MW 5x10 / N38 - cylindrical magnet
cylindrical magnet
Catalog no 010083
GTIN/EAN: 5906301810827
Diameter Ø
5 mm [±0,1 mm]
Height
10 mm [±0,1 mm]
Weight
1.47 g
Magnetization Direction
↑ axial
Load capacity
0.56 kg / 5.45 N
Magnetic Induction
599.97 mT / 6000 Gs
Coating
[NiCuNi] Nickel
0.800 ZŁ with VAT / pcs + price for transport
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Technical - MW 5x10 / N38 - cylindrical magnet
Specification / characteristics - MW 5x10 / N38 - cylindrical magnet
| properties | values |
|---|---|
| Cat. no. | 010083 |
| GTIN/EAN | 5906301810827 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 5 mm [±0,1 mm] |
| Height | 10 mm [±0,1 mm] |
| Weight | 1.47 g |
| Magnetization Direction | ↑ axial |
| Load capacity ~ ? | 0.56 kg / 5.45 N |
| Magnetic Induction ~ ? | 599.97 mT / 6000 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 |
Engineering analysis of the magnet - data
Presented values constitute the result of a physical calculation. Results are based on algorithms for the class Nd2Fe14B. Actual performance might slightly differ. Treat these calculations as a supplementary guide during assembly planning.
Table 1: Static force (pull vs distance) - power drop
MW 5x10 / N38
| Distance (mm) | Induction (Gauss) / mT | Pull Force (kg/lbs/g/N) | Risk Status |
|---|---|---|---|
| 0 mm |
5990 Gs
599.0 mT
|
0.56 kg / 1.23 LBS
560.0 g / 5.5 N
|
low risk |
| 1 mm |
3743 Gs
374.3 mT
|
0.22 kg / 0.48 LBS
218.7 g / 2.1 N
|
low risk |
| 2 mm |
2197 Gs
219.7 mT
|
0.08 kg / 0.17 LBS
75.3 g / 0.7 N
|
low risk |
| 3 mm |
1325 Gs
132.5 mT
|
0.03 kg / 0.06 LBS
27.4 g / 0.3 N
|
low risk |
| 5 mm |
570 Gs
57.0 mT
|
0.01 kg / 0.01 LBS
5.1 g / 0.0 N
|
low risk |
| 10 mm |
137 Gs
13.7 mT
|
0.00 kg / 0.00 LBS
0.3 g / 0.0 N
|
low risk |
| 15 mm |
54 Gs
5.4 mT
|
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
|
low risk |
| 20 mm |
26 Gs
2.6 mT
|
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
|
low risk |
| 30 mm |
9 Gs
0.9 mT
|
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
|
low risk |
| 50 mm |
2 Gs
0.2 mT
|
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
|
low risk |
Table 2: Shear capacity (vertical surface)
MW 5x10 / N38
| Distance (mm) | Friction coefficient | Pull Force (kg/lbs/g/N) |
|---|---|---|
| 0 mm | Stal (~0.2) |
0.11 kg / 0.25 LBS
112.0 g / 1.1 N
|
| 1 mm | Stal (~0.2) |
0.04 kg / 0.10 LBS
44.0 g / 0.4 N
|
| 2 mm | Stal (~0.2) |
0.02 kg / 0.04 LBS
16.0 g / 0.2 N
|
| 3 mm | Stal (~0.2) |
0.01 kg / 0.01 LBS
6.0 g / 0.1 N
|
| 5 mm | Stal (~0.2) |
0.00 kg / 0.00 LBS
2.0 g / 0.0 N
|
| 10 mm | Stal (~0.2) |
0.00 kg / 0.00 LBS
0.0 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) - vertical pull
MW 5x10 / N38
| Surface type | Friction coefficient / % Mocy | Max load (kg/lbs/g/N) |
|---|---|---|
| Raw steel |
µ = 0.3
30% Nominalnej Siły
|
0.17 kg / 0.37 LBS
168.0 g / 1.6 N
|
| Painted steel (standard) |
µ = 0.2
20% Nominalnej Siły
|
0.11 kg / 0.25 LBS
112.0 g / 1.1 N
|
| Oily/slippery steel |
µ = 0.1
10% Nominalnej Siły
|
0.06 kg / 0.12 LBS
56.0 g / 0.5 N
|
| Magnet with anti-slip rubber |
µ = 0.5
50% Nominalnej Siły
|
0.28 kg / 0.62 LBS
280.0 g / 2.7 N
|
Table 4: Steel thickness (substrate influence) - sheet metal selection
