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MP 12x5x2 / N38 - ring magnet

Name: Dhit sp. z o.o.
Address: Kościuszki 6A, Ożarów Mazowiecki, mazowieckie, 05-850, PL
Telephone: +48 22 499 98 98
Price range: 1-6500 PLN
Rating: 5

ring magnet

Catalog no 030498

Diameter

12 mm [±0,1 mm]

internal diameter Ø

5 mm [±0,1 mm]

Height

2 mm [±0,1 mm]

Weight

1.4 g

Magnetization Direction

↑ axial

Load capacity

1.15 kg / 11.29 N

Magnetic Induction

195.97 mT / 1960 Gs

Coating

[NiCuNi] Nickel

check technical specifications »

1.230 ZŁ with VAT / pcs + price for transport

1.000 ZŁ net + 23% VAT / pcs

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Physical properties - MP 12x5x2 / N38 - ring magnet

Specification / characteristics - MP 12x5x2 / N38 - ring magnet

properties

properties	values
Cat. no.	030498
Production/Distribution	Dhit sp. z o.o. ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin	Poland / China / Germany
Customs code	85059029
Diameter	12 mm [±0,1 mm]
internal diameter Ø	5 mm [±0,1 mm]
Height	2 mm [±0,1 mm]
Weight	1.4 g
Magnetization Direction	↑ axial
Load capacity ~ ?	1.15 kg / 11.29 N
Magnetic Induction ~ ?	195.97 mT / 1960 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MP 12x5x2 / N38 - ring 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

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 - report

Presented information constitute the result of a physical simulation. Results are based on algorithms for the material Nd₂Fe₁₄B. Actual parameters might slightly differ from theoretical values. Please consider these calculations as a preliminary roadmap when designing systems.

Table 1: Static force (pull vs gap) - characteristics
MP 12x5x2 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	6085 Gs 608.5 mT	1.15 kg / 2.54 pounds 1150.0 g / 11.3 N	low risk
1 mm	5082 Gs 508.2 mT	0.80 kg / 1.77 pounds 802.2 g / 7.9 N	low risk
2 mm	4147 Gs 414.7 mT	0.53 kg / 1.18 pounds 534.0 g / 5.2 N	low risk
3 mm	3340 Gs 334.0 mT	0.35 kg / 0.76 pounds 346.3 g / 3.4 N	low risk
5 mm	2152 Gs 215.2 mT	0.14 kg / 0.32 pounds 143.8 g / 1.4 N	low risk
10 mm	822 Gs 82.2 mT	0.02 kg / 0.05 pounds 21.0 g / 0.2 N	low risk
15 mm	394 Gs 39.4 mT	0.00 kg / 0.01 pounds 4.8 g / 0.0 N	low risk
20 mm	221 Gs 22.1 mT	0.00 kg / 0.00 pounds 1.5 g / 0.0 N	low risk
30 mm	92 Gs 9.2 mT	0.00 kg / 0.00 pounds 0.3 g / 0.0 N	low risk
50 mm	28 Gs 2.8 mT	0.00 kg / 0.00 pounds 0.0 g / 0.0 N	low risk

Grip strength decreases sharply with every subsequent millimeter of gap. Remember that even a microscopic distance (e.g., dirt, varnish, dust) significantly weakens the grip. Neodymiums hold strongest at the point of direct contact; gap nullifies the power. Notice how quickly the load capacity plummet, when the magnet does not adhere directly to the steel surface. When calculating the arrangement, avoid additional spacers.

Table 2: Shear capacity (vertical surface)
MP 12x5x2 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	0.23 kg / 0.51 pounds 230.0 g / 2.3 N
1 mm	Stal (~0.2)	0.16 kg / 0.35 pounds 160.0 g / 1.6 N
2 mm	Stal (~0.2)	0.11 kg / 0.23 pounds 106.0 g / 1.0 N
3 mm	Stal (~0.2)	0.07 kg / 0.15 pounds 70.0 g / 0.7 N
5 mm	Stal (~0.2)	0.03 kg / 0.06 pounds 28.0 g / 0.3 N
10 mm	Stal (~0.2)	0.00 kg / 0.01 pounds 4.0 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

The table below shows the approximate holding capacity needed to start the slippage of the magnet downwards on a upright steel plate (assuming typical friction coefficient). This parameter varies with the gap size between the magnet and the surface.

