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MPL 60x20x10 / N38 - lamellar magnet

lamellar magnet

Catalog no 020174

GTIN/EAN: 5906301811800

5.00
Load capacity 35.61 kg / 349.34 N Magnetic Induction 329.64 mT / 3296 Gs
length
60 mm [±0,1 mm]
Width
20 mm [±0,1 mm]
Height
10 mm [±0,1 mm]
Weight
90 g
Magnetization Direction
↑ axial
Coating
[NiCuNi] Nickel

How we measure these parameters — certificates and measurements

55.50net / pcs

68.27 zł with VAT (23% VAT) / pcs

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Quantity
Net
Gross
price from 1 pcs
55.50 zł
68.27 zł
price from 20 pcs
52.17 zł
64.17 zł
price from 50 pcs
48.84 zł
60.07 zł

Frequently asked questions

How much will a block magnet really hold?
The catalogue force is measured in full contact with smooth steel at least 10 mm thick, pulled perpendicular, at about 20 °C. On 1 mm sheet about 50% of that value remains, on 0.5 mm about 25%. Mounted on a vertical wall the realistic figure is 20–30%, because the load is then in shear rather than in tension.
What is the maximum working temperature?
Standard N-series grades up to 80 °C, and N50, N52 and N54 up to 60 °C. Above the maximum working temperature the loss stops being reversible. The Curie temperature, at which magnetic properties are lost completely, is about 310 °C.
What safety factor should I allow?
At least twice the mass of the item, and three to five times for vertical mounting. The margin covers sheet thickness, surface condition, any layer of paint or rust, and vibration.

Engineering report for this magnet

Full PDF analysis: pull and shear force, effect of distance, temperature and plate thickness, safety distances and the demagnetization curve.

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Specifications and structure of a neodymium magnet can be estimated using our power calculator.

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Product card - 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 310 °C
Curie Temperature TF 590 °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 modeling of the assembly - report

The following values represent the outcome of a mathematical analysis. Values rely on algorithms for the class Nd2Fe14B. Actual conditions may deviate from the simulation results. Use these calculations as a supplementary guide when designing systems.

Table 1: Static pull force (force 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 lbs
35610.0 g / 349.3 N
crushing
1 mm 3087 Gs
308.7 mT
31.25 kg / 68.89 lbs
31248.2 g / 306.5 N
crushing
2 mm 2866 Gs
286.6 mT
26.93 kg / 59.37 lbs
26929.3 g / 264.2 N
crushing
3 mm 2643 Gs
264.3 mT
22.90 kg / 50.48 lbs
22895.5 g / 224.6 N
crushing
5 mm 2216 Gs
221.6 mT
16.10 kg / 35.50 lbs
16103.3 g / 158.0 N
crushing
10 mm 1397 Gs
139.7 mT
6.40 kg / 14.11 lbs
6402.3 g / 62.8 N
strong
15 mm 907 Gs
90.7 mT
2.70 kg / 5.95 lbs
2697.7 g / 26.5 N
strong
20 mm 615 Gs
61.5 mT
1.24 kg / 2.73 lbs
1239.2 g / 12.2 N
low risk
30 mm 314 Gs
31.4 mT
0.32 kg / 0.71 lbs
322.6 g / 3.2 N
low risk
50 mm 108 Gs
10.8 mT
0.04 kg / 0.09 lbs
38.6 g / 0.4 N
low risk

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

Table 3: Wall mounting (shearing) - 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 lbs
10683.0 g / 104.8 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
7.12 kg / 15.70 lbs
7122.0 g / 69.9 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
3.56 kg / 7.85 lbs
3561.0 g / 34.9 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
17.81 kg / 39.25 lbs
17805.0 g / 174.7 N

Table 4: Material efficiency (substrate influence) - power losses
MPL 60x20x10 / N38

