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MW 10x15 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010005

GTIN/EAN: 5906301810049

5.00

Diameter Ø

10 mm [±0,1 mm]

Height

15 mm [±0,1 mm]

Weight

8.84 g

Magnetization Direction

↑ axial

Load capacity

2.60 kg / 25.51 N

Magnetic Induction

587.44 mT / 5874 Gs

Coating

[NiCuNi] Nickel

6.15 with VAT / pcs + price for transport

5.00 ZŁ net + 23% VAT / pcs

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Technical details - MW 10x15 / N38 - cylindrical magnet

Specification / characteristics - MW 10x15 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010005
GTIN/EAN 5906301810049
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 10 mm [±0,1 mm]
Height 15 mm [±0,1 mm]
Weight 8.84 g
Magnetization Direction ↑ axial
Load capacity ~ ? 2.60 kg / 25.51 N
Magnetic Induction ~ ? 587.44 mT / 5874 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 10x15 / 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

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 assembly - data

These information are the result of a engineering simulation. Values are based on models for the material Nd2Fe14B. Actual performance might slightly deviate from the simulation results. Use these data as a reference point during assembly planning.

Table 1: Static pull force (force vs distance) - power drop
MW 10x15 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 5870 Gs
587.0 mT
2.60 kg / 5.73 pounds
2600.0 g / 25.5 N
warning
1 mm 4702 Gs
470.2 mT
1.67 kg / 3.68 pounds
1668.3 g / 16.4 N
safe
2 mm 3645 Gs
364.5 mT
1.00 kg / 2.21 pounds
1002.8 g / 9.8 N
safe
3 mm 2784 Gs
278.4 mT
0.58 kg / 1.29 pounds
584.8 g / 5.7 N
safe
5 mm 1631 Gs
163.1 mT
0.20 kg / 0.44 pounds
200.7 g / 2.0 N
safe
10 mm 534 Gs
53.4 mT
0.02 kg / 0.05 pounds
21.5 g / 0.2 N
safe
15 mm 234 Gs
23.4 mT
0.00 kg / 0.01 pounds
4.1 g / 0.0 N
safe
20 mm 123 Gs
12.3 mT
0.00 kg / 0.00 pounds
1.1 g / 0.0 N
safe
30 mm 46 Gs
4.6 mT
0.00 kg / 0.00 pounds
0.2 g / 0.0 N
safe
50 mm 13 Gs
1.3 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
safe

Table 2: Sliding hold (vertical surface)
MW 10x15 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.52 kg / 1.15 pounds
520.0 g / 5.1 N
1 mm Stal (~0.2) 0.33 kg / 0.74 pounds
334.0 g / 3.3 N
2 mm Stal (~0.2) 0.20 kg / 0.44 pounds
200.0 g / 2.0 N
3 mm Stal (~0.2) 0.12 kg / 0.26 pounds
116.0 g / 1.1 N
5 mm Stal (~0.2) 0.04 kg / 0.09 pounds
40.0 g / 0.4 N
10 mm Stal (~0.2) 0.00 kg / 0.01 pounds
4.0 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

Table 3: Wall mounting (sliding) - behavior on slippery surfaces
MW 10x15 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.78 kg / 1.72 pounds
780.0 g / 7.7 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.52 kg / 1.15 pounds
520.0 g / 5.1 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.26 kg / 0.57 pounds
260.0 g / 2.6 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
1.30 kg / 2.87 pounds
1300.0 g / 12.8 N

Table 4: Steel thickness (saturation) - sheet metal selection
MW 10x15 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
0.26 kg / 0.57 pounds
260.0 g / 2.6 N
1 mm
25%
0.65 kg / 1.43 pounds
650.0 g / 6.4 N
2 mm
50%
1.30 kg / 2.87 pounds
1300.0 g / 12.8 N
3 mm
75%
1.95 kg / 4.30 pounds
1950.0 g / 19.1 N
5 mm
100%
2.60 kg / 5.73 pounds
2600.0 g / 25.5 N
10 mm
100%
2.60 kg / 5.73 pounds
2600.0 g / 25.5 N
11 mm
100%
2.60 kg / 5.73 pounds
2600.0 g / 25.5 N
12 mm
100%
2.60 kg / 5.73 pounds
2600.0 g / 25.5 N

Table 5: Thermal resistance (stability) - resistance threshold
MW 10x15 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 2.60 kg / 5.73 pounds
2600.0 g / 25.5 N
OK
40 °C -2.2% 2.54 kg / 5.61 pounds
2542.8 g / 24.9 N
OK
60 °C -4.4% 2.49 kg / 5.48 pounds
2485.6 g / 24.4 N
OK
80 °C -6.6% 2.43 kg / 5.35 pounds
2428.4 g / 23.8 N
100 °C -28.8% 1.85 kg / 4.08 pounds
1851.2 g / 18.2 N