Table 3: Wall mounting (sliding) - behavior on slippery surfaces
MP 12x5x2 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	0.35 kg / 0.76 pounds 345.0 g / 3.4 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	0.23 kg / 0.51 pounds 230.0 g / 2.3 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.11 kg / 0.25 pounds 115.0 g / 1.1 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	0.58 kg / 1.27 pounds 575.0 g / 5.6 N

When hanging a magnet on a upright wall (e.g., a car body), it will only hold barely about 1/5 of its maximum pull force. Gravitational force and a weak degree of grip mean that holders slip faster than they detach. Planning a hanger? Remember that the shear force is noticeably lower than the maximum static pull force. On a painted metal, the magnet will slip down under a much lighter load. Utilizing a rubberized pad can significantly increase the grip.

Table 4: Steel thickness (saturation) - sheet metal selection
MP 12x5x2 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	10%	0.11 kg / 0.25 pounds 115.0 g / 1.1 N
1 mm	25%	0.29 kg / 0.63 pounds 287.5 g / 2.8 N
2 mm	50%	0.58 kg / 1.27 pounds 575.0 g / 5.6 N
3 mm	75%	0.86 kg / 1.90 pounds 862.5 g / 8.5 N
5 mm	100%	1.15 kg / 2.54 pounds 1150.0 g / 11.3 N
10 mm	100%	1.15 kg / 2.54 pounds 1150.0 g / 11.3 N
11 mm	100%	1.15 kg / 2.54 pounds 1150.0 g / 11.3 N
12 mm	100%	1.15 kg / 2.54 pounds 1150.0 g / 11.3 N

A thin sheet is unable to absorb the full magnetic flux, which weakens actual performance of the magnet. If you install a neodymium to a weak sheet, the magnetism will pass right through and the attraction force will be weaker. To achieve full efficiency of this neodymium's potential, you need a suitably thick element of steel. The saturation phenomenon means that on delicate walls (e.g., appliance housings), the magnet works worse. We advise picking the steel dimension based on the following data.

Table 5: Thermal stability (material behavior) - thermal limit
MP 12x5x2 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	1.15 kg / 2.54 pounds 1150.0 g / 11.3 N	OK
40 °C	-2.2%	1.12 kg / 2.48 pounds 1124.7 g / 11.0 N	OK
60 °C	-4.4%	1.10 kg / 2.42 pounds 1099.4 g / 10.8 N	OK
80 °C	-6.6%	1.07 kg / 2.37 pounds 1074.1 g / 10.5 N
100 °C	-28.8%	0.82 kg / 1.81 pounds 818.8 g / 8.0 N

Classic neodymiums irreversibly lose strength above the temperature limit. Watch out for overheating – high temperature can irreversibly demagnetize this magnet. With increasing heat, the neodymium's power temporarily decreases. Refrain from using this product close to ovens exceeding its operating temperature limit. Ignoring the limit will result in irreversible degradation of magnetism.

*Important note: Thermal stability is determined by both grade, but also on the magnet's shape. Low-profile magnets (low permeance coefficient) risk losing magnetic properties sooner than long magnets. Red status in the table indicates a risk of irreversible loss for this particular item.

Table 6: Magnet-Magnet interaction (repulsion) - field collision
MP 12x5x2 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Shear Strength (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	21.34 kg / 47.04 pounds 6 163 Gs	3.20 kg / 7.06 pounds 3201 g / 31.4 N	N/A
1 mm	17.97 kg / 39.61 pounds 11 168 Gs	2.69 kg / 5.94 pounds 2695 g / 26.4 N	16.17 kg / 35.65 pounds ~0 Gs
2 mm	14.88 kg / 32.81 pounds 10 165 Gs	2.23 kg / 4.92 pounds 2233 g / 21.9 N	13.40 kg / 29.53 pounds ~0 Gs
3 mm	12.20 kg / 26.89 pounds 9 202 Gs	1.83 kg / 4.03 pounds 1830 g / 17.9 N	10.98 kg / 24.20 pounds ~0 Gs
5 mm	8.00 kg / 17.63 pounds 7 450 Gs	1.20 kg / 2.64 pounds 1199 g / 11.8 N	7.20 kg / 15.87 pounds ~0 Gs
10 mm	2.67 kg / 5.88 pounds 4 304 Gs	0.40 kg / 0.88 pounds 400 g / 3.9 N	2.40 kg / 5.30 pounds ~0 Gs
20 mm	0.39 kg / 0.86 pounds 1 644 Gs	0.06 kg / 0.13 pounds 58 g / 0.6 N	0.35 kg / 0.77 pounds ~0 Gs
50 mm	0.01 kg / 0.02 pounds 275 Gs	0.00 kg / 0.00 pounds 2 g / 0.0 N	0.01 kg / 0.02 pounds ~0 Gs
60 mm	0.00 kg / 0.01 pounds 184 Gs	0.00 kg / 0.00 pounds 1 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
70 mm	0.00 kg / 0.01 pounds 129 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 95 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 72 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 56 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs

