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MW 14x2 / N38 - cylindrical magnet

cylindrical magnet

Catalog no 010024

GTIN/EAN: 5906301810230

Diameter Ø

14 mm [±0,1 mm]

Height

2 mm [±0,1 mm]

Weight

2.31 g

Magnetization Direction

↑ axial

Load capacity

1.48 kg / 14.51 N

Magnetic Induction

170.27 mT / 1703 Gs

Coating

[NiCuNi] Nickel

0.898 with VAT / pcs + price for transport

0.730 ZŁ net + 23% VAT / pcs

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Technical - MW 14x2 / N38 - cylindrical magnet

Specification / characteristics - MW 14x2 / N38 - cylindrical magnet

properties
properties values
Cat. no. 010024
GTIN/EAN 5906301810230
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 2 mm [±0,1 mm]
Weight 2.31 g
Magnetization Direction ↑ axial
Load capacity ~ ? 1.48 kg / 14.51 N
Magnetic Induction ~ ? 170.27 mT / 1703 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 14x2 / 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 - report

These information represent the outcome of a engineering analysis. Results were calculated on models for the material Nd2Fe14B. Real-world conditions may deviate from the simulation results. Use these calculations as a reference point for designers.

Table 1: Static force (pull vs distance) - power drop
MW 14x2 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 1702 Gs
170.2 mT
1.48 kg / 3.26 pounds
1480.0 g / 14.5 N
weak grip
1 mm 1565 Gs
156.5 mT
1.25 kg / 2.76 pounds
1251.7 g / 12.3 N
weak grip
2 mm 1373 Gs
137.3 mT
0.96 kg / 2.12 pounds
962.5 g / 9.4 N
weak grip
3 mm 1161 Gs
116.1 mT
0.69 kg / 1.52 pounds
688.9 g / 6.8 N
weak grip
5 mm 780 Gs
78.0 mT
0.31 kg / 0.69 pounds
311.0 g / 3.1 N
weak grip
10 mm 276 Gs
27.6 mT
0.04 kg / 0.09 pounds
39.0 g / 0.4 N
weak grip
15 mm 115 Gs
11.5 mT
0.01 kg / 0.01 pounds
6.7 g / 0.1 N
weak grip
20 mm 56 Gs
5.6 mT
0.00 kg / 0.00 pounds
1.6 g / 0.0 N
weak grip
30 mm 19 Gs
1.9 mT
0.00 kg / 0.00 pounds
0.2 g / 0.0 N
weak grip
50 mm 4 Gs
0.4 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
weak grip

Table 2: Slippage load (vertical surface)
MW 14x2 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.30 kg / 0.65 pounds
296.0 g / 2.9 N
1 mm Stal (~0.2) 0.25 kg / 0.55 pounds
250.0 g / 2.5 N
2 mm Stal (~0.2) 0.19 kg / 0.42 pounds
192.0 g / 1.9 N
3 mm Stal (~0.2) 0.14 kg / 0.30 pounds
138.0 g / 1.4 N
5 mm Stal (~0.2) 0.06 kg / 0.14 pounds
62.0 g / 0.6 N
10 mm Stal (~0.2) 0.01 kg / 0.02 pounds
8.0 g / 0.1 N
15 mm Stal (~0.2) 0.00 kg / 0.00 pounds
2.0 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: Vertical assembly (shearing) - vertical pull
MW 14x2 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.44 kg / 0.98 pounds
444.0 g / 4.4 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.30 kg / 0.65 pounds
296.0 g / 2.9 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.15 kg / 0.33 pounds
148.0 g / 1.5 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.74 kg / 1.63 pounds
740.0 g / 7.3 N

Table 4: Material efficiency (saturation) - power losses
MW 14x2 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
0.15 kg / 0.33 pounds
148.0 g / 1.5 N
1 mm
25%
0.37 kg / 0.82 pounds
370.0 g / 3.6 N
2 mm
50%
0.74 kg / 1.63 pounds
740.0 g / 7.3 N
3 mm
75%
1.11 kg / 2.45 pounds
1110.0 g / 10.9 N
5 mm
100%
1.48 kg / 3.26 pounds
1480.0 g / 14.5 N
10 mm
100%
1.48 kg / 3.26 pounds
1480.0 g / 14.5 N
11 mm
100%
1.48 kg / 3.26 pounds
1480.0 g / 14.5 N
12 mm
100%
1.48 kg / 3.26 pounds
1480.0 g / 14.5 N

Table 5: Thermal resistance (material behavior) - thermal limit
MW 14x2 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 1.48 kg / 3.26 pounds
1480.0 g / 14.5 N
OK
40 °C -2.2% 1.45 kg / 3.19 pounds
1447.4 g / 14.2 N
OK
60 °C -4.4% 1.41 kg / 3.12 pounds
1414.9 g / 13.9 N
80 °C -6.6% 1.38 kg / 3.05 pounds
1382.3 g / 13.6 N
100 °C -28.8% 1.05 kg / 2.32 pounds
1053.8 g / 10.3 N

