MW 14x10 / N38 - cylindrical magnet
cylindrical magnet
Catalog no 010391
GTIN/EAN: 5906301811084
- Diameter Ø
- 14 mm [±0,1 mm]
- Height
- 10 mm [±0,1 mm]
- Weight
- 11.55 g
- Magnetization Direction
- ↑ axial
- Coating
- [NiCuNi] Nickel
How we measure these parameters — certificates and measurements
5.56 zł net / pcs
6.84 zł with VAT (23% VAT) / pcs
bulk discounts:
Need more?Frequently asked questions
What is the maximum working temperature of a disc magnet?
What is the difference between N38, N42 and N52?
What is the dimensional tolerance?
Engineering report for this magnet
Full PDF analysis: pull and shear force, effect of distance, temperature and plate thickness, safety distances and the demagnetization curve.
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Technical specification of the product - MW 14x10 / N38 - cylindrical magnet
Specification / characteristics - MW 14x10 / N38 - cylindrical magnet
| properties | values |
|---|---|
| Cat. no. | 010391 |
| GTIN/EAN | 5906301811084 |
| Production/Distribution | Dhit sp. z o.o. |
| 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
| 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
| properties | values | units |
|---|---|---|
| Vickers hardness | ≥550 | Hv |
| Density | ≥7.4 | g/cm3 |
| Curie Temperature TC | 310 | °C |
| Curie Temperature TF | 590 | °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 simulation of the product - technical parameters
These information constitute the outcome of a engineering simulation. Results are based on models for the material Nd2Fe14B. Actual performance might slightly deviate from the simulation results. Treat these data as a supplementary guide for designers.
Table 1: Static pull force (pull vs gap) - interaction chart
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
|
warning |
| 1 mm |
4354 Gs
435.4 mT
|
4.94 kg / 10.90 LBS
4944.4 g / 48.5 N
|
warning |
| 2 mm |
3652 Gs
365.2 mT
|
3.48 kg / 7.67 LBS
3479.0 g / 34.1 N
|
warning |
| 3 mm |
3017 Gs
301.7 mT
|
2.37 kg / 5.23 LBS
2373.5 g / 23.3 N
|
warning |
| 5 mm |
2015 Gs
201.5 mT
|
1.06 kg / 2.33 LBS
1058.7 g / 10.4 N
|
weak grip |
| 10 mm |
773 Gs
77.3 mT
|
0.16 kg / 0.34 LBS
155.7 g / 1.5 N
|
weak grip |
| 15 mm |
352 Gs
35.2 mT
|
0.03 kg / 0.07 LBS
32.3 g / 0.3 N
|
weak grip |
| 20 mm |
186 Gs
18.6 mT
|
0.01 kg / 0.02 LBS
9.0 g / 0.1 N
|
weak grip |
| 30 mm |
69 Gs
6.9 mT
|
0.00 kg / 0.00 LBS
1.3 g / 0.0 N
|
weak grip |
| 50 mm |
18 Gs
1.8 mT
|
0.00 kg / 0.00 LBS
0.1 g / 0.0 N
|
weak grip |
Table 2: Slippage capacity (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: Wall mounting (sliding) - 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: Material efficiency (saturation) - power losses
MW 14x10 / N38
| Steel thickness (mm) | % power | Real pull force (kg/lbs/g/N) |
|---|---|---|
| 0.5 mm |
|
0.67 kg / 1.48 LBS
671.0 g / 6.6 N
|
| 1 mm |
|
1.68 kg / 3.70 LBS
1677.5 g / 16.5 N
|
| 2 mm |
|
3.36 kg / 7.40 LBS
3355.0 g / 32.9 N
|
| 3 mm |
|
5.03 kg / 11.09 LBS
5032.5 g / 49.4 N
|
| 5 mm |
|
6.71 kg / 14.79 LBS
6710.0 g / 65.8 N
|
| 10 mm |
|
6.71 kg / 14.79 LBS
6710.0 g / 65.8 N
|
| 11 mm |
|
6.71 kg / 14.79 LBS
6710.0 g / 65.8 N
|
| 12 mm |
|
6.71 kg / 14.79 LBS
6710.0 g / 65.8 N
|
Table 5: Thermal stability (material behavior) - thermal limit
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 (attraction) - forces in the system
MW 14x10 / N38
| Gap (mm) | Attraction (kg/lbs) (N-S) | Shear Strength (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: Safety (HSE) (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 |
| Phone / Smartphone | 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) - collision effects
MW 14x10 / N38
| Start from (mm) | Speed (km/h) | Energy (J) | Predicted outcome |
|---|---|---|---|
| 10 mm |
20.16 km/h
(5.60 m/s)
|
0.18 J | |
| 30 mm |
20.44 km/h
(5.68 m/s)
|
0.19 J | |
| 50 mm |
20.44 km/h
(5.68 m/s)
|
0.19 J | |
| 100 mm |
20.44 km/h
(5.68 m/s)
|
0.19 J |
Table 9: Surface protection spec
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: Electrical data (Pc)
MW 14x10 / N38
| Parameter | Value | SI Unit / Description |
|---|---|---|
| Magnetic Flux | 7 886 Mx | 78.9 µWb |
| Pc Coefficient | 0.74 | High (Stable) |
Table 11: Submerged application
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% |
1. Shear force
*Caution: On a vertical surface, the magnet holds merely ~20% of its perpendicular strength.
