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MPL 60x10x5 / N38 - lamellar magnet

lamellar magnet

Catalog no 020474

GTIN/EAN: 5906301811947

5.00

length

60 mm [±0,1 mm]

Width

10 mm [±0,1 mm]

Height

5 mm [±0,1 mm]

Weight

22.5 g

Magnetization Direction

↑ axial

Load capacity

18.16 kg / 178.10 N

Magnetic Induction

315.09 mT / 3151 Gs

Coating

[NiCuNi] Nickel

technical details »

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Technical - MPL 60x10x5 / N38 - lamellar magnet

Specification / characteristics - MPL 60x10x5 / N38 - lamellar magnet

properties
properties values
Cat. no. 020474
GTIN/EAN 5906301811947
Production/Distribution Dhit sp. z o.o.
ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin Poland / China / Germany
Customs code 85059029
length 60 mm [±0,1 mm]
Width 10 mm [±0,1 mm]
Height 5 mm [±0,1 mm]
Weight 22.5 g
Magnetization Direction ↑ axial
Load capacity ~ ? 18.16 kg / 178.10 N
Magnetic Induction ~ ? 315.09 mT / 3151 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 60x10x5 / N38 - lamellar magnet
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

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

The following data constitute the result of a physical analysis. Values rely on models for the material Nd2Fe14B. Real-world parameters may deviate from the simulation results. Use these data as a reference point for designers.

Table 1: Static pull force (pull vs gap) - characteristics
MPL 60x10x5 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 3149 Gs
314.9 mT
 18.16 kg / 40.04 pounds
18160.0 g / 178.1 N
 critical level
1 mm 2731 Gs
273.1 mT
 13.66 kg / 30.11 pounds
13658.3 g / 134.0 N
 critical level
2 mm 2302 Gs
230.2 mT
 9.70 kg / 21.38 pounds
9698.4 g / 95.1 N
 medium risk
3 mm 1912 Gs
191.2 mT
 6.70 kg / 14.76 pounds
6696.5 g / 65.7 N
 medium risk
5 mm 1317 Gs
131.7 mT
 3.18 kg / 7.00 pounds
3176.9 g / 31.2 N
 medium risk
10 mm 598 Gs
59.8 mT
 0.65 kg / 1.44 pounds
653.8 g / 6.4 N
 low risk
15 mm 330 Gs
33.0 mT
 0.20 kg / 0.44 pounds
199.2 g / 2.0 N
 low risk
20 mm 205 Gs
20.5 mT
 0.08 kg / 0.17 pounds
77.0 g / 0.8 N
 low risk
30 mm 96 Gs
9.6 mT
 0.02 kg / 0.04 pounds
16.9 g / 0.2 N
 low risk
50 mm 31 Gs
3.1 mT
 0.00 kg / 0.00 pounds
1.8 g / 0.0 N
 low risk
Magnetic force drops significantly per each millimeter of spacing. Remember that even a microscopic distance (e.g., contamination, varnish, dust) noticeably weakens the grip. Magnetic products hold optimally during direct contact; distance kills the force. See how quickly the load capacity plummet, when the magnet does not adhere flatly to the steel surface. When calculating the mounting, eliminate unnecessary gaps.

Table 2: Shear load (wall)
MPL 60x10x5 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 3.63 kg / 8.01 pounds
3632.0 g / 35.6 N
1 mm Stal (~0.2) 2.73 kg / 6.02 pounds
2732.0 g / 26.8 N
2 mm Stal (~0.2) 1.94 kg / 4.28 pounds
1940.0 g / 19.0 N
3 mm Stal (~0.2) 1.34 kg / 2.95 pounds
1340.0 g / 13.1 N
5 mm Stal (~0.2) 0.64 kg / 1.40 pounds
636.0 g / 6.2 N
10 mm Stal (~0.2) 0.13 kg / 0.29 pounds
130.0 g / 1.3 N
15 mm Stal (~0.2) 0.04 kg / 0.09 pounds
40.0 g / 0.4 N
20 mm Stal (~0.2) 0.02 kg / 0.04 pounds
16.0 g / 0.2 N
30 mm Stal (~0.2) 0.00 kg / 0.01 pounds
4.0 g / 0.0 N
50 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
The table below shows the theoretical weight limit required to start the sliding of the magnet downwards on a upright steel plate (considering standard friction). This parameter varies with the separation distance between the magnet and the surface.

