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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

see specifications »

19.00 ZŁ with VAT / pcs + price for transport

15.45 ZŁ net + 23% VAT / pcs

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Detailed specification - 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

Technical simulation of the magnet - report

The following values are the outcome of a engineering simulation. Values are based on models for the material Nd2Fe14B. Actual conditions might slightly differ. Please consider these calculations as a supplementary guide when designing systems.

Table 1: Static force (force vs distance) - 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
 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
Grip strength drops drastically with every mm of distance. Keep in mind that even the smallest gap (e.g., dirt, varnish, rust) noticeably weakens the grip. Magnets operate optimally during direct contact; distance weakens the power. Notice how rapidly the parameters drop, when the magnet does not adhere flatly to the steel surface. When planning the mounting, discard redundant distances.

Table 2: Vertical 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
The following data presents the theoretical force necessary to cause the downward movement of the magnet vertically on a upright steel plate (assuming typical friction). The holding force depends on the gap size between the magnet and the surface.

Table 3: Vertical assembly (sliding) - 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
When placing a holder on a vertical wall (e.g., a car body), it you can count on just about 20%-30% of its nominal power. Gravity as well as a weak degree of grip cause that products slide down faster than they pop off the substrate. Designing a hanger? Note that the sliding force is significantly lower than the maximum static pull force. On a smooth steel, the element will slide down under a much lighter cargo. Utilizing a rubberized layer can drastically increase the grip.

Table 4: Steel thickness (substrate influence) - sheet metal selection
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
A thin metal plate is not enough to focus the full magnetic flux, which wastes potential of the holder. Should you install a neodymium to a too thin substrate, the flux will pass right through and the pull force will drop sharply. To squeeze the maximum of this neodymium's potential, you need a suitably thick backing of steel. The saturation effect means that on delicate walls (e.g., car bodies), the holder holds weaker. We recommend selecting the steel dimension from these parameters.

Table 5: Working in heat (stability) - 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
Classic neodymiums change their properties parameters above the temperature limit. Watch out for overheating – high temperature can irreversibly demagnetize this magnet. With increasing heat, the magnet's force briefly lowers. Avoid using this product close to ovens exceeding its safe range. Ignoring the limit will result in destruction of magnetism.
*Engineering note: Thermal stability is determined by both grade, as well as the dimension ratios. Low-profile magnets (low Pc) are more susceptible to demagnetization sooner compared to rod magnets. The danger warning in the table points to permanent field degradation for this particular item.

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

Gap (mm) Attraction (kg/lbs) (N-S) Lateral 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
Two magnets interact from a much further distance than a neodymium and metal setup. Such a system of two magnets creates a more powerful interaction and a larger range of action. Designing a strong closure? Apply two magnets instead of a neodymium and a striker plate. Exercise caution that when bringing together two magnets, the collision energy is extreme. The repulsion force is slightly lower than the attraction, but still impressive.
*The magnetic induction between like poles drops to ~0 Gs at the midpoint of the gap (resulting from vector opposition).
Important: Figures show shear force of dual identical magnets (friction ~0.15 for Ni-Ni coating).

Table 7: Safety (HSE) (electronics) - precautionary measures
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
Phone / Smartphone 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
Powerful magnet radiation poses a real danger to IT equipment and pacemakers. These NdFeB products produce a field that disrupts operation of sensitive medical devices. Notice: the unseen radiation penetrates the body and housings. Increased vigilance must be taken by people with hearing aids and insulin pumps. The risk also applies to: automatic timepieces, remotes, membranes, and screens. Do not bring the product near payment cards, HDD media, or sensitive navigation tools.

Table 8: Impact energy (cracking risk) - warning
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
Neodymium magnets are very brittle – a violent impact against metal causes immediate chipping. Pay attention to connection velocity – a neodymium left loose turns into a projectile. Striking energy can cause material chips or injury to fingers. Hold the magnet firmly during mounting so it doesn't hit with great force against the steel surface. A contact at a velocity of dozens of km/h ends with a crack of the neodymium. Wear safety glasses when working with powerful specimens.

Table 9: Corrosion resistance
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)
The following table defines the conditions under which this product can be safely used. Moisture resistance is crucial for installations in bathrooms or outdoors.

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)
Flux value passing through the magnet pole. Essential parameter in coil applications as well as sensors. The Pc coefficient determines the magnet's operating point.

Table 11: Submerged application
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%
Rust risk: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.
The magnetic field penetrates through water without any losses. Buoyancy helps in lifting finds.
1. Vertical hold

*Caution: On a vertical surface, the magnet holds just approx. 20-30% of its perpendicular strength.

2. Steel saturation

*Thin metal sheet (e.g. 0.5mm PC case) significantly reduces the holding force.

3. Temperature resistance

*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) = 0.26

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.

