MW 10x2 / N38 - cylindrical magnet
cylindrical magnet
Catalog no 010006
GTIN/EAN: 5906301810056
Diameter Ø
10 mm [±0,1 mm]
Height
2 mm [±0,1 mm]
Weight
1.18 g
Magnetization Direction
↑ axial
Load capacity
1.27 kg / 12.50 N
Magnetic Induction
230.11 mT / 2301 Gs
Coating
[NiCuNi] Nickel
0.467 ZŁ with VAT / pcs + price for transport
0.380 ZŁ net + 23% VAT / pcs
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Product card - MW 10x2 / N38 - cylindrical magnet
Specification / characteristics - MW 10x2 / N38 - cylindrical magnet
| properties | values |
|---|---|
| Cat. no. | 010006 |
| GTIN/EAN | 5906301810056 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 10 mm [±0,1 mm] |
| Height | 2 mm [±0,1 mm] |
| Weight | 1.18 g |
| Magnetization Direction | ↑ axial |
| Load capacity ~ ? | 1.27 kg / 12.50 N |
| Magnetic Induction ~ ? | 230.11 mT / 2301 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 product - data
These values represent the result of a engineering calculation. Results are based on algorithms for the class Nd2Fe14B. Real-world performance might slightly deviate from the simulation results. Use these data as a supplementary guide when designing systems.
Table 1: Static pull force (pull vs distance) - characteristics
MW 10x2 / N38
| Distance (mm) | Induction (Gauss) / mT | Pull Force (kg/lbs/g/N) | Risk Status |
|---|---|---|---|
| 0 mm |
2300 Gs
230.0 mT
|
1.27 kg / 2.80 LBS
1270.0 g / 12.5 N
|
weak grip |
| 1 mm |
1974 Gs
197.4 mT
|
0.94 kg / 2.06 LBS
935.3 g / 9.2 N
|
weak grip |
| 2 mm |
1570 Gs
157.0 mT
|
0.59 kg / 1.31 LBS
592.1 g / 5.8 N
|
weak grip |
| 3 mm |
1194 Gs
119.4 mT
|
0.34 kg / 0.75 LBS
342.3 g / 3.4 N
|
weak grip |
| 5 mm |
661 Gs
66.1 mT
|
0.10 kg / 0.23 LBS
104.9 g / 1.0 N
|
weak grip |
| 10 mm |
178 Gs
17.8 mT
|
0.01 kg / 0.02 LBS
7.6 g / 0.1 N
|
weak grip |
| 15 mm |
66 Gs
6.6 mT
|
0.00 kg / 0.00 LBS
1.1 g / 0.0 N
|
weak grip |
| 20 mm |
31 Gs
3.1 mT
|
0.00 kg / 0.00 LBS
0.2 g / 0.0 N
|
weak grip |
| 30 mm |
10 Gs
1.0 mT
|
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
|
weak grip |
| 50 mm |
2 Gs
0.2 mT
|
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
|
weak grip |
Table 2: Vertical force (vertical surface)
MW 10x2 / N38
| Distance (mm) | Friction coefficient | Pull Force (kg/lbs/g/N) |
|---|---|---|
| 0 mm | Stal (~0.2) |
0.25 kg / 0.56 LBS
254.0 g / 2.5 N
|
| 1 mm | Stal (~0.2) |
0.19 kg / 0.41 LBS
188.0 g / 1.8 N
|
| 2 mm | Stal (~0.2) |
0.12 kg / 0.26 LBS
118.0 g / 1.2 N
|
| 3 mm | Stal (~0.2) |
0.07 kg / 0.15 LBS
68.0 g / 0.7 N
|
| 5 mm | Stal (~0.2) |
0.02 kg / 0.04 LBS
20.0 g / 0.2 N
|
| 10 mm | Stal (~0.2) |
0.00 kg / 0.00 LBS
2.0 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 10x2 / N38
| Surface type | Friction coefficient / % Mocy | Max load (kg/lbs/g/N) |
|---|---|---|
| Raw steel |
µ = 0.3
30% Nominalnej Siły
|
0.38 kg / 0.84 LBS
381.0 g / 3.7 N
|
| Painted steel (standard) |
µ = 0.2
20% Nominalnej Siły
|
0.25 kg / 0.56 LBS
254.0 g / 2.5 N
|
| Oily/slippery steel |
µ = 0.1
10% Nominalnej Siły
|
0.13 kg / 0.28 LBS
127.0 g / 1.2 N
|
| Magnet with anti-slip rubber |
µ = 0.5
50% Nominalnej Siły
|
0.64 kg / 1.40 LBS
635.0 g / 6.2 N
|
Table 4: Steel thickness (substrate influence) - sheet metal selection
MW 10x2 / N38
| Steel thickness (mm) | % power | Real pull force (kg/lbs/g/N) |
|---|---|---|
| 0.5 mm |
