MW 10x2 zestaw 100 szt. / N38 - cylindrical magnet
cylindrical magnet
Catalog no 010527
GTIN/EAN: 5906301815181
- Diameter Ø
- 10 mm [±0,1 mm]
- Height
- 2 mm [±0,1 mm]
- Weight
- 118 g
- Magnetization Direction
- ↑ axial
- Coating
- [NiCuNi] Nickel
How we measure these parameters — certificates and measurements
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Need more?Frequently asked questions
Where can I buy strong cylindrical neodymium magnets?
Can a small cylindrical magnet provide a strong grip for precise workshop work?
Which cylindrical magnet can work at a higher temperature?
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 - MW 10x2 zestaw 100 szt. / N38 - cylindrical magnet
Specification / characteristics - MW 10x2 zestaw 100 szt. / N38 - cylindrical magnet
| properties | values |
|---|---|
| Cat. no. | 010527 |
| GTIN/EAN | 5906301815181 |
| Distributor | 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 | 118 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 |
|---|---|---|
| Remanence Br ? | 12.2-12.6 | kGs |
| Remanence Br ? | 1220-1260 | mT |
| Coercivity bHc ? | 10.8-11.5 | kOe |
| Coercivity bHc ? | 860-915 | kA/m |
| Intrinsic coercivity iHc | ≥ 12 | kOe |
| Intrinsic coercivity iHc | ≥ 955 | kA/m |
| Energy product BHmax ? | 36-38 | BH max MGOe |
| Energy product BHmax ? | 287-303 | BH max KJ/m |
| Maximum working 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 |
Physical analysis of the assembly - technical parameters
The following values represent the outcome of a physical analysis. Results were calculated on models for the class Nd2Fe14B. Operational performance may differ from theoretical values. Use these data as a reference point when designing systems.
Table 1: Static force (force vs distance) - power drop
MW 10x2 zestaw 100 szt. / 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 load (wall)
MW 10x2 zestaw 100 szt. / N38
| Distance (mm) | Friction coefficient | Pull Force (kg/lbs/g/N) |
|---|---|---|
| 0 mm | Raw steel (µ ≈ 0.2) |
0.25 kg / 0.56 lbs
254.0 g / 2.5 N
|
| 1 mm | Raw steel (µ ≈ 0.2) |
0.19 kg / 0.41 lbs
188.0 g / 1.8 N
|
| 2 mm | Raw steel (µ ≈ 0.2) |
0.12 kg / 0.26 lbs
118.0 g / 1.2 N
|
| 3 mm | Raw steel (µ ≈ 0.2) |
0.07 kg / 0.15 lbs
68.0 g / 0.7 N
|
| 5 mm | Raw steel (µ ≈ 0.2) |
0.02 kg / 0.04 lbs
20.0 g / 0.2 N
|
| 10 mm | Raw steel (µ ≈ 0.2) |
0.00 kg / 0.00 lbs
2.0 g / 0.0 N
|
| 15 mm | Raw steel (µ ≈ 0.2) |
0.00 kg / 0.00 lbs
0.0 g / 0.0 N
|
| 20 mm | Raw steel (µ ≈ 0.2) |
0.00 kg / 0.00 lbs
0.0 g / 0.0 N
|
| 30 mm | Raw steel (µ ≈ 0.2) |
0.00 kg / 0.00 lbs
0.0 g / 0.0 N
|
| 50 mm | Raw steel (µ ≈ 0.2) |
0.00 kg / 0.00 lbs
0.0 g / 0.0 N
|
Table 3: Vertical assembly (sliding) - vertical pull
MW 10x2 zestaw 100 szt. / N38
| Surface type | Friction coefficient / % | Max load (kg/lbs/g/N) |
|---|---|---|
| Raw steel |
µ = 0.3
30% of nominal force
|
0.38 kg / 0.84 lbs
381.0 g / 3.7 N
|
| Painted steel (standard) |
µ = 0.2
20% of nominal force
|
0.25 kg / 0.56 lbs
254.0 g / 2.5 N
|
| Oily/slippery steel |
µ = 0.1
10% of nominal force
|
0.13 kg / 0.28 lbs
127.0 g / 1.2 N
|
| Magnet with anti-slip rubber |
µ = 0.5
