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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Detailed specification - 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 |
Technical simulation of the product - technical parameters
Presented information are the outcome of a engineering calculation. Results were calculated on algorithms for the material Nd2Fe14B. Actual conditions might slightly differ from theoretical values. Treat these calculations as a supplementary guide when designing systems.
Table 1: Static pull force (pull vs distance) - interaction chart
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
|
medium risk |
| 1 mm |
3829 Gs
382.9 mT
|
2.19 kg / 4.83 LBS
2193.1 g / 21.5 N
|
medium risk |
| 2 mm |
2955 Gs
295.5 mT
|
1.31 kg / 2.88 LBS
1306.0 g / 12.8 N
|
low risk |
| 3 mm |
2230 Gs
223.0 mT
|
0.74 kg / 1.64 LBS
743.7 g / 7.3 N
|
low risk |
| 5 mm |
1260 Gs
126.0 mT
|
0.24 kg / 0.52 LBS
237.5 g / 2.3 N
|
low risk |
| 10 mm |
372 Gs
37.2 mT
|
0.02 kg / 0.05 LBS
20.7 g / 0.2 N
|
low risk |
| 15 mm |
150 Gs
15.0 mT
|
0.00 kg / 0.01 LBS
3.3 g / 0.0 N
|
low risk |
| 20 mm |
74 Gs
7.4 mT
|
0.00 kg / 0.00 LBS
0.8 g / 0.0 N
|
low risk |
| 30 mm |
25 Gs
2.5 mT
|
0.00 kg / 0.00 LBS
0.1 g / 0.0 N
|
low risk |
| 50 mm |
6 Gs
0.6 mT
|
0.00 kg / 0.00 LBS
0.0 g / 0.0 N
|
low risk |
Table 2: Vertical hold (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: Vertical assembly (sliding) - vertical pull
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) - sheet metal selection
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) - thermal limit
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) | Shear 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: Safety (HSE) (implants) - warnings
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 |
| Timepiece | 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: Impact energy (cracking risk) - collision effects
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: Surface protection spec
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: Construction data (Flux)
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. Vertical hold
*Caution: On a vertical surface, the magnet holds only approx. 20-30% of its nominal pull.
2. Plate thickness effect
*Thin steel (e.g. computer case) significantly limits the holding force.
3. Heat tolerance
*For N38 material, the max working temp 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.
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% |
Environmental data
| recyclability (EoL) | 100% |
| recycled raw materials | ~10% (pre-cons) |
| carbon footprint | low / zredukowany |
| waste code (EWC) | 16 02 16 |
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Strengths and weaknesses of neodymium magnets.
Strengths
- They do not lose power, even during approximately ten years – the reduction in strength is only ~1% (according to tests),
- Neodymium magnets are highly resistant to loss of magnetic properties caused by external field sources,
- The use of an aesthetic finish of noble metals (nickel, gold, silver) causes the element to be more visually attractive,
- Neodymium magnets deliver maximum magnetic induction on a small surface, which increases force concentration,
- Through (adequate) combination of ingredients, they can achieve high thermal strength, allowing for functioning at temperatures reaching 230°C and above...
- Considering the ability of free forming and customization to specialized solutions, neodymium magnets can be produced in a wide range of shapes and sizes, which makes them more universal,
- Key role in modern industrial fields – they are utilized in mass storage devices, motor assemblies, medical equipment, as well as technologically advanced constructions.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in tiny dimensions, which enables their usage in miniature devices
Weaknesses
- To avoid cracks upon strong impacts, we suggest using special steel housings. Such a solution secures the magnet and simultaneously increases its durability.
- We warn that neodymium magnets can reduce their strength at high temperatures. To prevent this, we suggest our specialized [AH] magnets, which work effectively even at 230°C.
- Magnets exposed to a humid environment can rust. Therefore while using outdoors, we advise using water-impermeable magnets made of rubber, plastic or other material resistant to moisture
- We suggest casing - magnetic mechanism, due to difficulties in creating nuts inside the magnet and complicated forms.
- Potential hazard resulting from small fragments of magnets are risky, when accidentally swallowed, which becomes key in the context of child health protection. Additionally, small elements of these products can complicate diagnosis medical when they are in the body.
- With budget limitations the cost of neodymium magnets can be a barrier,
Lifting parameters
Maximum magnetic pulling force – what affects it?
- on a plate made of structural steel, perfectly concentrating the magnetic field
- with a thickness of at least 10 mm
- characterized by smoothness
- with direct contact (no coatings)
- for force applied at a right angle (in the magnet axis)
- in stable room temperature
Practical lifting capacity: influencing factors
- Gap between surfaces – every millimeter of distance (caused e.g. by veneer or unevenness) diminishes the pulling force, often by half at just 0.5 mm.
- Angle of force application – maximum parameter is obtained 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 – to utilize 100% power, the steel must be adequately massive. Paper-thin metal limits the lifting capacity (the magnet "punches through" it).
- Steel grade – ideal substrate is pure iron steel. Stainless steels may have worse magnetic properties.
- Base smoothness – the more even the surface, the larger the contact zone and stronger the hold. Unevenness creates an air distance.
- Temperature – heating the magnet results in weakening of induction. It is worth remembering the thermal limit for a given model.
Lifting capacity testing was conducted on a smooth plate of suitable thickness, under perpendicular forces, in contrast under attempts to slide the magnet the holding force is lower. Additionally, even a slight gap between the magnet’s surface and the plate decreases the holding force.
Precautions when working with NdFeB magnets
Allergy Warning
Allergy Notice: The nickel-copper-nickel coating contains nickel. If skin irritation happens, cease working with magnets and wear gloves.
Powerful field
Use magnets consciously. Their immense force can shock even professionals. Be vigilant and respect their power.
Operating temperature
Do not overheat. Neodymium magnets are susceptible to temperature. If you require operation above 80°C, inquire about HT versions (H, SH, UH).
Fragile material
Watch out for shards. Magnets can fracture upon violent connection, launching sharp fragments into the air. Wear goggles.
Health Danger
Patients with a pacemaker should maintain an absolute distance from magnets. The magnetic field can stop the operation of the life-saving device.
Mechanical processing
Dust produced during grinding of magnets is combustible. Do not drill into magnets without proper cooling and knowledge.
Adults only
Adult use only. Small elements pose a choking risk, causing serious injuries. Keep out of reach of children and animals.
Bone fractures
Pinching hazard: The attraction force is so great that it can result in blood blisters, crushing, and even bone fractures. Protective gloves are recommended.
GPS and phone interference
Remember: rare earth magnets produce a field that confuses precision electronics. Keep a safe distance from your mobile, tablet, and navigation systems.
Magnetic media
Data protection: Strong magnets can ruin payment cards and sensitive devices (heart implants, medical aids, timepieces).