|
0.13 kg / 0.28 LBS
127.0 g / 1.2 N
|
| 1 mm |
|
0.32 kg / 0.70 LBS
317.5 g / 3.1 N
|
| 2 mm |
|
0.64 kg / 1.40 LBS
635.0 g / 6.2 N
|
| 3 mm |
|
0.95 kg / 2.10 LBS
952.5 g / 9.3 N
|
| 5 mm |
|
1.27 kg / 2.80 LBS
1270.0 g / 12.5 N
|
| 10 mm |
|
1.27 kg / 2.80 LBS
1270.0 g / 12.5 N
|
| 11 mm |
|
1.27 kg / 2.80 LBS
1270.0 g / 12.5 N
|
| 12 mm |
|
1.27 kg / 2.80 LBS
1270.0 g / 12.5 N
|
Table 5: Working in heat (material behavior) - power drop
MW 10x2 / N38
| Ambient temp. (°C) | Power loss | Remaining pull (kg/lbs/g/N) | Status |
|---|---|---|---|
| 20 °C | 0.0% |
1.27 kg / 2.80 LBS
1270.0 g / 12.5 N
|
OK |
| 40 °C | -2.2% |
1.24 kg / 2.74 LBS
1242.1 g / 12.2 N
|
OK |
| 60 °C | -4.4% |
1.21 kg / 2.68 LBS
1214.1 g / 11.9 N
|
|
| 80 °C | -6.6% |
1.19 kg / 2.62 LBS
1186.2 g / 11.6 N
|
|
| 100 °C | -28.8% |
0.90 kg / 1.99 LBS
904.2 g / 8.9 N
|
Table 6: Two magnets (repulsion) - field range
MW 10x2 / N38
| Gap (mm) | Attraction (kg/lbs) (N-S) | Sliding Force (kg/lbs/g/N) | Repulsion (kg/lbs) (N-N) |
|---|---|---|---|
| 0 mm |
2.56 kg / 5.65 LBS
3 867 Gs
|
0.38 kg / 0.85 LBS
384 g / 3.8 N
|
N/A |
| 1 mm |
2.25 kg / 4.96 LBS
4 312 Gs
|
0.34 kg / 0.74 LBS
338 g / 3.3 N
|
2.03 kg / 4.46 LBS
~0 Gs
|
| 2 mm |
1.89 kg / 4.16 LBS
3 948 Gs
|
0.28 kg / 0.62 LBS
283 g / 2.8 N
|
1.70 kg / 3.74 LBS
~0 Gs
|
| 3 mm |
1.52 kg / 3.36 LBS
3 548 Gs
|
0.23 kg / 0.50 LBS
229 g / 2.2 N
|
1.37 kg / 3.02 LBS
~0 Gs
|
| 5 mm |
0.92 kg / 2.02 LBS
2 750 Gs
|
0.14 kg / 0.30 LBS
137 g / 1.3 N
|
0.82 kg / 1.82 LBS
~0 Gs
|
| 10 mm |
0.21 kg / 0.47 LBS
1 322 Gs
|
0.03 kg / 0.07 LBS
32 g / 0.3 N
|
0.19 kg / 0.42 LBS
~0 Gs
|
| 20 mm |
0.02 kg / 0.03 LBS
355 Gs
|
0.00 kg / 0.01 LBS
2 g / 0.0 N
|
0.01 kg / 0.03 LBS
~0 Gs
|
| 50 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
|
| 60 mm |
0.00 kg / 0.00 LBS
20 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
13 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
9 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
6 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
5 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) - precautionary measures
MW 10x2 / N38
| Object / Device | Limit (Gauss) / mT | Safe distance |
|---|---|---|
| Pacemaker | 5 Gs (0.5 mT) | 4.0 cm |
| Hearing aid | 10 Gs (1.0 mT) | 3.5 cm |
| Mechanical watch | 20 Gs (2.0 mT) | 2.5 cm |
| Phone / Smartphone | 40 Gs (4.0 mT) | 2.0 cm |
| Car key | 50 Gs (5.0 mT) | 2.0 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) - warning
MW 10x2 / N38
| Start from (mm) | Speed (km/h) | Energy (J) | Predicted outcome |
|---|---|---|---|
| 10 mm |
33.21 km/h
(9.22 m/s)
|
0.05 J | |
| 30 mm |
57.31 km/h
(15.92 m/s)
|
0.15 J | |
| 50 mm |
73.98 km/h
(20.55 m/s)
|
0.25 J | |
| 100 mm |
104.63 km/h
(29.06 m/s)
|
0.50 J |
Table 9: Anti-corrosion coating durability
MW 10x2 / 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 (Flux)
MW 10x2 / N38
| Parameter | Value | SI Unit / Description |
|---|---|---|
| Magnetic Flux | 2 097 Mx | 21.0 µWb |
| Pc Coefficient | 0.29 | Low (Flat) |
Table 11: Hydrostatics and buoyancy
MW 10x2 / N38
| Environment | Effective steel pull | Effect |
|---|---|---|
| Air (land) | 1.27 kg | Standard |
| Water (riverbed) |
1.45 kg
(+0.18 kg buoyancy gain)
|
+14.5% |
1. Vertical hold
*Warning: On a vertical surface, the magnet holds only ~20% of its nominal pull.
