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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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Product card - 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 product - data

These values are the outcome of a engineering simulation. Results are based on models for the material Nd2Fe14B. Actual conditions might slightly differ. Use these data as a preliminary roadmap for designers.

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

Table 2: Vertical load (vertical surface)
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: Vertical assembly (sliding) - behavior on slippery surfaces
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) - sheet metal selection
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: 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 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: Two magnets (attraction) - field collision
MPL 6x6x6 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Strength (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: Safety (HSE) (implants) - 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
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 (kinetic energy) - warning
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

*Warning: On a vertical surface, the magnet holds just ~20% of its max power.

2. Steel saturation

*Thin steel (e.g. computer case) drastically weakens 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.

Technical and environmental data
Material specification
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: 020175-2026
Measurement Calculator
Force (pull)

Magnetic Induction

View more proposals

Model MPL 6x6x6 / N38 features a low profile and industrial pulling force, making it an ideal solution for building separators and machines. 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.
Separating strong flat magnets requires a technique based on sliding (moving one relative to the other), rather than forceful pulling apart. Watch your fingers! Magnets with a force of 1.38 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 6x6x6 / 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 workshop organization on strips and for advanced DIY and modeling projects, where precision and power count.
For mounting flat magnets MPL 6x6x6 / N38, it is best to use strong epoxy glues (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. Remember to clean and degrease the magnet surface before gluing, which significantly increases the adhesion of the glue to the nickel coating.
The magnetic axis runs through the shortest dimension, which is typical for gripper magnets. In practice, this means that this magnet has the greatest attraction force on its main planes (6x6 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: 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.

Strengths as well as weaknesses of Nd2Fe14B magnets.

Pros

Besides their remarkable pulling force, neodymium magnets offer the following advantages:
  • They have constant strength, and over nearly ten years their performance decreases symbolically – ~1% (in testing),
  • They retain their magnetic properties even under external field action,
  • A magnet with a metallic nickel surface has an effective appearance,
  • They feature high magnetic induction at the operating surface, which affects their effectiveness,
  • Thanks to resistance to high temperature, they can operate (depending on the form) even at temperatures up to 230°C and higher...
  • Thanks to modularity in designing and the capacity to adapt to individual projects,
  • Significant place in future technologies – they are used in computer drives, motor assemblies, medical equipment, as well as modern systems.
  • Thanks to concentrated force, small magnets offer high operating force, occupying minimum space,

Disadvantages

Disadvantages of neodymium magnets:
  • To avoid cracks upon strong impacts, we suggest using special steel holders. Such a solution protects the magnet and simultaneously improves 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
  • They rust in a humid environment - during use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
  • Limited possibility of creating threads in the magnet and complicated shapes - recommended is casing - magnet mounting.
  • Possible danger to health – tiny shards of magnets can be dangerous, if swallowed, which gains importance in the context of child safety. Additionally, small components of these products are able to be problematic in diagnostics medical when they are in the body.
  • Due to neodymium price, their price is higher than average,

Pull force analysis

Detachment force of the magnet in optimal conditionswhat affects it?

The load parameter shown refers to the maximum value, obtained under ideal test conditions, specifically:
  • using a sheet made of mild steel, acting as a circuit closing element
  • with a thickness no less than 10 mm
  • with a plane cleaned and smooth
  • with total lack of distance (no coatings)
  • for force acting at a right angle (pull-off, not shear)
  • at ambient temperature room level

Practical aspects of lifting capacity – factors

Real force is influenced by working environment parameters, such as (from most important):
  • Clearance – existence of foreign body (rust, dirt, air) interrupts the magnetic circuit, which lowers power steeply (even by 50% at 0.5 mm).
  • Angle of force application – maximum parameter is available only during pulling at a 90° angle. The shear force of the magnet along the plate is standardly many times lower (approx. 1/5 of the lifting capacity).
  • Wall thickness – the thinner the sheet, the weaker the hold. Part of the magnetic field penetrates through instead of generating force.
  • Plate material – mild steel gives the best results. Higher carbon content decrease magnetic permeability and lifting capacity.
  • Surface quality – the more even the surface, the larger the contact zone and stronger the hold. Roughness creates an air distance.
  • Operating temperature – neodymium magnets have a negative temperature coefficient. When it is hot they lose power, and in frost they can be stronger (up to a certain limit).

Lifting capacity was determined with the use of a steel plate with a smooth surface of optimal thickness (min. 20 mm), under perpendicular detachment force, in contrast under parallel forces the lifting capacity is smaller. Additionally, even a slight gap between the magnet and the plate decreases the load capacity.

Safety rules for work with neodymium magnets
Impact on smartphones

Navigation devices and mobile phones are highly susceptible to magnetism. Direct contact with a powerful NdFeB magnet can ruin the sensors in your phone.

Eye protection

Watch out for shards. Magnets can fracture upon uncontrolled impact, launching shards into the air. Eye protection is mandatory.

Skin irritation risks

Certain individuals experience a contact allergy to nickel, which is the standard coating for neodymium magnets. Extended handling might lead to a rash. We recommend wear protective gloves.

Product not for children

Strictly store magnets away from children. Ingestion danger is significant, and the effects of magnets clamping inside the body are very dangerous.

Machining danger

Fire warning: Rare earth powder is highly flammable. Do not process magnets in home conditions as this risks ignition.

Life threat

Patients with a pacemaker have to maintain an safe separation from magnets. The magnetism can disrupt the functioning of the implant.

Maximum temperature

Standard neodymium magnets (N-type) undergo demagnetization when the temperature exceeds 80°C. This process is irreversible.

Magnetic media

Very strong magnetic fields can erase data on payment cards, HDDs, and other magnetic media. Maintain a gap of min. 10 cm.

Handling rules

Be careful. Neodymium magnets attract from a distance and snap with huge force, often quicker than you can move away.

Crushing force

Big blocks can smash fingers instantly. Never place your hand between two attracting surfaces.

Security! Looking for details? Read our article: Why are neodymium magnets dangerous?
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98