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SMZR 32x125 / N52 - magnetic separator with handle

magnetic separator with handle

Catalog no 140238

GTIN/EAN: 5906301813460

5.00

Diameter Ø

32 mm [±1 mm]

Height

125 mm [±1 mm]

Weight

690 g

Magnetic Flux

~ 10 000 Gauss [±5%]

430.50 with VAT / pcs + price for transport

350.00 ZŁ net + 23% VAT / pcs

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Parameters and structure of neodymium magnets can be estimated with our our magnetic calculator.

Orders placed before 14:00 will be shipped the same business day.

Technical parameters of the product - SMZR 32x125 / N52 - magnetic separator with handle

Specification / characteristics - SMZR 32x125 / N52 - magnetic separator with handle

properties
properties values
Cat. no. 140238
GTIN/EAN 5906301813460
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 125 mm [±1 mm]
Weight 690 g
Material Type Stainless steel AISI 304 / A2
Magnetic Flux ~ 10 000 Gauss [±5%]
Size/Mount Quantity 2xM8
Polarity circumferential - 4 poles
Casing Tube Thickness 1 mm
Manufacturing Tolerance ±1 mm

Magnetic properties of material N52

Specification / characteristics SMZR 32x125 / N52 - magnetic separator with handle
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

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 and environmental data
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: 140238-2025
Magnet Unit Converter
Magnet pull force

Field Strength

Other products

This gripper serves for instant distinction of steel (iron) from non-ferrous metals. Thanks to it, you can easily and quickly assess the value of scrap and avoid mistakes. It can be used to collect scattered nails and screws from hard-to-reach places.
A neodymium magnet attracts only ferromagnetic metals, such as ordinary steel (black) and cast iron. Lack of reaction (attraction) means the tested item is made of non-magnetic material.
Neodymiums are more compact and effective during all-day work at a scrap yard. A lighter tool allows for longer work without wrist and arm pain. This is a modern solution displacing heavy and weak ferrite magnets.
The magnet is completely shielded from mechanical impacts, which extends its lifespan. A solid handle (wooden, rubber, or plastic) ensures a firm and comfortable grip. The tool is durable, drop-resistant, and prepared for hard work.
Standard manual separators (such as SMZR 32x125 / N52) do not have a release mechanism and require manual cleaning. Models with a release lever (so-called grippers with a dropper) are also available in another category. In the case of strong magnets, it is easiest to slide the metal to the side of the housing instead of tearing it straight off.

Advantages and disadvantages of neodymium magnets.

Pros

Besides their remarkable field intensity, neodymium magnets offer the following advantages:
  • They virtually do not lose strength, because even after ten years the decline in efficiency is only ~1% (according to literature),
  • They retain their magnetic properties even under strong external field,
  • In other words, due to the glossy finish of nickel, the element is aesthetically pleasing,
  • Neodymium magnets achieve maximum magnetic induction on a their surface, which increases force concentration,
  • Due to their durability and thermal resistance, neodymium magnets can operate (depending on the form) even at high temperatures reaching 230°C or more...
  • Thanks to modularity in forming and the ability to customize to client solutions,
  • Versatile presence in high-tech industry – they are utilized in HDD drives, brushless drives, medical equipment, also modern systems.
  • Thanks to concentrated force, small magnets offer high operating force, in miniature format,

Cons

Disadvantages of neodymium magnets:
  • They are prone to damage upon heavy impacts. To avoid cracks, it is worth protecting magnets using a steel holder. Such protection not only protects the magnet but also increases its resistance to damage
  • We warn that neodymium magnets can reduce their strength at high temperatures. To prevent this, we suggest our specialized [AH] magnets, which work effectively even at 230°C.
  • They rust in a humid environment. For use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
  • Due to limitations in creating threads and complicated shapes in magnets, we propose using casing - magnetic mount.
  • Health risk resulting from small fragments of magnets pose a threat, when accidentally swallowed, which gains importance in the context of child health protection. Additionally, tiny parts of these magnets can disrupt the diagnostic process medical after entering the body.
  • Due to expensive raw materials, their price exceeds standard values,

Pull force analysis

Detachment force of the magnet in optimal conditionswhat affects it?

The declared magnet strength concerns the peak performance, recorded under ideal test conditions, specifically:
  • on a base made of mild steel, perfectly concentrating the magnetic field
  • possessing a thickness of minimum 10 mm to ensure full flux closure
  • with an polished contact surface
  • under conditions of no distance (metal-to-metal)
  • under axial force vector (90-degree angle)
  • at room temperature

Lifting capacity in real conditions – factors

It is worth knowing that the application force will differ depending on the following factors, in order of importance:
  • Air gap (between the magnet and the plate), because even a tiny distance (e.g. 0.5 mm) can cause a drastic drop in force by up to 50% (this also applies to varnish, rust or debris).
  • Direction of force – maximum parameter is obtained only during pulling at a 90° angle. The force required to slide of the magnet along the plate is usually many times smaller (approx. 1/5 of the lifting capacity).
  • Metal thickness – the thinner the sheet, the weaker the hold. Part of the magnetic field passes through the material instead of converting into lifting capacity.
  • Steel grade – the best choice is pure iron steel. Cast iron may generate lower lifting capacity.
  • Plate texture – ground elements ensure maximum contact, which increases force. Rough surfaces weaken the grip.
  • Operating temperature – NdFeB sinters have a negative temperature coefficient. When it is hot they lose power, and at low temperatures they can be stronger (up to a certain limit).

Lifting capacity was assessed using a polished steel plate of suitable thickness (min. 20 mm), under vertically applied force, whereas under attempts to slide the magnet the load capacity is reduced by as much as 75%. Moreover, even a slight gap between the magnet and the plate reduces the lifting capacity.

Precautions when working with neodymium magnets
Phone sensors

GPS units and smartphones are extremely sensitive to magnetic fields. Direct contact with a powerful NdFeB magnet can decalibrate the internal compass in your phone.

Electronic hazard

Device Safety: Neodymium magnets can damage data carriers and delicate electronics (heart implants, hearing aids, mechanical watches).

Caution required

Before starting, read the rules. Sudden snapping can break the magnet or hurt your hand. Think ahead.

Finger safety

Risk of injury: The pulling power is so immense that it can cause blood blisters, crushing, and broken bones. Use thick gloves.

Nickel allergy

Medical facts indicate that the nickel plating (standard magnet coating) is a potent allergen. If you have an allergy, refrain from direct skin contact and opt for versions in plastic housing.

Danger to the youngest

Neodymium magnets are not toys. Eating multiple magnets can lead to them pinching intestinal walls, which poses 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 may cause fire.

Shattering risk

NdFeB magnets are ceramic materials, meaning they are very brittle. Clashing of two magnets leads to them cracking into small pieces.

ICD Warning

People with a heart stimulator have to maintain an large gap from magnets. The magnetism can interfere with the operation of the life-saving device.

Maximum temperature

Do not overheat. Neodymium magnets are sensitive to temperature. If you need operation above 80°C, inquire about special high-temperature series (H, SH, UH).

Important! More info about hazards in the article: Magnet Safety Guide.
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98