2. Steel saturation
*Thin metal sheet (e.g. 0.5mm PC case) significantly 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) = 0.29
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.
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 |
Check out also proposals
Advantages and disadvantages of rare earth magnets.
Advantages
- They have constant strength, and over around 10 years their attraction force decreases symbolically – ~1% (in testing),
- They are noted for resistance to demagnetization induced by external field influence,
- The use of an elegant layer of noble metals (nickel, gold, silver) causes the element to have aesthetics,
- Magnetic induction on the top side of the magnet remains strong,
- Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their shape) at temperatures up to 230°C and above...
- In view of the possibility of free forming and adaptation to specialized needs, NdFeB magnets can be created in a broad palette of geometric configurations, which expands the range of possible applications,
- Universal use in high-tech industry – they are used in HDD drives, electric motors, diagnostic systems, also other advanced devices.
- Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications
Disadvantages
- They are fragile upon heavy impacts. To avoid cracks, it is worth protecting magnets in special housings. Such protection not only protects 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 very resistant to heat
- Magnets exposed to a humid environment can rust. Therefore during using outdoors, we advise using water-impermeable magnets made of rubber, plastic or other material resistant to moisture
- We suggest a housing - magnetic mount, due to difficulties in realizing nuts inside the magnet and complicated forms.
- Health risk related to microscopic parts of magnets are risky, in case of ingestion, which gains importance in the context of child safety. Furthermore, small components of these devices are able to be problematic in diagnostics medical after entering the body.
- With large orders the cost of neodymium magnets can be a barrier,
Pull force analysis
Maximum lifting capacity of the magnet – what contributes to it?
- with the use of a yoke made of low-carbon steel, ensuring full magnetic saturation
- possessing a thickness of min. 10 mm to avoid saturation
- with a plane cleaned and smooth
- with total lack of distance (no impurities)
- during detachment in a direction perpendicular to the plane
- at conditions approx. 20°C
Lifting capacity in practice – influencing factors
- Gap between magnet and steel – even a fraction of a millimeter of separation (caused e.g. by varnish or unevenness) drastically reduces the magnet efficiency, often by half at just 0.5 mm.
- Direction of force – maximum parameter is available only during pulling at a 90° angle. The resistance to sliding of the magnet along the surface is standardly many times lower (approx. 1/5 of the lifting capacity).
- Metal thickness – the thinner the sheet, the weaker the hold. Magnetic flux passes through the material instead of converting into lifting capacity.
- Material composition – different alloys reacts the same. High carbon content weaken the attraction effect.
- Surface structure – the more even the surface, the larger the contact zone and higher the lifting capacity. Unevenness creates an air distance.
- Thermal factor – hot environment reduces magnetic field. Exceeding the limit temperature can permanently damage the magnet.
Holding force was checked on a smooth steel plate of 20 mm thickness, when a perpendicular force was applied, in contrast under parallel forces the load capacity is reduced by as much as 5 times. Moreover, even a minimal clearance between the magnet and the plate reduces the holding force.
Warnings
Keep away from children
NdFeB magnets are not intended for children. Accidental ingestion of several magnets can lead to them connecting inside the digestive tract, which constitutes a direct threat to life and requires immediate surgery.
Cards and drives
Equipment safety: Neodymium magnets can damage payment cards and sensitive devices (heart implants, medical aids, timepieces).
Maximum temperature
Monitor thermal conditions. Exposing the magnet to high heat will ruin its properties and pulling force.
Bone fractures
Mind your fingers. Two large magnets will snap together instantly with a force of several hundred kilograms, destroying anything in their path. Be careful!
Shattering risk
Beware of splinters. Magnets can explode upon uncontrolled impact, ejecting shards into the air. Eye protection is mandatory.
Warning for allergy sufferers
Some people experience a sensitization to nickel, which is the typical protective layer for NdFeB magnets. Extended handling might lead to a rash. We recommend wear safety gloves.
Machining danger
Powder generated during cutting of magnets is flammable. Avoid drilling into magnets without proper cooling and knowledge.
ICD Warning
Life threat: Neodymium magnets can deactivate pacemakers and defibrillators. Do not approach if you have medical devices.
Caution required
Use magnets with awareness. Their immense force can surprise even professionals. Be vigilant and do not underestimate their power.
Keep away from electronics
A strong magnetic field negatively affects the operation of magnetometers in phones and GPS navigation. Keep magnets near a smartphone to avoid breaking the sensors.
