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MW 5x10 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010083

GTIN/EAN: 5906301810827

5.00

Diameter Ø

5 mm [±0,1 mm]

Height

10 mm [±0,1 mm]

Weight

1.47 g

Magnetization Direction

↑ axial

Load capacity

0.56 kg / 5.45 N

Magnetic Induction

599.97 mT / 6000 Gs

Coating

[NiCuNi] Nickel

0.800 with VAT / pcs + price for transport

0.650 ZŁ net + 23% VAT / pcs

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Product card - MW 5x10 / N38 - cylindrical magnet

Specification / characteristics - MW 5x10 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010083
GTIN/EAN 5906301810827
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 5 mm [±0,1 mm]
Height 10 mm [±0,1 mm]
Weight 1.47 g
Magnetization Direction ↑ axial
Load capacity ~ ? 0.56 kg / 5.45 N
Magnetic Induction ~ ? 599.97 mT / 6000 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 5x10 / 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 data constitute the direct effect of a mathematical simulation. Values are based on models for the class Nd2Fe14B. Operational performance may differ. Use these data as a supplementary guide during assembly planning.

Table 1: Static pull force (force vs distance) - power drop
MW 5x10 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 5990 Gs
599.0 mT
0.56 kg / 1.23 LBS
560.0 g / 5.5 N
safe
1 mm 3743 Gs
374.3 mT
0.22 kg / 0.48 LBS
218.7 g / 2.1 N
safe
2 mm 2197 Gs
219.7 mT
0.08 kg / 0.17 LBS
75.3 g / 0.7 N
safe
3 mm 1325 Gs
132.5 mT
0.03 kg / 0.06 LBS
27.4 g / 0.3 N
safe
5 mm 570 Gs
57.0 mT
0.01 kg / 0.01 LBS
5.1 g / 0.0 N
safe
10 mm 137 Gs
13.7 mT
0.00 kg / 0.00 LBS
0.3 g / 0.0 N
safe
15 mm 54 Gs
5.4 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
safe
20 mm 26 Gs
2.6 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
safe
30 mm 9 Gs
0.9 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
safe
50 mm 2 Gs
0.2 mT
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
safe

Table 2: Sliding capacity (wall)
MW 5x10 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.11 kg / 0.25 LBS
112.0 g / 1.1 N
1 mm Stal (~0.2) 0.04 kg / 0.10 LBS
44.0 g / 0.4 N
2 mm Stal (~0.2) 0.02 kg / 0.04 LBS
16.0 g / 0.2 N
3 mm Stal (~0.2) 0.01 kg / 0.01 LBS
6.0 g / 0.1 N
5 mm Stal (~0.2) 0.00 kg / 0.00 LBS
2.0 g / 0.0 N
10 mm Stal (~0.2) 0.00 kg / 0.00 LBS
0.0 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

Table 3: Wall mounting (sliding) - vertical pull
MW 5x10 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.17 kg / 0.37 LBS
168.0 g / 1.6 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.11 kg / 0.25 LBS
112.0 g / 1.1 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.06 kg / 0.12 LBS
56.0 g / 0.5 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.28 kg / 0.62 LBS
280.0 g / 2.7 N

Table 4: Steel thickness (saturation) - power losses
MW 5x10 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
0.06 kg / 0.12 LBS
56.0 g / 0.5 N
1 mm
25%
0.14 kg / 0.31 LBS
140.0 g / 1.4 N
2 mm
50%
0.28 kg / 0.62 LBS
280.0 g / 2.7 N
3 mm
75%
0.42 kg / 0.93 LBS
420.0 g / 4.1 N
5 mm
100%
0.56 kg / 1.23 LBS
560.0 g / 5.5 N
10 mm
100%
0.56 kg / 1.23 LBS
560.0 g / 5.5 N
11 mm
100%
0.56 kg / 1.23 LBS
560.0 g / 5.5 N
12 mm
100%
0.56 kg / 1.23 LBS
560.0 g / 5.5 N

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

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 0.56 kg / 1.23 LBS
560.0 g / 5.5 N
OK
40 °C -2.2% 0.55 kg / 1.21 LBS
547.7 g / 5.4 N
OK
60 °C -4.4% 0.54 kg / 1.18 LBS
535.4 g / 5.3 N
OK
80 °C -6.6% 0.52 kg / 1.15 LBS
523.0 g / 5.1 N
100 °C -28.8% 0.40 kg / 0.88 LBS
398.7 g / 3.9 N