MW 5x10 / N38
| Steel thickness (mm) | % power | Real pull force (kg/lbs/g/N) |
|---|---|---|
| 0.5 mm |
|
0.06 kg / 0.12 LBS
56.0 g / 0.5 N
|
| 1 mm |
|
0.14 kg / 0.31 LBS
140.0 g / 1.4 N
|
| 2 mm |
|
0.28 kg / 0.62 LBS
280.0 g / 2.7 N
|
| 3 mm |
|
0.42 kg / 0.93 LBS
420.0 g / 4.1 N
|
| 5 mm |
|
0.56 kg / 1.23 LBS
560.0 g / 5.5 N
|
| 10 mm |
|
0.56 kg / 1.23 LBS
560.0 g / 5.5 N
|
| 11 mm |
|
0.56 kg / 1.23 LBS
560.0 g / 5.5 N
|
| 12 mm |
|
0.56 kg / 1.23 LBS
560.0 g / 5.5 N
|
Table 5: Thermal resistance (stability) - thermal limit
MW 5x10 / N38
| Ambient temp. (°C) | Power loss | Remaining pull (kg/lbs/g/N) | Status |
|---|---|---|---|
| 20 °C | 0.0% |
0.56 kg / 1.23 LBS
560.0 g / 5.5 N
|
OK |
| 40 °C | -2.2% |
0.55 kg / 1.21 LBS
547.7 g / 5.4 N
|
OK |
| 60 °C | -4.4% |
0.54 kg / 1.18 LBS
535.4 g / 5.3 N
|
OK |
| 80 °C | -6.6% |
0.52 kg / 1.15 LBS
523.0 g / 5.1 N
|
|
| 100 °C | -28.8% |
0.40 kg / 0.88 LBS
398.7 g / 3.9 N
|
Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MW 5x10 / N38
| Gap (mm) | Attraction (kg/lbs) (N-S) | Shear Force (kg/lbs/g/N) | Repulsion (kg/lbs) (N-N) |
|---|---|---|---|
| 0 mm |
4.34 kg / 9.58 LBS
6 127 Gs
|
0.65 kg / 1.44 LBS
652 g / 6.4 N
|
N/A |
| 1 mm |
2.81 kg / 6.19 LBS
9 631 Gs
|
0.42 kg / 0.93 LBS
421 g / 4.1 N
|
2.53 kg / 5.57 LBS
~0 Gs
|
| 2 mm |
1.70 kg / 3.74 LBS
7 486 Gs
|
0.25 kg / 0.56 LBS
254 g / 2.5 N
|
1.53 kg / 3.37 LBS
~0 Gs
|
| 3 mm |
1.00 kg / 2.20 LBS
5 737 Gs
|
0.15 kg / 0.33 LBS
149 g / 1.5 N
|
0.90 kg / 1.98 LBS
~0 Gs
|
| 5 mm |
0.35 kg / 0.77 LBS
3 391 Gs
|
0.05 kg / 0.12 LBS
52 g / 0.5 N
|
0.31 kg / 0.69 LBS
~0 Gs
|
| 10 mm |
0.04 kg / 0.09 LBS
1 140 Gs
|
0.01 kg / 0.01 LBS
6 g / 0.1 N
|
0.04 kg / 0.08 LBS
~0 Gs
|
| 20 mm |
0.00 kg / 0.01 LBS
274 Gs
|
0.00 kg / 0.00 LBS
0 g / 0.0 N
|
0.00 kg / 0.00 LBS
~0 Gs
|
| 50 mm |
0.00 kg / 0.00 LBS
30 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
19 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
12 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) (implants) - precautionary measures
MW 5x10 / N38
| Object / Device | Limit (Gauss) / mT | Safe distance |
|---|---|---|
| Pacemaker | 5 Gs (0.5 mT) | 4.0 cm |
| Hearing aid | 10 Gs (1.0 mT) | 3.0 cm |
| Mechanical watch | 20 Gs (2.0 mT) | 2.5 cm |
| Mobile device | 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) | 0.5 cm |
Table 8: Collisions (cracking risk) - warning
MW 5x10 / N38
| Start from (mm) | Speed (km/h) | Energy (J) | Predicted outcome |
|---|---|---|---|
| 10 mm |
19.69 km/h
(5.47 m/s)
|
0.02 J | |
| 30 mm |
34.09 km/h
(9.47 m/s)
|
0.07 J | |
| 50 mm |
44.02 km/h
(12.23 m/s)
|
0.11 J | |
| 100 mm |
62.25 km/h
(17.29 m/s)
|
0.22 J |
Table 9: Surface protection spec
MW 5x10 / 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 5x10 / N38
| Parameter | Value | SI Unit / Description |
|---|---|---|
| Magnetic Flux | 1 306 Mx | 13.1 µWb |
| Pc Coefficient | 1.21 | High (Stable) |
Table 11: Submerged application
MW 5x10 / N38
| Environment | Effective steel pull | Effect |
|---|---|---|
| Air (land) | 0.56 kg | Standard |
| Water (riverbed) |
0.64 kg
(+0.08 kg buoyancy gain)
|
+14.5% |
1. Wall mount (shear)
*Note: On a vertical wall, the magnet holds only approx. 20-30% of its max power.