2. Steel thickness impact
*Thin steel (e.g. 0.5mm PC case) severely weakens the holding force.
3. Temperature resistance
*For N38 grade, the max working temp is 80°C.
4. Demagnetization curve and operating point (B-H)
chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.74
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.
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% |
Ecology and recycling (GPSR)
| recyclability (EoL) | 100% |
| recycled raw materials | ~10% (pre-cons) |
| carbon footprint | low / zredukowany |
| waste code (EWC) | 16 02 16 |
Other products
Pros as well as cons of rare earth magnets.
Advantages
- They do not lose strength, even after approximately 10 years – the reduction in strength is only ~1% (based on measurements),
- Neodymium magnets are distinguished by exceptionally resistant to magnetic field loss caused by external interference,
- In other words, due to the smooth layer of nickel, the element gains a professional look,
- Magnets are characterized by maximum magnetic induction on the surface,
- Due to their durability and thermal resistance, neodymium magnets can operate (depending on the form) even at high temperatures reaching 230°C or more...
- Thanks to versatility in forming and the capacity to modify to complex applications,
- Versatile presence in high-tech industry – they are used in HDD drives, drive modules, medical devices, as well as complex engineering applications.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which makes them useful in miniature devices
Cons
- They are fragile upon too strong impacts. To avoid cracks, it is worth securing magnets in special housings. Such protection not only shields the magnet but also increases its resistance to damage
- Neodymium magnets lose power when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of strength (a factor is the shape and dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are extremely resistant to heat
- Magnets exposed to a humid environment can corrode. Therefore while using outdoors, we suggest using waterproof magnets made of rubber, plastic or other material protecting against moisture
- Due to limitations in producing threads and complex shapes in magnets, we propose using casing - magnetic mechanism.
- Potential hazard related to microscopic parts of magnets are risky, if swallowed, which becomes key in the context of child health protection. Furthermore, small components of these products can disrupt the diagnostic process medical when they are in the body.
- High unit price – neodymium magnets are more expensive than other types of magnets (e.g. ferrite), which increases costs of application in large quantities
Pull force analysis
Best holding force of the magnet in ideal parameters – what contributes to it?
- using a sheet made of high-permeability steel, acting as a circuit closing element
- whose transverse dimension equals approx. 10 mm
- characterized by even structure
- under conditions of gap-free contact (surface-to-surface)
- under axial force vector (90-degree angle)
- at standard ambient temperature
Practical lifting capacity: influencing factors
- Gap between surfaces – every millimeter of separation (caused e.g. by varnish or unevenness) drastically reduces the magnet efficiency, often by half at just 0.5 mm.
- Angle of force application – highest force is obtained only during pulling at a 90° angle. The force required to slide of the magnet along the surface is typically several times lower (approx. 1/5 of the lifting capacity).
- Element thickness – to utilize 100% power, the steel must be adequately massive. Paper-thin metal limits the attraction force (the magnet "punches through" it).
- Material type – the best choice is pure iron steel. Cast iron may generate lower lifting capacity.
- Surface condition – ground elements guarantee perfect abutment, which increases field saturation. Uneven metal reduce efficiency.
- Thermal conditions – neodymium magnets have a negative temperature coefficient. At higher temperatures they lose power, and at low temperatures gain strength (up to a certain limit).
Holding force was checked on a smooth steel plate of 20 mm thickness, when a perpendicular force was applied, however under parallel forces the holding force is lower. In addition, even a minimal clearance between the magnet’s surface and the plate decreases the lifting capacity.
H&S for magnets
Conscious usage
Handle magnets consciously. Their powerful strength can surprise even professionals. Be vigilant and respect their force.
Allergic reactions
Some people experience a hypersensitivity to Ni, which is the typical protective layer for NdFeB magnets. Frequent touching might lead to an allergic reaction. We suggest wear protective gloves.
Beware of splinters
Watch out for shards. Magnets can explode upon uncontrolled impact, launching sharp fragments into the air. We recommend safety glasses.
Threat to navigation
A strong magnetic field interferes with the functioning of compasses in smartphones and GPS navigation. Keep magnets near a smartphone to prevent damaging the sensors.
Physical harm
Large magnets can smash fingers in a fraction of a second. Under no circumstances place your hand between two strong magnets.
Power loss in heat
Standard neodymium magnets (grade N) undergo demagnetization when the temperature surpasses 80°C. The loss of strength is permanent.
Product not for children
Only for adults. Small elements can be swallowed, leading to intestinal necrosis. Keep out of reach of children and animals.
Keep away from computers
Avoid bringing magnets near a wallet, computer, or screen. The magnetism can destroy these devices and erase data from cards.
Mechanical processing
Drilling and cutting of NdFeB material carries a risk of fire hazard. Magnetic powder oxidizes rapidly with oxygen and is hard to extinguish.
Medical interference
Individuals with a ICD must maintain an large gap from magnets. The magnetic field can interfere with the functioning of the life-saving device.
