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MPL 6x6x6 / N38 - lamellar magnet

lamellar magnet

Catalog no 020175

GTIN/EAN: 5906301811817

5.00

length

6 mm [±0,1 mm]

Width

6 mm [±0,1 mm]

Height

6 mm [±0,1 mm]

Weight

1.62 g

Magnetization Direction

↑ axial

Load capacity

1.38 kg / 13.54 N

Magnetic Induction

539.50 mT / 5395 Gs

Coating

[NiCuNi] Nickel

0.898 with VAT / pcs + price for transport

0.730 ZŁ net + 23% VAT / pcs

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Physical properties - MPL 6x6x6 / N38 - lamellar magnet

Specification / characteristics - MPL 6x6x6 / N38 - lamellar magnet

properties
properties values
Cat. no. 020175
GTIN/EAN 5906301811817
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 6 mm [±0,1 mm]
Width 6 mm [±0,1 mm]
Height 6 mm [±0,1 mm]
Weight 1.62 g
Magnetization Direction ↑ axial
Load capacity ~ ? 1.38 kg / 13.54 N
Magnetic Induction ~ ? 539.50 mT / 5395 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 6x6x6 / 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 analysis of the product - data

These data constitute the outcome of a engineering analysis. Values are based on models for the material Nd2Fe14B. Operational performance may differ. Use these data as a reference point for designers.

Table 1: Static pull force (force vs distance) - power drop
MPL 6x6x6 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 5389 Gs
538.9 mT
1.38 kg / 3.04 lbs
1380.0 g / 13.5 N
weak grip
1 mm 3805 Gs
380.5 mT
0.69 kg / 1.52 lbs
688.0 g / 6.7 N
weak grip
2 mm 2530 Gs
253.0 mT
0.30 kg / 0.67 lbs
304.3 g / 3.0 N
weak grip
3 mm 1671 Gs
167.1 mT
0.13 kg / 0.29 lbs
132.7 g / 1.3 N
weak grip
5 mm 784 Gs
78.4 mT
0.03 kg / 0.06 lbs
29.2 g / 0.3 N
weak grip
10 mm 192 Gs
19.2 mT
0.00 kg / 0.00 lbs
1.8 g / 0.0 N
weak grip
15 mm 73 Gs
7.3 mT
0.00 kg / 0.00 lbs
0.3 g / 0.0 N
weak grip
20 mm 35 Gs
3.5 mT
0.00 kg / 0.00 lbs
0.1 g / 0.0 N
weak grip
30 mm 12 Gs
1.2 mT
0.00 kg / 0.00 lbs
0.0 g / 0.0 N
weak grip
50 mm 3 Gs
0.3 mT
0.00 kg / 0.00 lbs
0.0 g / 0.0 N
weak grip

Table 2: Sliding capacity (wall)
MPL 6x6x6 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.28 kg / 0.61 lbs
276.0 g / 2.7 N
1 mm Stal (~0.2) 0.14 kg / 0.30 lbs
138.0 g / 1.4 N
2 mm Stal (~0.2) 0.06 kg / 0.13 lbs
60.0 g / 0.6 N
3 mm Stal (~0.2) 0.03 kg / 0.06 lbs
26.0 g / 0.3 N
5 mm Stal (~0.2) 0.01 kg / 0.01 lbs
6.0 g / 0.1 N
10 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
15 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
20 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
30 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
50 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N

Table 3: Wall mounting (sliding) - vertical pull
MPL 6x6x6 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.41 kg / 0.91 lbs
414.0 g / 4.1 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.28 kg / 0.61 lbs
276.0 g / 2.7 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.14 kg / 0.30 lbs
138.0 g / 1.4 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.69 kg / 1.52 lbs
690.0 g / 6.8 N

Table 4: Steel thickness (saturation) - power losses
MPL 6x6x6 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
0.14 kg / 0.30 lbs
138.0 g / 1.4 N
1 mm
25%
0.35 kg / 0.76 lbs
345.0 g / 3.4 N
2 mm
50%
0.69 kg / 1.52 lbs
690.0 g / 6.8 N
3 mm
75%
1.04 kg / 2.28 lbs
1035.0 g / 10.2 N
5 mm
100%
1.38 kg / 3.04 lbs
1380.0 g / 13.5 N
10 mm
100%
1.38 kg / 3.04 lbs
1380.0 g / 13.5 N
11 mm
100%
1.38 kg / 3.04 lbs
1380.0 g / 13.5 N
12 mm
100%
1.38 kg / 3.04 lbs
1380.0 g / 13.5 N

Table 5: Thermal resistance (material behavior) - resistance threshold
MPL 6x6x6 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 1.38 kg / 3.04 lbs
1380.0 g / 13.5 N
OK
40 °C -2.2% 1.35 kg / 2.98 lbs
1349.6 g / 13.2 N
OK
60 °C -4.4% 1.32 kg / 2.91 lbs
1319.3 g / 12.9 N
OK
80 °C -6.6% 1.29 kg / 2.84 lbs
1288.9 g / 12.6 N
100 °C -28.8% 0.98 kg / 2.17 lbs
982.6 g / 9.6 N

