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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 specification 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 analysis of the assembly - technical parameters

Presented data constitute the result of a physical analysis. Values are based on models for the material Nd2Fe14B. Real-world parameters might slightly differ from theoretical values. Treat these data as a supplementary guide when designing systems.

Table 1: Static pull force (pull vs distance) - 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 LBS
18160.0 g / 178.1 N
crushing
1 mm 2731 Gs
273.1 mT
13.66 kg / 30.11 LBS
13658.3 g / 134.0 N
crushing
2 mm 2302 Gs
230.2 mT
9.70 kg / 21.38 LBS
9698.4 g / 95.1 N
strong
3 mm 1912 Gs
191.2 mT
6.70 kg / 14.76 LBS
6696.5 g / 65.7 N
strong
5 mm 1317 Gs
131.7 mT
3.18 kg / 7.00 LBS
3176.9 g / 31.2 N
strong
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 capacity (vertical surface)
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) - 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 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: Steel thickness (substrate influence) - 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 stability (material behavior) - resistance threshold
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 range
MPL 60x10x5 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Sliding Force (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 (implants) - 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
Timepiece 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: 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

Table 9: Surface protection spec
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: Electrical 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: Hydrostatics and buoyancy
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

*Note: On a vertical wall, the magnet retains only ~20% of its perpendicular strength.

2. Plate thickness effect

*Thin metal sheet (e.g. computer case) severely limits the holding force.

3. Heat tolerance

*For N38 material, 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

The chart above illustrates the magnetic characteristics of the material within the second quadrant of the hysteresis loop. 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
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Magnet pull force

Magnetic Induction

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This product is a very powerful 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. As a block magnet with high power (approx. 18.16 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.
Separating block magnets requires a technique based on sliding (moving one relative to the other), rather than forceful pulling apart. To separate the MPL 60x10x5 / N38 model, firmly slide one magnet over the edge of the other until the attraction force decreases. We recommend care, because after separation, the magnets may want to violently snap back together, which threatens pinching the skin. Using a screwdriver risks destroying the coating and permanently cracking the magnet.
They constitute a key element in the production of wind generators and material handling systems. 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. Their rectangular shape facilitates precise gluing into milled sockets in wood or plastic.
For mounting flat magnets MPL 60x10x5 / N38, we recommend utilizing 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).
The magnetic axis runs through the shortest dimension, which is typical for gripper magnets. 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.
This model is characterized by dimensions 60x10x5 mm, which, at a weight of 22.5 g, makes it an element with high energy density. The key parameter here is the holding force amounting to approximately 18.16 kg (force ~178.10 N), which, with such a flat shape, proves the high power of the material. The protective [NiCuNi] coating secures the magnet against corrosion.

Advantages and disadvantages of rare earth magnets.

Advantages

Besides their durability, neodymium magnets are valued for these benefits:
  • They do not lose magnetism, even during approximately ten years – the drop in power is only ~1% (theoretically),
  • They feature excellent resistance to weakening of magnetic properties due to external magnetic sources,
  • The use of an shiny coating of noble metals (nickel, gold, silver) causes the element to present itself better,
  • The surface of neodymium magnets generates a intense magnetic field – this is one of their assets,
  • Neodymium magnets are characterized by very high magnetic induction on the magnet surface and can function (depending on the shape) even at a temperature of 230°C or more...
  • Possibility of precise forming as well as adjusting to specific applications,
  • Versatile presence in high-tech industry – they serve a role in magnetic memories, electromotive mechanisms, medical devices, also industrial machines.
  • Relatively small size with high pulling force – neodymium magnets offer high power in compact dimensions, which makes them useful in miniature devices

Weaknesses

Drawbacks and weaknesses of neodymium magnets: application proposals
  • To avoid cracks under impact, we suggest using special steel holders. Such a solution protects the magnet and simultaneously increases its durability.
  • When exposed to high temperature, neodymium magnets suffer a drop in power. Often, when the temperature exceeds 80°C, their power decreases (depending on the size and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
  • Due to the susceptibility of magnets to corrosion in a humid environment, we advise using waterproof magnets made of rubber, plastic or other material resistant to moisture, in case of application outdoors
  • Limited possibility of making nuts in the magnet and complex forms - recommended is casing - mounting mechanism.
  • Potential hazard resulting from small fragments of magnets pose a threat, in case of ingestion, which gains importance in the aspect of protecting the youngest. Additionally, small elements of these magnets are able to complicate diagnosis medical when they are in the body.
  • Due to expensive raw materials, their price exceeds standard values,

Holding force characteristics

Highest magnetic holding forcewhat it depends on?

The lifting capacity listed is a theoretical maximum value executed under standard conditions:
  • using a sheet made of high-permeability steel, acting as a magnetic yoke
  • whose transverse dimension equals approx. 10 mm
  • characterized by lack of roughness
  • under conditions of ideal adhesion (surface-to-surface)
  • during detachment in a direction vertical to the plane
  • at ambient temperature room level

Key elements affecting lifting force

Please note that the magnet holding may be lower influenced by the following factors, in order of importance:
  • Gap between surfaces – every millimeter of distance (caused e.g. by veneer or unevenness) diminishes the magnet efficiency, often by half at just 0.5 mm.
  • Force direction – remember that the magnet has greatest strength perpendicularly. Under sliding down, the holding force drops significantly, often to levels of 20-30% of the maximum value.
  • Plate thickness – insufficiently thick sheet does not close the flux, causing part of the flux to be wasted into the air.
  • Chemical composition of the base – mild steel attracts best. Alloy admixtures decrease magnetic properties and holding force.
  • Surface finish – ideal contact is possible only on smooth steel. Rough texture create air cushions, reducing force.
  • Temperature – temperature increase results in weakening of induction. It is worth remembering the maximum operating temperature for a given model.

Lifting capacity was assessed using a smooth steel plate of suitable thickness (min. 20 mm), under perpendicular detachment force, in contrast under attempts to slide the magnet the lifting capacity is smaller. In addition, even a minimal clearance between the magnet’s surface and the plate decreases the lifting capacity.

H&S for magnets
Permanent damage

Standard neodymium magnets (N-type) lose power when the temperature exceeds 80°C. The loss of strength is permanent.

Danger to pacemakers

Warning for patients: Powerful magnets affect electronics. Keep minimum 30 cm distance or request help to work with the magnets.

Metal Allergy

Warning for allergy sufferers: The nickel-copper-nickel coating contains nickel. If redness appears, immediately stop working with magnets and wear gloves.

Adults only

These products are not toys. Accidental ingestion of several magnets can lead to them connecting inside the digestive tract, which poses a direct threat to life and requires urgent medical intervention.

Cards and drives

Very strong magnetic fields can corrupt files on payment cards, HDDs, and storage devices. Maintain a gap of at least 10 cm.

Pinching danger

Watch your fingers. Two large magnets will join instantly with a force of massive weight, crushing anything in their path. Be careful!

Beware of splinters

Despite metallic appearance, the material is delicate and cannot withstand shocks. Do not hit, as the magnet may shatter into sharp, dangerous pieces.

Immense force

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

Compass and GPS

An intense magnetic field interferes with the operation of magnetometers in smartphones and navigation systems. Maintain magnets close to a device to prevent breaking the sensors.

Mechanical processing

Dust produced during machining of magnets is combustible. Avoid drilling into magnets without proper cooling and knowledge.

Warning! More info about risks in the article: Magnet Safety Guide.
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98