Table 6: Magnet-Magnet interaction (attraction) - field collision
MW 14x2 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Sliding Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 2.75 kg / 6.06 pounds
3 073 Gs
0.41 kg / 0.91 pounds
413 g / 4.0 N
N/A
1 mm 2.56 kg / 5.65 pounds
3 287 Gs
0.38 kg / 0.85 pounds
385 g / 3.8 N
2.31 kg / 5.09 pounds
~0 Gs
2 mm 2.33 kg / 5.13 pounds
3 131 Gs
0.35 kg / 0.77 pounds
349 g / 3.4 N
2.09 kg / 4.61 pounds
~0 Gs
3 mm 2.06 kg / 4.54 pounds
2 947 Gs
0.31 kg / 0.68 pounds
309 g / 3.0 N
1.85 kg / 4.09 pounds
~0 Gs
5 mm 1.52 kg / 3.36 pounds
2 535 Gs
0.23 kg / 0.50 pounds
229 g / 2.2 N
1.37 kg / 3.02 pounds
~0 Gs
10 mm 0.58 kg / 1.27 pounds
1 561 Gs
0.09 kg / 0.19 pounds
87 g / 0.9 N
0.52 kg / 1.15 pounds
~0 Gs
20 mm 0.07 kg / 0.16 pounds
552 Gs
0.01 kg / 0.02 pounds
11 g / 0.1 N
0.07 kg / 0.14 pounds
~0 Gs
50 mm 0.00 kg / 0.00 pounds
62 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
38 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
25 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
17 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
12 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
9 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 14x2 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 5.0 cm
Hearing aid 10 Gs (1.0 mT) 4.0 cm
Mechanical watch 20 Gs (2.0 mT) 3.0 cm
Mobile device 40 Gs (4.0 mT) 2.5 cm
Remote 50 Gs (5.0 mT) 2.5 cm
Payment card 400 Gs (40.0 mT) 1.0 cm
HDD hard drive 600 Gs (60.0 mT) 1.0 cm

Table 8: Dynamics (kinetic energy) - collision effects
MW 14x2 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 25.94 km/h
(7.21 m/s)
0.06 J
30 mm 44.22 km/h
(12.28 m/s)
0.17 J
50 mm 57.08 km/h
(15.86 m/s)
0.29 J
100 mm 80.72 km/h
(22.42 m/s)
0.58 J

Table 9: Anti-corrosion coating durability
MW 14x2 / 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 14x2 / N38

Parameter Value SI Unit / Description
Magnetic Flux 3 247 Mx 32.5 µWb
Pc Coefficient 0.22 Low (Flat)

Table 11: Physics of underwater searching
MW 14x2 / N38

Environment Effective steel pull Effect
Air (land) 1.48 kg Standard
Water (riverbed) 1.69 kg
(+0.21 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!
1. Shear force

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

2. Efficiency vs thickness

*Thin metal sheet (e.g. 0.5mm PC case) drastically weakens 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) = 0.22

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 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%
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: 010024-2026
Magnet Unit Converter
Magnet pull force

Magnetic Induction

Other products

The offered product is an incredibly powerful cylinder magnet, produced from modern NdFeB material, which, at dimensions of Ø14x2 mm, guarantees maximum efficiency. The MW 14x2 / N38 model features high dimensional repeatability and professional build quality, making it an excellent solution for the most demanding engineers and designers. As a cylindrical magnet with impressive force (approx. 1.48 kg), this product is available off-the-shelf from our European logistics center, ensuring rapid order fulfillment. Moreover, its Ni-Cu-Ni coating effectively protects it against corrosion in standard operating conditions, guaranteeing an aesthetic appearance and durability for years.
This model is created for building electric motors, advanced sensors, and efficient magnetic separators, where maximum induction on a small surface counts. Thanks to the high power of 14.51 N with a weight of only 2.31 g, this cylindrical magnet is indispensable in miniature devices and wherever low weight is crucial.
Due to the delicate structure of the ceramic sinter, you must not use force-fitting (so-called press-fit), as this risks immediate cracking of this precision component. To ensure stability in industry, anaerobic resins are used, which are safe for nickel and fill the gap, guaranteeing durability of the connection.
Magnets N38 are strong enough for 90% of applications in modeling and machine building, where extreme miniaturization with maximum force is not required. If you need even stronger magnets in the same volume (Ø14x2), 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 14 mm and height 2 mm. The value of 14.51 N means that the magnet is capable of holding a weight many times exceeding its own mass of 2.31 g. The product has a [NiCuNi] coating, which protects the surface against oxidation, giving it an aesthetic, silvery shine.
This rod magnet is magnetized axially (along the height of 2 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 as well as disadvantages of rare earth magnets.