Table 6: Magnet-Magnet interaction (attraction) - forces in the system
MPL 6x6x6 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 6.44 kg / 14.21 lbs
5 949 Gs
0.97 kg / 2.13 lbs
967 g / 9.5 N
N/A
1 mm 4.66 kg / 10.28 lbs
9 167 Gs
0.70 kg / 1.54 lbs
699 g / 6.9 N
4.20 kg / 9.25 lbs
~0 Gs
2 mm 3.21 kg / 7.08 lbs
7 610 Gs
0.48 kg / 1.06 lbs
482 g / 4.7 N
2.89 kg / 6.38 lbs
~0 Gs
3 mm 2.15 kg / 4.74 lbs
6 228 Gs
0.32 kg / 0.71 lbs
323 g / 3.2 N
1.94 kg / 4.27 lbs
~0 Gs
5 mm 0.94 kg / 2.06 lbs
4 107 Gs
0.14 kg / 0.31 lbs
140 g / 1.4 N
0.84 kg / 1.86 lbs
~0 Gs
10 mm 0.14 kg / 0.30 lbs
1 568 Gs
0.02 kg / 0.05 lbs
20 g / 0.2 N
0.12 kg / 0.27 lbs
~0 Gs
20 mm 0.01 kg / 0.02 lbs
384 Gs
0.00 kg / 0.00 lbs
1 g / 0.0 N
0.00 kg / 0.00 lbs
~0 Gs
50 mm 0.00 kg / 0.00 lbs
39 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
0.00 kg / 0.00 lbs
~0 Gs
60 mm 0.00 kg / 0.00 lbs
24 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
0.00 kg / 0.00 lbs
~0 Gs
70 mm 0.00 kg / 0.00 lbs
16 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
0.00 kg / 0.00 lbs
~0 Gs
80 mm 0.00 kg / 0.00 lbs
11 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
0.00 kg / 0.00 lbs
~0 Gs
90 mm 0.00 kg / 0.00 lbs
8 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
0.00 kg / 0.00 lbs
~0 Gs
100 mm 0.00 kg / 0.00 lbs
6 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
0.00 kg / 0.00 lbs
~0 Gs

Table 7: Hazards (electronics) - warnings
MPL 6x6x6 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 4.5 cm
Hearing aid 10 Gs (1.0 mT) 3.5 cm
Timepiece 20 Gs (2.0 mT) 2.5 cm
Phone / Smartphone 40 Gs (4.0 mT) 2.0 cm
Remote 50 Gs (5.0 mT) 2.0 cm
Payment card 400 Gs (40.0 mT) 1.0 cm
HDD hard drive 600 Gs (60.0 mT) 1.0 cm

Table 8: Collisions (cracking risk) - collision effects
MPL 6x6x6 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 29.46 km/h
(8.18 m/s)
0.05 J
30 mm 50.98 km/h
(14.16 m/s)
0.16 J
50 mm 65.82 km/h
(18.28 m/s)
0.27 J
100 mm 93.08 km/h
(25.86 m/s)
0.54 J

Table 9: Coating parameters (durability)
MPL 6x6x6 / 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 6x6x6 / N38

Parameter Value SI Unit / Description
Magnetic Flux 1 982 Mx 19.8 µWb
Pc Coefficient 0.84 High (Stable)

Table 11: Hydrostatics and buoyancy
MPL 6x6x6 / N38

Environment Effective steel pull Effect
Air (land) 1.38 kg Standard
Water (riverbed) 1.58 kg
(+0.20 kg buoyancy gain)
+14.5%
Rust risk: 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 holds just ~20% of its max power.

2. Steel thickness impact

*Thin metal sheet (e.g. computer case) severely limits 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) = 0.84

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%
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: 020175-2026
Quick Unit Converter
Magnet pull force

Magnetic Field

Check out more proposals

This product is an extremely strong magnet in the shape of a plate made of NdFeB material, which, with dimensions of 6x6x6 mm and a weight of 1.62 g, guarantees premium class connection. This rectangular block with a force of 13.54 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 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. To separate the MPL 6x6x6 / N38 model, firmly slide one magnet over the edge of the other until the attraction force decreases. We recommend extreme caution, because after separation, the magnets may want to violently snap back together, which threatens pinching the skin. Never use metal tools for prying, as the brittle NdFeB material may chip and damage your eyes.
Plate magnets MPL 6x6x6 / N38 are the foundation for many industrial devices, such as magnetic separators and linear motors. 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).
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. This is the most popular configuration for block magnets used in separators and holders.
This model is characterized by dimensions 6x6x6 mm, which, at a weight of 1.62 g, makes it an element with high energy density. It is a magnetic block with dimensions 6x6x6 mm and a self-weight of 1.62 g, ready to work at temperatures up to 80°C. The product meets the standards for N38 grade magnets.

