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SM 32x100 [2xM8] / N42 - 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 130296

GTIN/EAN: 5906301812890

Diameter Ø

32 mm [±1 mm]

Height

100 mm [±1 mm]

Weight

536 g

Magnetic Flux

~ 8 000 Gauss [±5%]

307.50 ZŁ with VAT / pcs + price for transport

250.00 ZŁ net + 23% VAT / pcs

bulk discounts:

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price from 1 pcs

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225.00 ZŁ

276.75 ZŁ

Carbon Footprint – environmental impact GPSR Regulation – product safety

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Weight as well as shape of a neodymium magnet can be estimated with our magnetic calculator.

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

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

properties

properties	values
Cat. no.	130296
GTIN/EAN	5906301812890
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	100 mm [±1 mm]
Weight	536 g
Material Type	Stainless steel AISI 304 / A2
Magnetic Flux	~ 8 000 Gauss [±5%]
Size/Mount Quantity	2xM8
Polarity	circumferential - 3 poles
Casing Tube Thickness	1 mm
Manufacturing Tolerance	±1 mm

Magnetic properties of material N42

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

properties	values	units
remenance Br [min. - max.] ?	12.9-13.2	kGs
remenance Br [min. - max.] ?	1290-1320	mT
coercivity bHc ?	10.8-12.0	kOe
coercivity bHc ?	860-955	kA/m
actual internal force iHc	≥ 12	kOe
actual internal force iHc	≥ 955	kA/m
energy density [min. - max.] ?	40-42	BH max MGOe
energy density [min. - max.] ?	318-334	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

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%

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: 130296-2025

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It is the "heart" of every magnetic filter used in industry for cleaning raw materials. It is commonly used for cleaning flour, sugar, plastic granules, as well as oils and coolants. 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). The center is filled with NdFeB magnets and pole pieces, arranged to maximize the field on the tube surface. 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. We recommend sticking packing tape to the cluster of filings and tearing it off together with the contaminants. In industry, cover tubes (so-called Easy Clean system) are used, from which the magnetic insert slides out.

The more Gauss, the smaller and more weakly magnetic particles will be effectively caught. The economical version (8kGs) handles large pieces of metal perfectly. High induction is necessary when contaminants are microscopic or weakly magnetic.

We fulfill individual orders for bars perfectly matched to your machine or separator. The rod end is strictly adapted to the fastening system in your device. Contact us for a quote on a non-standard dimension.

Pros as well as cons of rare earth magnets.

Pros

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

They virtually do not lose power, because even after 10 years the decline in efficiency is only ~1% (in laboratory conditions),
They retain their magnetic properties even under external field action,
In other words, due to the aesthetic layer of gold, the element gains visual value,
Neodymium magnets ensure maximum magnetic induction on a small area, which ensures high operational effectiveness,
Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and can work (depending on the form) even at a temperature of 230°C or more...
Considering the ability of accurate molding and customization to custom requirements, NdFeB magnets can be manufactured in a variety of forms and dimensions, which makes them more universal,
Key role in modern technologies – they serve a role in HDD drives, drive modules, medical devices, and multitasking production systems.
Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications

Weaknesses

Drawbacks and weaknesses of neodymium magnets: tips and applications.

At very strong impacts they can break, therefore we recommend placing them in special holders. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
When exposed to high temperature, neodymium magnets experience a drop in strength. 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. For use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
Due to limitations in realizing threads and complex forms in magnets, we propose using casing - magnetic mount.
Potential hazard related to microscopic parts of magnets are risky, when accidentally swallowed, which is particularly important in the aspect of protecting the youngest. Furthermore, small elements of these products are able to be problematic in diagnostics medical when they are in the body.
Due to complex production process, their price is relatively high,

Pull force analysis

Magnetic strength at its maximum – what contributes to it?

The force parameter is a theoretical maximum value conducted under the following configuration:

using a base made of high-permeability steel, functioning as a ideal flux conductor
with a thickness minimum 10 mm
with an ideally smooth contact surface
with zero gap (without coatings)
during detachment in a direction perpendicular to the plane
at conditions approx. 20°C

Determinants of lifting force in real conditions

Please note that the working load may be lower depending on elements below, starting with the most relevant:

Distance (between the magnet and the plate), as even a very small clearance (e.g. 0.5 mm) leads to a decrease in lifting capacity by up to 50% (this also applies to paint, rust or debris).
Force direction – catalog parameter refers to detachment vertically. When slipping, the magnet holds much less (often approx. 20-30% of maximum force).
Element thickness – for full efficiency, the steel must be sufficiently thick. Thin sheet limits the attraction force (the magnet "punches through" it).
Chemical composition of the base – mild steel attracts best. Higher carbon content decrease magnetic properties and lifting capacity.
Surface quality – the smoother and more polished the surface, the larger the contact zone and stronger the hold. Roughness acts like micro-gaps.
Temperature – heating the magnet results in weakening of induction. Check the maximum operating temperature for a given model.

Lifting capacity testing was performed on plates with a smooth surface of optimal thickness, under perpendicular forces, in contrast under shearing force the holding force is lower. Moreover, even a slight gap between the magnet’s surface and the plate decreases the holding force.

Safety rules for work with neodymium magnets

Permanent damage

Standard neodymium magnets (grade N) lose power when the temperature exceeds 80°C. Damage is permanent.

This is not a toy

Neodymium magnets are not intended for children. Swallowing multiple magnets may result in them pinching intestinal walls, which constitutes a critical condition and requires urgent medical intervention.

Fire risk

Combustion risk: Neodymium dust is highly flammable. Do not process magnets in home conditions as this risks ignition.

Shattering risk

Despite metallic appearance, neodymium is delicate and not impact-resistant. Avoid impacts, as the magnet may shatter into hazardous fragments.

Metal Allergy

It is widely known that nickel (standard magnet coating) is a common allergen. If your skin reacts to metals, refrain from touching magnets with bare hands or select encased magnets.

Warning for heart patients

Warning for patients: Strong magnetic fields affect medical devices. Keep minimum 30 cm distance or ask another person to work with the magnets.

Serious injuries

Big blocks can break fingers instantly. Do not put your hand betwixt two attracting surfaces.

Immense force

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

Electronic devices

Avoid bringing magnets near a wallet, laptop, or TV. The magnetic field can permanently damage these devices and wipe information from cards.

Keep away from electronics

Remember: rare earth magnets produce a field that disrupts sensitive sensors. Keep a separation from your mobile, tablet, and navigation systems.

Warning! Want to know more? Read our article: Why are neodymium magnets dangerous?

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

Want to negotiate?

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

Magnetic properties of material N42

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Elemental analysis

Environmental data

Force (pull)

Magnetic Induction

Other offers

MW 29x10 / N38 - cylindrical magnet

MW 4x6 / N38 - cylindrical magnet

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

SM 25x350 [2xM8] / N42 - magnetic separator

Pros as well as cons of rare earth magnets.

Pros

Weaknesses

Pull force analysis

Magnetic strength at its maximum – what contributes to it?

Determinants of lifting force in real conditions

Permanent damage

This is not a toy

Fire risk

Shattering risk

Metal Allergy

Warning for heart patients

Serious injuries

Immense force

Electronic devices

Keep away from electronics

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C