Table 3: Wall mounting (shearing) - vertical pull
MPL 60x10x5 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
5.45 kg / 12.01 pounds
5448.0 g / 53.4 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
3.63 kg / 8.01 pounds
3632.0 g / 35.6 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
1.82 kg / 4.00 pounds
1816.0 g / 17.8 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
9.08 kg / 20.02 pounds
9080.0 g / 89.1 N
When hanging a magnet on a vertical surface (e.g., a board), it you can count on just about 20%-30% of its nominal power. Gravitational force as well as a low friction coefficient influence the fact that holders move down faster than they pop off the substrate. Planning a wall mount? Note that the shear force is much weaker than the perpendicular breakaway force. On a slippery surface, the element will slide down under a noticeably lighter load. Utilizing a rubberized layer can significantly increase the grip.

Table 4: Material efficiency (substrate influence) - sheet metal selection
MPL 60x10x5 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
5%
 0.91 kg / 2.00 pounds
908.0 g / 8.9 N
1 mm
13%
 2.27 kg / 5.00 pounds
2270.0 g / 22.3 N
2 mm
25%
 4.54 kg / 10.01 pounds
4540.0 g / 44.5 N
3 mm
38%
 6.81 kg / 15.01 pounds
6810.0 g / 66.8 N
5 mm
63%
 11.35 kg / 25.02 pounds
11350.0 g / 111.3 N
10 mm
100%
 18.16 kg / 40.04 pounds
18160.0 g / 178.1 N
11 mm
100%
 18.16 kg / 40.04 pounds
18160.0 g / 178.1 N
12 mm
100%
 18.16 kg / 40.04 pounds
18160.0 g / 178.1 N
A too thin steel is not enough to focus the entire magnetic field, which wastes potential of the magnet. Should you mount a strong magnet to a weak sheet, the magnetism will pass right through and the attraction force will be weaker. To achieve full efficiency of this neodymium's potential, you need a suitably thick element of steel. The saturation effect means that on delicate walls (e.g., appliance housings), the magnet shows lower pull force. We suggest choosing the steel cross-section from these parameters.

Table 5: Working in heat (material behavior) - power drop
MPL 60x10x5 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 18.16 kg / 40.04 pounds
18160.0 g / 178.1 N
 OK
40 °C -2.2% 17.76 kg / 39.16 pounds
17760.5 g / 174.2 N
 OK
60 °C -4.4% 17.36 kg / 38.27 pounds
17361.0 g / 170.3 N
80 °C -6.6% 16.96 kg / 37.39 pounds
16961.4 g / 166.4 N
100 °C -28.8% 12.93 kg / 28.51 pounds
12929.9 g / 126.8 N
Classic neodymiums irreversibly lose power past the thermal threshold. Watch out for overheating – high temperature can permanently demagnetize this magnet. With increasing heat, the neodymium's capacity briefly drops. Do not use this magnet close to ovens higher than its safe range. Ignoring the limit will cause destruction of magnetic properties.
*Important note: Temperature resistance depends not only on the material grade, as well as the dimension ratios. Flat magnets (low permeance coefficient) risk losing magnetic properties under lower heat stress than long magnets. Warning indicator in the table signals permanent field degradation for this specific geometry.

