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MPL 60x20x10 / N38 - lamellar magnet

lamellar magnet

Catalog no 020174

GTIN/EAN: 5906301811800

5.00

length

60 mm [±0,1 mm]

Width

20 mm [±0,1 mm]

Height

10 mm [±0,1 mm]

Weight

90 g

Magnetization Direction

↑ axial

Load capacity

35.61 kg / 349.34 N

Magnetic Induction

329.64 mT / 3296 Gs

Coating

[NiCuNi] Nickel

68.27 with VAT / pcs + price for transport

55.50 ZŁ net + 23% VAT / pcs

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Detailed specification - MPL 60x20x10 / N38 - lamellar magnet

Specification / characteristics - MPL 60x20x10 / N38 - lamellar magnet

properties
properties values
Cat. no. 020174
GTIN/EAN 5906301811800
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 20 mm [±0,1 mm]
Height 10 mm [±0,1 mm]
Weight 90 g
Magnetization Direction ↑ axial
Load capacity ~ ? 35.61 kg / 349.34 N
Magnetic Induction ~ ? 329.64 mT / 3296 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 60x20x10 / 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 modeling of the assembly - data

Presented values represent the outcome of a mathematical simulation. Values are based on algorithms for the material Nd2Fe14B. Actual parameters might slightly differ from theoretical values. Please consider these data as a supplementary guide when designing systems.

Table 1: Static pull force (pull vs distance) - interaction chart
MPL 60x20x10 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 3296 Gs
329.6 mT
35.61 kg / 78.51 pounds
35610.0 g / 349.3 N
dangerous!
1 mm 3087 Gs
308.7 mT
31.25 kg / 68.89 pounds
31248.2 g / 306.5 N
dangerous!
2 mm 2866 Gs
286.6 mT
26.93 kg / 59.37 pounds
26929.3 g / 264.2 N
dangerous!
3 mm 2643 Gs
264.3 mT
22.90 kg / 50.48 pounds
22895.5 g / 224.6 N
dangerous!
5 mm 2216 Gs
221.6 mT
16.10 kg / 35.50 pounds
16103.3 g / 158.0 N
dangerous!
10 mm 1397 Gs
139.7 mT
6.40 kg / 14.11 pounds
6402.3 g / 62.8 N
warning
15 mm 907 Gs
90.7 mT
2.70 kg / 5.95 pounds
2697.7 g / 26.5 N
warning
20 mm 615 Gs
61.5 mT
1.24 kg / 2.73 pounds
1239.2 g / 12.2 N
weak grip
30 mm 314 Gs
31.4 mT
0.32 kg / 0.71 pounds
322.6 g / 3.2 N
weak grip
50 mm 108 Gs
10.8 mT
0.04 kg / 0.09 pounds
38.6 g / 0.4 N
weak grip

Table 2: Vertical hold (vertical surface)
MPL 60x20x10 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 7.12 kg / 15.70 pounds
7122.0 g / 69.9 N
1 mm Stal (~0.2) 6.25 kg / 13.78 pounds
6250.0 g / 61.3 N
2 mm Stal (~0.2) 5.39 kg / 11.87 pounds
5386.0 g / 52.8 N
3 mm Stal (~0.2) 4.58 kg / 10.10 pounds
4580.0 g / 44.9 N
5 mm Stal (~0.2) 3.22 kg / 7.10 pounds
3220.0 g / 31.6 N
10 mm Stal (~0.2) 1.28 kg / 2.82 pounds
1280.0 g / 12.6 N
15 mm Stal (~0.2) 0.54 kg / 1.19 pounds
540.0 g / 5.3 N
20 mm Stal (~0.2) 0.25 kg / 0.55 pounds
248.0 g / 2.4 N
30 mm Stal (~0.2) 0.06 kg / 0.14 pounds
64.0 g / 0.6 N
50 mm Stal (~0.2) 0.01 kg / 0.02 pounds
8.0 g / 0.1 N

