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MW 14x10 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010391

GTIN/EAN: 5906301811084

5.00

Diameter Ø

14 mm [±0,1 mm]

Height

10 mm [±0,1 mm]

Weight

11.55 g

Magnetization Direction

↑ axial

Load capacity

6.71 kg / 65.83 N

Magnetic Induction

507.48 mT / 5075 Gs

Coating

[NiCuNi] Nickel

6.84 with VAT / pcs + price for transport

5.56 ZŁ net + 23% VAT / pcs

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Technical parameters of the product - MW 14x10 / N38 - cylindrical magnet

Specification / characteristics - MW 14x10 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010391
GTIN/EAN 5906301811084
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 14 mm [±0,1 mm]
Height 10 mm [±0,1 mm]
Weight 11.55 g
Magnetization Direction ↑ axial
Load capacity ~ ? 6.71 kg / 65.83 N
Magnetic Induction ~ ? 507.48 mT / 5075 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 14x10 / 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

Engineering modeling of the assembly - report

These values constitute the direct effect of a mathematical analysis. Values were calculated on algorithms for the class Nd2Fe14B. Real-world performance may differ. Treat these calculations as a preliminary roadmap when designing systems.

Table 1: Static force (force vs gap) - characteristics
MW 14x10 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 5072 Gs
507.2 mT
6.71 kg / 14.79 lbs
6710.0 g / 65.8 N
strong
1 mm 4354 Gs
435.4 mT
4.94 kg / 10.90 lbs
4944.4 g / 48.5 N
strong
2 mm 3652 Gs
365.2 mT
3.48 kg / 7.67 lbs
3479.0 g / 34.1 N
strong
3 mm 3017 Gs
301.7 mT
2.37 kg / 5.23 lbs
2373.5 g / 23.3 N
strong
5 mm 2015 Gs
201.5 mT
1.06 kg / 2.33 lbs
1058.7 g / 10.4 N
low risk
10 mm 773 Gs
77.3 mT
0.16 kg / 0.34 lbs
155.7 g / 1.5 N
low risk
15 mm 352 Gs
35.2 mT
0.03 kg / 0.07 lbs
32.3 g / 0.3 N
low risk
20 mm 186 Gs
18.6 mT
0.01 kg / 0.02 lbs
9.0 g / 0.1 N
low risk
30 mm 69 Gs
6.9 mT
0.00 kg / 0.00 lbs
1.3 g / 0.0 N
low risk
50 mm 18 Gs
1.8 mT
0.00 kg / 0.00 lbs
0.1 g / 0.0 N
low risk

Table 2: Vertical force (wall)
MW 14x10 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 1.34 kg / 2.96 lbs
1342.0 g / 13.2 N
1 mm Stal (~0.2) 0.99 kg / 2.18 lbs
988.0 g / 9.7 N
2 mm Stal (~0.2) 0.70 kg / 1.53 lbs
696.0 g / 6.8 N
3 mm Stal (~0.2) 0.47 kg / 1.04 lbs
474.0 g / 4.6 N
5 mm Stal (~0.2) 0.21 kg / 0.47 lbs
212.0 g / 2.1 N
10 mm Stal (~0.2) 0.03 kg / 0.07 lbs
32.0 g / 0.3 N
15 mm Stal (~0.2) 0.01 kg / 0.01 lbs
6.0 g / 0.1 N
20 mm Stal (~0.2) 0.00 kg / 0.00 lbs
2.0 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: Vertical assembly (shearing) - vertical pull
MW 14x10 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
2.01 kg / 4.44 lbs
2013.0 g / 19.7 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
1.34 kg / 2.96 lbs
1342.0 g / 13.2 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.67 kg / 1.48 lbs
671.0 g / 6.6 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
3.36 kg / 7.40 lbs
3355.0 g / 32.9 N

Table 4: Steel thickness (substrate influence) - power losses
MW 14x10 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
0.67 kg / 1.48 lbs
671.0 g / 6.6 N
1 mm
25%
1.68 kg / 3.70 lbs
1677.5 g / 16.5 N
2 mm
50%
3.36 kg / 7.40 lbs
3355.0 g / 32.9 N
3 mm
75%
5.03 kg / 11.09 lbs
5032.5 g / 49.4 N
5 mm
100%
6.71 kg / 14.79 lbs
6710.0 g / 65.8 N
10 mm
100%
6.71 kg / 14.79 lbs
6710.0 g / 65.8 N
11 mm
100%
6.71 kg / 14.79 lbs
6710.0 g / 65.8 N
12 mm
100%
6.71 kg / 14.79 lbs
6710.0 g / 65.8 N

Table 5: Working in heat (stability) - resistance threshold
MW 14x10 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 6.71 kg / 14.79 lbs
6710.0 g / 65.8 N
OK
40 °C -2.2% 6.56 kg / 14.47 lbs
6562.4 g / 64.4 N
OK
60 °C -4.4% 6.41 kg / 14.14 lbs
6414.8 g / 62.9 N
OK
80 °C -6.6% 6.27 kg / 13.82 lbs
6267.1 g / 61.5 N
100 °C -28.8% 4.78 kg / 10.53 lbs
4777.5 g / 46.9 N