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

Table 5: Working in heat (stability) - power drop
MPL 60x20x10 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 35.61 kg / 78.51 lbs
35610.0 g / 349.3 N
OK
40 °C -2.2% 34.83 kg / 76.78 lbs
34826.6 g / 341.6 N
OK
60 °C -4.4% 34.04 kg / 75.05 lbs
34043.2 g / 334.0 N
80 °C -6.6% 33.26 kg / 73.33 lbs
33259.7 g / 326.3 N
100 °C -28.8% 25.35 kg / 55.90 lbs
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) Shear Strength (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 80.35 kg / 177.15 lbs
4 692 Gs
12.05 kg / 26.57 lbs
12053 g / 118.2 N
N/A
1 mm 75.49 kg / 166.43 lbs
6 389 Gs
11.32 kg / 24.96 lbs
11324 g / 111.1 N
67.94 kg / 149.79 lbs
~0 Gs
2 mm 70.51 kg / 155.45 lbs
6 174 Gs
10.58 kg / 23.32 lbs
10577 g / 103.8 N
63.46 kg / 139.90 lbs
~0 Gs
3 mm 65.58 kg / 144.58 lbs
5 955 Gs
9.84 kg / 21.69 lbs
9837 g / 96.5 N
59.02 kg / 130.12 lbs
~0 Gs
5 mm 56.11 kg / 123.71 lbs
5 508 Gs
8.42 kg / 18.56 lbs
8417 g / 82.6 N
50.50 kg / 111.34 lbs
~0 Gs
10 mm 36.34 kg / 80.11 lbs
4 432 Gs
5.45 kg / 12.02 lbs
5450 g / 53.5 N
32.70 kg / 72.10 lbs
~0 Gs
20 mm 14.45 kg / 31.85 lbs
2 795 Gs
2.17 kg / 4.78 lbs
2167 g / 21.3 N
13.00 kg / 28.66 lbs
~0 Gs
50 mm 1.38 kg / 3.05 lbs
865 Gs
0.21 kg / 0.46 lbs
208 g / 2.0 N
1.25 kg / 2.75 lbs
~0 Gs
60 mm 0.73 kg / 1.60 lbs
627 Gs
0.11 kg / 0.24 lbs
109 g / 1.1 N
0.66 kg / 1.44 lbs
~0 Gs
70 mm 0.40 kg / 0.89 lbs
467 Gs
0.06 kg / 0.13 lbs
60 g / 0.6 N
0.36 kg / 0.80 lbs
~0 Gs
80 mm 0.23 kg / 0.51 lbs
355 Gs
0.03 kg / 0.08 lbs
35 g / 0.3 N
0.21 kg / 0.46 lbs
~0 Gs
90 mm 0.14 kg / 0.31 lbs
275 Gs
0.02 kg / 0.05 lbs
21 g / 0.2 N
0.13 kg / 0.28 lbs
~0 Gs
100 mm 0.09 kg / 0.19 lbs
217 Gs
0.01 kg / 0.03 lbs
13 g / 0.1 N
0.08 kg / 0.17 lbs
~0 Gs

Table 7: Protective zones (implants) - 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
Timepiece 20 Gs (2.0 mT) 10.0 cm
Phone / Smartphone 40 Gs (4.0 mT) 8.0 cm
Car key 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: Impact energy (kinetic energy) - warning
MPL 60x20x10 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 22.47 km/h
(6.24 m/s)
1.75 J
30 mm 24.71 km/h
(6.86 m/s)
2.12 J
50 mm 24.85 km/h
(6.90 m/s)
2.14 J
100 mm 24.88 km/h
(6.91 m/s)
2.15 J

Table 9: Anti-corrosion coating 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 (Flux)
MPL 60x20x10 / N38

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

Table 11: Physics of underwater searching
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%
Rust risk: This magnet has a standard nickel coating. After use in water, it must be dried and maintained immediately, otherwise it will rust!

1. Vertical hold

*Note: On a vertical surface, the magnet retains only ~20% of its max power.

2. Plate thickness effect

*Thin metal sheet (e.g. computer case) drastically weakens 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) = 0.35

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%

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: 020174-2026
Quick Unit Converter

Force (pull)


Magnetic Field

Other proposals

Component MPL 60x20x10 / N38 features a flat shape and professional pulling force, making it an ideal solution for building separators and machines. As a block magnet with high power (approx. 35.61 kg), this product is available off-the-shelf from our warehouse in Poland. The durable anti-corrosion layer ensures a long lifespan in a dry environment, protecting the core from oxidation.
The key to success is sliding 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.
Plate magnets MPL 60x20x10 / N38 are the foundation for many industrial devices, such as magnetic separators and linear motors. They work great as invisible mounts under tiles, wood, or glass. Customers often choose this model for hanging tools on strips and for advanced DIY and modeling projects, where precision and power count.
For mounting flat magnets MPL 60x20x10 / N38, it is best to use strong epoxy glues (e.g., UHU Endfest, Distal), which ensure a durable bond with metal or plastic. 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 through the thickness (dimension 10 mm), which means that the N and S poles are located on its largest, flat surfaces. Thanks to this, it works best when "sticking" to sheet metal or another magnet with a large surface area. 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), 20 mm (width), and 10 mm (thickness). The key parameter here is the holding force amounting to approximately 35.61 kg (force ~349.34 N), which, with such a compact shape, proves the high power of the material. The product meets the standards for N38 grade magnets.