Strengths

Besides their immense strength, neodymium magnets offer the following advantages:
  • Their strength is durable, and after approximately ten years it drops only by ~1% (according to research),
  • Neodymium magnets are distinguished by exceptionally resistant to demagnetization caused by external magnetic fields,
  • The use of an elegant coating of noble metals (nickel, gold, silver) causes the element to look better,
  • Magnetic induction on the top side of the magnet is strong,
  • Neodymium magnets are characterized by very high magnetic induction on the magnet surface and can work (depending on the shape) even at a temperature of 230°C or more...
  • Thanks to modularity in designing and the ability to adapt to specific needs,
  • Huge importance in innovative solutions – they find application in data components, electric motors, precision medical tools, and other advanced devices.
  • Thanks to efficiency per cm³, small magnets offer high operating force, occupying minimum space,

Weaknesses

Characteristics of disadvantages of neodymium magnets: weaknesses and usage proposals
  • Susceptibility to cracking is one of their disadvantages. Upon intense impact they can break. We recommend keeping them in a special holder, which not only secures them against impacts but also raises their durability
  • When exposed to high temperature, neodymium magnets suffer a drop in power. 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 recommend using waterproof magnets e.g. in rubber, plastic
  • Limited ability of making threads in the magnet and complex shapes - preferred is cover - magnet mounting.
  • Potential hazard resulting from small fragments of magnets can be dangerous, if swallowed, which becomes key in the context of child health protection. Furthermore, tiny parts of these magnets can be problematic in diagnostics medical after entering the body.
  • Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Lifting parameters

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

The lifting capacity listed is a measurement result performed under standard conditions:
  • on a base made of structural steel, optimally conducting the magnetic field
  • whose transverse dimension equals approx. 10 mm
  • with a surface free of scratches
  • under conditions of ideal adhesion (metal-to-metal)
  • under perpendicular force vector (90-degree angle)
  • in stable room temperature

Lifting capacity in practice – influencing factors

Bear in mind that the working load may be lower depending on elements below, starting with the most relevant:
  • Clearance – the presence of any layer (paint, dirt, air) interrupts the magnetic circuit, which lowers power rapidly (even by 50% at 0.5 mm).
  • Pull-off angle – remember that the magnet holds strongest perpendicularly. Under shear forces, the holding force drops drastically, often to levels of 20-30% of the nominal value.
  • Plate thickness – insufficiently thick steel does not accept the full field, causing part of the power to be escaped into the air.
  • Chemical composition of the base – low-carbon steel gives the best results. Higher carbon content decrease magnetic permeability and lifting capacity.
  • Smoothness – ideal contact is possible only on smooth steel. Any scratches and bumps create air cushions, reducing force.
  • Thermal factor – hot environment weakens pulling force. Exceeding the limit temperature can permanently demagnetize the magnet.

Holding force was measured on a smooth steel plate of 20 mm thickness, when a perpendicular force was applied, in contrast under parallel forces the lifting capacity is smaller. Additionally, even a minimal clearance between the magnet’s surface and the plate reduces the holding force.

Safe handling of neodymium magnets
Crushing risk

Large magnets can break fingers instantly. Never put your hand between two attracting surfaces.

Threat to navigation

Remember: rare earth magnets generate a field that confuses sensitive sensors. Maintain a separation from your mobile, tablet, and navigation systems.

Safe operation

Exercise caution. Rare earth magnets attract from a distance and snap with massive power, often quicker than you can react.

Flammability

Powder produced during machining of magnets is flammable. Avoid drilling into magnets unless you are an expert.

Nickel allergy

Warning for allergy sufferers: The Ni-Cu-Ni coating consists of nickel. If skin irritation appears, cease working with magnets and wear gloves.

Demagnetization risk

Avoid heat. NdFeB magnets are sensitive to temperature. If you require resistance above 80°C, inquire about HT versions (H, SH, UH).

Magnet fragility

Watch out for shards. Magnets can fracture upon uncontrolled impact, ejecting shards into the air. Wear goggles.

Warning for heart patients

Warning for patients: Powerful magnets affect medical devices. Keep at least 30 cm distance or ask another person to handle the magnets.

Cards and drives

Equipment safety: Neodymium magnets can ruin payment cards and sensitive devices (pacemakers, hearing aids, timepieces).

Product not for children

These products are not suitable for play. Swallowing a few magnets can lead to them pinching intestinal walls, which constitutes a critical condition and requires immediate surgery.

Security! Want to know more? Check our post: Are neodymium magnets dangerous?
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98