Product available Ships today (order by 14:00)

MW 45x35 / N38 - cylindrical 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

cylindrical magnet

Catalog no 010074

GTIN/EAN: 5906301810735

Diameter Ø

45 mm [±0,1 mm]

Height

35 mm [±0,1 mm]

Weight

417.49 g

Magnetization Direction

↑ axial

Load capacity

68.98 kg / 676.73 N

Magnetic Induction

521.39 mT / 5214 Gs

Coating

[NiCuNi] Nickel

view technical data »

180.10 ZŁ with VAT / pcs + price for transport

146.42 ZŁ net + 23% VAT / pcs

bulk discounts:

Need more?

price from 1 pcs

146.42 ZŁ

180.10 ZŁ

price from 5 pcs

137.63 ZŁ

169.29 ZŁ

price from 20 pcs

128.85 ZŁ

158.49 ZŁ

Carbon Footprint – environmental impact GPSR Regulation – product safety

Do you have problems deciding?

Give us a call +48 22 499 98 98 if you prefer get in touch by means of contact form our website.
Parameters along with appearance of neodymium magnets can be calculated with our our magnetic calculator.

Order by 14:00 and we’ll ship today!

Product card - MW 45x35 / N38 - cylindrical magnet

Specification / characteristics - MW 45x35 / N38 - cylindrical magnet

properties

properties	values
Cat. no.	010074
GTIN/EAN	5906301810735
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 Ø	45 mm [±0,1 mm]
Height	35 mm [±0,1 mm]
Weight	417.49 g
Magnetization Direction	↑ axial
Load capacity ~ ?	68.98 kg / 676.73 N
Magnetic Induction ~ ?	521.39 mT / 5214 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 45x35 / N38 - cylindrical 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 analysis of the magnet - data

These data represent the direct effect of a mathematical simulation. Results are based on models for the class Nd₂Fe₁₄B. Actual performance might slightly differ. Treat these data as a supplementary guide when designing systems.

Table 1: Static pull force (pull vs gap) - characteristics
MW 45x35 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	5213 Gs 521.3 mT	68.98 kg / 152.07 pounds 68980.0 g / 676.7 N	crushing
1 mm	4982 Gs 498.2 mT	63.01 kg / 138.91 pounds 63010.2 g / 618.1 N	crushing
2 mm	4748 Gs 474.8 mT	57.23 kg / 126.18 pounds 57234.3 g / 561.5 N	crushing
3 mm	4516 Gs 451.6 mT	51.76 kg / 114.10 pounds 51756.9 g / 507.7 N	crushing
5 mm	4059 Gs 405.9 mT	41.82 kg / 92.19 pounds 41816.3 g / 410.2 N	crushing
10 mm	3027 Gs 302.7 mT	23.26 kg / 51.29 pounds 23264.1 g / 228.2 N	crushing
15 mm	2215 Gs 221.5 mT	12.45 kg / 27.45 pounds 12451.1 g / 122.1 N	crushing
20 mm	1619 Gs 161.9 mT	6.66 kg / 14.67 pounds 6656.2 g / 65.3 N	warning
30 mm	899 Gs 89.9 mT	2.05 kg / 4.52 pounds 2051.1 g / 20.1 N	warning
50 mm	340 Gs 34.0 mT	0.29 kg / 0.65 pounds 292.8 g / 2.9 N	low risk

Pulling power weakens significantly with every mm of gap. Note that even a very thin break (e.g., dirt, paint, rust) noticeably diminishes the holding power. Magnets work strongest during direct contact; distance weakens the force. Analyze how rapidly the pull force drop, when the product does not adhere tightly to the steel surface. When calculating the mounting, eliminate additional spacers.