Table 6: Magnet-Magnet interaction (repulsion) - field collision
MW 14x10 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 24.41 kg / 53.82 lbs
5 843 Gs
3.66 kg / 8.07 lbs
3662 g / 35.9 N
N/A
1 mm 21.12 kg / 46.55 lbs
9 434 Gs
3.17 kg / 6.98 lbs
3167 g / 31.1 N
19.00 kg / 41.90 lbs
~0 Gs
2 mm 17.99 kg / 39.66 lbs
8 708 Gs
2.70 kg / 5.95 lbs
2699 g / 26.5 N
16.19 kg / 35.70 lbs
~0 Gs
3 mm 15.16 kg / 33.43 lbs
7 994 Gs
2.27 kg / 5.01 lbs
2274 g / 22.3 N
13.65 kg / 30.08 lbs
~0 Gs
5 mm 10.49 kg / 23.12 lbs
6 649 Gs
1.57 kg / 3.47 lbs
1573 g / 15.4 N
9.44 kg / 20.81 lbs
~0 Gs
10 mm 3.85 kg / 8.49 lbs
4 029 Gs
0.58 kg / 1.27 lbs
578 g / 5.7 N
3.47 kg / 7.64 lbs
~0 Gs
20 mm 0.57 kg / 1.25 lbs
1 545 Gs
0.08 kg / 0.19 lbs
85 g / 0.8 N
0.51 kg / 1.12 lbs
~0 Gs
50 mm 0.01 kg / 0.02 lbs
218 Gs
0.00 kg / 0.00 lbs
2 g / 0.0 N
0.01 kg / 0.02 lbs
~0 Gs
60 mm 0.00 kg / 0.01 lbs
139 Gs
0.00 kg / 0.00 lbs
1 g / 0.0 N
0.00 kg / 0.00 lbs
~0 Gs
70 mm 0.00 kg / 0.00 lbs
93 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
66 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
48 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
36 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
0.00 kg / 0.00 lbs
~0 Gs

Table 7: Protective zones (electronics) - warnings
MW 14x10 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 8.0 cm
Hearing aid 10 Gs (1.0 mT) 6.5 cm
Timepiece 20 Gs (2.0 mT) 5.0 cm
Mobile device 40 Gs (4.0 mT) 4.0 cm
Car key 50 Gs (5.0 mT) 3.5 cm
Payment card 400 Gs (40.0 mT) 1.5 cm
HDD hard drive 600 Gs (60.0 mT) 1.5 cm

Table 8: Dynamics (cracking risk) - warning
MW 14x10 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 24.66 km/h
(6.85 m/s)
0.27 J
30 mm 42.11 km/h
(11.70 m/s)
0.79 J
50 mm 54.36 km/h
(15.10 m/s)
1.32 J
100 mm 76.87 km/h
(21.35 m/s)
2.63 J

Table 9: Coating parameters (durability)
MW 14x10 / 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 (Flux)
MW 14x10 / N38

Parameter Value SI Unit / Description
Magnetic Flux 7 886 Mx 78.9 µWb
Pc Coefficient 0.74 High (Stable)

Table 11: Underwater work (magnet fishing)
MW 14x10 / N38

Environment Effective steel pull Effect
Air (land) 6.71 kg Standard
Water (riverbed) 7.68 kg
(+0.97 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)

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

2. Steel saturation

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

3. Temperature resistance

*For N38 material, the critical limit is 80°C.

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.74

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 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
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%
Ecology and recycling (GPSR)
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: 010391-2026
Magnet Unit Converter
Magnet pull force

Magnetic Induction

Other products

The presented product is an exceptionally strong cylinder magnet, made from advanced NdFeB material, which, with dimensions of Ø14x10 mm, guarantees the highest energy density. The MW 14x10 / N38 model is characterized by an accuracy of ±0.1mm and professional build quality, making it a perfect solution for professional engineers and designers. As a magnetic rod with significant force (approx. 6.71 kg), this product is available off-the-shelf from our warehouse in Poland, ensuring rapid order fulfillment. Furthermore, its triple-layer Ni-Cu-Ni coating shields it against corrosion in standard operating conditions, ensuring an aesthetic appearance and durability for years.
This model is created for building generators, advanced sensors, and efficient magnetic separators, where maximum induction on a small surface counts. Thanks to the pull force of 65.83 N with a weight of only 11.55 g, this rod 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., 14.1 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 durability of the connection.
Grade N38 is the most popular standard for industrial neodymium magnets, offering an optimal price-to-power ratio and high resistance to demagnetization. If you need the strongest magnets in the same volume (Ø14x10), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard in continuous sale in our warehouse.
This model is characterized by dimensions Ø14x10 mm, which, at a weight of 11.55 g, makes it an element with impressive magnetic energy density. The value of 65.83 N means that the magnet is capable of holding a weight many times exceeding its own mass of 11.55 g. 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 10 mm), which means that the N and S poles are located on the flat, circular surfaces. Such an arrangement is most desirable 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.

