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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

bulk discounts:

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Technical - 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

Physical simulation of the assembly - data

Presented information constitute the direct effect of a engineering simulation. Results rely on models for the class Nd2Fe14B. Actual parameters may differ. Please consider these data as a supplementary guide during assembly planning.

Table 1: Static pull force (pull 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 pounds
1380.0 g / 13.5 N
safe
1 mm 3805 Gs
380.5 mT
0.69 kg / 1.52 pounds
688.0 g / 6.7 N
safe
2 mm 2530 Gs
253.0 mT
0.30 kg / 0.67 pounds
304.3 g / 3.0 N
safe
3 mm 1671 Gs
167.1 mT
0.13 kg / 0.29 pounds
132.7 g / 1.3 N
safe
5 mm 784 Gs
78.4 mT
0.03 kg / 0.06 pounds
29.2 g / 0.3 N
safe
10 mm 192 Gs
19.2 mT
0.00 kg / 0.00 pounds
1.8 g / 0.0 N
safe
15 mm 73 Gs
7.3 mT
0.00 kg / 0.00 pounds
0.3 g / 0.0 N
safe
20 mm 35 Gs
3.5 mT
0.00 kg / 0.00 pounds
0.1 g / 0.0 N
safe
30 mm 12 Gs
1.2 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
safe
50 mm 3 Gs
0.3 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
safe

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 pounds
276.0 g / 2.7 N
1 mm Stal (~0.2) 0.14 kg / 0.30 pounds
138.0 g / 1.4 N
2 mm Stal (~0.2) 0.06 kg / 0.13 pounds
60.0 g / 0.6 N
3 mm Stal (~0.2) 0.03 kg / 0.06 pounds
26.0 g / 0.3 N
5 mm Stal (~0.2) 0.01 kg / 0.01 pounds
6.0 g / 0.1 N
10 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
15 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
20 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
30 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
50 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N

Table 3: Vertical assembly (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 pounds
414.0 g / 4.1 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.28 kg / 0.61 pounds
276.0 g / 2.7 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.14 kg / 0.30 pounds
138.0 g / 1.4 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.69 kg / 1.52 pounds
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 pounds
138.0 g / 1.4 N
1 mm
25%
0.35 kg / 0.76 pounds
345.0 g / 3.4 N
2 mm
50%
0.69 kg / 1.52 pounds
690.0 g / 6.8 N
3 mm
75%
1.04 kg / 2.28 pounds
1035.0 g / 10.2 N
5 mm
100%
1.38 kg / 3.04 pounds
1380.0 g / 13.5 N
10 mm
100%
1.38 kg / 3.04 pounds
1380.0 g / 13.5 N
11 mm
100%
1.38 kg / 3.04 pounds
1380.0 g / 13.5 N
12 mm
100%
1.38 kg / 3.04 pounds
1380.0 g / 13.5 N

Table 5: Working in heat (stability) - power drop
MPL 6x6x6 / N38

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

Table 6: Magnet-Magnet interaction (attraction) - field range
MPL 6x6x6 / N38

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

Table 7: Safety (HSE) (electronics) - precautionary measures
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
Mechanical watch 20 Gs (2.0 mT) 2.5 cm
Mobile device 40 Gs (4.0 mT) 2.0 cm
Car key 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: Impact energy (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: Surface protection spec
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: Electrical data (Pc)
MPL 6x6x6 / N38

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

Table 11: Underwater work (magnet fishing)
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%
Corrosion warning: This magnet has a standard nickel coating. After use in water, it must be dried and maintained immediately, otherwise it will rust!
1. Wall mount (shear)

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

2. Efficiency vs thickness

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

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
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: 020175-2026
Quick Unit Converter
Pulling force

Magnetic Field

Other products

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. As a block magnet with high power (approx. 1.38 kg), this product is available immediately from our warehouse in Poland. Furthermore, its Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, giving it an aesthetic appearance.
Separating block magnets requires a technique based on sliding (moving one relative to the other), rather than forceful pulling apart. 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. 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 invisible mounts under tiles, wood, or glass. Customers often choose this model for workshop organization on strips and for advanced DIY and modeling projects, where precision and power count.
For mounting flat magnets MPL 6x6x6 / N38, we recommend utilizing two-component adhesives (e.g., UHU Endfest, Distal), which ensure a durable bond with metal or plastic. 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 6x6x6 / N38 model is magnetized axially (dimension 6 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 (6x6 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.
The presented product is a neodymium magnet with precisely defined parameters: 6 mm (length), 6 mm (width), and 6 mm (thickness). 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 protective [NiCuNi] coating secures the magnet against corrosion.

Advantages as well as disadvantages of neodymium magnets.

