MW 10x1.5 / N38 - cylindrical magnet
cylindrical magnet
Catalog no 010003
GTIN/EAN: 5906301810001
Diameter Ø
10 mm [±0,1 mm]
Height
1.5 mm [±0,1 mm]
Weight
0.88 g
Magnetization Direction
↑ axial
Load capacity
0.82 kg / 8.01 N
Magnetic Induction
178.06 mT / 1781 Gs
Coating
[NiCuNi] Nickel
0.431 ZŁ with VAT / pcs + price for transport
0.350 ZŁ net + 23% VAT / pcs
bulk discounts:
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Technical data of the product - MW 10x1.5 / N38 - cylindrical magnet
Specification / characteristics - MW 10x1.5 / N38 - cylindrical magnet
| properties | values |
|---|---|
| Cat. no. | 010003 |
| GTIN/EAN | 5906301810001 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 10 mm [±0,1 mm] |
| Height | 1.5 mm [±0,1 mm] |
| Weight | 0.88 g |
| Magnetization Direction | ↑ axial |
| Load capacity ~ ? | 0.82 kg / 8.01 N |
| Magnetic Induction ~ ? | 178.06 mT / 1781 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 - technical parameters
These values are the direct effect of a physical simulation. Values rely on models for the material Nd2Fe14B. Operational performance might slightly differ. Please consider these data as a supplementary guide for designers.
Table 1: Static pull force (pull vs distance) - interaction chart
MW 10x1.5 / N38
| Distance (mm) | Induction (Gauss) / mT | Pull Force (kg/lbs/g/N) | Risk Status |
|---|---|---|---|
| 0 mm |
1780 Gs
178.0 mT
|
0.82 kg / 1.81 pounds
820.0 g / 8.0 N
|
weak grip |
| 1 mm |
1557 Gs
155.7 mT
|
0.63 kg / 1.38 pounds
627.2 g / 6.2 N
|
weak grip |
| 2 mm |
1253 Gs
125.3 mT
|
0.41 kg / 0.90 pounds
406.2 g / 4.0 N
|
weak grip |
| 3 mm |
958 Gs
95.8 mT
|
0.24 kg / 0.52 pounds
237.4 g / 2.3 N
|
weak grip |
| 5 mm |
530 Gs
53.0 mT
|
0.07 kg / 0.16 pounds
72.8 g / 0.7 N
|
weak grip |
| 10 mm |
140 Gs
14.0 mT
|
0.01 kg / 0.01 pounds
5.1 g / 0.1 N
|
weak grip |
| 15 mm |
52 Gs
5.2 mT
|
0.00 kg / 0.00 pounds
0.7 g / 0.0 N
|
weak grip |
| 20 mm |
24 Gs
2.4 mT
|
0.00 kg / 0.00 pounds
0.1 g / 0.0 N
|
weak grip |
| 30 mm |
8 Gs
0.8 mT
|
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
|
weak grip |
| 50 mm |
2 Gs
0.2 mT
|
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
|
weak grip |
Table 2: Sliding force (wall)
MW 10x1.5 / N38
| Distance (mm) | Friction coefficient | Pull Force (kg/lbs/g/N) |
|---|---|---|
| 0 mm | Stal (~0.2) |
0.16 kg / 0.36 pounds
164.0 g / 1.6 N
|
| 1 mm | Stal (~0.2) |
0.13 kg / 0.28 pounds
126.0 g / 1.2 N
|
| 2 mm | Stal (~0.2) |
0.08 kg / 0.18 pounds
82.0 g / 0.8 N
|
| 3 mm | Stal (~0.2) |
0.05 kg / 0.11 pounds
48.0 g / 0.5 N
|
| 5 mm | Stal (~0.2) |
0.01 kg / 0.03 pounds
14.0 g / 0.1 N
|
| 10 mm | Stal (~0.2) |
0.00 kg / 0.00 pounds
2.0 g / 0.0 N
|
| 15 mm | Stal (~0.2) |
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
|
