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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

19.00 with VAT / pcs + price for transport

15.45 ZŁ net + 23% VAT / pcs

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Technical of the product - 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

Engineering simulation of the assembly - data

Presented values are the outcome of a engineering calculation. Results rely on algorithms for the material Nd2Fe14B. Operational conditions may differ from theoretical values. Treat these calculations as a preliminary roadmap when designing systems.

Table 1: Static force (force vs gap) - interaction chart
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 LBS
18160.0 g / 178.1 N
critical level
1 mm 2731 Gs
273.1 mT
13.66 kg / 30.11 LBS
13658.3 g / 134.0 N
critical level
2 mm 2302 Gs
230.2 mT
9.70 kg / 21.38 LBS
9698.4 g / 95.1 N
medium risk
3 mm 1912 Gs
191.2 mT
6.70 kg / 14.76 LBS
6696.5 g / 65.7 N
medium risk
5 mm 1317 Gs
131.7 mT
3.18 kg / 7.00 LBS
3176.9 g / 31.2 N
medium risk
10 mm 598 Gs
59.8 mT
0.65 kg / 1.44 LBS
653.8 g / 6.4 N
safe
15 mm 330 Gs
33.0 mT
0.20 kg / 0.44 LBS
199.2 g / 2.0 N
safe
20 mm 205 Gs
20.5 mT
0.08 kg / 0.17 LBS
77.0 g / 0.8 N
safe
30 mm 96 Gs
9.6 mT
0.02 kg / 0.04 LBS
16.9 g / 0.2 N
safe
50 mm 31 Gs
3.1 mT
0.00 kg / 0.00 LBS
1.8 g / 0.0 N
safe

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

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 3.63 kg / 8.01 LBS
3632.0 g / 35.6 N
1 mm Stal (~0.2) 2.73 kg / 6.02 LBS
2732.0 g / 26.8 N
2 mm Stal (~0.2) 1.94 kg / 4.28 LBS
1940.0 g / 19.0 N
3 mm Stal (~0.2) 1.34 kg / 2.95 LBS
1340.0 g / 13.1 N
5 mm Stal (~0.2) 0.64 kg / 1.40 LBS
636.0 g / 6.2 N
10 mm Stal (~0.2) 0.13 kg / 0.29 LBS
130.0 g / 1.3 N
15 mm Stal (~0.2) 0.04 kg / 0.09 LBS
40.0 g / 0.4 N
20 mm Stal (~0.2) 0.02 kg / 0.04 LBS
16.0 g / 0.2 N
30 mm Stal (~0.2) 0.00 kg / 0.01 LBS
4.0 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 (shearing) - behavior on slippery surfaces
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 LBS
5448.0 g / 53.4 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
3.63 kg / 8.01 LBS
3632.0 g / 35.6 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
1.82 kg / 4.00 LBS
1816.0 g / 17.8 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
9.08 kg / 20.02 LBS
9080.0 g / 89.1 N

Table 4: Material efficiency (saturation) - power losses
MPL 60x10x5 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
5%
0.91 kg / 2.00 LBS
908.0 g / 8.9 N
1 mm
13%
2.27 kg / 5.00 LBS
2270.0 g / 22.3 N
2 mm
25%
4.54 kg / 10.01 LBS
4540.0 g / 44.5 N
3 mm
38%
6.81 kg / 15.01 LBS
6810.0 g / 66.8 N
5 mm
63%
11.35 kg / 25.02 LBS
11350.0 g / 111.3 N
10 mm
100%
18.16 kg / 40.04 LBS
18160.0 g / 178.1 N
11 mm
100%
18.16 kg / 40.04 LBS
18160.0 g / 178.1 N
12 mm
100%
18.16 kg / 40.04 LBS
18160.0 g / 178.1 N

Table 5: Thermal resistance (stability) - 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 LBS
18160.0 g / 178.1 N
OK
40 °C -2.2% 17.76 kg / 39.16 LBS
17760.5 g / 174.2 N
OK
60 °C -4.4% 17.36 kg / 38.27 LBS
17361.0 g / 170.3 N
80 °C -6.6% 16.96 kg / 37.39 LBS
16961.4 g / 166.4 N
100 °C -28.8% 12.93 kg / 28.51 LBS
12929.9 g / 126.8 N

