: Hydrostatics and buoyancy
MW 4x8 / N38