Neodymium magnets: strength you're looking for

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UI 45x13x6 [C321] / N38 - badge holder

badge holder

Catalog no 150209

GTIN/EAN: 5906301813569

5.00

length

45 mm [±1 mm]

Width

13 mm [±1 mm]

Height

6 mm [±1 mm]

Weight

0.15 g

Load capacity

1.75 kg / 17.16 N

2.40 with VAT / pcs + price for transport

1.950 ZŁ net + 23% VAT / pcs

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Specifications along with form of magnets can be tested with our magnetic calculator.

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Physical properties - UI 45x13x6 [C321] / N38 - badge holder

Specification / characteristics - UI 45x13x6 [C321] / N38 - badge holder

properties
properties values
Cat. no. 150209
GTIN/EAN 5906301813569
Production/Distribution Dhit sp. z o.o.
ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin Poland / China / Germany
Customs code 85059029
length 45 mm [±1 mm]
Width 13 mm [±1 mm]
Height 6 mm [±1 mm]
Weight 0.15 g
Load capacity ~ ? 1.75 kg / 17.16 N
Manufacturing Tolerance ±1 mm

Magnetic properties of material N38

Specification / characteristics UI 45x13x6 [C321] / N38 - badge holder
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

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: 150209-2026
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Magnet pull force

Magnetic Field

Other deals

The magnetic holder is safe for delicate fabrics, expensive suits, silk, and shirts. Thanks to this, the badge looks professional, straight, and aesthetic all day long. It's a standard solution at conferences, trade fairs, and in companies caring about image.
The set includes a strip with magnets (put under clothes) and a steel plate with tape (on the outside). Thanks to branded foam tape, badge mounting is instant, durable, and sure. The plastic magnet housing is pleasant to the touch, smooth, and safe for the user.
Yes, the neodymium magnets used are very strong and hold even through thick materials. A larger number of magnetic points prevents the badge from twisting.
There is a risk of disrupting pacemaker operation by a strong magnetic field, so we advise against this solution for people with implants. The magnetic field is point-based, short-range, and does not negatively affect a healthy person's body.
Yes, we are a direct importer and fulfill large wholesale orders. You can order samples to check the quality before a larger purchase.

Advantages as well as disadvantages of Nd2Fe14B magnets.

Benefits

Besides their magnetic performance, neodymium magnets are valued for these benefits:
  • Their magnetic field is maintained, and after around ten years it drops only by ~1% (according to research),
  • Neodymium magnets are highly resistant to loss of magnetic properties caused by external magnetic fields,
  • A magnet with a smooth nickel surface looks better,
  • Magnetic induction on the top side of the magnet remains exceptional,
  • Through (appropriate) combination of ingredients, they can achieve high thermal resistance, allowing for functioning at temperatures approaching 230°C and above...
  • Possibility of custom creating and adapting to concrete needs,
  • Huge importance in advanced technology sectors – they find application in mass storage devices, electric motors, diagnostic systems, also technologically advanced constructions.
  • Compactness – despite small sizes they generate large force, making them ideal for precision applications

Weaknesses

Disadvantages of NdFeB magnets:
  • At strong impacts they can crack, therefore we advise placing them in strong housings. A metal housing provides additional protection against damage and increases the magnet's durability.
  • NdFeB magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop of strength (a factor is the shape and dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are very resistant to heat
  • Magnets exposed to a humid environment can corrode. Therefore while using outdoors, we suggest using waterproof magnets made of rubber, plastic or other material resistant to moisture
  • We recommend cover - magnetic holder, due to difficulties in realizing nuts inside the magnet and complex forms.
  • Possible danger resulting from small fragments of magnets pose a threat, in case of ingestion, which is particularly important in the context of child safety. Furthermore, small components of these products are able to disrupt the diagnostic process medical after entering the body.
  • With budget limitations the cost of neodymium magnets is a challenge,

Lifting parameters

Breakaway strength of the magnet in ideal conditionswhat contributes to it?

The force parameter is a measurement result performed under the following configuration:
  • with the contact of a yoke made of low-carbon steel, ensuring maximum field concentration
  • whose transverse dimension is min. 10 mm
  • with a surface cleaned and smooth
  • with total lack of distance (without coatings)
  • for force acting at a right angle (in the magnet axis)
  • in stable room temperature

What influences lifting capacity in practice

Real force is influenced by specific conditions, including (from priority):
  • Clearance – existence of any layer (rust, tape, air) interrupts the magnetic circuit, which reduces power steeply (even by 50% at 0.5 mm).
  • Angle of force application – maximum parameter is available only during perpendicular pulling. The shear force of the magnet along the plate is usually several times lower (approx. 1/5 of the lifting capacity).
  • Substrate thickness – to utilize 100% power, the steel must be adequately massive. Paper-thin metal restricts the lifting capacity (the magnet "punches through" it).
  • Metal type – not every steel attracts identically. High carbon content worsen the attraction effect.
  • Surface condition – ground elements guarantee perfect abutment, which improves field saturation. Uneven metal weaken the grip.
  • Temperature – temperature increase causes a temporary drop of induction. Check the thermal limit for a given model.

Lifting capacity testing was conducted on a smooth plate of suitable thickness, under perpendicular forces, however under parallel forces the holding force is lower. Moreover, even a slight gap between the magnet’s surface and the plate reduces the load capacity.

H&S for magnets
Avoid contact if allergic

Allergy Notice: The Ni-Cu-Ni coating contains nickel. If skin irritation happens, immediately stop working with magnets and use protective gear.

Crushing force

Risk of injury: The pulling power is so immense that it can result in blood blisters, crushing, and even bone fractures. Protective gloves are recommended.

Life threat

For implant holders: Strong magnetic fields affect medical devices. Maintain minimum 30 cm distance or ask another person to handle the magnets.

Mechanical processing

Fire warning: Neodymium dust is highly flammable. Avoid machining magnets in home conditions as this may cause fire.

Handling rules

Use magnets with awareness. Their powerful strength can surprise even professionals. Be vigilant and do not underestimate their force.

Risk of cracking

NdFeB magnets are sintered ceramics, which means they are very brittle. Clashing of two magnets will cause them shattering into small pieces.

Do not give to children

Absolutely keep magnets out of reach of children. Ingestion danger is high, and the consequences of magnets clamping inside the body are life-threatening.

Magnetic interference

A strong magnetic field interferes with the functioning of magnetometers in phones and GPS navigation. Maintain magnets near a smartphone to prevent breaking the sensors.

Power loss in heat

Avoid heat. Neodymium magnets are susceptible to temperature. If you require resistance above 80°C, ask us about HT versions (H, SH, UH).

Threat to electronics

Very strong magnetic fields can corrupt files on credit cards, hard drives, and other magnetic media. Keep a distance of min. 10 cm.

Safety First! Learn more about hazards in the article: Safety of working with magnets.
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98