MW 10x6 / N38 - cylindrical magnet
cylindrical magnet
Catalog no 010012
GTIN/EAN: 5906301810117
Diameter Ø
10 mm [±0,1 mm]
Height
6 mm [±0,1 mm]
Weight
3.53 g
Magnetization Direction
↑ axial
Load capacity
3.38 kg / 33.12 N
Magnetic Induction
475.73 mT / 4757 Gs
Coating
[NiCuNi] Nickel
1.045 ZŁ with VAT / pcs + price for transport
0.850 ZŁ net + 23% VAT / pcs
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Technical of the product - MW 10x6 / N38 - cylindrical magnet
Specification / characteristics - MW 10x6 / N38 - cylindrical magnet
| properties | values |
|---|---|
| Cat. no. | 010012 |
| GTIN/EAN | 5906301810117 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 10 mm [±0,1 mm] |
| Height | 6 mm [±0,1 mm] |
| Weight | 3.53 g |
| Magnetization Direction | ↑ axial |
| Load capacity ~ ? | 3.38 kg / 33.12 N |
| Magnetic Induction ~ ? | 475.73 mT / 4757 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 | 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 analysis of the assembly - data
These data are the direct effect of a engineering calculation. Values rely on algorithms for the material Nd2Fe14B. Real-world conditions may differ. Please consider these calculations as a supplementary guide for designers.
Table 1: Static force (force vs gap) - power drop
MW 10x6 / N38
| Distance (mm) | Induction (Gauss) / mT | Pull Force (kg/lbs/g/N) | Risk Status |
|---|---|---|---|
| 0 mm |
4754 Gs
475.4 mT
|
3.38 kg / 7.45 lbs
3380.0 g / 33.2 N
|
warning |
| 1 mm |
3829 Gs
382.9 mT
|
2.19 kg / 4.83 lbs
2193.1 g / 21.5 N
|
warning |
| 2 mm |
2955 Gs
295.5 mT
|
1.31 kg / 2.88 lbs
1306.0 g / 12.8 N
|
weak grip |
| 3 mm |
2230 Gs
223.0 mT
|
0.74 kg / 1.64 lbs
743.7 g / 7.3 N
|
weak grip |
| 5 mm |
1260 Gs
126.0 mT
|
0.24 kg / 0.52 lbs
237.5 g / 2.3 N
|
weak grip |
| 10 mm |
372 Gs
37.2 mT
|
0.02 kg / 0.05 lbs
20.7 g / 0.2 N
|
weak grip |
| 15 mm |
150 Gs
15.0 mT
|
0.00 kg / 0.01 lbs
3.3 g / 0.0 N
|
weak grip |
| 20 mm |
74 Gs
7.4 mT
|
0.00 kg / 0.00 lbs
0.8 g / 0.0 N
|
weak grip |
| 30 mm |
25 Gs
2.5 mT
|
0.00 kg / 0.00 lbs
0.1 g / 0.0 N
|
weak grip |
| 50 mm |
6 Gs
0.6 mT
|
0.00 kg / 0.00 lbs
0.0 g / 0.0 N
|
weak grip |
Table 2: Slippage load (vertical surface)
MW 10x6 / N38
| Distance (mm) | Friction coefficient | Pull Force (kg/lbs/g/N) |
|---|---|---|
| 0 mm | Stal (~0.2) |
0.68 kg / 1.49 lbs
676.0 g / 6.6 N
|
| 1 mm | Stal (~0.2) |
0.44 kg / 0.97 lbs
438.0 g / 4.3 N
|
| 2 mm | Stal (~0.2) |
0.26 kg / 0.58 lbs
262.0 g / 2.6 N
|
| 3 mm | Stal (~0.2) |
0.15 kg / 0.33 lbs
148.0 g / 1.5 N
|
| 5 mm | Stal (~0.2) |
0.05 kg / 0.11 lbs
48.0 g / 0.5 N
|
| 10 mm | Stal (~0.2) |
0.00 kg / 0.01 lbs
4.0 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: Vertical assembly (sliding) - behavior on slippery surfaces
MW 10x6 / N38
| Surface type | Friction coefficient / % Mocy | Max load (kg/lbs/g/N) |
|---|---|---|
| Raw steel |
µ = 0.3
30% Nominalnej Siły
|
1.01 kg / 2.24 lbs
1014.0 g / 9.9 N
|
| Painted steel (standard) |
µ = 0.2
20% Nominalnej Siły
|
0.68 kg / 1.49 lbs
676.0 g / 6.6 N
|
| Oily/slippery steel |
µ = 0.1
10% Nominalnej Siły
|
0.34 kg / 0.75 lbs
338.0 g / 3.3 N
|
| Magnet with anti-slip rubber |
µ = 0.5
50% Nominalnej Siły
|
1.69 kg / 3.73 lbs
1690.0 g / 16.6 N
|
Table 4: Material efficiency (saturation) - sheet metal selection
MW 10x6 / N38
| Steel thickness (mm) | % power | Real pull force (kg/lbs/g/N) |
|---|---|---|
| 0.5 mm |
|
0.34 kg / 0.75 lbs