Table 6: Two magnets (attraction) - forces in the system
MW 5x10 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Sliding Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 4.34 kg / 9.58 LBS
6 127 Gs
0.65 kg / 1.44 LBS
652 g / 6.4 N
N/A
1 mm 2.81 kg / 6.19 LBS
9 631 Gs
0.42 kg / 0.93 LBS
421 g / 4.1 N
2.53 kg / 5.57 LBS
~0 Gs
2 mm 1.70 kg / 3.74 LBS
7 486 Gs
0.25 kg / 0.56 LBS
254 g / 2.5 N
1.53 kg / 3.37 LBS
~0 Gs
3 mm 1.00 kg / 2.20 LBS
5 737 Gs
0.15 kg / 0.33 LBS
149 g / 1.5 N
0.90 kg / 1.98 LBS
~0 Gs
5 mm 0.35 kg / 0.77 LBS
3 391 Gs
0.05 kg / 0.12 LBS
52 g / 0.5 N
0.31 kg / 0.69 LBS
~0 Gs
10 mm 0.04 kg / 0.09 LBS
1 140 Gs
0.01 kg / 0.01 LBS
6 g / 0.1 N
0.04 kg / 0.08 LBS
~0 Gs
20 mm 0.00 kg / 0.01 LBS
274 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs
50 mm 0.00 kg / 0.00 LBS
30 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
19 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
12 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
9 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
6 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
5 Gs
0.00 kg / 0.00 LBS
0 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs

Table 7: Safety (HSE) (implants) - warnings
MW 5x10 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 4.0 cm
Hearing aid 10 Gs (1.0 mT) 3.0 cm
Mechanical watch 20 Gs (2.0 mT) 2.5 cm
Phone / Smartphone 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

Table 8: Dynamics (kinetic energy) - collision effects
MW 5x10 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 19.69 km/h
(5.47 m/s)
0.02 J
30 mm 34.09 km/h
(9.47 m/s)
0.07 J
50 mm 44.02 km/h
(12.23 m/s)
0.11 J
100 mm 62.25 km/h
(17.29 m/s)
0.22 J

Table 9: Surface protection spec
MW 5x10 / 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: Construction data (Pc)
MW 5x10 / N38

Parameter Value SI Unit / Description
Magnetic Flux 1 306 Mx 13.1 µWb
Pc Coefficient 1.21 High (Stable)

Table 11: Hydrostatics and buoyancy
MW 5x10 / N38

Environment Effective steel pull Effect
Air (land) 0.56 kg Standard
Water (riverbed) 0.64 kg
(+0.08 kg buoyancy gain)
+14.5%
Corrosion warning: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.
1. Wall mount (shear)

*Note: On a vertical surface, the magnet holds only a fraction of its max power.

2. Steel saturation

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

3. Thermal stability

*For N38 material, the max working temp is 80°C.

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 1.21

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
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: 010083-2026
Magnet Unit Converter
Pulling force

Field Strength

Other products

The offered product is a very strong cylindrical magnet, composed of durable NdFeB material, which, with dimensions of Ø5x10 mm, guarantees maximum efficiency. The MW 5x10 / N38 model boasts a tolerance of ±0.1mm and professional build quality, making it an excellent solution for the most demanding engineers and designers. As a magnetic rod with significant force (approx. 0.56 kg), this product is available off-the-shelf 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 field concentration on a small surface counts. Thanks to the high power of 5.45 N with a weight of only 1.47 g, this rod is indispensable in electronics and wherever low weight is crucial.
Since our magnets have a tolerance of ±0.1mm, the recommended way is to glue them into holes with a slightly larger diameter (e.g., 5.1 mm) using two-component epoxy glues. 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 suitable for the majority of applications in modeling and machine building, where excessive miniaturization with maximum force is not required. If you need the strongest magnets in the same volume (Ø5x10), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard available off-the-shelf in our store.
The presented product is a neodymium magnet with precisely defined parameters: diameter 5 mm and height 10 mm. The value of 5.45 N means that the magnet is capable of holding a weight many times exceeding its own mass of 1.47 g. The product has a [NiCuNi] coating, which protects the surface 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. 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 through the diameter if your project requires it.

Advantages as well as disadvantages of Nd2Fe14B magnets.