Table 2: Slippage capacity (wall)
MW 45x35 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	13.80 kg / 30.41 pounds 13796.0 g / 135.3 N
1 mm	Stal (~0.2)	12.60 kg / 27.78 pounds 12602.0 g / 123.6 N
2 mm	Stal (~0.2)	11.45 kg / 25.23 pounds 11446.0 g / 112.3 N
3 mm	Stal (~0.2)	10.35 kg / 22.82 pounds 10352.0 g / 101.6 N
5 mm	Stal (~0.2)	8.36 kg / 18.44 pounds 8364.0 g / 82.1 N
10 mm	Stal (~0.2)	4.65 kg / 10.26 pounds 4652.0 g / 45.6 N
15 mm	Stal (~0.2)	2.49 kg / 5.49 pounds 2490.0 g / 24.4 N
20 mm	Stal (~0.2)	1.33 kg / 2.94 pounds 1332.0 g / 13.1 N
30 mm	Stal (~0.2)	0.41 kg / 0.90 pounds 410.0 g / 4.0 N
50 mm	Stal (~0.2)	0.06 kg / 0.13 pounds 58.0 g / 0.6 N

This section defines the theoretical shear load needed to start the downward movement of the magnet vertically on a vertical steel wall (considering typical friction coefficient). This value is a function of the air gap between the magnet and the surface.

Table 3: Wall mounting (shearing) - vertical pull
MW 45x35 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	20.69 kg / 45.62 pounds 20694.0 g / 203.0 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	13.80 kg / 30.41 pounds 13796.0 g / 135.3 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	6.90 kg / 15.21 pounds 6898.0 g / 67.7 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	34.49 kg / 76.04 pounds 34490.0 g / 338.3 N

When placing a holder on a upright surface (e.g., a board), it you can count on only approx. 1/5 of its nominal power. Gravity and a weak degree of grip cause that holders move down faster than they detach. Planning a vertical fastening? Note that the shear force is significantly lower than the maximum static pull force. On a slippery surface, the holder will slip down under a much lighter cargo. Application of an anti-slip pad can effectively raise the stability.

Table 4: Material efficiency (saturation) - sheet metal selection
MW 45x35 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	3%	2.30 kg / 5.07 pounds 2299.3 g / 22.6 N
1 mm	8%	5.75 kg / 12.67 pounds 5748.3 g / 56.4 N
2 mm	17%	11.50 kg / 25.35 pounds 11496.7 g / 112.8 N
3 mm	25%	17.25 kg / 38.02 pounds 17245.0 g / 169.2 N
5 mm	42%	28.74 kg / 63.36 pounds 28741.7 g / 282.0 N
10 mm	83%	57.48 kg / 126.73 pounds 57483.3 g / 563.9 N
11 mm	92%	63.23 kg / 139.40 pounds 63231.7 g / 620.3 N
12 mm	100%	68.98 kg / 152.07 pounds 68980.0 g / 676.7 N

A thin sheet is unable to absorb the entire magnetic field, which squanders power of the holder. Should you install a neodymium to a weak sheet, the flux will pass right through and the pull force will drop sharply. To squeeze 100% of this neodymium's potential, you need a suitably thick backing of metal. The saturation effect causes that on delicate walls (e.g., car bodies), the holder shows lower pull force. We suggest choosing the steel thickness from these parameters.

Table 5: Thermal stability (stability) - power drop
MW 45x35 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	68.98 kg / 152.07 pounds 68980.0 g / 676.7 N	OK
40 °C	-2.2%	67.46 kg / 148.73 pounds 67462.4 g / 661.8 N	OK
60 °C	-4.4%	65.94 kg / 145.38 pounds 65944.9 g / 646.9 N	OK
80 °C	-6.6%	64.43 kg / 142.04 pounds 64427.3 g / 632.0 N
100 °C	-28.8%	49.11 kg / 108.28 pounds 49113.8 g / 481.8 N

Ordinary NdFeB products irreversibly lose parameters above the temperature limit. Avoid high temperatures – high temperature can permanently demagnetize this product. As the temperature rises, the neodymium's power briefly decreases. Avoid using this product near heat sources higher than its working range. Exceeding the critical threshold will lead to permanent loss of magnetic properties.

*Technical advisory: Temperature resistance depends not only on the material grade, and the Permeance Coefficient Pc. Thin magnets (pancake types) risk losing magnetic properties at lower temperatures compared to rod magnets. Warning indicator in the table signals permanent field degradation for this specific geometry.