Table 6: Two magnets (repulsion) - field range
MPL 60x10x5 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Lateral Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 36.69 kg / 80.89 pounds
4 464 Gs
5.50 kg / 12.13 pounds
5503 g / 54.0 N
 N/A
1 mm 32.13 kg / 70.84 pounds
5 895 Gs
4.82 kg / 10.63 pounds
4820 g / 47.3 N
 28.92 kg / 63.76 pounds
~0 Gs
2 mm 27.59 kg / 60.83 pounds
5 463 Gs
4.14 kg / 9.13 pounds
4139 g / 40.6 N
 24.83 kg / 54.75 pounds
~0 Gs
3 mm 23.37 kg / 51.53 pounds
5 027 Gs
3.51 kg / 7.73 pounds
3506 g / 34.4 N
 21.03 kg / 46.37 pounds
~0 Gs
5 mm 16.31 kg / 35.97 pounds
4 200 Gs
2.45 kg / 5.39 pounds
2447 g / 24.0 N
 14.68 kg / 32.37 pounds
~0 Gs
10 mm 6.42 kg / 14.15 pounds
2 635 Gs
0.96 kg / 2.12 pounds
963 g / 9.4 N
 5.78 kg / 12.74 pounds
~0 Gs
20 mm 1.32 kg / 2.91 pounds
1 195 Gs
0.20 kg / 0.44 pounds
198 g / 1.9 N
 1.19 kg / 2.62 pounds
~0 Gs
50 mm 0.07 kg / 0.15 pounds
274 Gs
0.01 kg / 0.02 pounds
10 g / 0.1 N
 0.06 kg / 0.14 pounds
~0 Gs
60 mm 0.03 kg / 0.08 pounds
192 Gs
0.01 kg / 0.01 pounds
5 g / 0.1 N
 0.03 kg / 0.07 pounds
~0 Gs
70 mm 0.02 kg / 0.04 pounds
140 Gs
0.00 kg / 0.01 pounds
3 g / 0.0 N
 0.02 kg / 0.04 pounds
~0 Gs
80 mm 0.01 kg / 0.02 pounds
104 Gs
0.00 kg / 0.00 pounds
2 g / 0.0 N
 0.01 kg / 0.02 pounds
~0 Gs
90 mm 0.01 kg / 0.01 pounds
80 Gs
0.00 kg / 0.00 pounds
1 g / 0.0 N
 0.00 kg / 0.00 pounds
~0 Gs
100 mm 0.00 kg / 0.01 pounds
62 Gs
0.00 kg / 0.00 pounds
1 g / 0.0 N
 0.00 kg / 0.00 pounds
~0 Gs
Two magnets interact from a much further distance than a magnet and sheet combination. The setup of two magnets generates a stronger field and a larger range of operation. Designing a strong closure? Use a pair of magnets instead of one magnet and a striker plate. Remember that when bringing together two magnets, the impact force is huge. The repulsion force is a bit weaker than the attraction, but still significant.
*The magnetic induction for N-N configuration drops to ~0 Gs at the midpoint of the gap (due to field cancellation).
Note: Figures refer to shear force of a pair of matching magnets (friction ~0.15 for Ni-Ni plating).

Table 7: Protective zones (electronics) - precautionary measures
MPL 60x10x5 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 10.5 cm
Hearing aid 10 Gs (1.0 mT) 8.0 cm
Timepiece 20 Gs (2.0 mT) 6.0 cm
Phone / Smartphone 40 Gs (4.0 mT) 4.5 cm
Car key 50 Gs (5.0 mT) 4.5 cm
Payment card 400 Gs (40.0 mT) 1.5 cm
HDD hard drive 600 Gs (60.0 mT) 1.0 cm
A strong magnetic field poses a serious hazard to electronic devices and medical implants. These neodymiums produce a flux that destroys function of digital equipment. Remember: the invisible magnetic field acts through matter and glass. Exceptional care must be exercised by people with hearing aids and insulin pumps. The risk also applies to: automatic timepieces, car keys, speakers, and screens. Do not bring the product near payment cards, HDD media, or sensitive navigation tools.

Table 8: Impact energy (kinetic energy) - collision effects
MPL 60x10x5 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 29.29 km/h
(8.14 m/s)
 0.74 J
30 mm 49.65 km/h
(13.79 m/s)
 2.14 J
50 mm 64.07 km/h
(17.80 m/s)
 3.56 J
100 mm 90.60 km/h
(25.17 m/s)
 7.13 J
Neodymium magnets are delicate – a strong collision with metal causes immediate chipping. Control the attraction moment – a neodymium left loose becomes dangerous. Kinetic force can trigger coating fragments or dangerous crushing to fingers. Always hold the magnet during bringing near metal so it doesn't slam with momentum against the steel surface. A collision at high speed ends with a crack of the neodymium. Wear safety glasses when handling with powerful specimens.