2. Steel saturation
*Thin steel (e.g. computer case) drastically reduces the holding force.
3. Heat tolerance
*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) = 1.21
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.
Elemental analysis
| 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 and cons of neodymium magnets.
Advantages
- They do not lose power, even during approximately 10 years – the decrease in power is only ~1% (according to tests),
- Magnets very well defend themselves against loss of magnetization caused by foreign field sources,
- A magnet with a shiny silver surface has an effective appearance,
- Neodymium magnets generate maximum magnetic induction on a small surface, which ensures high operational effectiveness,
- Due to their durability and thermal resistance, neodymium magnets can operate (depending on the shape) even at high temperatures reaching 230°C or more...
- Thanks to flexibility in designing and the capacity to adapt to client solutions,
- Huge importance in modern industrial fields – they are commonly used in mass storage devices, motor assemblies, advanced medical instruments, and complex engineering applications.
- Compactness – despite small sizes they generate large force, making them ideal for precision applications
Weaknesses
- To avoid cracks under impact, we recommend using special steel housings. Such a solution protects the magnet and simultaneously increases its durability.
- We warn that neodymium magnets can lose their strength at high temperatures. To prevent this, we suggest our specialized [AH] magnets, which work effectively even at 230°C.
- They rust in a humid environment. For use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
- Limited possibility of producing threads in the magnet and complicated shapes - preferred is casing - mounting mechanism.
- Possible danger to health – tiny shards of magnets pose a threat, if swallowed, which becomes key in the context of child safety. Furthermore, small components of these products are able to complicate diagnosis medical when they are in the body.
- Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications
Holding force characteristics
Maximum lifting force for a neodymium magnet – what contributes to it?
- using a base made of low-carbon steel, acting as a magnetic yoke
- possessing a thickness of minimum 10 mm to avoid saturation
- with a surface perfectly flat
- under conditions of gap-free contact (surface-to-surface)
- under perpendicular application of breakaway force (90-degree angle)
- in temp. approx. 20°C
Lifting capacity in real conditions – factors
- Distance – the presence of foreign body (rust, dirt, air) acts as an insulator, which reduces power steeply (even by 50% at 0.5 mm).
- Force direction – note that the magnet has greatest strength perpendicularly. Under shear forces, the holding force drops significantly, often to levels of 20-30% of the nominal value.
- Substrate thickness – for full efficiency, the steel must be adequately massive. Thin sheet restricts the attraction force (the magnet "punches through" it).
- Material composition – not every steel reacts the same. High carbon content weaken the attraction effect.
- Surface finish – ideal contact is possible only on polished steel. Any scratches and bumps create air cushions, weakening the magnet.
- Thermal environment – heating the magnet results in weakening of induction. It is worth remembering the maximum operating temperature for a given model.
Holding force was measured on a smooth steel plate of 20 mm thickness, when a perpendicular force was applied, whereas under attempts to slide the magnet the load capacity is reduced by as much as 5 times. Moreover, even a slight gap between the magnet and the plate decreases the lifting capacity.
Safety rules for work with NdFeB magnets
Respect the power
Handle magnets with awareness. Their powerful strength can shock even experienced users. Stay alert and respect their power.
Nickel allergy
Allergy Notice: The nickel-copper-nickel coating consists of nickel. If redness happens, immediately stop working with magnets and wear gloves.
Keep away from computers
Data protection: Strong magnets can ruin data carriers and sensitive devices (heart implants, hearing aids, mechanical watches).
Operating temperature
Watch the temperature. Heating the magnet above 80 degrees Celsius will ruin its magnetic structure and strength.
Dust is flammable
Machining of neodymium magnets carries a risk of fire risk. Neodymium dust oxidizes rapidly with oxygen and is difficult to extinguish.
GPS and phone interference
Be aware: neodymium magnets produce a field that interferes with sensitive sensors. Maintain a safe distance from your phone, device, and GPS.
Beware of splinters
Watch out for shards. Magnets can fracture upon uncontrolled impact, ejecting sharp fragments into the air. Wear goggles.
Swallowing risk
Product intended for adults. Tiny parts can be swallowed, leading to serious injuries. Store out of reach of kids and pets.
Crushing risk
Big blocks can break fingers in a fraction of a second. Under no circumstances put your hand betwixt two attracting surfaces.
Warning for heart patients
Warning for patients: Strong magnetic fields affect medical devices. Keep at least 30 cm distance or request help to handle the magnets.