Table 3: Vertical assembly (sliding) - vertical pull
MPL 60x20x10 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
10.68 kg / 23.55 pounds
10683.0 g / 104.8 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
7.12 kg / 15.70 pounds
7122.0 g / 69.9 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
3.56 kg / 7.85 pounds
3561.0 g / 34.9 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
17.81 kg / 39.25 pounds
17805.0 g / 174.7 N

Table 4: Steel thickness (substrate influence) - sheet metal selection
MPL 60x20x10 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
5%
1.78 kg / 3.93 pounds
1780.5 g / 17.5 N
1 mm
13%
4.45 kg / 9.81 pounds
4451.3 g / 43.7 N
2 mm
25%
8.90 kg / 19.63 pounds
8902.5 g / 87.3 N
3 mm
38%
13.35 kg / 29.44 pounds
13353.8 g / 131.0 N
5 mm
63%
22.26 kg / 49.07 pounds
22256.3 g / 218.3 N
10 mm
100%
35.61 kg / 78.51 pounds
35610.0 g / 349.3 N
11 mm
100%
35.61 kg / 78.51 pounds
35610.0 g / 349.3 N
12 mm
100%
35.61 kg / 78.51 pounds
35610.0 g / 349.3 N

Table 5: Working in heat (material behavior) - thermal limit
MPL 60x20x10 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 35.61 kg / 78.51 pounds
35610.0 g / 349.3 N
OK
40 °C -2.2% 34.83 kg / 76.78 pounds
34826.6 g / 341.6 N
OK
60 °C -4.4% 34.04 kg / 75.05 pounds
34043.2 g / 334.0 N
80 °C -6.6% 33.26 kg / 73.33 pounds
33259.7 g / 326.3 N
100 °C -28.8% 25.35 kg / 55.90 pounds
25354.3 g / 248.7 N

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MPL 60x20x10 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Sliding Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 80.35 kg / 177.15 pounds
4 692 Gs
12.05 kg / 26.57 pounds
12053 g / 118.2 N
N/A
1 mm 75.49 kg / 166.43 pounds
6 389 Gs
11.32 kg / 24.96 pounds
11324 g / 111.1 N
67.94 kg / 149.79 pounds
~0 Gs
2 mm 70.51 kg / 155.45 pounds
6 174 Gs
10.58 kg / 23.32 pounds
10577 g / 103.8 N
63.46 kg / 139.90 pounds
~0 Gs
3 mm 65.58 kg / 144.58 pounds
5 955 Gs
9.84 kg / 21.69 pounds
9837 g / 96.5 N
59.02 kg / 130.12 pounds
~0 Gs
5 mm 56.11 kg / 123.71 pounds
5 508 Gs
8.42 kg / 18.56 pounds
8417 g / 82.6 N
50.50 kg / 111.34 pounds
~0 Gs
10 mm 36.34 kg / 80.11 pounds
4 432 Gs
5.45 kg / 12.02 pounds
5450 g / 53.5 N
32.70 kg / 72.10 pounds
~0 Gs
20 mm 14.45 kg / 31.85 pounds
2 795 Gs
2.17 kg / 4.78 pounds
2167 g / 21.3 N
13.00 kg / 28.66 pounds
~0 Gs
50 mm 1.38 kg / 3.05 pounds
865 Gs
0.21 kg / 0.46 pounds
208 g / 2.0 N
1.25 kg / 2.75 pounds
~0 Gs
60 mm 0.73 kg / 1.60 pounds
627 Gs
0.11 kg / 0.24 pounds
109 g / 1.1 N
0.66 kg / 1.44 pounds
~0 Gs
70 mm 0.40 kg / 0.89 pounds
467 Gs
0.06 kg / 0.13 pounds
60 g / 0.6 N
0.36 kg / 0.80 pounds
~0 Gs
80 mm 0.23 kg / 0.51 pounds
355 Gs
0.03 kg / 0.08 pounds
35 g / 0.3 N
0.21 kg / 0.46 pounds
~0 Gs
90 mm 0.14 kg / 0.31 pounds
275 Gs
0.02 kg / 0.05 pounds
21 g / 0.2 N
0.13 kg / 0.28 pounds
~0 Gs
100 mm 0.09 kg / 0.19 pounds
217 Gs
0.01 kg / 0.03 pounds
13 g / 0.1 N
0.08 kg / 0.17 pounds
~0 Gs