Technical specification and ecology
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%
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: 020474-2026
Quick Unit Converter
Magnet pull force
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This product is a very powerful plate magnet 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 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. Watch your fingers! Magnets with a force of 18.16 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 60x10x5 / N38 are the foundation for many industrial devices, such as filters catching filings 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. 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).
Standardly, the MPL 60x10x5 / N38 model is magnetized through the thickness (dimension 5 mm), which means that the N and S poles are located on its largest, flat surfaces. 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 60x10x5 mm, which, at a weight of 22.5 g, makes it an element with high energy density. 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.

Pros as well as cons of rare earth magnets.

Strengths

Apart from their strong power, neodymium magnets have these key benefits:
  • They have unchanged lifting capacity, and over around ten years their attraction force decreases symbolically – ~1% (in testing),
  • Neodymium magnets prove to be exceptionally resistant to demagnetization caused by magnetic disturbances,
  • The use of an elegant finish of noble metals (nickel, gold, silver) causes the element to present itself better,
  • Neodymium magnets deliver maximum magnetic induction on a small area, which allows for strong attraction,
  • Through (appropriate) combination of ingredients, they can achieve high thermal strength, enabling operation at temperatures approaching 230°C and above...
  • Thanks to modularity in shaping and the capacity to customize to unusual requirements,
  • Universal use in future technologies – they are used in HDD drives, drive modules, medical equipment, as well as technologically advanced constructions.
  • Thanks to efficiency per cm³, small magnets offer high operating force, with minimal size,

Disadvantages

Disadvantages of neodymium magnets:
  • They are prone to damage upon too strong impacts. To avoid cracks, it is worth securing magnets in special housings. Such protection not only protects the magnet but also improves its resistance to damage
  • Neodymium magnets lose power 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
  • Magnets exposed to a humid environment can corrode. Therefore when using outdoors, we recommend using waterproof magnets made of rubber, plastic or other material resistant to moisture
  • Due to limitations in realizing threads and complex shapes in magnets, we recommend using cover - magnetic holder.
  • Potential hazard resulting from small fragments of magnets are risky, when accidentally swallowed, which gains importance in the context of child safety. Additionally, small elements of these products can disrupt the diagnostic process medical in case of swallowing.
  • Due to expensive raw materials, their price is relatively high,

Holding force characteristics

Maximum magnetic pulling force – what affects it?

The load parameter shown concerns the maximum value, recorded under laboratory conditions, namely:
  • using a plate made of mild steel, functioning as a circuit closing element
  • whose transverse dimension reaches at least 10 mm
  • with an ground contact surface
  • with zero gap (without impurities)
  • during detachment in a direction perpendicular to the mounting surface
  • at temperature room level

Lifting capacity in practice – influencing factors

Effective lifting capacity is influenced by working environment parameters, such as (from priority):
  • Air gap (between the magnet and the metal), because even a very small distance (e.g. 0.5 mm) can cause a decrease in force by up to 50% (this also applies to paint, corrosion or debris).
  • Loading method – declared lifting capacity refers to detachment vertically. When attempting to slide, the magnet exhibits much less (often approx. 20-30% of nominal force).
  • Steel thickness – insufficiently thick sheet does not accept the full field, causing part of the power to be lost into the air.
  • Material type – the best choice is high-permeability steel. Hardened steels may attract less.
  • Smoothness – ideal contact is obtained only on smooth steel. Any scratches and bumps reduce the real contact area, reducing force.
  • Thermal factor – high temperature reduces magnetic field. Too high temperature can permanently damage the magnet.

Lifting capacity was determined by applying a smooth steel plate of suitable thickness (min. 20 mm), under perpendicular detachment force, in contrast under shearing force the lifting capacity is smaller. Moreover, even a slight gap between the magnet’s surface and the plate reduces the lifting capacity.

H&S for magnets
Respect the power

Use magnets consciously. Their huge power can shock even professionals. Be vigilant and do not underestimate their power.

Keep away from electronics

Note: rare earth magnets produce a field that confuses sensitive sensors. Maintain a separation from your mobile, tablet, and navigation systems.

Power loss in heat

Avoid heat. NdFeB magnets are sensitive to temperature. If you need resistance above 80°C, look for HT versions (H, SH, UH).

Medical interference

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

Combustion hazard

Dust generated during machining of magnets is self-igniting. Avoid drilling into magnets without proper cooling and knowledge.

Eye protection

Watch out for shards. Magnets can explode upon violent connection, ejecting sharp fragments into the air. Eye protection is mandatory.

Electronic hazard

Device Safety: Neodymium magnets can ruin data carriers and sensitive devices (pacemakers, hearing aids, mechanical watches).

Bone fractures

Pinching hazard: The attraction force is so immense that it can result in hematomas, crushing, and broken bones. Use thick gloves.

Allergic reactions

Warning for allergy sufferers: The nickel-copper-nickel coating contains nickel. If an allergic reaction appears, cease working with magnets and wear gloves.

Danger to the youngest

Neodymium magnets are not toys. Eating multiple magnets can lead to them attracting across intestines, which poses a critical condition and necessitates immediate surgery.

Warning! Learn more about hazards in the article: Magnet Safety Guide.