Table 6: Two magnets (attraction) - forces in the system
MW 45x35 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Lateral Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	266.45 kg / 587.43 pounds 5 900 Gs	39.97 kg / 88.11 pounds 39968 g / 392.1 N	N/A
1 mm	254.93 kg / 562.03 pounds 10 198 Gs	38.24 kg / 84.30 pounds 38240 g / 375.1 N	229.44 kg / 505.82 pounds ~0 Gs
2 mm	243.39 kg / 536.59 pounds 9 965 Gs	36.51 kg / 80.49 pounds 36509 g / 358.2 N	219.05 kg / 482.93 pounds ~0 Gs
3 mm	232.10 kg / 511.70 pounds 9 731 Gs	34.82 kg / 76.76 pounds 34816 g / 341.5 N	208.89 kg / 460.53 pounds ~0 Gs
5 mm	210.35 kg / 463.75 pounds 9 264 Gs	31.55 kg / 69.56 pounds 31553 g / 309.5 N	189.32 kg / 417.37 pounds ~0 Gs
10 mm	161.53 kg / 356.11 pounds 8 118 Gs	24.23 kg / 53.42 pounds 24229 g / 237.7 N	145.37 kg / 320.49 pounds ~0 Gs
20 mm	89.86 kg / 198.12 pounds 6 055 Gs	13.48 kg / 29.72 pounds 13480 g / 132.2 N	80.88 kg / 178.30 pounds ~0 Gs
50 mm	14.04 kg / 30.96 pounds 2 394 Gs	2.11 kg / 4.64 pounds 2107 g / 20.7 N	12.64 kg / 27.87 pounds ~0 Gs
60 mm	7.92 kg / 17.47 pounds 1 798 Gs	1.19 kg / 2.62 pounds 1188 g / 11.7 N	7.13 kg / 15.72 pounds ~0 Gs
70 mm	4.63 kg / 10.21 pounds 1 375 Gs	0.69 kg / 1.53 pounds 695 g / 6.8 N	4.17 kg / 9.19 pounds ~0 Gs
80 mm	2.80 kg / 6.18 pounds 1 070 Gs	0.42 kg / 0.93 pounds 421 g / 4.1 N	2.52 kg / 5.56 pounds ~0 Gs
90 mm	1.75 kg / 3.87 pounds 846 Gs	0.26 kg / 0.58 pounds 263 g / 2.6 N	1.58 kg / 3.48 pounds ~0 Gs
100 mm	1.13 kg / 2.49 pounds 679 Gs	0.17 kg / 0.37 pounds 170 g / 1.7 N	1.02 kg / 2.24 pounds ~0 Gs

Two strong neodymiums attract each other from a significantly greater distance than a neodymium and metal setup. Such a system of two magnets creates a more powerful interaction and a further horizon of performance. Want to build a powerful holder? Apply two magnets instead of a neodymium and a striker plate. Be careful that when connecting a pair of magnets, the impact force is huge. The repulsion force is a bit weaker than the attraction, but still large.
*Field value between like poles is approximately ~0 Gs at the midpoint between the magnets (due to field cancellation).
Important: Calculations apply to sliding force of dual matching magnets (friction ~0.15 for Ni-Ni plating).

Table 7: Hazards (implants) - warnings
MW 45x35 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	26.5 cm
Hearing aid	10 Gs (1.0 mT)	20.5 cm
Mechanical watch	20 Gs (2.0 mT)	16.0 cm
Phone / Smartphone	40 Gs (4.0 mT)	12.5 cm
Car key	50 Gs (5.0 mT)	11.5 cm
Payment card	400 Gs (40.0 mT)	5.0 cm
HDD hard drive	600 Gs (60.0 mT)	4.0 cm

A strong magnetic field is a large risk to IT equipment and medical implants. These neodymiums produce a field that destroys function of sensitive medical devices. Notice: the invisible magnetic field acts through matter and housings. Exceptional care must be exercised by people with hearing aids and insulin pumps. The risk also applies to: mechanical watches, car keys, membranes, and displays. Avoid contact with magnetic cards, hard drives, or sensitive navigation tools.