| 20 mm | Stal (~0.2) |
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
|
| 30 mm | Stal (~0.2) |
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
|
| 50 mm | Stal (~0.2) |
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
|
Table 3: Vertical assembly (sliding) - vertical pull
MW 10x1.5 / N38
| Surface type | Friction coefficient / % Mocy | Max load (kg/lbs/g/N) |
|---|---|---|
| Raw steel |
µ = 0.3
30% Nominalnej Siły
|
0.25 kg / 0.54 pounds
246.0 g / 2.4 N
|
| Painted steel (standard) |
µ = 0.2
20% Nominalnej Siły
|
0.16 kg / 0.36 pounds
164.0 g / 1.6 N
|
| Oily/slippery steel |
µ = 0.1
10% Nominalnej Siły
|
0.08 kg / 0.18 pounds
82.0 g / 0.8 N
|
| Magnet with anti-slip rubber |
µ = 0.5
50% Nominalnej Siły
|
0.41 kg / 0.90 pounds
410.0 g / 4.0 N
|
Table 4: Material efficiency (substrate influence) - power losses
MW 10x1.5 / N38
| Steel thickness (mm) | % power | Real pull force (kg/lbs/g/N) |
|---|---|---|
| 0.5 mm |
|
0.08 kg / 0.18 pounds
82.0 g / 0.8 N
|
| 1 mm |
|
0.21 kg / 0.45 pounds
205.0 g / 2.0 N
|
| 2 mm |
|
0.41 kg / 0.90 pounds
410.0 g / 4.0 N
|
| 3 mm |
|
0.62 kg / 1.36 pounds
615.0 g / 6.0 N
|
| 5 mm |
|
0.82 kg / 1.81 pounds
820.0 g / 8.0 N
|
| 10 mm |
|
0.82 kg / 1.81 pounds
820.0 g / 8.0 N
|
| 11 mm |
|
0.82 kg / 1.81 pounds
820.0 g / 8.0 N
|
| 12 mm |
|
0.82 kg / 1.81 pounds
820.0 g / 8.0 N
|
Table 5: Thermal resistance (stability) - resistance threshold
MW 10x1.5 / N38
| Ambient temp. (°C) | Power loss | Remaining pull (kg/lbs/g/N) | Status |
|---|---|---|---|
| 20 °C | 0.0% |
0.82 kg / 1.81 pounds
820.0 g / 8.0 N
|
OK |
| 40 °C | -2.2% |
0.80 kg / 1.77 pounds
802.0 g / 7.9 N
|
OK |
| 60 °C | -4.4% |
0.78 kg / 1.73 pounds
783.9 g / 7.7 N
|
|
| 80 °C | -6.6% |
0.77 kg / 1.69 pounds
765.9 g / 7.5 N
|
|
| 100 °C | -28.8% |
0.58 kg / 1.29 pounds
583.8 g / 5.7 N
|
Table 6: Two magnets (repulsion) - field collision
MW 10x1.5 / N38
| Gap (mm) | Attraction (kg/lbs) (N-S) | Shear Strength (kg/lbs/g/N) | Repulsion (kg/lbs) (N-N) |
|---|---|---|---|
| 0 mm |
1.53 kg / 3.38 pounds
3 185 Gs
|
0.23 kg / 0.51 pounds
230 g / 2.3 N
|
N/A |
| 1 mm |
1.38 kg / 3.03 pounds
3 371 Gs
|
0.21 kg / 0.45 pounds
206 g / 2.0 N
|
1.24 kg / 2.73 pounds
~0 Gs
|
| 2 mm |
1.17 kg / 2.59 pounds
3 114 Gs
|
0.18 kg / 0.39 pounds
176 g / 1.7 N
|
1.06 kg / 2.33 pounds
~0 Gs
|
| 3 mm |
0.96 kg / 2.12 pounds
2 817 Gs
|
0.14 kg / 0.32 pounds
144 g / 1.4 N
|
0.86 kg / 1.91 pounds
~0 Gs
|
| 5 mm |
0.59 kg / 1.29 pounds
2 201 Gs
|
0.09 kg / 0.19 pounds
88 g / 0.9 N
|
0.53 kg / 1.16 pounds
~0 Gs
|
| 10 mm |
0.14 kg / 0.30 pounds
1 060 Gs
|
0.02 kg / 0.05 pounds
20 g / 0.2 N
|
0.12 kg / 0.27 pounds
~0 Gs
|
| 20 mm |
0.01 kg / 0.02 pounds
281 Gs
|
0.00 kg / 0.00 pounds
1 g / 0.0 N
|
0.00 kg / 0.00 pounds
~0 Gs
|
| 50 mm |
0.00 kg / 0.00 pounds