Two magnetic products interact from a significantly greater distance than a neodymium and metal setup. Such a system of magnet-to-magnet generates a stronger field and a wider radius of performance. Want to build a strong closure? Apply two magnets instead of a neodymium and a striker plate. Be careful that when bringing together two magnets, the impact force is massive. The levitation is marginally weaker than the connection force, but still impressive.
*The magnetic induction between like poles is approximately ~0 Gs in the exact middle of the gap (caused by magnetic field nullification).
Attention: Estimates show shear force of dual matching neodymium magnets (friction ~0.15 for Ni-Ni plating).

Table 7: Protective zones (implants) - precautionary measures
MP 12x5x2 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	10.0 cm
Hearing aid	10 Gs (1.0 mT)	8.0 cm
Mechanical watch	20 Gs (2.0 mT)	6.0 cm
Phone / Smartphone	40 Gs (4.0 mT)	4.5 cm
Car key	50 Gs (5.0 mT)	4.0 cm
Payment card	400 Gs (40.0 mT)	1.5 cm
HDD hard drive	600 Gs (60.0 mT)	1.5 cm

Powerful magnet radiation is a serious hazard to electronics as well as pacemakers. These magnets produce a flux that disrupts operation of sensitive medical devices. Notice: the invisible magnetic field penetrates the body and housings. Exceptional care must be exercised by people with cochlear implants and insulin pumps. Also at risk are: automatic timepieces, remotes, membranes, and displays. Do not bring the product near payment cards, hard drives, or precise measuring instruments.

Table 8: Dynamics (kinetic energy) - warning
MP 12x5x2 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	29.23 km/h (8.12 m/s)	0.05 J
30 mm	50.07 km/h (13.91 m/s)	0.14 J
50 mm	64.63 km/h (17.95 m/s)	0.23 J
100 mm	91.40 km/h (25.39 m/s)	0.45 J

Neodymium magnets are delicate – a strong collision with metal can result in shattering. Pay attention to connection velocity – a neodymium left loose becomes dangerous. Impact energy can cause material chips or dangerous crushing to skin. Always hold the magnet during installation so it doesn't hit violently against the metal. A collision at high speed ends with a crack of the magnet. Wear safety glasses when playing with large magnets.

Table 9: Coating parameters (durability)
MP 12x5x2 / 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. Improper coating selection is the most common cause of magnet failure over time.

Table 10: Construction data (P_c)
MP 12x5x2 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	6 503 Mx	65.0 µWb
P_c Coefficient	1.34	High (Stable)

Flux value passing through the magnet pole. Essential parameter when building generators as well as sensors. The P_c coefficient determines the magnet's operating point.

Table 11: Submerged application
MP 12x5x2 / N38

Environment	Effective steel pull	Effect
Air (land)	1.15 kg	Standard
Water (riverbed)	1.32 kg (+0.17 kg buoyancy gain)	+14.5%

Rust risk: Remember to wipe the magnet thoroughly after removing it from water and apply a protective layer (e.g., oil) to avoid corrosion.

Water displaces steel, making heavy objects slightly lighter. Note: for permanent underwater work, we recommend magnets with an anti-corrosive (epoxy) coating.

1. Sliding resistance

*Warning: On a vertical wall, the magnet retains only a fraction of its max power.

2. Steel thickness impact

*Thin steel (e.g. computer case) significantly reduces the holding force.

3. Heat tolerance

*For N38 material, the safety limit is 80°C.

4. Demagnetization curve and operating point (B-H)

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 1.34

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 P_c (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 P_c 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: 030498-2026

Measurement Calculator

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It is ideally suited for places where solid attachment of the magnet to the substrate is required without the risk of detachment. Mounting is clean and reversible, unlike gluing. This product with a force of 1.15 kg works great as a cabinet closure, speaker holder, or spacer element in devices.

