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MW 10x1.5 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010003

GTIN/EAN: 5906301810001

5.00

Diameter Ø

10 mm [±0,1 mm]

Height

1.5 mm [±0,1 mm]

Weight

0.88 g

Magnetization Direction

↑ axial

Load capacity

0.82 kg / 8.01 N

Magnetic Induction

178.06 mT / 1781 Gs

Coating

[NiCuNi] Nickel

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0.431 ZŁ with VAT / pcs + price for transport

0.350 ZŁ net + 23% VAT / pcs

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Technical of the product - MW 10x1.5 / N38 - cylindrical magnet

Specification / characteristics - MW 10x1.5 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010003
GTIN/EAN 5906301810001
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 1.5 mm [±0,1 mm]
Weight 0.88 g
Magnetization Direction ↑ axial
Load capacity ~ ? 0.82 kg / 8.01 N
Magnetic Induction ~ ? 178.06 mT / 1781 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 10x1.5 / 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

Technical modeling of the product - data

These data are the outcome of a physical analysis. Results rely on algorithms for the class Nd2Fe14B. Actual performance might slightly differ. Use these calculations as a reference point for designers.

Table 1: Static pull force (pull vs distance) - interaction chart
MW 10x1.5 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 1780 Gs
178.0 mT
 0.82 kg / 1.81 lbs
820.0 g / 8.0 N
 weak grip
1 mm 1557 Gs
155.7 mT
 0.63 kg / 1.38 lbs
627.2 g / 6.2 N
 weak grip
2 mm 1253 Gs
125.3 mT
 0.41 kg / 0.90 lbs
406.2 g / 4.0 N
 weak grip
3 mm 958 Gs
95.8 mT
 0.24 kg / 0.52 lbs
237.4 g / 2.3 N
 weak grip
5 mm 530 Gs
53.0 mT
 0.07 kg / 0.16 lbs
72.8 g / 0.7 N
 weak grip
10 mm 140 Gs
14.0 mT
 0.01 kg / 0.01 lbs
5.1 g / 0.1 N
 weak grip
15 mm 52 Gs
5.2 mT
 0.00 kg / 0.00 lbs
0.7 g / 0.0 N
 weak grip
20 mm 24 Gs
2.4 mT
 0.00 kg / 0.00 lbs
0.1 g / 0.0 N
 weak grip
30 mm 8 Gs
0.8 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 weak grip
50 mm 2 Gs
0.2 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 weak grip
Magnetic force drops significantly per each millimeter of gap. Keep in mind that even a very thin break (e.g., dirt, paint, dust) strongly diminishes the holding power. Neodymiums hold optimally during direct contact; distance drastically cuts the force. Notice how quickly the parameters fall, when the magnet does not touch directly to the metal substrate. When designing the assembly, discard unnecessary gaps.

Table 2: Sliding capacity (vertical surface)
MW 10x1.5 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.16 kg / 0.36 lbs
164.0 g / 1.6 N
1 mm Stal (~0.2) 0.13 kg / 0.28 lbs
126.0 g / 1.2 N
2 mm Stal (~0.2) 0.08 kg / 0.18 lbs
82.0 g / 0.8 N
3 mm Stal (~0.2) 0.05 kg / 0.11 lbs
48.0 g / 0.5 N
5 mm Stal (~0.2) 0.01 kg / 0.03 lbs
14.0 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 theoretical force necessary to initiate the shifting of the magnet vertically along a upright steel wall (assuming standard friction). This value is a function of the gap size between the magnet and the surface.

Table 3: Vertical assembly (sliding) - vertical pull
MW 10x1.5 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.25 kg / 0.54 lbs
246.0 g / 2.4 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.16 kg / 0.36 lbs
164.0 g / 1.6 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.08 kg / 0.18 lbs
82.0 g / 0.8 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.41 kg / 0.90 lbs
410.0 g / 4.0 N
When placing a magnet on a vertical wall (e.g., a board), it will maintain only about 1/5 of its nominal power. Gravity as well as a weak degree of grip mean that holders slip easier than they pop off the substrate. Designing a wall mount? Remember that the shear force is significantly lower than the perpendicular breakaway force. On a painted metal, the element will slide down under a noticeably lighter load. Using a rubber coating can significantly improve the result.