Table 6: Two magnets (attraction) - field range
MW 10x15 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Sliding Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 16.68 kg / 36.78 pounds
6 103 Gs
2.50 kg / 5.52 pounds
2502 g / 24.5 N
N/A
1 mm 13.52 kg / 29.80 pounds
10 567 Gs
2.03 kg / 4.47 pounds
2028 g / 19.9 N
12.17 kg / 26.82 pounds
~0 Gs
2 mm 10.70 kg / 23.60 pounds
9 404 Gs
1.61 kg / 3.54 pounds
1606 g / 15.8 N
9.63 kg / 21.24 pounds
~0 Gs
3 mm 8.35 kg / 18.40 pounds
8 304 Gs
1.25 kg / 2.76 pounds
1252 g / 12.3 N
7.51 kg / 16.56 pounds
~0 Gs
5 mm 4.92 kg / 10.85 pounds
6 377 Gs
0.74 kg / 1.63 pounds
738 g / 7.2 N
4.43 kg / 9.77 pounds
~0 Gs
10 mm 1.29 kg / 2.84 pounds
3 262 Gs
0.19 kg / 0.43 pounds
193 g / 1.9 N
1.16 kg / 2.56 pounds
~0 Gs
20 mm 0.14 kg / 0.30 pounds
1 068 Gs
0.02 kg / 0.05 pounds
21 g / 0.2 N
0.12 kg / 0.27 pounds
~0 Gs
50 mm 0.00 kg / 0.01 pounds
145 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
93 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
63 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
45 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
33 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
25 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs

Table 7: Protective zones (implants) - warnings
MW 10x15 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 7.5 cm
Hearing aid 10 Gs (1.0 mT) 5.5 cm
Mechanical watch 20 Gs (2.0 mT) 4.5 cm
Mobile device 40 Gs (4.0 mT) 3.5 cm
Car key 50 Gs (5.0 mT) 3.0 cm
Payment card 400 Gs (40.0 mT) 1.5 cm
HDD hard drive 600 Gs (60.0 mT) 1.0 cm

Table 8: Impact energy (cracking risk) - warning
MW 10x15 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 17.39 km/h
(4.83 m/s)
0.10 J
30 mm 29.96 km/h
(8.32 m/s)
0.31 J
50 mm 38.67 km/h
(10.74 m/s)
0.51 J
100 mm 54.69 km/h
(15.19 m/s)
1.02 J

Table 9: Coating parameters (durability)
MW 10x15 / 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)

Table 10: Electrical data (Flux)
MW 10x15 / N38

Parameter Value SI Unit / Description
Magnetic Flux 4 950 Mx 49.5 µWb
Pc Coefficient 1.09 High (Stable)

Table 11: Submerged application
MW 10x15 / N38

Environment Effective steel pull Effect
Air (land) 2.60 kg Standard
Water (riverbed) 2.98 kg
(+0.38 kg buoyancy gain)
+14.5%
Warning: Remember to wipe the magnet thoroughly after removing it from water and apply a protective layer (e.g., oil) to avoid corrosion.
1. Wall mount (shear)

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

2. Efficiency vs thickness

*Thin metal sheet (e.g. computer case) significantly reduces the holding force.

3. Thermal stability

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

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 1.09

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 Pc (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 Pc 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.

Technical and environmental data
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: 010005-2026
Magnet Unit Converter
Force (pull)

Field Strength

Other proposals

The presented product is an incredibly powerful cylindrical magnet, produced from modern NdFeB material, which, with dimensions of Ø10x15 mm, guarantees maximum efficiency. This specific item boasts an accuracy of ±0.1mm and professional build quality, making it a perfect solution for professional engineers and designers. As a cylindrical magnet with impressive force (approx. 2.60 kg), this product is available off-the-shelf from our warehouse in Poland, ensuring quick 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.
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 25.51 N with a weight of only 8.84 g, this cylindrical magnet is indispensable in electronics and wherever every gram matters.
Due to the delicate structure of the ceramic sinter, we absolutely advise against force-fitting (so-called press-fit), as this risks chipping the coating of this precision component. To ensure long-term durability in industry, 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 industrial neodymium magnets, offering a great economic balance and high resistance to demagnetization. If you need even stronger magnets in the same volume (Ø10x15), 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 Ø10x15 mm, which, at a weight of 8.84 g, makes it an element with high magnetic energy density. The value of 25.51 N means that the magnet is capable of holding a weight many times exceeding its own mass of 8.84 g. The product has a [NiCuNi] coating, which secures it against external factors, 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.

Advantages as well as disadvantages of Nd2Fe14B magnets.