Table 8: Collisions (cracking risk) - collision effects
MW 45x35 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	15.46 km/h (4.29 m/s)	3.85 J
30 mm	22.87 km/h (6.35 m/s)	8.42 J
50 mm	29.06 km/h (8.07 m/s)	13.61 J
100 mm	41.00 km/h (11.39 m/s)	27.07 J

NdFeB products are very brittle – a strong collision with metal risks their cracking. Pay attention to connection velocity – a neodymium left loose turns into a projectile. Impact energy can destroy the magnet or painful pinches to skin. Always hold the magnet during bringing near metal so it doesn't slam with momentum against the steel surface. A contact at a velocity of dozens of km/h ends with a crack of the magnet. Use safety goggles when playing with powerful specimens.

Table 9: Surface protection spec
MW 45x35 / 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 SST (salt spray test) is an industry standard for determining coating lifespan in harsh conditions. Note the thickness of the protective layer.

Table 10: Electrical data (Flux)
MW 45x35 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	83 921 Mx	839.2 µWb
P_c Coefficient	0.78	High (Stable)

Flux value emitted by the pole surface. Key data in coil applications as well as sensors. The P_c coefficient defines the magnet's operating point.

Table 11: Hydrostatics and buoyancy
MW 45x35 / N38

Environment	Effective steel pull	Effect
Air (land)	68.98 kg	Standard
Water (riverbed)	78.98 kg (+10.00 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!

In water, the magnet feels stronger thanks to Archimedes' principle. Buoyancy helps in lifting finds.

1. Sliding resistance

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

2. Efficiency vs thickness

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

3. Thermal stability

*For N38 grade, the max working temp is 80°C.

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.78

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

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%

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: 010074-2026

Magnet Unit Converter

Pulling force

Force in kg

Force (N)

Force in lbs

Magnetic Field

Gauss (Gs)

Induction (T)

Input a figure in just one field to see the conversion in the other units at once.

View also offers

Product available Ships today (order by 14:00)

UMGW 25x17x8 [M5] GW / N38 - magnetic holder internal thread

11.91 ZŁ brutto / pcs

Product available Ships today (order by 14:00)

MW 45x25 / N38 - cylindrical magnet

101.55 ZŁ brutto / pcs

Product available Ships today (order by 14:00)

UMGW 75x33x18 [M10] GW / N38 - magnetic holder internal thread

189.91 ZŁ brutto / pcs

Product available Ships today (order by 14:00)

NC NeoCube fi 5 mm kuleczki kolorowe / N38 - neocube

49.99 ZŁ brutto / pcs

The presented product is an extremely powerful cylindrical magnet, composed of modern NdFeB material, which, with dimensions of Ø45x35 mm, guarantees maximum efficiency. The MW 45x35 / N38 model boasts high dimensional repeatability and professional build quality, making it an excellent solution for professional engineers and designers. As a magnetic rod with significant force (approx. 68.98 kg), this product is available off-the-shelf from our European logistics center, ensuring lightning-fast order fulfillment. Moreover, its triple-layer Ni-Cu-Ni coating secures it against corrosion in typical operating conditions, ensuring an aesthetic appearance and durability for years.

This model is created for building electric motors, advanced sensors, and efficient magnetic separators, where field concentration on a small surface counts. Thanks to the high power of 676.73 N with a weight of only 417.49 g, this cylindrical magnet is indispensable in miniature devices and wherever every gram matters.

Due to the delicate structure of the ceramic sinter, we absolutely advise against force-fitting (so-called press-fit), as this risks chipping the coating of this precision component. To ensure long-term durability in industry, anaerobic resins are used, which do not react with the nickel coating and fill the gap, guaranteeing durability of the connection.

Magnets NdFeB grade N38 are suitable for 90% of applications in automation and machine building, where excessive miniaturization with maximum force is not required. If you need even stronger magnets in the same volume (Ø45x35), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard in continuous sale in our store.