338.0 g / 3.3 N
|
| 1 mm |
|
0.85 kg / 1.86 lbs
845.0 g / 8.3 N
|
| 2 mm |
|
1.69 kg / 3.73 lbs
1690.0 g / 16.6 N
|
| 3 mm |
|
2.54 kg / 5.59 lbs
2535.0 g / 24.9 N
|
| 5 mm |
|
3.38 kg / 7.45 lbs
3380.0 g / 33.2 N
|
| 10 mm |
|
3.38 kg / 7.45 lbs
3380.0 g / 33.2 N
|
| 11 mm |
|
3.38 kg / 7.45 lbs
3380.0 g / 33.2 N
|
| 12 mm |
|
3.38 kg / 7.45 lbs
3380.0 g / 33.2 N
|
Table 5: Working in heat (material behavior) - resistance threshold
MW 10x6 / N38
| Ambient temp. (°C) | Power loss | Remaining pull (kg/lbs/g/N) | Status |
|---|---|---|---|
| 20 °C | 0.0% |
3.38 kg / 7.45 lbs
3380.0 g / 33.2 N
|
OK |
| 40 °C | -2.2% |
3.31 kg / 7.29 lbs
3305.6 g / 32.4 N
|
OK |
| 60 °C | -4.4% |
3.23 kg / 7.12 lbs
3231.3 g / 31.7 N
|
OK |
| 80 °C | -6.6% |
3.16 kg / 6.96 lbs
3156.9 g / 31.0 N
|
|
| 100 °C | -28.8% |
2.41 kg / 5.31 lbs
2406.6 g / 23.6 N
|
Table 6: Magnet-Magnet interaction (attraction) - forces in the system
MW 10x6 / N38
| Gap (mm) | Attraction (kg/lbs) (N-S) | Sliding Force (kg/lbs/g/N) | Repulsion (kg/lbs) (N-N) |
|---|---|---|---|
| 0 mm |
10.94 kg / 24.12 lbs
5 711 Gs
|
1.64 kg / 3.62 lbs
1641 g / 16.1 N
|
N/A |
| 1 mm |
8.94 kg / 19.71 lbs
8 595 Gs
|
1.34 kg / 2.96 lbs
1341 g / 13.2 N
|
8.05 kg / 17.74 lbs
~0 Gs
|
| 2 mm |
7.10 kg / 15.65 lbs
7 658 Gs
|
1.06 kg / 2.35 lbs
1065 g / 10.4 N
|
6.39 kg / 14.09 lbs
~0 Gs
|
| 3 mm |
5.52 kg / 12.17 lbs
6 754 Gs
|
0.83 kg / 1.83 lbs
828 g / 8.1 N
|
4.97 kg / 10.96 lbs
~0 Gs
|
| 5 mm |
3.20 kg / 7.06 lbs
5 143 Gs
|
0.48 kg / 1.06 lbs
480 g / 4.7 N
|
2.88 kg / 6.35 lbs
~0 Gs
|
| 10 mm |
0.77 kg / 1.70 lbs
2 520 Gs
|
0.12 kg / 0.25 lbs
115 g / 1.1 N
|
0.69 kg / 1.53 lbs
~0 Gs
|
| 20 mm |
0.07 kg / 0.15 lbs
745 Gs
|
0.01 kg / 0.02 lbs
10 g / 0.1 N
|
0.06 kg / 0.13 lbs
~0 Gs
|
| 50 mm |
0.00 kg / 0.00 lbs
83 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
51 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
33 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
23 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
17 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
12 Gs
|
0.00 kg / 0.00 lbs
0 g / 0.0 N
|
0.00 kg / 0.00 lbs
~0 Gs
|
Table 7: Hazards (electronics) - precautionary measures
MW 10x6 / N38
| Object / Device | Limit (Gauss) / mT | Safe distance |
|---|---|---|
| Pacemaker | 5 Gs (0.5 mT) | 5.5 cm |
| Hearing aid | 10 Gs (1.0 mT) | 4.5 cm |
| Mechanical watch | 20 Gs (2.0 mT) | 3.5 cm |
| Mobile device | 40 Gs (4.0 mT) | 3.0 cm |
| Car key | 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: Impact energy (cracking risk) - collision effects
MW 10x6 / N38
| Start from (mm) | Speed (km/h) | Energy (J) | Predicted outcome |
|---|---|---|---|
| 10 mm |
31.33 km/h
(8.70 m/s)
|
0.13 J | |
| 30 mm |
54.05 km/h
(15.01 m/s)
|
0.40 J | |
| 50 mm |
69.78 km/h
(19.38 m/s)
|
0.66 J | |
| 100 mm |
98.69 km/h
(27.41 m/s)
|
1.33 J |
Table 9: Coating parameters (durability)
MW 10x6 / 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 10x6 / N38
| Parameter | Value | SI Unit / Description |
|---|---|---|
| Magnetic Flux | 3 767 Mx | 37.7 µWb |
| Pc Coefficient | 0.66 | High (Stable) |
Table 11: Underwater work (magnet fishing)
MW 10x6 / N38
| Environment | Effective steel pull | Effect |
|---|---|---|
| Air (land) | 3.38 kg | Standard |
| Water (riverbed) |
3.87 kg
(+0.49 kg buoyancy gain)
|
+14.5% |
1. Vertical hold
*Caution: On a vertical surface, the magnet holds just a fraction of its nominal pull.