Table 9: Corrosion resistance
MPL 60x10x5 / 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)
The SST (salt spray test) is an industry standard for determining coating lifespan in harsh conditions. Moisture resistance is crucial for installations in bathrooms or outdoors.

Table 10: Construction data (Pc)
MPL 60x10x5 / N38

Parameter Value SI Unit / Description
Magnetic Flux 14 969 Mx 149.7 µWb
Pc Coefficient 0.26 Low (Flat)
Total magnetic flux passing through the magnet pole. Key data for generator designers as well as sensors. Pc value determines the magnet's operating point.

Table 11: Physics of underwater searching
MPL 60x10x5 / N38

Environment Effective steel pull Effect
Air (land) 18.16 kg Standard
Water (riverbed) 20.79 kg
(+2.63 kg buoyancy gain)
+14.5%
Rust risk: Remember to wipe the magnet thoroughly after removing it from water and apply a protective layer (e.g., oil) to avoid corrosion.
The magnetic field penetrates through water without any losses. However, remember the water resistance when pulling the rope quickly.
1. Shear force

*Caution: On a vertical wall, the magnet retains merely a fraction of its max power.

2. Steel saturation

*Thin steel (e.g. 0.5mm PC case) severely limits the holding force.

3. Power loss vs temp

*For N38 grade, the critical limit is 80°C.

4. Demagnetization curve and operating point (B-H)

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.26

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.

Technical and environmental data
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
Safety card (GPSR)
responsible entity
Dhit sp. z o.o.
ul. Kościuszki 6A, 05-850 Ożarów Mazowiecki
tel: +48 22 499 98 98 | e-mail: bok@dhit.pl
batch number/type
id: 020474-2026
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Component MPL 60x10x5 / N38 features a low profile and professional pulling force, making it an ideal solution for building separators and machines. This rectangular block with a force of 178.10 N is ready for shipment in 24h, allowing for rapid realization of your project. The durable anti-corrosion layer ensures a long lifespan in a dry environment, protecting the core from oxidation.
The key to success is shifting the magnets along their largest connection plane (using e.g., the edge of a table), which is easier than trying to tear them apart directly. Watch your fingers! Magnets with a force of 18.16 kg can pinch very hard and cause hematomas. Never use metal tools for prying, as the brittle NdFeB material may chip and damage your eyes.
Plate magnets MPL 60x10x5 / N38 are the foundation for many industrial devices, such as magnetic separators and linear motors. Thanks to the flat surface and high force (approx. 18.16 kg), they are ideal as closers in furniture making and mounting elements in automation. Customers often choose this model for hanging tools on strips and for advanced DIY and modeling projects, where precision and power count.
Cyanoacrylate glues (super glue type) are good only for small magnets; for larger plates, we recommend resins. For lighter applications or mounting on smooth surfaces, branded foam tape (e.g., 3M VHB) will work, provided the surface is perfectly degreased. Avoid chemically aggressive glues or hot glue, which can demagnetize neodymium (above 80°C).
Standardly, the MPL 60x10x5 / N38 model is magnetized axially (dimension 5 mm), which means that the N and S poles are located on its largest, flat surfaces. In practice, this means that this magnet has the greatest attraction force on its main planes (60x10 mm), which is ideal for flat mounting. Such a pole arrangement ensures maximum holding capacity when pressing against the sheet, creating a closed magnetic circuit.
The presented product is a neodymium magnet with precisely defined parameters: 60 mm (length), 10 mm (width), and 5 mm (thickness). The key parameter here is the holding force amounting to approximately 18.16 kg (force ~178.10 N), which, with such a compact shape, proves the high power of the material. The protective [NiCuNi] coating secures the magnet against corrosion.

Pros as well as cons of neodymium magnets.