Table 4: Steel thickness (saturation) - sheet metal selection
MW 10x1.5 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
 0.08 kg / 0.18 lbs
82.0 g / 0.8 N
1 mm
25%
 0.21 kg / 0.45 lbs
205.0 g / 2.0 N
2 mm
50%
 0.41 kg / 0.90 lbs
410.0 g / 4.0 N
3 mm
75%
 0.62 kg / 1.36 lbs
615.0 g / 6.0 N
5 mm
100%
 0.82 kg / 1.81 lbs
820.0 g / 8.0 N
10 mm
100%
 0.82 kg / 1.81 lbs
820.0 g / 8.0 N
11 mm
100%
 0.82 kg / 1.81 lbs
820.0 g / 8.0 N
12 mm
100%
 0.82 kg / 1.81 lbs
820.0 g / 8.0 N
A too thin steel is not enough to conduct the full magnetic flux, which squanders power of the magnet. Should you install a neodymium to a weak sheet, the field will pass right through and the pull force will drop sharply. To achieve the maximum of this neodymium's potential, you need a suitably thick element of metal. The material oversaturation causes that on delicate walls (e.g., thin profiles), the magnet shows lower pull force. We suggest choosing the steel thickness based on the following data.

Table 5: Thermal resistance (material behavior) - power drop
MW 10x1.5 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 0.82 kg / 1.81 lbs
820.0 g / 8.0 N
 OK
40 °C -2.2% 0.80 kg / 1.77 lbs
802.0 g / 7.9 N
 OK
60 °C -4.4% 0.78 kg / 1.73 lbs
783.9 g / 7.7 N
80 °C -6.6% 0.77 kg / 1.69 lbs
765.9 g / 7.5 N
100 °C -28.8% 0.58 kg / 1.29 lbs
583.8 g / 5.7 N
Ordinary NdFeB products lose parameters after exceeding the maximum temperature. Watch out for overheating – excessive heat can irreversibly damage this magnet. With every degree above norm, the neodymium's force temporarily drops. Avoid using this magnet in hot environments higher than its working range. Exceeding the critical threshold will result in irreversible degradation of magnetic properties.
*Technical advisory: Temperature resistance is determined by both grade, but also on the magnet's shape. Low-profile magnets (pancake types) are more susceptible to demagnetization at lower temperatures compared to rod magnets. Warning indicator in the table points to permanent field degradation for this particular item.

Table 6: Two magnets (repulsion) - forces in the system
MW 10x1.5 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Sliding Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 1.53 kg / 3.38 lbs
3 185 Gs
0.23 kg / 0.51 lbs
230 g / 2.3 N
 N/A
1 mm 1.38 kg / 3.03 lbs
3 371 Gs
0.21 kg / 0.45 lbs
206 g / 2.0 N
 1.24 kg / 2.73 lbs
~0 Gs
2 mm 1.17 kg / 2.59 lbs
3 114 Gs
0.18 kg / 0.39 lbs
176 g / 1.7 N
 1.06 kg / 2.33 lbs
~0 Gs
3 mm 0.96 kg / 2.12 lbs
2 817 Gs
0.14 kg / 0.32 lbs
144 g / 1.4 N
 0.86 kg / 1.91 lbs
~0 Gs
5 mm 0.59 kg / 1.29 lbs
2 201 Gs
0.09 kg / 0.19 lbs
88 g / 0.9 N
 0.53 kg / 1.16 lbs
~0 Gs
10 mm 0.14 kg / 0.30 lbs
1 060 Gs
0.02 kg / 0.05 lbs
20 g / 0.2 N
 0.12 kg / 0.27 lbs
~0 Gs
20 mm 0.01 kg / 0.02 lbs
281 Gs
0.00 kg / 0.00 lbs
1 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
50 mm 0.00 kg / 0.00 lbs
26 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
15 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
10 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
7 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
5 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
4 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
Two magnetic products interact from a wider radius than a neodymium and metal combination. Such a system of two magnets produces a massive flux and a larger range of performance. Want to build a strong closure? Apply two magnets instead of one magnet and a striker plate. Remember that when attracting two neodymiums, the pinch force is extreme. The repulsion force is slightly lower than the connection force, but still large.
*The magnetic induction in repulsion mode drops to ~0 Gs at the geometric center of the gap (resulting from vector opposition).
* Results refer to friction force of a pair of matching neodymium magnets (friction coefficient ~0.15 for Ni-Ni layer).