Table 7: Protective zones (electronics) - precautionary measures
MPL 60x20x10 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 16.5 cm
Hearing aid 10 Gs (1.0 mT) 13.0 cm
Mechanical watch 20 Gs (2.0 mT) 10.0 cm
Mobile device 40 Gs (4.0 mT) 8.0 cm
Remote 50 Gs (5.0 mT) 7.0 cm
Payment card 400 Gs (40.0 mT) 3.0 cm
HDD hard drive 600 Gs (60.0 mT) 2.5 cm

Table 8: Dynamics (kinetic energy) - warning
MPL 60x20x10 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 22.20 km/h
(6.17 m/s)
1.71 J
30 mm 34.94 km/h
(9.71 m/s)
4.24 J
50 mm 44.89 km/h
(12.47 m/s)
7.00 J
100 mm 63.44 km/h
(17.62 m/s)
13.97 J

Table 9: Coating parameters (durability)
MPL 60x20x10 / 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 (Pc)
MPL 60x20x10 / N38

Parameter Value SI Unit / Description
Magnetic Flux 37 480 Mx 374.8 µWb
Pc Coefficient 0.35 Low (Flat)

Table 11: Underwater work (magnet fishing)
MPL 60x20x10 / N38

Environment Effective steel pull Effect
Air (land) 35.61 kg Standard
Water (riverbed) 40.77 kg
(+5.16 kg buoyancy gain)
+14.5%
Warning: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.
1. Shear force

*Warning: On a vertical surface, the magnet holds just ~20% of its nominal pull.

2. Steel saturation

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

3. Thermal stability

*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) = 0.35

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 specification and ecology
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%
Environmental data
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: 020174-2026
Measurement Calculator
Magnet pull force

Magnetic Field

Check out more proposals

Component MPL 60x20x10 / N38 features a low profile and professional pulling force, making it an ideal solution for building separators and machines. As a magnetic bar with high power (approx. 35.61 kg), this product is available off-the-shelf from our warehouse in Poland. Furthermore, its Ni-Cu-Ni coating protects it against corrosion in standard operating conditions, giving it an aesthetic appearance.
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 35.61 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.
They constitute a key element in the production of generators and material handling systems. Thanks to the flat surface and high force (approx. 35.61 kg), they are ideal as closers in furniture making and mounting elements in automation. Their rectangular shape facilitates precise gluing into milled sockets in wood or plastic.
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 60x20x10 / N38 model is magnetized axially (dimension 10 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 (60x20 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.
This model is characterized by dimensions 60x20x10 mm, which, at a weight of 90 g, makes it an element with high energy density. The key parameter here is the lifting capacity amounting to approximately 35.61 kg (force ~349.34 N), which, with such a flat shape, proves the high grade of the material. The protective [NiCuNi] coating secures the magnet against corrosion.

Strengths as well as weaknesses of neodymium magnets.