50% of nominal force
|
0.64 kg / 1.40 lbs
635.0 g / 6.2 N
|
Table 4: Steel thickness (substrate influence) - power losses
MW 10x2 zestaw 100 szt. / 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: Thermal stability (stability) - power drop
MW 10x2 zestaw 100 szt. / N38
| Magnet temperature (°C) | Force change relative to 20°C | Remaining pull (kg/lbs/g/N) | Status |
|---|---|---|---|
| 20 °C | 0.0% |
1.27 kg / 2.80 lbs
1270.0 g / 12.5 N
|
Estimate |
| 40 °C | -4.4% |
1.21 kg / 2.68 lbs
1214.7 g / 11.9 N
|
Estimate |
| 60 °C | -8.6% |
1.16 kg / 2.56 lbs
1160.7 g / 11.4 N
|
Estimate |
| 80 °C | -12.8% |
1.11 kg / 2.44 lbs
1107.9 g / 10.9 N
|
Material limit |
| 100 °C | — | — | Out of range — no model |
Table 6: Magnet-Magnet interaction (attraction) - field range
MW 10x2 zestaw 100 szt. / N38
| Gap (mm) | Attraction (kg/lbs) (N-S) | Shear Strength (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: Axial field levels — not safety zones
MW 10x2 zestaw 100 szt. / N38
| Field level (Gs) | mT | Model distance (cm) |
|---|---|---|
| < 5 Gs | < 0.5 mT | 4.0 cm |
| < 10 Gs | < 1.0 mT | 3.5 cm |
| < 20 Gs | < 2.0 mT | 2.5 cm |
| < 40 Gs | < 4.0 mT | 2.0 cm |
| < 50 Gs | < 5.0 mT | 2.0 cm |
| < 400 Gs | < 40.0 mT | 1.0 cm |
| < 600 Gs | < 60.0 mT | 1.0 cm |
Table 8: Collisions (cracking risk) - warning
MW 10x2 zestaw 100 szt. / N38
| Start from (mm) | Speed (km/h) | Energy (J) | Predicted outcome |
|---|---|---|---|
| 10 mm |
2.50 km/h
(0.70 m/s)
|
0.03 J | |
| 30 mm |
2.51 km/h
(0.70 m/s)
|
0.03 J | |
| 50 mm |
2.51 km/h
(0.70 m/s)
|
0.03 J | |
| 100 mm |
2.51 km/h
(0.70 m/s)
|
0.03 J |
Table 9: Anti-corrosion coating durability
MW 10x2 zestaw 100 szt. / 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 10x2 zestaw 100 szt. / N38
| Parameter | Value | SI Unit / Description |
|---|---|---|
| Magnetic Flux | 2 097 Mx | 21.0 µWb |
| Pc Coefficient | 0.29 | Low (Flat) |
Table 11: Physics of underwater searching
MW 10x2 zestaw 100 szt. / 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 retains only a fraction of its perpendicular strength.
2. Steel saturation
*Thin steel (e.g. 0.5mm PC case) drastically reduces the holding force.
3. Thermal stability
N38: the maximum material working temperature is 80°C. Permitted conditions also depend on the shape and magnetic circuit.
4. Demagnetization curve and operating point (B-H)
chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.29
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% |
Sustainability
| recyclability (EoL) | 100% |
| recycled raw materials | ~10% (pre-cons) |
| carbon footprint | low / zredukowany |
| waste code (EWC) | 16 02 16 |
See also deals
Pros and cons of neodymium magnets.
Pros
- Their power remains stable, and after around ten years it decreases only by ~1% (according to research),
- They maintain their magnetic properties even under external field action,
- The use of an refined layer of noble metals (nickel, gold, silver) causes the element to look better,
- The surface of neodymium magnets generates a intense magnetic field – this is a key feature,
- 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...