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

Gap (mm) Attraction (kg/lbs) (N-S) Shear Strength (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 36.69 kg / 80.89 LBS
4 464 Gs
5.50 kg / 12.13 LBS
5503 g / 54.0 N
N/A
1 mm 32.13 kg / 70.84 LBS
5 895 Gs
4.82 kg / 10.63 LBS
4820 g / 47.3 N
28.92 kg / 63.76 LBS
~0 Gs
2 mm 27.59 kg / 60.83 LBS
5 463 Gs
4.14 kg / 9.13 LBS
4139 g / 40.6 N
24.83 kg / 54.75 LBS
~0 Gs
3 mm 23.37 kg / 51.53 LBS
5 027 Gs
3.51 kg / 7.73 LBS
3506 g / 34.4 N
21.03 kg / 46.37 LBS
~0 Gs
5 mm 16.31 kg / 35.97 LBS
4 200 Gs
2.45 kg / 5.39 LBS
2447 g / 24.0 N
14.68 kg / 32.37 LBS
~0 Gs
10 mm 6.42 kg / 14.15 LBS
2 635 Gs
0.96 kg / 2.12 LBS
963 g / 9.4 N
5.78 kg / 12.74 LBS
~0 Gs
20 mm 1.32 kg / 2.91 LBS
1 195 Gs
0.20 kg / 0.44 LBS
198 g / 1.9 N
1.19 kg / 2.62 LBS
~0 Gs
50 mm 0.07 kg / 0.15 LBS
274 Gs
0.01 kg / 0.02 LBS
10 g / 0.1 N
0.06 kg / 0.14 LBS
~0 Gs
60 mm 0.03 kg / 0.08 LBS
192 Gs
0.01 kg / 0.01 LBS
5 g / 0.1 N
0.03 kg / 0.07 LBS
~0 Gs
70 mm 0.02 kg / 0.04 LBS
140 Gs
0.00 kg / 0.01 LBS
3 g / 0.0 N
0.02 kg / 0.04 LBS
~0 Gs
80 mm 0.01 kg / 0.02 LBS
104 Gs
0.00 kg / 0.00 LBS
2 g / 0.0 N
0.01 kg / 0.02 LBS
~0 Gs
90 mm 0.01 kg / 0.01 LBS
80 Gs
0.00 kg / 0.00 LBS
1 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs
100 mm 0.00 kg / 0.01 LBS
62 Gs
0.00 kg / 0.00 LBS
1 g / 0.0 N
0.00 kg / 0.00 LBS
~0 Gs

Table 7: Hazards (electronics) - warnings
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
Mechanical watch 20 Gs (2.0 mT) 6.0 cm
Mobile device 40 Gs (4.0 mT) 4.5 cm
Remote 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

Table 8: Dynamics (cracking risk) - 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

Table 9: Coating parameters (durability)
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)

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

Parameter Value SI Unit / Description
Magnetic Flux 14 969 Mx 149.7 µWb
Pc Coefficient 0.26 Low (Flat)

Table 11: Underwater work (magnet fishing)
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%
Corrosion warning: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.
1. Vertical hold

*Caution: On a vertical wall, the magnet retains only approx. 20-30% of its perpendicular strength.

2. Plate thickness effect

*Thin metal sheet (e.g. computer case) significantly reduces the holding force.

3. Temperature resistance

*For N38 grade, the safety 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.

Engineering data and GPSR
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%
Ecology and recycling (GPSR)
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
Quick Unit Converter
Magnet pull force

Field Strength

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This product is an extremely strong magnet in the shape of a plate made of NdFeB material, which, with dimensions of 60x10x5 mm and a weight of 22.5 g, guarantees premium class connection. This rectangular block with a force of 178.10 N is ready for shipment in 24h, allowing for rapid realization of your project. Furthermore, its Ni-Cu-Ni coating secures 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 18.16 kg can pinch very hard and cause hematomas. Using a screwdriver risks destroying the coating and permanently cracking the magnet.
They constitute a key element in the production of generators and material handling systems. They work great as fasteners under tiles, wood, or glass. 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. Double-sided tape cushions vibrations, which is an advantage when mounting in moving elements. 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. This is the most popular configuration for block magnets used in separators and holders.
The presented product is a neodymium magnet with precisely defined parameters: 60 mm (length), 10 mm (width), and 5 mm (thickness). It is a magnetic block with dimensions 60x10x5 mm and a self-weight of 22.5 g, ready to work at temperatures up to 80°C. The product meets the standards for N38 grade magnets.

Strengths and weaknesses of neodymium magnets.

