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 |
Physical modeling of the assembly - data
These information represent the result of a engineering simulation. Values are based on models for the material Nd2Fe14B. Real-world conditions might slightly deviate from the simulation results. Please consider these calculations as a preliminary roadmap for designers.
Table 1: Static pull force (force vs distance) - 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
|
strong |
| 1 mm |
3829 Gs
382.9 mT
|
2.19 kg / 4.83 LBS
2193.1 g / 21.5 N
|
strong |
| 2 mm |
2955 Gs
295.5 mT
|
1.31 kg / 2.88 LBS
1306.0 g / 12.8 N
|
safe |
| 3 mm |
2230 Gs
223.0 mT
|
0.74 kg / 1.64 LBS
743.7 g / 7.3 N
|
safe |
| 5 mm |
1260 Gs
126.0 mT
|
0.24 kg / 0.52 LBS
237.5 g / 2.3 N
|
safe |
| 10 mm |
372 Gs
37.2 mT
|
0.02 kg / 0.05 LBS
20.7 g / 0.2 N
|
safe |
| 15 mm |
150 Gs
15.0 mT
|
0.00 kg / 0.01 LBS
3.3 g / 0.0 N
|
safe |
| 20 mm |
74 Gs
7.4 mT
|
0.00 kg / 0.00 LBS
0.8 g / 0.0 N
|
safe |
| 30 mm |
25 Gs
2.5 mT
|
0.00 kg / 0.00 LBS
0.1 g / 0.0 N
|
safe |
| 50 mm |
6 Gs
0.6 mT
|
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
|
safe |
Table 2: Sliding force (wall)
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: Wall mounting (shearing) - 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: Steel thickness (substrate influence) - power losses
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: Thermal resistance (stability) - power drop
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 (repulsion) - field range
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 |
| Phone / Smartphone | 40 Gs (4.0 mT) | 3.0 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: Collisions (cracking risk) - warning
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: Anti-corrosion coating 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: Electrical data (Pc)
MW 10x6 / N38
| Parameter | Value | SI Unit / Description |
|---|---|---|
| Magnetic Flux | 3 767 Mx | 37.7 µWb |
| Pc Coefficient | 0.66 | High (Stable) |
Table 11: Submerged application
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. Wall mount (shear)
*Warning: On a vertical wall, the magnet retains merely ~20% of its max power.
2. Efficiency vs thickness
*Thin metal sheet (e.g. 0.5mm PC case) severely limits the holding force.
3. Heat tolerance
*For N38 grade, 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.
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 |
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Pros as well as cons of neodymium magnets.
Pros
- Their strength remains stable, and after around 10 years it drops only by ~1% (according to research),
- Neodymium magnets are exceptionally resistant to demagnetization caused by external interference,
- By applying a reflective coating of silver, the element acquires an professional look,
- They are known for high magnetic induction at the operating surface, which affects their effectiveness,
- Due to their durability and thermal resistance, neodymium magnets are capable of operate (depending on the form) even at high temperatures reaching 230°C or more...
- Thanks to modularity in forming and the ability to modify to unusual requirements,
- Significant place in modern industrial fields – they are utilized in HDD drives, electric drive systems, diagnostic systems, also modern systems.
- Thanks to efficiency per cm³, small magnets offer high operating force, with minimal size,
Cons
- At very strong impacts they can crack, therefore we recommend placing them in special holders. A metal housing provides additional protection against damage and increases the magnet's durability.
- We warn that neodymium magnets can lose their strength at high temperatures. To prevent this, we recommend our specialized [AH] magnets, which work effectively even at 230°C.
- They oxidize in a humid environment. For use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
- Due to limitations in creating threads and complex forms in magnets, we propose using casing - magnetic holder.
- Potential hazard to health – tiny shards of magnets can be dangerous, when accidentally swallowed, which is particularly important in the context of child safety. Furthermore, small elements of these products can be problematic in diagnostics medical after entering the body.
- High unit price – neodymium magnets have a higher price than other types of magnets (e.g. ferrite), which increases costs of application in large quantities
Holding force characteristics
Maximum lifting capacity of the magnet – what affects it?
- on a base made of mild steel, effectively closing the magnetic flux
- with a cross-section no less than 10 mm
- with an polished touching surface
- with direct contact (without coatings)
- under perpendicular application of breakaway force (90-degree angle)
- at standard ambient temperature
Practical lifting capacity: influencing factors
- Space between surfaces – every millimeter of separation (caused e.g. by veneer or unevenness) diminishes the magnet efficiency, often by half at just 0.5 mm.
- Force direction – remember that the magnet has greatest strength perpendicularly. Under shear forces, the holding force drops drastically, often to levels of 20-30% of the nominal value.
- Metal thickness – the thinner the sheet, the weaker the hold. Magnetic flux penetrates through instead of converting into lifting capacity.
- Steel grade – the best choice is high-permeability steel. Cast iron may generate lower lifting capacity.
- Surface finish – full contact is possible only on polished steel. Rough texture reduce the real contact area, reducing force.
- Temperature – heating the magnet causes a temporary drop of force. It is worth remembering the maximum operating temperature for a given model.
Lifting capacity testing was performed on plates with a smooth surface of optimal thickness, under a perpendicular pulling force, whereas under shearing force the lifting capacity is smaller. Moreover, even a minimal clearance between the magnet’s surface and the plate lowers the lifting capacity.
Safe handling of neodymium magnets
Nickel coating and allergies
Medical facts indicate that the nickel plating (standard magnet coating) is a strong allergen. If you have an allergy, prevent direct skin contact or select encased magnets.
Fire risk
Drilling and cutting of NdFeB material carries a risk of fire risk. Magnetic powder oxidizes rapidly with oxygen and is hard to extinguish.
Impact on smartphones
A powerful magnetic field negatively affects the functioning of compasses in phones and navigation systems. Keep magnets close to a device to prevent damaging the sensors.
Pacemakers
Life threat: Strong magnets can deactivate heart devices and defibrillators. Do not approach if you have electronic implants.
Shattering risk
Protect your eyes. Magnets can fracture upon violent connection, ejecting shards into the air. Eye protection is mandatory.
Handling guide
Before starting, read the rules. Uncontrolled attraction can break the magnet or injure your hand. Think ahead.
Crushing risk
Danger of trauma: The pulling power is so great that it can cause blood blisters, crushing, and broken bones. Use thick gloves.
This is not a toy
These products are not intended for children. Accidental ingestion of multiple magnets may result in them pinching intestinal walls, which poses a severe health hazard and necessitates immediate surgery.
Heat sensitivity
Standard neodymium magnets (grade N) undergo demagnetization when the temperature goes above 80°C. Damage is permanent.
Electronic devices
Powerful magnetic fields can destroy records on payment cards, hard drives, and storage devices. Stay away of at least 10 cm.