Pros and cons of neodymium magnets.

Strengths

Besides their tremendous field intensity, neodymium magnets offer the following advantages:
  • They retain magnetic properties for almost 10 years – the drop is just ~1% (based on simulations),
  • They feature excellent resistance to magnetism drop as a result of opposing magnetic fields,
  • In other words, due to the aesthetic surface of silver, the element is aesthetically pleasing,
  • Magnets exhibit extremely high magnetic induction on the outer layer,
  • Through (adequate) combination of ingredients, they can achieve high thermal strength, allowing for operation at temperatures reaching 230°C and above...
  • Thanks to flexibility in forming and the ability to customize to complex applications,
  • Versatile presence in future technologies – they are used in data components, motor assemblies, medical equipment, also industrial machines.
  • Thanks to efficiency per cm³, small magnets offer high operating force, in miniature format,

Weaknesses

Disadvantages of neodymium magnets:
  • Brittleness is one of their disadvantages. Upon strong impact they can fracture. We recommend keeping them in a strong case, which not only secures them against impacts but also raises their durability
  • NdFeB magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of power (a factor is the shape as well as dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are extremely resistant to heat
  • They oxidize in a humid environment - during use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
  • Due to limitations in creating threads and complicated forms in magnets, we recommend using casing - magnetic mechanism.
  • Potential hazard resulting from small fragments of magnets pose a threat, if swallowed, which becomes key in the context of child health protection. It is also worth noting that tiny parts of these magnets are able to complicate diagnosis medical after entering the body.
  • Due to complex production process, their price is relatively high,

Holding force characteristics

Maximum holding power of the magnet – what it depends on?

The specified lifting capacity concerns the peak performance, measured under optimal environment, namely:
  • with the contact of a sheet made of low-carbon steel, ensuring maximum field concentration
  • possessing a thickness of minimum 10 mm to ensure full flux closure
  • with a plane free of scratches
  • under conditions of gap-free contact (surface-to-surface)
  • during detachment in a direction perpendicular to the mounting surface
  • at standard ambient temperature

Magnet lifting force in use – key factors

Please note that the working load will differ depending on the following factors, in order of importance:
  • Space between magnet and steel – even a fraction of a millimeter of distance (caused e.g. by varnish or dirt) diminishes the magnet efficiency, often by half at just 0.5 mm.
  • Force direction – declared lifting capacity refers to pulling vertically. When attempting to slide, the magnet exhibits much less (typically approx. 20-30% of maximum force).
  • Metal thickness – thin material does not allow full use of the magnet. Magnetic flux penetrates through instead of converting into lifting capacity.
  • Plate material – low-carbon steel gives the best results. Alloy steels reduce magnetic permeability and holding force.
  • Surface condition – smooth surfaces ensure maximum contact, which increases force. Rough surfaces weaken the grip.
  • Heat – NdFeB sinters have a negative temperature coefficient. When it is hot they are weaker, and in frost gain strength (up to a certain limit).

Holding force was checked on a smooth steel plate of 20 mm thickness, when the force acted perpendicularly, however under shearing force the holding force is lower. Moreover, even a slight gap between the magnet’s surface and the plate reduces the holding force.

Safe handling of neodymium magnets
Keep away from computers

Avoid bringing magnets near a wallet, computer, or TV. The magnetic field can destroy these devices and erase data from cards.

Health Danger

Patients with a heart stimulator must keep an absolute distance from magnets. The magnetic field can disrupt the operation of the life-saving device.

Threat to navigation

Note: rare earth magnets produce a field that confuses sensitive sensors. Keep a safe distance from your phone, tablet, and GPS.

Demagnetization risk

Standard neodymium magnets (N-type) undergo demagnetization when the temperature surpasses 80°C. Damage is permanent.

Magnets are brittle

Despite metallic appearance, the material is delicate and cannot withstand shocks. Avoid impacts, as the magnet may shatter into hazardous fragments.

Safe operation

Handle magnets with awareness. Their immense force can surprise even professionals. Be vigilant and do not underestimate their power.

This is not a toy

Adult use only. Small elements can be swallowed, causing intestinal necrosis. Store out of reach of children and animals.

Allergic reactions

Studies show that the nickel plating (standard magnet coating) is a common allergen. For allergy sufferers, refrain from touching magnets with bare hands and choose coated magnets.

Finger safety

Big blocks can break fingers in a fraction of a second. Do not put your hand betwixt two attracting surfaces.

Flammability

Combustion risk: Rare earth powder is highly flammable. Avoid machining magnets without safety gear as this may cause fire.

Important! Details about hazards in the article: Safety of working with magnets.