2. Steel thickness impact
*Thin steel (e.g. 0.5mm PC case) significantly limits the holding force.
3. Thermal stability
*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) = 0.66
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 proposals
Advantages and disadvantages of Nd2Fe14B magnets.
Benefits
- Their magnetic field remains stable, and after approximately ten years it drops only by ~1% (according to research),
- They feature excellent resistance to magnetism drop due to opposing magnetic fields,
- A magnet with a metallic nickel surface looks better,
- Magnets possess impressive magnetic induction on the active area,
- Thanks to resistance to high temperature, they can operate (depending on the shape) even at temperatures up to 230°C and higher...
- Possibility of precise shaping and adjusting to complex applications,
- Versatile presence in modern technologies – they serve a role in computer drives, electric motors, diagnostic systems, also industrial machines.
- Relatively small size with high pulling force – neodymium magnets offer high power in compact dimensions, which allows their use in compact constructions
Disadvantages
- Susceptibility to cracking is one of their disadvantages. Upon strong impact they can fracture. We recommend keeping them in a steel housing, which not only secures them against impacts but also increases their durability
- Neodymium magnets decrease their force under the influence of heating. As soon as 80°C is exceeded, many of them start losing their force. Therefore, we recommend our special magnets marked [AH], which maintain durability even at temperatures up to 230°C
- When exposed to humidity, magnets start to rust. To use them in conditions outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which secure oxidation and corrosion.
- Limited possibility of making threads in the magnet and complex shapes - recommended is casing - mounting mechanism.
- Potential hazard related to microscopic parts of magnets pose a threat, when accidentally swallowed, which is particularly important in the context of child safety. It is also worth noting that tiny parts of these devices can complicate diagnosis medical when they are in the body.
- Due to neodymium price, their price is relatively high,
Pull force analysis
Breakaway strength of the magnet in ideal conditions – what contributes to it?
- on a base made of structural steel, optimally conducting the magnetic flux
- whose transverse dimension reaches at least 10 mm
- characterized by smoothness
- without any clearance between the magnet and steel
- during detachment in a direction perpendicular to the plane
- in neutral thermal conditions
Practical aspects of lifting capacity – factors
- Clearance – the presence of foreign body (rust, tape, air) acts as an insulator, which reduces capacity rapidly (even by 50% at 0.5 mm).
- Force direction – declared lifting capacity refers to detachment vertically. When applying parallel force, the magnet exhibits much less (often approx. 20-30% of nominal force).
- Element thickness – to utilize 100% power, the steel must be sufficiently thick. Thin sheet restricts the lifting capacity (the magnet "punches through" it).
- Steel type – low-carbon steel attracts best. Alloy admixtures reduce magnetic permeability and holding force.
- Smoothness – full contact is possible only on smooth steel. Any scratches and bumps reduce the real contact area, reducing force.
- Thermal environment – temperature increase results in weakening of induction. It is worth remembering the maximum operating temperature for a given model.
Holding force was checked on a smooth steel plate of 20 mm thickness, when the force acted perpendicularly, in contrast under shearing force the lifting capacity is smaller. Additionally, even a small distance between the magnet and the plate decreases the lifting capacity.
Safe handling of neodymium magnets
Product not for children
Product intended for adults. Tiny parts pose a choking risk, causing intestinal necrosis. Store away from kids and pets.
Hand protection
Big blocks can break fingers in a fraction of a second. Never place your hand between two strong magnets.
Nickel allergy
Medical facts indicate that the nickel plating (the usual finish) is a common allergen. For allergy sufferers, avoid direct skin contact and select coated magnets.
Heat warning
Watch the temperature. Exposing the magnet to high heat will destroy its magnetic structure and strength.
Handling guide
Exercise caution. Neodymium magnets attract from a long distance and connect with huge force, often quicker than you can move away.
ICD Warning
People with a heart stimulator must keep an absolute distance from magnets. The magnetic field can stop the operation of the life-saving device.
Shattering risk
Watch out for shards. Magnets can fracture upon violent connection, ejecting sharp fragments into the air. Eye protection is mandatory.
Magnetic interference
An intense magnetic field interferes with the operation of compasses in smartphones and GPS navigation. Do not bring magnets close to a smartphone to avoid damaging the sensors.
Fire warning
Machining of neodymium magnets poses a fire risk. Magnetic powder reacts violently with oxygen and is hard to extinguish.
Magnetic media
Avoid bringing magnets close to a purse, laptop, or screen. The magnetism can destroy these devices and wipe information from cards.