Table 7: Protective zones (electronics) - warnings
MW 10x1.5 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 3.5 cm
Hearing aid 10 Gs (1.0 mT) 3.0 cm
Mechanical watch 20 Gs (2.0 mT) 2.5 cm
Mobile device 40 Gs (4.0 mT) 2.0 cm
Remote 50 Gs (5.0 mT) 2.0 cm
Payment card 400 Gs (40.0 mT) 1.0 cm
HDD hard drive 600 Gs (60.0 mT) 0.5 cm
Extremely neodym field is a serious hazard to IT equipment and medical implants. These neodymiums generate a flux that prevents correct functioning of sensitive medical devices. Remember: the unseen radiation acts through matter and glass. Exceptional care must be exercised by people with cochlear implants and insulin pumps. The risk also applies to: mechanical watches, remotes, speakers, and displays. Do not bring the product near payment cards, HDD media, or sensitive navigation tools.

Table 8: Collisions (cracking risk) - collision effects
MW 10x1.5 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 30.91 km/h
(8.58 m/s)
 0.03 J
30 mm 53.32 km/h
(14.81 m/s)
 0.10 J
50 mm 68.84 km/h
(19.12 m/s)
 0.16 J
100 mm 97.35 km/h
(27.04 m/s)
 0.32 J
Neodymium magnets are prone to chipping – a strong collision with metal can result in shattering. Watch the impact speed – a magnet released freely becomes dangerous. Striking energy can destroy the magnet or injury to fingers. Hold the magnet firmly during installation so it doesn't hit violently against the metal. A collision at high speed means shattering of the neodymium. Wear eye protection when working with large magnets.

Table 9: Surface protection spec
MW 10x1.5 / 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. Note the thickness of the protective layer.

Table 10: Electrical data (Flux)
MW 10x1.5 / N38

Parameter Value SI Unit / Description
Magnetic Flux 1 717 Mx 17.2 µWb
Pc Coefficient 0.22 Low (Flat)
Total magnetic flux emitted by the pole surface. Essential parameter when building generators as well as sensors. Pc value determines the magnet's operating point.

Table 11: Submerged application
MW 10x1.5 / N38

Environment Effective steel pull Effect
Air (land) 0.82 kg Standard
Water (riverbed) 0.94 kg
(+0.12 kg buoyancy gain)
+14.5%
Rust risk: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.
In water, the magnet feels stronger thanks to Archimedes' principle. However, remember the water resistance when pulling the rope quickly.
1. Shear force

*Caution: On a vertical surface, the magnet holds just approx. 20-30% of its nominal pull.

2. Plate thickness effect

*Thin steel (e.g. computer case) significantly limits the holding force.

3. Heat tolerance

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

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.22

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 specification and ecology
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%
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: 010003-2026
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The presented product is an extremely powerful rod magnet, produced from advanced NdFeB material, which, with dimensions of Ø10x1.5 mm, guarantees maximum efficiency. The MW 10x1.5 / N38 model boasts high dimensional repeatability and industrial build quality, making it an excellent solution for professional engineers and designers. As a cylindrical magnet with significant force (approx. 0.82 kg), this product is available off-the-shelf from our European logistics center, ensuring lightning-fast order fulfillment. Moreover, its triple-layer Ni-Cu-Ni coating effectively protects it against corrosion in typical operating conditions, ensuring an aesthetic appearance and durability for years.
This model is created for building electric motors, advanced Hall effect sensors, and efficient magnetic separators, where field concentration on a small surface counts. Thanks to the high power of 8.01 N with a weight of only 0.88 g, this cylindrical magnet is indispensable in miniature devices 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 professional component. To ensure long-term durability in automation, anaerobic resins are used, which are safe for nickel and fill the gap, guaranteeing durability of the connection.
Magnets NdFeB grade N38 are strong enough for 90% 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 (Ø10x1.5), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard available off-the-shelf in our warehouse.
This model is characterized by dimensions Ø10x1.5 mm, which, at a weight of 0.88 g, makes it an element with impressive magnetic energy density. The key parameter here is the lifting capacity amounting to approximately 0.82 kg (force ~8.01 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 cylinder is magnetized axially (along the height of 1.5 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 through the diameter if your project requires it.