Advantages

Besides their durability, neodymium magnets are valued for these benefits:
  • Their power is durable, and after around 10 years it decreases only by ~1% (according to research),
  • They possess excellent resistance to weakening of magnetic properties due to external fields,
  • A magnet with a metallic gold surface has better aesthetics,
  • The surface of neodymium magnets generates a powerful magnetic field – this is a distinguishing feature,
  • Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their form) at temperatures up to 230°C and above...
  • Possibility of precise shaping and optimizing to atypical conditions,
  • Significant place in modern industrial fields – they are commonly used in data components, electric drive systems, precision medical tools, and modern systems.
  • Relatively small size with high pulling force – neodymium magnets offer high power in compact dimensions, which makes them useful in compact constructions

Weaknesses

Disadvantages of NdFeB magnets:
  • They are prone to damage upon heavy impacts. To avoid cracks, it is worth securing magnets using a steel holder. Such protection not only shields the magnet but also increases its resistance to damage
  • We warn that neodymium magnets can lose their power at high temperatures. To prevent this, we recommend our specialized [AH] magnets, which work effectively even at 230°C.
  • When exposed to humidity, magnets usually rust. To use them in conditions outside, it is recommended to use protective magnets, such as those in rubber or plastics, which prevent oxidation as well as corrosion.
  • Due to limitations in creating nuts and complicated shapes in magnets, we propose using casing - magnetic mechanism.
  • Possible danger resulting from small fragments of magnets can be dangerous, in case of ingestion, which becomes key in the context of child safety. Furthermore, tiny parts of these magnets can be problematic in diagnostics medical after entering the body.
  • High unit price – neodymium magnets have a higher price than other types of magnets (e.g. ferrite), which can limit application in large quantities

Holding force characteristics

Maximum holding power of the magnet – what contributes to it?

Magnet power was defined for the most favorable conditions, taking into account:
  • on a base made of structural steel, optimally conducting the magnetic field
  • possessing a thickness of at least 10 mm to ensure full flux closure
  • with a surface perfectly flat
  • without any air gap between the magnet and steel
  • under perpendicular force direction (90-degree angle)
  • at conditions approx. 20°C

What influences lifting capacity in practice

In real-world applications, the actual holding force results from several key aspects, presented from crucial:
  • Distance – the presence of any layer (paint, dirt, air) acts as an insulator, which lowers power rapidly (even by 50% at 0.5 mm).
  • Force direction – catalog parameter refers to detachment vertically. When applying parallel force, the magnet exhibits much less (typically approx. 20-30% of maximum force).
  • Element thickness – for full efficiency, the steel must be adequately massive. Thin sheet restricts the attraction force (the magnet "punches through" it).
  • Metal type – not every steel attracts identically. Alloy additives weaken the attraction effect.
  • Smoothness – ideal contact is possible only on polished steel. Rough texture reduce the real contact area, reducing force.
  • Operating temperature – NdFeB sinters have a negative temperature coefficient. At higher temperatures they are weaker, and at low temperatures they can be stronger (up to a certain limit).

Holding force was tested on the plate surface of 20 mm thickness, when a perpendicular force was applied, in contrast under attempts to slide the magnet the lifting capacity is smaller. In addition, even a slight gap between the magnet’s surface and the plate lowers the load capacity.

Safety rules for work with neodymium magnets
Eye protection

Neodymium magnets are ceramic materials, meaning they are prone to chipping. Clashing of two magnets will cause them breaking into shards.

No play value

NdFeB magnets are not intended for children. Eating several magnets can lead to them connecting inside the digestive tract, which poses a severe health hazard and requires urgent medical intervention.

Mechanical processing

Mechanical processing of neodymium magnets poses a fire hazard. Magnetic powder oxidizes rapidly with oxygen and is hard to extinguish.

Do not underestimate power

Use magnets with awareness. Their powerful strength can surprise even professionals. Plan your moves and respect their power.

Warning for heart patients

Medical warning: Neodymium magnets can deactivate heart devices and defibrillators. Stay away if you have medical devices.

Allergy Warning

Warning for allergy sufferers: The Ni-Cu-Ni coating consists of nickel. If redness occurs, cease handling magnets and use protective gear.

Physical harm

Danger of trauma: The pulling power is so great that it can cause blood blisters, pinching, and even bone fractures. Protective gloves are recommended.

Threat to navigation

GPS units and smartphones are extremely susceptible to magnetic fields. Close proximity with a strong magnet can ruin the internal compass in your phone.

Keep away from computers

Intense magnetic fields can erase data on credit cards, hard drives, and storage devices. Keep a distance of at least 10 cm.

Maximum temperature

Do not overheat. Neodymium magnets are sensitive to temperature. If you need resistance above 80°C, look for HT versions (H, SH, UH).

Attention! Need more info? Check our post: Why are neodymium magnets dangerous?