This model is characterized by dimensions Ø45x35 mm, which, at a weight of 417.49 g, makes it an element with impressive magnetic energy density. The value of 676.73 N means that the magnet is capable of holding a weight many times exceeding its own mass of 417.49 g. The product has a [NiCuNi] coating, which secures it against external factors, giving it an aesthetic, silvery shine.

This cylinder is magnetized axially (along the height of 35 mm), which means that the N and S poles are located on the flat, circular surfaces. Such an arrangement is most desirable when connecting magnets in stacks (e.g., in filters) or when mounting in sockets at the bottom of a hole. On request, we can also produce versions magnetized diametrically if your project requires it.

Strengths as well as weaknesses of rare earth magnets.

Advantages

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

They virtually do not lose power, because even after 10 years the decline in efficiency is only ~1% (in laboratory conditions),
They are extremely resistant to demagnetization induced by presence of other magnetic fields,
The use of an elegant coating of noble metals (nickel, gold, silver) causes the element to present itself better,
They feature high magnetic induction at the operating surface, which increases their power,
Due to their durability and thermal resistance, neodymium magnets can operate (depending on the shape) even at high temperatures reaching 230°C or more...
Thanks to the potential of free forming and customization to unique projects, neodymium magnets can be modeled in a wide range of forms and dimensions, which amplifies use scope,
Significant place in advanced technology sectors – they find application in hard drives, electromotive mechanisms, precision medical tools, as well as other advanced devices.
Thanks to efficiency per cm³, small magnets offer high operating force, in miniature format,

Weaknesses

Disadvantages of neodymium magnets:

At strong impacts they can crack, therefore we recommend placing them in strong housings. A metal housing provides additional protection against damage and increases the magnet's durability.
When exposed to high temperature, neodymium magnets suffer a drop in force. 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
When exposed to humidity, magnets start to rust. To use them in conditions outside, it is recommended to use protective magnets, such as those in rubber or plastics, which secure oxidation and corrosion.
Limited possibility of creating nuts in the magnet and complex shapes - recommended is a housing - magnet mounting.
Possible danger related to microscopic parts of magnets can be dangerous, when accidentally swallowed, which gains importance in the context of child health protection. Additionally, small components of these products can disrupt the diagnostic process medical when they are in the body.
High unit price – neodymium magnets have a higher price than other types of magnets (e.g. ferrite), which can limit application in large quantities

Lifting parameters

Maximum lifting capacity of the magnet – what affects it?

The specified lifting capacity refers to the limit force, recorded under ideal test conditions, specifically:

on a block made of mild steel, effectively closing the magnetic flux
with a thickness of at least 10 mm
characterized by lack of roughness
without any insulating layer between the magnet and steel
during detachment in a direction perpendicular to the mounting surface
in stable room temperature

Practical aspects of lifting capacity – factors

In real-world applications, the real power results from many variables, listed from crucial:

Space between surfaces – every millimeter of distance (caused e.g. by veneer or unevenness) drastically reduces the pulling force, often by half at just 0.5 mm.
Pull-off angle – remember that the magnet has greatest strength perpendicularly. Under sliding down, the holding force drops drastically, often to levels of 20-30% of the nominal value.
Base massiveness – insufficiently thick steel does not accept the full field, causing part of the flux to be wasted into the air.
Material composition – different alloys attracts identically. High carbon content weaken the attraction effect.
Surface condition – ground elements ensure maximum contact, which improves field saturation. Uneven metal weaken the grip.
Thermal factor – high temperature weakens pulling force. Exceeding the limit temperature can permanently damage the magnet.

Lifting capacity was assessed by applying a steel plate with a smooth surface of suitable thickness (min. 20 mm), under perpendicular detachment force, in contrast under attempts to slide the magnet the holding force is lower. Moreover, even a small distance between the magnet and the plate decreases the load capacity.

Warnings

Medical interference

Health Alert: Strong magnets can turn off pacemakers and defibrillators. Do not approach if you have medical devices.

Hand protection

Pinching hazard: The pulling power is so immense that it can result in blood blisters, pinching, and broken bones. Protective gloves are recommended.