This is a crucial issue when working with model MP 12x5x2 / N38. Neodymium magnets are sintered ceramics, which means they are very brittle and inelastic. One turn too many can destroy the magnet, so do it slowly. The flat screw head should evenly press the magnet. Remember: cracking during assembly results from material properties, not a product defect.

These magnets are coated with standard Ni-Cu-Ni plating, which protects them in indoor conditions, but is not sufficient for rain. Damage to the protective layer during assembly is the most common cause of rusting. This product is dedicated for indoor use. For outdoor applications, we recommend choosing rubberized holders or additional protection with varnish.

The inner hole diameter determines the maximum size of the mounting element. For magnets with a straight hole, a conical head can act like a wedge and burst the magnet. Aesthetic mounting requires selecting the appropriate head size.

The presented product is a ring magnet with dimensions Ø12 mm (outer diameter) and height 2 mm. The pulling force of this model is an impressive 1.15 kg, which translates to 11.29 N in newtons. The product has a [NiCuNi] coating and is made of NdFeB material. Inner hole dimension: 5 mm.

These magnets are magnetized axially (through the thickness), which means one flat side is the N pole and the other is S. In the case of connecting two rings, make sure one is turned the right way. When ordering a larger quantity, magnets are usually packed in stacks, where they are already naturally paired.

Strengths as well as weaknesses of rare earth magnets.

Strengths

Besides their stability, neodymium magnets are valued for these benefits:

They virtually do not lose power, because even after ten years the performance loss is only ~1% (based on calculations),
They do not lose their magnetic properties even under strong external field,
A magnet with a shiny nickel surface looks better,
Magnets possess exceptionally strong magnetic induction on the active area,
Through (adequate) combination of ingredients, they can achieve high thermal strength, enabling functioning at temperatures reaching 230°C and above...
Possibility of exact shaping as well as adjusting to atypical requirements,
Key role in modern technologies – they serve a role in computer drives, electric motors, precision medical tools, also multitasking production systems.
Compactness – despite small sizes they generate large force, making them ideal for precision applications

Limitations

What to avoid - cons of neodymium magnets and ways of using them

Susceptibility to cracking is one of their disadvantages. Upon intense impact they can break. We recommend keeping them in a special holder, which not only secures them against impacts but also raises their durability
We warn that neodymium magnets can lose their strength at high temperatures. To prevent this, we suggest our specialized [AH] magnets, which work effectively even at 230°C.
They oxidize in a humid environment - during use outdoors we advise using waterproof magnets e.g. in rubber, plastic
We suggest casing - magnetic mechanism, due to difficulties in producing nuts inside the magnet and complex forms.
Potential hazard to health – tiny shards of magnets can be dangerous, in case of ingestion, which gains importance in the aspect of protecting the youngest. It is also worth noting that small components of these products are able to be problematic in diagnostics medical when they are in the body.
With large orders the cost of neodymium magnets can be a barrier,

Holding force characteristics

Maximum lifting capacity of the magnet – what contributes to it?

The declared magnet strength concerns the maximum value, recorded under optimal environment, namely:

with the application of a yoke made of special test steel, ensuring full magnetic saturation
whose thickness reaches at least 10 mm
characterized by smoothness
with direct contact (without coatings)
during detachment in a direction vertical to the plane
in temp. approx. 20°C

Determinants of practical lifting force of a magnet

During everyday use, the real power results from several key aspects, presented from most significant:

Space between magnet and steel – even a fraction of a millimeter of distance (caused e.g. by veneer or dirt) significantly weakens the pulling force, often by half at just 0.5 mm.
Load vector – highest force is available only during perpendicular pulling. The force required to slide of the magnet along the surface is usually many times lower (approx. 1/5 of the lifting capacity).
Metal thickness – the thinner the sheet, the weaker the hold. Magnetic flux penetrates through instead of generating force.
Material type – ideal substrate is high-permeability steel. Hardened steels may generate lower lifting capacity.
Smoothness – full contact is obtained only on polished steel. Any scratches and bumps create air cushions, weakening the magnet.
Thermal conditions – NdFeB sinters have a negative temperature coefficient. At higher temperatures they lose power, and in frost they can be stronger (up to a certain limit).