Advantages and disadvantages of rare earth magnets.

Advantages

Besides their magnetic performance, neodymium magnets are valued for these benefits:
  • They virtually do not lose power, because even after ten years the decline in efficiency is only ~1% (based on calculations),
  • Magnets perfectly resist against loss of magnetization caused by ambient magnetic noise,
  • A magnet with a metallic gold surface has an effective appearance,
  • They feature high magnetic induction at the operating surface, making them more effective,
  • Due to their durability and thermal resistance, neodymium magnets are capable of operate (depending on the shape) even at high temperatures reaching 230°C or more...
  • Thanks to flexibility in designing and the ability to customize to specific needs,
  • Versatile presence in future technologies – they serve a role in computer drives, brushless drives, medical devices, also technologically advanced constructions.
  • Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which makes them useful in compact constructions

Weaknesses

Drawbacks and weaknesses of neodymium magnets: application proposals
  • Susceptibility to cracking is one of their disadvantages. Upon intense impact they can fracture. We advise keeping them in a special holder, which not only protects them against impacts but also raises their durability
  • We warn that neodymium magnets can lose their strength at high temperatures. To prevent this, we advise our specialized [AH] magnets, which work effectively even at 230°C.
  • Due to the susceptibility of magnets to corrosion in a humid environment, we recommend using waterproof magnets made of rubber, plastic or other material stable to moisture, when using outdoors
  • Limited ability of making nuts in the magnet and complicated forms - preferred is cover - magnetic holder.
  • Potential hazard to health – tiny shards of magnets pose a threat, if swallowed, which gains importance in the context of child safety. It is also worth noting that small elements of these products can complicate diagnosis medical in case of swallowing.
  • Due to expensive raw materials, their price is relatively high,

Holding force characteristics

Best holding force of the magnet in ideal parameterswhat contributes to it?

The force parameter is a measurement result executed under specific, ideal conditions:
  • on a plate made of structural steel, effectively closing the magnetic field
  • possessing a thickness of minimum 10 mm to avoid saturation
  • with a surface free of scratches
  • with zero gap (without paint)
  • for force applied at a right angle (in the magnet axis)
  • at room temperature

Practical lifting capacity: influencing factors

Effective lifting capacity impacted by working environment parameters, mainly (from priority):
  • Air gap (between the magnet and the metal), since even a microscopic distance (e.g. 0.5 mm) results in a reduction in lifting capacity by up to 50% (this also applies to varnish, rust or debris).
  • Pull-off angle – note that the magnet has greatest strength perpendicularly. Under sliding down, the holding force drops drastically, often to levels of 20-30% of the maximum value.
  • Element thickness – for full efficiency, the steel must be sufficiently thick. Thin sheet restricts the lifting capacity (the magnet "punches through" it).
  • Material composition – different alloys reacts the same. High carbon content weaken the attraction effect.
  • Surface quality – the smoother and more polished the plate, the better the adhesion and stronger the hold. Roughness acts like micro-gaps.
  • Operating temperature – NdFeB sinters have a negative temperature coefficient. At higher temperatures they lose power, and at low temperatures gain strength (up to a certain limit).

Lifting capacity testing was performed on a smooth plate of optimal thickness, under a perpendicular pulling force, whereas under attempts to slide the magnet the holding force is lower. Additionally, even a small distance between the magnet and the plate decreases the holding force.

Safe handling of neodymium magnets
Bodily injuries

Big blocks can break fingers in a fraction of a second. Under no circumstances put your hand betwixt two attracting surfaces.

Keep away from children

Only for adults. Tiny parts pose a choking risk, causing intestinal necrosis. Keep away from kids and pets.

Keep away from computers

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

Magnets are brittle

Neodymium magnets are sintered ceramics, which means they are very brittle. Collision of two magnets leads to them breaking into small pieces.

Pacemakers

Life threat: Neodymium magnets can deactivate pacemakers and defibrillators. Stay away if you have medical devices.

Heat sensitivity

Watch the temperature. Exposing the magnet above 80 degrees Celsius will ruin its properties and pulling force.

Compass and GPS

An intense magnetic field interferes with the operation of compasses in smartphones and navigation systems. Maintain magnets close to a smartphone to prevent breaking the sensors.

Nickel allergy

Nickel alert: The Ni-Cu-Ni coating contains nickel. If redness appears, cease working with magnets and use protective gear.

Caution required

Before starting, check safety instructions. Uncontrolled attraction can destroy the magnet or injure your hand. Think ahead.

Mechanical processing

Mechanical processing of NdFeB material carries a risk of fire hazard. Neodymium dust reacts violently with oxygen and is difficult to extinguish.

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