Advantages

Besides their remarkable strength, neodymium magnets offer the following advantages:
  • They virtually do not lose power, because even after ten years the decline in efficiency is only ~1% (in laboratory conditions),
  • They possess excellent resistance to magnetism drop as a result of external magnetic sources,
  • By covering with a smooth layer of nickel, the element presents an proper look,
  • Magnets exhibit maximum magnetic induction on the working surface,
  • Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their form) at temperatures up to 230°C and above...
  • Thanks to flexibility in forming and the ability to modify to individual projects,
  • Wide application in innovative solutions – they are used in computer drives, electromotive mechanisms, diagnostic systems, also technologically advanced constructions.
  • Compactness – despite small sizes they generate large force, making them ideal for precision applications

Limitations

Disadvantages of NdFeB magnets:
  • To avoid cracks under impact, we suggest using special steel housings. Such a solution protects the magnet and simultaneously improves its durability.
  • We warn that neodymium magnets can reduce their power at high temperatures. To prevent this, we recommend our specialized [AH] magnets, which work effectively even at 230°C.
  • Magnets exposed to a humid environment can corrode. Therefore when using outdoors, we advise using water-impermeable magnets made of rubber, plastic or other material protecting against moisture
  • Due to limitations in producing nuts and complex shapes in magnets, we recommend using casing - magnetic holder.
  • Potential hazard resulting from small fragments of magnets pose a threat, when accidentally swallowed, which becomes key in the context of child safety. Furthermore, small elements of these magnets can be problematic in diagnostics medical when they are in the body.
  • High unit price – neodymium magnets have a higher price than other types of magnets (e.g. ferrite), which can limit application in large quantities

Holding force characteristics

Detachment force of the magnet in optimal conditionswhat affects it?

The force parameter is a measurement result executed under the following configuration:
  • with the use of a sheet made of low-carbon steel, guaranteeing maximum field concentration
  • possessing a massiveness of at least 10 mm to ensure full flux closure
  • characterized by lack of roughness
  • under conditions of no distance (metal-to-metal)
  • under perpendicular application of breakaway force (90-degree angle)
  • at room temperature

Magnet lifting force in use – key factors

In practice, the actual holding force is determined by many variables, listed from the most important:
  • Distance (betwixt the magnet and the metal), as even a very small distance (e.g. 0.5 mm) can cause a reduction in lifting capacity by up to 50% (this also applies to varnish, corrosion or dirt).
  • Direction of force – maximum parameter is available only during perpendicular pulling. The resistance to sliding of the magnet along the surface is usually many times smaller (approx. 1/5 of the lifting capacity).
  • Plate thickness – too thin steel does not close the flux, causing part of the power to be escaped into the air.
  • Steel grade – ideal substrate is high-permeability steel. Stainless steels may attract less.
  • Surface finish – ideal contact is obtained only on polished steel. Any scratches and bumps reduce the real contact area, weakening the magnet.
  • Temperature – heating the magnet causes a temporary drop of force. Check the thermal limit for a given model.

Lifting capacity testing was carried out on plates with a smooth surface of optimal thickness, under perpendicular forces, whereas under parallel forces the lifting capacity is smaller. Additionally, even a small distance between the magnet and the plate decreases the holding force.

Safety rules for work with neodymium magnets
Impact on smartphones

Note: neodymium magnets produce a field that disrupts sensitive sensors. Keep a separation from your phone, device, and GPS.

Powerful field

Before starting, check safety instructions. Uncontrolled attraction can break the magnet or injure your hand. Think ahead.

Safe distance

Avoid bringing magnets close to a wallet, computer, or TV. The magnetism can irreversibly ruin these devices and wipe information from cards.

Allergy Warning

Some people suffer from a hypersensitivity to nickel, which is the typical protective layer for neodymium magnets. Frequent touching can result in dermatitis. We recommend wear protective gloves.

Pacemakers

For implant holders: Powerful magnets disrupt electronics. Keep at least 30 cm distance or request help to handle the magnets.

Bone fractures

Pinching hazard: The pulling power is so immense that it can result in hematomas, pinching, and even bone fractures. Use thick gloves.

Mechanical processing

Combustion risk: Neodymium dust is highly flammable. Avoid machining magnets in home conditions as this risks ignition.

Shattering risk

Beware of splinters. Magnets can fracture upon violent connection, launching sharp fragments into the air. We recommend safety glasses.

Heat sensitivity

Do not overheat. NdFeB magnets are sensitive to temperature. If you need resistance above 80°C, inquire about special high-temperature series (H, SH, UH).

Product not for children

NdFeB magnets are not intended for children. Swallowing several magnets can lead to them connecting inside the digestive tract, which poses a direct threat to life and necessitates immediate surgery.

Security! Need more info? Read our article: Why are neodymium magnets dangerous?
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98