Strengths

Apart from their superior power, neodymium magnets have these key benefits:
  • They do not lose power, even during nearly 10 years – the decrease in strength is only ~1% (theoretically),
  • They retain their magnetic properties even under close interference source,
  • Thanks to the smooth finish, the surface of Ni-Cu-Ni, gold, or silver gives an visually attractive appearance,
  • Magnetic induction on the surface of the magnet remains very high,
  • Through (adequate) combination of ingredients, they can achieve high thermal strength, allowing for operation at temperatures approaching 230°C and above...
  • Thanks to the possibility of free molding and customization to individualized solutions, NdFeB magnets can be created in a broad palette of shapes and sizes, which makes them more universal,
  • Wide application in advanced technology sectors – they are commonly used in HDD drives, drive modules, medical devices, also other advanced devices.
  • Relatively small size with high pulling force – neodymium magnets offer high power in compact dimensions, which allows their use in compact constructions

Cons

Problematic aspects of neodymium magnets: weaknesses and usage proposals
  • At very strong impacts they can crack, therefore we advise placing them in special holders. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
  • We warn that neodymium magnets can reduce their strength at high temperatures. To prevent this, we advise our specialized [AH] magnets, which work effectively even at 230°C.
  • Magnets exposed to a humid environment can rust. Therefore while using outdoors, we recommend using waterproof magnets made of rubber, plastic or other material protecting against moisture
  • Due to limitations in producing threads and complicated shapes in magnets, we recommend using cover - magnetic mechanism.
  • Health risk resulting from small fragments of magnets can be dangerous, in case of ingestion, which gains importance in the context of child health protection. Additionally, small elements of these magnets can be problematic in diagnostics medical when they are in the body.
  • High unit price – neodymium magnets cost more than other types of magnets (e.g. ferrite), which increases costs of application in large quantities

Lifting parameters

Maximum holding power of the magnet – what affects it?

Information about lifting capacity was defined for optimal configuration, including:
  • using a base made of low-carbon steel, serving as a ideal flux conductor
  • with a thickness minimum 10 mm
  • with a surface cleaned and smooth
  • under conditions of ideal adhesion (surface-to-surface)
  • under axial application of breakaway force (90-degree angle)
  • at ambient temperature room level

Determinants of lifting force in real conditions

During everyday use, the actual lifting capacity depends on a number of factors, listed from crucial:
  • Distance – the presence of foreign body (paint, dirt, gap) interrupts the magnetic circuit, which reduces capacity steeply (even by 50% at 0.5 mm).
  • Force direction – declared lifting capacity refers to detachment vertically. When attempting to slide, the magnet holds much less (often approx. 20-30% of maximum force).
  • Metal thickness – thin material does not allow full use of the magnet. Magnetic flux penetrates through instead of generating force.
  • Chemical composition of the base – low-carbon steel attracts best. Alloy steels decrease magnetic permeability and lifting capacity.
  • Surface condition – ground elements guarantee perfect abutment, which improves field saturation. Rough surfaces reduce efficiency.
  • Operating temperature – neodymium magnets have a negative temperature coefficient. When it is hot they lose power, and in frost gain strength (up to a certain limit).

Holding force was tested on a smooth steel plate of 20 mm thickness, when the force acted perpendicularly, whereas under shearing force the lifting capacity is smaller. Additionally, even a minimal clearance between the magnet’s surface and the plate reduces the lifting capacity.

H&S for magnets
Skin irritation risks

Warning for allergy sufferers: The Ni-Cu-Ni coating consists of nickel. If skin irritation appears, cease handling magnets and use protective gear.

Do not drill into magnets

Fire warning: Neodymium dust is explosive. Do not process magnets without safety gear as this may cause fire.

Protect data

Data protection: Neodymium magnets can ruin data carriers and sensitive devices (pacemakers, medical aids, mechanical watches).

Danger to the youngest

Neodymium magnets are not toys. Accidental ingestion of several magnets can lead to them pinching intestinal walls, which constitutes a severe health hazard and requires urgent medical intervention.

Implant safety

For implant holders: Strong magnetic fields disrupt electronics. Keep minimum 30 cm distance or ask another person to handle the magnets.

Physical harm

Watch your fingers. Two powerful magnets will snap together instantly with a force of several hundred kilograms, crushing everything in their path. Exercise extreme caution!

Material brittleness

Neodymium magnets are ceramic materials, which means they are very brittle. Collision of two magnets leads to them cracking into small pieces.

Heat sensitivity

Monitor thermal conditions. Exposing the magnet above 80 degrees Celsius will permanently weaken its magnetic structure and strength.

Threat to navigation

Be aware: rare earth magnets generate a field that interferes with precision electronics. Keep a safe distance from your phone, tablet, and navigation systems.

Immense force

Use magnets consciously. Their powerful strength can shock even experienced users. Be vigilant and do not underestimate their power.

Important! Details 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