26 Gs
|
0.00 kg / 0.00 pounds
0 g / 0.0 N
|
0.00 kg / 0.00 pounds
~0 Gs
|
| 60 mm |
0.00 kg / 0.00 pounds
15 Gs
|
0.00 kg / 0.00 pounds
0 g / 0.0 N
|
0.00 kg / 0.00 pounds
~0 Gs
|
| 70 mm |
0.00 kg / 0.00 pounds
10 Gs
|
0.00 kg / 0.00 pounds
0 g / 0.0 N
|
0.00 kg / 0.00 pounds
~0 Gs
|
| 80 mm |
0.00 kg / 0.00 pounds
7 Gs
|
0.00 kg / 0.00 pounds
0 g / 0.0 N
|
0.00 kg / 0.00 pounds
~0 Gs
|
| 90 mm |
0.00 kg / 0.00 pounds
5 Gs
|
0.00 kg / 0.00 pounds
0 g / 0.0 N
|
0.00 kg / 0.00 pounds
~0 Gs
|
| 100 mm |
0.00 kg / 0.00 pounds
4 Gs
|
0.00 kg / 0.00 pounds
0 g / 0.0 N
|
0.00 kg / 0.00 pounds
~0 Gs
|
Table 7: Safety (HSE) (electronics) - precautionary measures
MW 10x1.5 / N38
| Object / Device | Limit (Gauss) / mT | Safe distance |
|---|---|---|
| Pacemaker | 5 Gs (0.5 mT) | 3.5 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 |
| Remote | 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 (kinetic energy) - warning
MW 10x1.5 / N38
| Start from (mm) | Speed (km/h) | Energy (J) | Predicted outcome |
|---|---|---|---|
| 10 mm |
30.91 km/h
(8.58 m/s)
|
0.03 J | |
| 30 mm |
53.32 km/h
(14.81 m/s)
|
0.10 J | |
| 50 mm |
68.84 km/h
(19.12 m/s)
|
0.16 J | |
| 100 mm |
97.35 km/h
(27.04 m/s)
|
0.32 J |
Table 9: Corrosion resistance
MW 10x1.5 / 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 10x1.5 / N38
| Parameter | Value | SI Unit / Description |
|---|---|---|
| Magnetic Flux | 1 717 Mx | 17.2 µWb |
| Pc Coefficient | 0.22 | Low (Flat) |
Table 11: Underwater work (magnet fishing)
MW 10x1.5 / N38
| Environment | Effective steel pull | Effect |
|---|---|---|
| Air (land) | 0.82 kg | Standard |
| Water (riverbed) |
0.94 kg
(+0.12 kg buoyancy gain)
|
+14.5% |
1. Shear force
*Warning: On a vertical surface, the magnet holds merely ~20% of its max power.
2. Steel saturation
*Thin metal sheet (e.g. computer case) drastically limits the holding force.
3. Power loss vs temp
*For N38 material, the safety limit is 80°C.
4. Demagnetization curve and operating point (B-H)
chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.22
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.
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 offers
Pros and cons of rare earth magnets.
Benefits
- They have constant strength, and over around 10 years their performance decreases symbolically – ~1% (according to theory),
- They possess excellent resistance to magnetic field loss when exposed to external fields,
- In other words, due to the smooth finish of silver, the element gains a professional look,
- The surface of neodymium magnets generates a maximum magnetic field – this is one of their assets,
- Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and are able to act (depending on the shape) even at a temperature of 230°C or more...