- Thanks to versatility in designing and the ability to customize to individual projects,
- Universal use in high-tech industry – they are commonly used in magnetic memories, electric motors, advanced medical instruments, and modern systems.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in tiny dimensions, which enables their usage in compact constructions
Cons
- Brittleness is one of their disadvantages. Upon strong impact they can fracture. We recommend keeping them in a strong case, which not only protects them against impacts but also increases their durability
- Do not exceed this material temperature limit: 80°C. Overheating may permanently weaken the magnet.
- Due to the susceptibility of magnets to corrosion in a humid environment, we recommend using waterproof magnets made of rubber, plastic or other material stable to moisture, in case of application outdoors
- Due to limitations in creating threads and complex shapes in magnets, we recommend using cover - magnetic mount.
- Health risk related to microscopic parts of magnets pose a threat, if swallowed, which becomes key in the context of child safety. Furthermore, small components of these devices are able to disrupt the diagnostic process medical after entering the body.
- High unit price – neodymium magnets cost more than other types of magnets (e.g. ferrite), which hinders application in large quantities
Holding force characteristics
Maximum lifting capacity of the magnet – what affects it?
- with the contact of a sheet made of low-carbon steel, ensuring full magnetic saturation
- possessing a thickness of min. 10 mm to avoid saturation
- characterized by smoothness
- with zero gap (no coatings)
- for force applied at a right angle (in the magnet axis)
- at ambient temperature approx. 20 degrees Celsius
What influences lifting capacity in practice
- Air gap (between the magnet and the plate), since even a microscopic distance (e.g. 0.5 mm) leads to a drastic drop in lifting capacity by up to 50% (this also applies to varnish, corrosion or dirt).
- Load vector – maximum parameter is reached only during perpendicular pulling. The resistance to sliding of the magnet along the surface is standardly many times lower (approx. 1/5 of the lifting capacity).
- Wall 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 attracts identically. High carbon content weaken the attraction effect.
- Plate texture – smooth surfaces guarantee perfect abutment, which improves field saturation. Uneven metal reduce efficiency.
- Heat – NdFeB sinters have a sensitivity to temperature. At higher temperatures they are weaker, and at low temperatures they can be stronger (up to a certain limit).
Lifting capacity was determined with the use of a smooth steel plate of suitable thickness (min. 20 mm), under perpendicular detachment force, in contrast under shearing force the holding force is lower. In addition, even a small distance between the magnet and the plate decreases the load capacity.
Safety rules for work with NdFeB magnets
Heat sensitivity
Do not exceed the maximum operating temperature stated in the specifications of the particular product. The limit depends on the material, geometry and operating arrangement; there is no single threshold for all neodymium magnets. Overheating can permanently weaken a magnet.
Fire warning
Machining of neodymium magnets carries a risk of fire hazard. Neodymium dust reacts violently with oxygen and is hard to extinguish.
Implant safety
Warning for patients: Powerful magnets disrupt medical devices. Maintain at least 30 cm distance or request help to work with the magnets.
Allergic reactions
A percentage of the population experience a hypersensitivity to nickel, which is the common plating for neodymium magnets. Prolonged contact might lead to a rash. We strongly advise wear safety gloves.
Hand protection
Watch your fingers. Two large magnets will join instantly with a force of massive weight, destroying everything in their path. Be careful!
Conscious usage
Handle with care. Neodymium magnets act from a distance and connect with huge force, often faster than you can move away.
Adults only
Product intended for adults. Tiny parts can be swallowed, causing intestinal necrosis. Keep away from children and animals.
Material brittleness
Neodymium magnets are sintered ceramics, meaning they are prone to chipping. Collision of two magnets leads to them cracking into small pieces.
Cards and drives
Intense magnetic fields can destroy records on payment cards, HDDs, and other magnetic media. Stay away of min. 10 cm.
GPS Danger
Navigation devices and mobile phones are highly susceptible to magnetic fields. Close proximity with a powerful NdFeB magnet can decalibrate the sensors in your phone.
