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SM 32x250 [2xM8] / N52 - magnetic separator

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

magnetic separator

Catalog no 130362

GTIN/EAN: 5906301813101

Diameter Ø

32 mm [±1 mm]

Height

250 mm [±1 mm]

Weight

1285 g

Magnetic Flux

~ 10 000 Gauss [±5%]

824.10 ZŁ with VAT / pcs + price for transport

670.00 ZŁ net + 23% VAT / pcs

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Carbon Footprint – environmental impact GPSR Regulation – product safety

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Call us now +48 22 499 98 98 or get in touch through request form through our site.
Weight as well as structure of a magnet can be calculated on our magnetic mass calculator.

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SM 32x250 [2xM8] / N52 - magnetic separator

Specification / characteristics SM 32x250 [2xM8] / N52 - magnetic separator

properties

properties	values
Cat. no.	130362
GTIN/EAN	5906301813101
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	32 mm [±1 mm]
Height	250 mm [±1 mm]
Weight	1285 g
Material Type	Stainless steel AISI 304 / A2
Magnetic Flux	~ 10 000 Gauss [±5%]
Size/Mount Quantity	2xM8
Polarity	circumferential - 9 poles
Casing Tube Thickness	1 mm
Manufacturing Tolerance	±1 mm

Magnetic properties of material N52

Specification / characteristics SM 32x250 [2xM8] / N52 - magnetic separator

properties	values	units
remenance Br [min. - max.] ?	14.2-14.7	kGs
remenance Br [min. - max.] ?	1420-1470	mT
coercivity bHc ?	10.8-12.5	kOe
coercivity bHc ?	860-995	kA/m
actual internal force iHc	≥ 12	kOe
actual internal force iHc	≥ 955	kA/m
energy density [min. - max.] ?	48-53	BH max MGOe
energy density [min. - max.] ?	380-422	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

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: 130362-2025

Magnet Unit Converter

Magnet Pull Force

Force (N)

Pounds (lbs)

Magnetic Induction

Induction (Gs)

Put a figure in just one slot to generate results for the other units at once.

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It is the "heart" of every magnetic filter used in industry for cleaning raw materials. Its task is separation (separation) of metal filings from the transported material. Thanks to the use of strong neodymium magnets, the rod catches even metallic dust.

The rod consists of a cover tube made of high-quality acid-resistant steel (AISI 304 or 316). Inside there is a stack of strong neodymium magnets arranged in a special configuration (magnetic circuit). Thanks to this, the rod is durable, hygienic, and easy to keep clean.

Metal contaminants are strongly attracted, so removing them with a bare hand or glove can be difficult. You can use compressed air or special non-magnetic strippers (rings). For easier operation, it is worth considering ordering a rod in a version with a cleaning sleeve.

Magnetic induction measured in Gauss (Gs) determines the density of magnetic flux on the rod surface. Standard rods (~8000 Gs) are sufficient for catching screws, nails, and steel shavings. High induction is necessary when contaminants are microscopic or weakly magnetic.

Yes, as a manufacturer, we make rods of any length and diameter (standard is dia 25mm and 32mm). We offer various tip options: threaded holes (e.g., M8, M10), protruding screws, flat pivots, mills, or handles. Contact us for a quote on a non-standard dimension.

Advantages and disadvantages of rare earth magnets.

Strengths

In addition to their magnetic capacity, neodymium magnets provide the following advantages:

They virtually do not lose power, because even after ten years the decline in efficiency is only ~1% (based on calculations),
They do not lose their magnetic properties even under close interference source,
The use of an metallic layer of noble metals (nickel, gold, silver) causes the element to have aesthetics,
The surface of neodymium magnets generates a unique magnetic field – this is one of their assets,
Thanks to resistance to high temperature, they are capable of working (depending on the form) even at temperatures up to 230°C and higher...
Thanks to versatility in designing and the ability to customize to complex applications,
Key role in innovative solutions – they serve a role in mass storage devices, motor assemblies, advanced medical instruments, and technologically advanced constructions.
Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications

Disadvantages

Disadvantages of NdFeB magnets:

Susceptibility to cracking is one of their disadvantages. Upon intense impact they can fracture. We advise keeping them in a strong case, which not only protects them against impacts but also increases their durability
Neodymium magnets lose their power under the influence of heating. As soon as 80°C is exceeded, many of them start losing their power. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
Due to the susceptibility of magnets to corrosion in a humid environment, we suggest using waterproof magnets made of rubber, plastic or other material immune to moisture, in case of application outdoors
We recommend a housing - magnetic holder, due to difficulties in producing nuts inside the magnet and complicated shapes.
Possible danger to health – tiny shards of magnets are risky, in case of ingestion, which becomes key in the aspect of protecting the youngest. It is also worth noting that tiny parts of these devices are able to disrupt the diagnostic process medical when they are in the body.
High unit price – neodymium magnets cost more than other types of magnets (e.g. ferrite), which can limit application in large quantities

Lifting parameters

Magnetic strength at its maximum – what affects it?

The declared magnet strength concerns the maximum value, recorded under laboratory conditions, meaning:

with the application of a yoke made of special test steel, guaranteeing full magnetic saturation
whose thickness reaches at least 10 mm
with a plane free of scratches
without the slightest air gap between the magnet and steel
for force applied at a right angle (in the magnet axis)
at standard ambient temperature

Impact of factors on magnetic holding capacity in practice

In real-world applications, the actual lifting capacity is determined by several key aspects, listed from most significant:

Space between surfaces – even a fraction of a millimeter of separation (caused e.g. by veneer or unevenness) diminishes the magnet efficiency, often by half at just 0.5 mm.
Pull-off angle – remember that the magnet holds strongest perpendicularly. Under shear forces, the capacity drops significantly, often to levels of 20-30% of the maximum value.
Element thickness – for full efficiency, the steel must be sufficiently thick. Thin sheet limits the attraction force (the magnet "punches through" it).
Steel grade – ideal substrate is high-permeability steel. Cast iron may have worse magnetic properties.
Smoothness – ideal contact is possible only on smooth steel. Any scratches and bumps create air cushions, reducing force.
Temperature – heating the magnet causes a temporary drop of induction. It is worth remembering the thermal limit for a given model.

Lifting capacity testing was carried out on plates with a smooth surface of suitable thickness, under a perpendicular pulling force, in contrast under attempts to slide the magnet the holding force is lower. Additionally, even a minimal clearance between the magnet’s surface and the plate decreases the lifting capacity.

H&S for magnets

Do not give to children

Product intended for adults. Small elements can be swallowed, causing intestinal necrosis. Keep away from children and animals.

Warning for heart patients

Medical warning: Neodymium magnets can turn off pacemakers and defibrillators. Stay away if you have electronic implants.

Precision electronics

A strong magnetic field negatively affects the functioning of compasses in phones and navigation systems. Do not bring magnets close to a smartphone to avoid damaging the sensors.

Cards and drives

Do not bring magnets near a purse, computer, or screen. The magnetic field can permanently damage these devices and wipe information from cards.

Machining danger

Fire hazard: Neodymium dust is highly flammable. Do not process magnets without safety gear as this risks ignition.

Do not underestimate power

Exercise caution. Rare earth magnets attract from a long distance and snap with massive power, often quicker than you can move away.

Heat sensitivity

Watch the temperature. Exposing the magnet to high heat will permanently weaken its properties and pulling force.

Bodily injuries

Pinching hazard: The pulling power is so immense that it can cause hematomas, pinching, and even bone fractures. Use thick gloves.

Sensitization to coating

Allergy Notice: The Ni-Cu-Ni coating contains nickel. If skin irritation happens, immediately stop handling magnets and wear gloves.

Fragile material

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

Attention! More info about hazards in the article: Magnet Safety Guide.

SM 32x250 [2xM8] / N52 - magnetic separator

Need advice?

SM 32x250 [2xM8] / N52 - magnetic separator

Magnetic properties of material N52

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Chemical composition

Environmental data

Magnet Pull Force

Magnetic Induction

Other offers

MW 2x10 / N38 - cylindrical magnet

BM 380x180x70 [4x M8] - magnetic beam

UI 17.5x5 [C310] / N38 - badge holder

MW 16x9 / N38 - cylindrical magnet

Advantages and disadvantages of rare earth magnets.

Strengths

Disadvantages

Lifting parameters

Magnetic strength at its maximum – what affects it?

Impact of factors on magnetic holding capacity in practice

Do not give to children

Warning for heart patients

Precision electronics

Cards and drives

Machining danger

Do not underestimate power

Heat sensitivity

Bodily injuries

Sensitization to coating

Fragile material

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C