Pros

Besides their immense strength, neodymium magnets offer the following advantages:
  • Their strength is durable, and after around 10 years it decreases only by ~1% (according to research),
  • They have excellent resistance to magnetism drop when exposed to opposing magnetic fields,
  • In other words, due to the glossy layer of silver, the element looks attractive,
  • Magnetic induction on the top side of the magnet turns out to be impressive,
  • Through (appropriate) combination of ingredients, they can achieve high thermal strength, enabling functioning at temperatures reaching 230°C and above...
  • Possibility of precise modeling and modifying to individual conditions,
  • Universal use in modern industrial fields – they serve a role in HDD drives, drive modules, 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 compact constructions

Weaknesses

What to avoid - cons of neodymium magnets and proposals for their use:
  • Susceptibility to cracking is one of their disadvantages. Upon strong impact they can break. We recommend keeping them in a strong case, which not only protects them against impacts but also increases their durability
  • When exposed to high temperature, neodymium magnets suffer a drop in force. Often, when the temperature exceeds 80°C, their power decreases (depending on the size, as well as shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
  • They oxidize in a humid environment. For use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
  • We suggest cover - magnetic mount, due to difficulties in producing threads inside the magnet and complex forms.
  • Health risk related to microscopic parts of magnets are risky, in case of ingestion, which is particularly important in the aspect of protecting the youngest. Additionally, small elements of these products are able to complicate diagnosis medical in case of swallowing.
  • Due to complex production process, their price is higher than average,

Holding force characteristics

Magnetic strength at its maximum – what affects it?

The declared magnet strength refers to the limit force, recorded under optimal environment, namely:
  • on a block made of mild steel, perfectly concentrating the magnetic field
  • whose thickness equals approx. 10 mm
  • with an polished touching surface
  • without the slightest insulating layer between the magnet and steel
  • during pulling in a direction perpendicular to the plane
  • in neutral thermal conditions

Magnet lifting force in use – key factors

Bear in mind that the working load will differ subject to the following factors, starting with the most relevant:
  • Space between magnet and steel – every millimeter of distance (caused e.g. by varnish or unevenness) diminishes the pulling force, often by half at just 0.5 mm.
  • Force direction – declared lifting capacity refers to pulling vertically. When applying parallel force, the magnet holds significantly lower power (often approx. 20-30% of maximum force).
  • Metal thickness – the thinner the sheet, the weaker the hold. Part of the magnetic field passes through the material instead of generating force.
  • Plate material – low-carbon steel gives the best results. Higher carbon content lower magnetic properties and lifting capacity.
  • Base smoothness – the smoother and more polished the plate, the larger the contact zone and higher the lifting capacity. Unevenness creates an air distance.
  • Thermal conditions – neodymium magnets have a sensitivity to temperature. When it is hot they are weaker, and at low temperatures gain strength (up to a certain limit).

Holding force was checked on a smooth steel plate of 20 mm thickness, when a perpendicular force was applied, whereas under shearing force the lifting capacity is smaller. Additionally, even a slight gap between the magnet’s surface and the plate decreases the holding force.

Warnings
Beware of splinters

Despite the nickel coating, the material is delicate and cannot withstand shocks. Do not hit, as the magnet may shatter into hazardous fragments.

Respect the power

Exercise caution. Rare earth magnets attract from a distance and snap with massive power, often quicker than you can move away.

Keep away from children

Neodymium magnets are not toys. Eating several magnets may result in them attracting across intestines, which poses a critical condition and requires immediate surgery.

Data carriers

Avoid bringing magnets near a purse, laptop, or TV. The magnetism can permanently damage these devices and erase data from cards.

Power loss in heat

Do not overheat. NdFeB magnets are susceptible to heat. If you need resistance above 80°C, inquire about HT versions (H, SH, UH).

Physical harm

Large magnets can smash fingers instantly. Never put your hand betwixt two attracting surfaces.

Threat to navigation

Note: neodymium magnets produce a field that disrupts precision electronics. Keep a separation from your mobile, tablet, and GPS.

Allergic reactions

Nickel alert: The nickel-copper-nickel coating consists of nickel. If an allergic reaction appears, cease handling magnets and wear gloves.

Fire risk

Combustion risk: Neodymium dust is explosive. Do not process magnets without safety gear as this risks ignition.

Danger to pacemakers

Life threat: Strong magnets can turn off pacemakers and defibrillators. Stay away if you have electronic implants.

Important! Learn more about hazards in the article: Safety of working with magnets.
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98