Lifting capacity testing was performed on plates with a smooth surface of optimal thickness, under a perpendicular pulling force, in contrast under shearing force the lifting capacity is smaller. Additionally, even a slight gap between the magnet’s surface and the plate reduces the load capacity.

Warnings

Machining danger

Fire hazard: Rare earth powder is explosive. Avoid machining magnets without safety gear as this may cause fire.

GPS Danger

Remember: rare earth magnets generate a field that confuses sensitive sensors. Keep a separation from your phone, tablet, and navigation systems.

Swallowing risk

Neodymium magnets are not toys. Eating a few magnets can lead to them attracting across intestines, which poses a severe health hazard and requires immediate surgery.

Maximum temperature

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

Eye protection

Beware of splinters. Magnets can explode upon uncontrolled impact, ejecting sharp fragments into the air. Eye protection is mandatory.

Sensitization to coating

Nickel alert: The Ni-Cu-Ni coating consists of nickel. If skin irritation happens, immediately stop handling magnets and use protective gear.

Threat to electronics

Device Safety: Strong magnets can damage payment cards and delicate electronics (pacemakers, hearing aids, mechanical watches).

Life threat

Medical warning: Strong magnets can turn off heart devices and defibrillators. Stay away if you have electronic implants.

Do not underestimate power

Before use, read the rules. Uncontrolled attraction can break the magnet or injure your hand. Think ahead.

Pinching danger

Pinching hazard: The attraction force is so immense that it can cause hematomas, crushing, and even bone fractures. Use thick gloves.

Attention! Looking for details? Check our post: Why are neodymium magnets dangerous?

MP 12x5x2 / N38 - ring magnet

Physical properties - MP 12x5x2 / N38 - ring magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Physical simulation of the assembly - report

Table 1: Static force (pull vs gap) - characteristics MP 12x5x2 / N38

Table 2: Shear capacity (vertical surface) MP 12x5x2 / N38

Table 3: Wall mounting (sliding) - behavior on slippery surfaces MP 12x5x2 / N38

Table 4: Steel thickness (saturation) - sheet metal selection MP 12x5x2 / N38

Table 5: Thermal stability (material behavior) - thermal limit MP 12x5x2 / N38

Table 6: Magnet-Magnet interaction (repulsion) - field collision MP 12x5x2 / N38

Table 7: Protective zones (implants) - precautionary measures MP 12x5x2 / N38

Table 8: Dynamics (kinetic energy) - warning MP 12x5x2 / N38

Table 9: Coating parameters (durability) MP 12x5x2 / N38

Table 10: Construction data (Pc) MP 12x5x2 / N38

Table 11: Submerged application MP 12x5x2 / N38

1. Sliding resistance

2. Steel thickness impact

3. Heat tolerance

4. Demagnetization curve and operating point (B-H)

Chemical composition

Environmental data

Magnet pull force

Magnetic Induction

Other products

LM TLN - 15 SQ / N38 - magnetic leviton

MPL 20x10x5 / N38 - lamellar magnet

SM 32x100 [2xM8] / N42 - magnetic separator

MW 5x1 / N38 - cylindrical magnet

Strengths as well as weaknesses of rare earth magnets.

Strengths

Limitations

Holding force characteristics

Maximum lifting capacity of the magnet – what contributes to it?

Determinants of practical lifting force of a magnet

Warnings

Machining danger

GPS Danger

Swallowing risk

Maximum temperature

Eye protection

Sensitization to coating

Threat to electronics

Life threat

Do not underestimate power

Pinching danger

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static force (pull vs gap) - characteristics
MP 12x5x2 / N38

Table 2: Shear capacity (vertical surface)
MP 12x5x2 / N38

Table 3: Wall mounting (sliding) - behavior on slippery surfaces
MP 12x5x2 / N38

Table 4: Steel thickness (saturation) - sheet metal selection
MP 12x5x2 / N38

Table 5: Thermal stability (material behavior) - thermal limit
MP 12x5x2 / N38

Table 6: Magnet-Magnet interaction (repulsion) - field collision
MP 12x5x2 / N38

Table 7: Protective zones (implants) - precautionary measures
MP 12x5x2 / N38

Table 8: Dynamics (kinetic energy) - warning
MP 12x5x2 / N38

Table 9: Coating parameters (durability)
MP 12x5x2 / N38

Table 10: Construction data (P_c)
MP 12x5x2 / N38

Table 11: Submerged application
MP 12x5x2 / N38