- In view of the potential of accurate molding and customization to unique projects, NdFeB magnets can be manufactured in a variety of shapes and sizes, which expands the range of possible applications,
- Fundamental importance in high-tech industry – they are used in hard drives, electric motors, precision medical tools, also industrial machines.
- Relatively small size with high pulling force – neodymium magnets offer high power in small dimensions, which enables their usage in compact constructions
Limitations
- To avoid cracks under impact, we suggest using special steel housings. Such a solution secures the magnet and simultaneously increases its 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
- Magnets exposed to a humid environment can corrode. Therefore when using outdoors, we recommend using waterproof magnets made of rubber, plastic or other material protecting against moisture
- Due to limitations in realizing threads and complicated forms in magnets, we recommend using a housing - magnetic mount.
- Potential hazard to health – tiny shards of magnets are risky, when accidentally swallowed, which gains importance in the aspect of protecting the youngest. Furthermore, small components of these devices can disrupt the diagnostic process medical after entering the body.
- Due to expensive raw materials, their price is higher than average,
Holding force characteristics
Maximum lifting force for a neodymium magnet – what it depends on?
- on a block made of mild steel, perfectly concentrating the magnetic flux
- possessing a thickness of min. 10 mm to avoid saturation
- with a surface free of scratches
- with zero gap (without impurities)
- during detachment in a direction perpendicular to the plane
- in stable room temperature
Lifting capacity in practice – influencing factors
- Gap between surfaces – even a fraction of a millimeter of distance (caused e.g. by varnish or dirt) drastically reduces the pulling force, often by half at just 0.5 mm.
- Load vector – highest force is available only during pulling at a 90° angle. The shear force of the magnet along the plate is typically several times lower (approx. 1/5 of the lifting capacity).
- Element thickness – for full efficiency, the steel must be adequately massive. Paper-thin metal restricts the lifting capacity (the magnet "punches through" it).
- Material type – ideal substrate is pure iron steel. Cast iron may attract less.
- Surface quality – the smoother and more polished the plate, the larger the contact zone and stronger the hold. Roughness creates an air distance.
- Thermal environment – heating the magnet results in weakening of force. It is worth remembering the thermal limit for a given model.
Lifting capacity was measured by applying a polished steel plate of optimal thickness (min. 20 mm), under perpendicular pulling force, in contrast under shearing force the load capacity is reduced by as much as fivefold. In addition, even a slight gap between the magnet’s surface and the plate decreases the load capacity.
H&S for magnets
Protective goggles
Beware of splinters. Magnets can explode upon uncontrolled impact, launching shards into the air. We recommend safety glasses.
Warning for allergy sufferers
Studies show that the nickel plating (the usual finish) is a potent allergen. For allergy sufferers, avoid direct skin contact and opt for versions in plastic housing.
Thermal limits
Standard neodymium magnets (grade N) lose power when the temperature surpasses 80°C. The loss of strength is permanent.
Bone fractures
Big blocks can smash fingers in a fraction of a second. Never put your hand between two attracting surfaces.
Product not for children
Strictly keep magnets out of reach of children. Choking hazard is significant, and the effects of magnets connecting inside the body are very dangerous.
Fire risk
Powder generated during cutting of magnets is self-igniting. Do not drill into magnets unless you are an expert.
Threat to navigation
Be aware: neodymium magnets produce a field that confuses sensitive sensors. Maintain a separation from your mobile, device, and GPS.
Life threat
Health Alert: Neodymium magnets can deactivate heart devices and defibrillators. Do not approach if you have medical devices.
Protect data
Equipment safety: Neodymium magnets can ruin data carriers and sensitive devices (heart implants, hearing aids, mechanical watches).
Conscious usage
Before starting, read the rules. Sudden snapping can break the magnet or injure your hand. Think ahead.