Pros and cons of neodymium magnets.

Advantages

Besides their stability, neodymium magnets are valued for these benefits:
  • They have constant strength, and over around ten years their attraction force decreases symbolically – ~1% (in testing),
  • Magnets effectively defend themselves against demagnetization caused by ambient magnetic noise,
  • A magnet with a shiny silver surface is more attractive,
  • Magnetic induction on the working layer of the magnet turns out to be exceptional,
  • Neodymium magnets are characterized by very 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...
  • Considering the possibility of accurate shaping and adaptation to individualized projects, magnetic components can be modeled in a variety of shapes and sizes, which expands the range of possible applications,
  • Significant place in electronics industry – they serve a role in computer drives, electric motors, precision medical tools, and modern systems.
  • Thanks to concentrated force, small magnets offer high operating force, in miniature format,

Weaknesses

What to avoid - cons of neodymium magnets and ways of using them
  • At very strong impacts they can crack, therefore we recommend placing them in steel cases. A metal housing provides additional protection against damage, as well as increases the magnet's 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 stability even at temperatures up to 230°C
  • Due to the susceptibility of magnets to corrosion in a humid environment, we recommend using waterproof magnets made of rubber, plastic or other material immune to moisture, in case of application outdoors
  • We recommend a housing - magnetic mechanism, due to difficulties in realizing nuts inside the magnet and complex forms.
  • Possible danger related to microscopic parts of magnets are risky, if swallowed, which is particularly important in the context of child health protection. It is also worth noting that tiny parts of these devices can be problematic in diagnostics medical in case of swallowing.
  • Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Pull force analysis

Maximum lifting force for a neodymium magnet – what it depends on?

The specified lifting capacity refers to the peak performance, measured under ideal test conditions, specifically:
  • using a sheet made of mild steel, acting as a ideal flux conductor
  • whose transverse dimension equals approx. 10 mm
  • characterized by even structure
  • without any clearance between the magnet and steel
  • under perpendicular force direction (90-degree angle)
  • at conditions approx. 20°C

Lifting capacity in real conditions – factors

Please note that the magnet holding may be lower subject to elements below, starting with the most relevant:
  • Clearance – existence of any layer (rust, dirt, gap) interrupts the magnetic circuit, which lowers power rapidly (even by 50% at 0.5 mm).
  • Force direction – declared lifting capacity refers to pulling vertically. When applying parallel force, the magnet exhibits significantly lower power (typically approx. 20-30% of nominal force).
  • Element thickness – to utilize 100% power, the steel must be adequately massive. Thin sheet limits the attraction force (the magnet "punches through" it).
  • Metal type – not every steel reacts the same. High carbon content weaken the interaction with the magnet.
  • Surface finish – full contact is possible only on smooth steel. Rough texture reduce the real contact area, reducing force.
  • Operating temperature – neodymium magnets have a sensitivity to temperature. At higher temperatures they lose power, and in frost they can be stronger (up to a certain limit).

Lifting capacity testing was conducted on plates with a smooth surface of suitable thickness, under a perpendicular pulling force, whereas under shearing force the holding force is lower. Moreover, even a minimal clearance between the magnet and the plate reduces the load capacity.

Safe handling of NdFeB magnets
Medical interference

For implant holders: Strong magnetic fields affect medical devices. Maintain minimum 30 cm distance or ask another person to handle the magnets.

Conscious usage

Before starting, read the rules. Sudden snapping can break the magnet or injure your hand. Think ahead.

Risk of cracking

Beware of splinters. Magnets can explode upon uncontrolled impact, ejecting shards into the air. We recommend safety glasses.

Sensitization to coating

Certain individuals experience a sensitization to nickel, which is the standard coating for NdFeB magnets. Frequent touching may cause a rash. We recommend wear protective gloves.

Bodily injuries

Big blocks can break fingers in a fraction of a second. Never put your hand between two strong magnets.

Compass and GPS

A strong magnetic field negatively affects the operation of magnetometers in smartphones and navigation systems. Maintain magnets near a device to prevent breaking the sensors.

Mechanical processing

Dust generated during grinding of magnets is flammable. Avoid drilling into magnets without proper cooling and knowledge.

Danger to the youngest

Strictly store magnets out of reach of children. Risk of swallowing is significant, and the effects of magnets connecting inside the body are life-threatening.

Demagnetization risk

Watch the temperature. Heating the magnet above 80 degrees Celsius will destroy its properties and strength.

Threat to electronics

Avoid bringing magnets close to a wallet, laptop, or screen. The magnetic field can permanently damage these devices and erase data from cards.

Caution! Looking for details? Check our post: Why are neodymium magnets dangerous?