Do not overheat magnets

Keep cool. Neodymium magnets are susceptible to temperature. If you require resistance above 80°C, look for HT versions (H, SH, UH).

Safe distance

Intense magnetic fields can corrupt files on payment cards, hard drives, and storage devices. Stay away of at least 10 cm.

Adults only

These products are not toys. Accidental ingestion of several magnets may result in them pinching intestinal walls, which constitutes a direct threat to life and requires urgent medical intervention.

Dust explosion hazard

Mechanical processing of neodymium magnets carries a risk of fire hazard. Neodymium dust oxidizes rapidly with oxygen and is hard to extinguish.

Magnets are brittle

Neodymium magnets are sintered ceramics, which means they are prone to chipping. Clashing of two magnets leads to them shattering into shards.

Sensitization to coating

Studies show that nickel (the usual finish) is a strong allergen. For allergy sufferers, prevent touching magnets with bare hands and select versions in plastic housing.

Handling rules

Before use, read the rules. Sudden snapping can destroy the magnet or hurt your hand. Be predictive.

Impact on smartphones

Navigation devices and smartphones are extremely sensitive to magnetic fields. Direct contact with a strong magnet can permanently damage the internal compass in your phone.

Caution! Want to know more? Check our post: Are neodymium magnets dangerous?

MW 45x35 / N38 - cylindrical magnet

Product card - MW 45x35 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Physical analysis of the magnet - data

Table 1: Static pull force (pull vs gap) - characteristics MW 45x35 / N38

Table 2: Slippage capacity (wall) MW 45x35 / N38

Table 3: Wall mounting (shearing) - vertical pull MW 45x35 / N38

Table 4: Material efficiency (saturation) - sheet metal selection MW 45x35 / N38

Table 5: Thermal stability (stability) - power drop MW 45x35 / N38

Table 6: Two magnets (attraction) - forces in the system MW 45x35 / N38

Table 7: Hazards (implants) - warnings MW 45x35 / N38

Table 8: Collisions (cracking risk) - collision effects MW 45x35 / N38

Table 9: Surface protection spec MW 45x35 / N38

Table 10: Electrical data (Flux) MW 45x35 / N38

Table 11: Hydrostatics and buoyancy MW 45x35 / N38

1. Sliding resistance

2. Efficiency vs thickness

3. Thermal stability

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

Elemental analysis

Ecology and recycling (GPSR)

Pulling force

Magnetic Field

View also offers

UMGW 25x17x8 [M5] GW / N38 - magnetic holder internal thread

MW 45x25 / N38 - cylindrical magnet

UMGW 75x33x18 [M10] GW / N38 - magnetic holder internal thread

NC NeoCube fi 5 mm kuleczki kolorowe / N38 - neocube

Strengths as well as weaknesses of rare earth magnets.

Advantages

Weaknesses

Lifting parameters

Maximum lifting capacity of the magnet – what affects it?

Practical aspects of lifting capacity – factors

Warnings

Medical interference

Hand protection

Do not overheat magnets

Safe distance

Adults only

Dust explosion hazard

Magnets are brittle

Sensitization to coating

Handling rules

Impact on smartphones

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static pull force (pull vs gap) - characteristics
MW 45x35 / N38

Table 2: Slippage capacity (wall)
MW 45x35 / N38

Table 3: Wall mounting (shearing) - vertical pull
MW 45x35 / N38

Table 4: Material efficiency (saturation) - sheet metal selection
MW 45x35 / N38

Table 5: Thermal stability (stability) - power drop
MW 45x35 / N38

Table 6: Two magnets (attraction) - forces in the system
MW 45x35 / N38

Table 7: Hazards (implants) - warnings
MW 45x35 / N38

Table 8: Collisions (cracking risk) - collision effects
MW 45x35 / N38

Table 9: Surface protection spec
MW 45x35 / N38

Table 10: Electrical data (Flux)
MW 45x35 / N38

Table 11: Hydrostatics and buoyancy
MW 45x35 / N38