Advantages as well as disadvantages of rare earth magnets.

Strengths

Besides their durability, neodymium magnets are valued for these benefits:
  • Their strength is maintained, and after around ten years it drops only by ~1% (according to research),
  • They show high resistance to demagnetization induced by external field influence,
  • The use of an elegant finish of noble metals (nickel, gold, silver) causes the element to be more visually attractive,
  • They show high magnetic induction at the operating surface, which increases their power,
  • 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 individual shaping and adapting to complex needs,
  • Versatile presence in advanced technology sectors – they serve a role in magnetic memories, motor assemblies, precision medical tools, also complex engineering applications.
  • Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in compact dimensions, which allows their use in miniature devices

Limitations

Characteristics of disadvantages of neodymium magnets: tips and applications.
  • They are prone to damage upon too strong impacts. To avoid cracks, it is worth protecting magnets in special housings. Such protection not only protects the magnet but also increases its resistance to damage
  • When exposed to high temperature, neodymium magnets suffer a drop in force. Often, when the temperature exceeds 80°C, their power decreases (depending on the size, as well as shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
  • They oxidize in a humid environment. For use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
  • Limited possibility of producing threads in the magnet and complex shapes - preferred is a housing - magnet mounting.
  • Health risk to health – tiny shards of magnets are risky, in case of ingestion, which is particularly important in the context of child health protection. Furthermore, tiny parts of these products are able to disrupt the diagnostic process medical in case of swallowing.
  • Due to neodymium price, their price exceeds standard values,

Pull force analysis

Maximum lifting force for a neodymium magnet – what contributes to it?

Holding force of 0.82 kg is a measurement result performed under the following configuration:
  • with the application of a sheet made of special test steel, guaranteeing full magnetic saturation
  • whose thickness is min. 10 mm
  • characterized by lack of roughness
  • under conditions of no distance (metal-to-metal)
  • for force acting at a right angle (pull-off, not shear)
  • at temperature room level

Determinants of practical lifting force of a magnet

Real force is influenced by specific conditions, such as (from most important):
  • Gap (between the magnet and the plate), as even a tiny distance (e.g. 0.5 mm) results in a decrease in lifting capacity by up to 50% (this also applies to varnish, rust or debris).
  • Force direction – note that the magnet holds strongest perpendicularly. Under sliding down, the capacity drops significantly, often to levels of 20-30% of the maximum value.
  • Substrate thickness – for full efficiency, the steel must be sufficiently thick. Paper-thin metal limits the lifting capacity (the magnet "punches through" it).
  • Material type – the best choice is high-permeability steel. Hardened steels may attract less.
  • Smoothness – ideal contact is possible only on polished steel. Rough texture reduce the real contact area, weakening the magnet.
  • Thermal environment – heating the magnet causes a temporary drop of force. It is worth remembering the thermal limit for a given model.

Lifting capacity was determined by applying a smooth steel plate of optimal thickness (min. 20 mm), under vertically applied force, however under parallel forces the holding force is lower. In addition, even a small distance between the magnet’s surface and the plate lowers the holding force.

Warnings
GPS Danger

A powerful magnetic field negatively affects the operation of compasses in smartphones and GPS navigation. Maintain magnets close to a device to avoid breaking the sensors.

Keep away from computers

Equipment safety: Neodymium magnets can damage payment cards and delicate electronics (heart implants, hearing aids, timepieces).

Magnet fragility

Despite the nickel coating, neodymium is brittle and not impact-resistant. Do not hit, as the magnet may crumble into sharp, dangerous pieces.

Medical interference

People with a heart stimulator have to keep an large gap from magnets. The magnetic field can interfere with the functioning of the implant.

Crushing force

Big blocks can smash fingers in a fraction of a second. Under no circumstances put your hand betwixt two strong magnets.

Sensitization to coating

Warning for allergy sufferers: The nickel-copper-nickel coating contains nickel. If redness happens, immediately stop handling magnets and wear gloves.

Danger to the youngest

Strictly store magnets away from children. Choking hazard is significant, and the consequences of magnets clamping inside the body are fatal.

Permanent damage

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

Safe operation

Handle with care. Rare earth magnets attract from a long distance and snap with huge force, often quicker than you can move away.

Flammability

Fire warning: Rare earth powder is highly flammable. Avoid machining magnets without safety gear as this may cause fire.

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