Strengths

Besides their high retention, neodymium magnets are valued for these benefits:
  • They do not lose strength, even after approximately 10 years – the drop in power is only ~1% (based on measurements),
  • Magnets very well defend themselves against demagnetization caused by ambient magnetic noise,
  • The use of an aesthetic finish of noble metals (nickel, gold, silver) causes the element to look better,
  • Magnets have huge magnetic induction on the surface,
  • Thanks to resistance to high temperature, they are capable of working (depending on the form) even at temperatures up to 230°C and higher...
  • Possibility of individual creating and modifying to precise needs,
  • Fundamental importance in advanced technology sectors – they are utilized in computer drives, electric motors, medical equipment, also industrial machines.
  • Relatively small size with high pulling force – neodymium magnets offer impressive pulling force in tiny dimensions, which makes them useful in small systems

Limitations

Problematic aspects of neodymium magnets and ways of using them
  • They are prone to damage upon heavy impacts. To avoid cracks, it is worth securing magnets using a steel holder. Such protection not only protects the magnet but also improves its resistance to damage
  • When exposed to high temperature, neodymium magnets suffer a drop in strength. Often, when the temperature exceeds 80°C, their strength 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
  • 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 secure oxidation as well as corrosion.
  • We recommend a housing - magnetic mount, due to difficulties in producing threads inside the magnet and complicated shapes.
  • Potential hazard related to microscopic parts of magnets are risky, if swallowed, which becomes key in the context of child safety. It is also worth noting that small elements of these devices can be problematic in diagnostics medical in case of swallowing.
  • With large orders the cost of neodymium magnets is a challenge,

Holding force characteristics

Magnetic strength at its maximum – what it depends on?

The specified lifting capacity refers to the limit force, measured under ideal test conditions, namely:
  • with the application of a sheet made of low-carbon steel, guaranteeing full magnetic saturation
  • possessing a massiveness of min. 10 mm to ensure full flux closure
  • with an ideally smooth touching surface
  • with direct contact (without paint)
  • for force acting at a right angle (pull-off, not shear)
  • at ambient temperature approx. 20 degrees Celsius

Lifting capacity in practice – influencing factors

Please note that the magnet holding will differ influenced by the following factors, in order of importance:
  • Clearance – the presence of foreign body (rust, dirt, air) interrupts the magnetic circuit, which lowers power steeply (even by 50% at 0.5 mm).
  • Force direction – catalog parameter refers to pulling vertically. When applying parallel force, the magnet exhibits much less (often approx. 20-30% of nominal force).
  • Wall thickness – thin material does not allow full use of the magnet. Part of the magnetic field penetrates through instead of generating force.
  • Chemical composition of the base – low-carbon steel attracts best. Alloy admixtures lower magnetic permeability and lifting capacity.
  • Surface condition – smooth surfaces guarantee perfect abutment, which increases force. Uneven metal weaken the grip.
  • Temperature – heating the magnet causes a temporary drop of induction. Check the thermal limit for a given model.

Lifting capacity was measured using a steel plate with a smooth surface of suitable thickness (min. 20 mm), under perpendicular detachment force, in contrast under parallel forces the load capacity is reduced by as much as fivefold. Additionally, even a small distance between the magnet’s surface and the plate decreases the holding force.

Precautions when working with NdFeB magnets
Heat sensitivity

Keep cool. NdFeB magnets are susceptible to heat. If you need resistance above 80°C, inquire about HT versions (H, SH, UH).

Pacemakers

Medical warning: Strong magnets can deactivate heart devices and defibrillators. Do not approach if you have medical devices.

Flammability

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

Cards and drives

Device Safety: Strong magnets can ruin data carriers and delicate electronics (heart implants, hearing aids, timepieces).

Compass and GPS

GPS units and mobile phones are highly susceptible to magnetic fields. Direct contact with a powerful NdFeB magnet can ruin the sensors in your phone.

Adults only

Product intended for adults. Tiny parts can be swallowed, leading to severe trauma. Keep away from kids and pets.

Safe operation

Exercise caution. Neodymium magnets attract from a long distance and snap with huge force, often faster than you can move away.

Magnets are brittle

Neodymium magnets are sintered ceramics, which means they are fragile like glass. Clashing of two magnets leads to them breaking into shards.

Hand protection

Large magnets can break fingers in a fraction of a second. Never place your hand between two attracting surfaces.

Allergy Warning

A percentage of the population suffer from a contact allergy to nickel, which is the typical protective layer for neodymium magnets. Frequent touching can result in an allergic reaction. We recommend use protective gloves.

Attention! Details about risks in the article: Magnet Safety Guide.
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98