Benefits

In addition to their magnetic capacity, neodymium magnets provide the following advantages:
  • They have constant strength, and over more than ten years their performance decreases symbolically – ~1% (in testing),
  • They are resistant to demagnetization induced by external field influence,
  • In other words, due to the aesthetic finish of silver, the element gains visual value,
  • Magnets exhibit impressive magnetic induction on the active area,
  • Through (adequate) combination of ingredients, they can achieve high thermal strength, enabling operation at temperatures approaching 230°C and above...
  • Thanks to modularity in constructing and the ability to modify to complex applications,
  • Huge importance in advanced technology sectors – they are utilized in HDD drives, electric motors, medical equipment, also industrial machines.
  • Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in tiny dimensions, which makes them useful in small systems

Cons

Cons of neodymium magnets: application proposals
  • To avoid cracks under impact, we recommend using special steel holders. Such a solution secures the magnet and simultaneously improves its durability.
  • Neodymium magnets lose their strength 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
  • They rust in a humid environment. For use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
  • Limited ability of producing threads in the magnet and complex forms - preferred is casing - mounting mechanism.
  • Health risk to health – tiny shards of magnets can be dangerous, if swallowed, which gains importance in the context of child safety. It is also worth noting that small elements of these devices are able to complicate diagnosis medical when they are in the body.
  • Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Lifting parameters

Magnetic strength at its maximum – what contributes to it?

The specified lifting capacity concerns the maximum value, measured under laboratory conditions, namely:
  • using a base made of low-carbon steel, serving as a circuit closing element
  • with a thickness minimum 10 mm
  • with a plane free of scratches
  • without any clearance between the magnet and steel
  • under axial force vector (90-degree angle)
  • at conditions approx. 20°C

Key elements affecting lifting force

Please note that the application force may be lower influenced by the following factors, starting with the most relevant:
  • Distance (betwixt the magnet and the plate), as even a microscopic distance (e.g. 0.5 mm) results in a reduction in lifting capacity by up to 50% (this also applies to varnish, corrosion or debris).
  • Angle of force application – highest force is available only during pulling at a 90° angle. The shear force of the magnet along the plate is usually several times smaller (approx. 1/5 of the lifting capacity).
  • Element thickness – for full efficiency, the steel must be sufficiently thick. Thin sheet limits the attraction force (the magnet "punches through" it).
  • Material type – the best choice is pure iron steel. Cast iron may attract less.
  • Plate texture – smooth surfaces guarantee perfect abutment, which improves force. Rough surfaces reduce efficiency.
  • Temperature influence – hot environment weakens pulling force. Too high temperature can permanently damage the magnet.

Holding force was tested on a smooth steel plate of 20 mm thickness, when a perpendicular force was applied, whereas under shearing force the load capacity is reduced by as much as 75%. In addition, even a slight gap between the magnet and the plate lowers the holding force.

Safe handling of NdFeB magnets
Handling rules

Handle with care. Rare earth magnets attract from a long distance and connect with huge force, often quicker than you can react.

Pacemakers

Life threat: Strong magnets can deactivate heart devices and defibrillators. Stay away if you have medical devices.

Material brittleness

NdFeB magnets are sintered ceramics, meaning they are fragile like glass. Impact of two magnets leads to them shattering into shards.

Crushing risk

Danger of trauma: The attraction force is so great that it can cause blood blisters, pinching, and even bone fractures. Protective gloves are recommended.

Product not for children

Strictly store magnets away from children. Risk of swallowing is significant, and the consequences of magnets connecting inside the body are very dangerous.

Sensitization to coating

Some people have a hypersensitivity to nickel, which is the standard coating for neodymium magnets. Prolonged contact may cause dermatitis. It is best to wear safety gloves.

Protect data

Do not bring magnets close to a wallet, computer, or TV. The magnetism can destroy these devices and erase data from cards.

Mechanical processing

Powder produced during cutting of magnets is self-igniting. Avoid drilling into magnets unless you are an expert.

Power loss in heat

Watch the temperature. Exposing the magnet above 80 degrees Celsius will ruin its properties and pulling force.

Precision electronics

Be aware: neodymium magnets produce a field that confuses precision electronics. Keep a separation from your mobile, device, and GPS.

Safety First! Details about risks in the article: Safety of working with magnets.