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UI 33x13x4 [C311] / N38 - badge holder
badge holder
Catalog no 150207
GTIN/EAN: 5906301813545
length
33 mm [±1 mm]
Width
13 mm [±1 mm]
Height
4 mm [±1 mm]
Weight
0.21 g
Load capacity
1.80 kg / 17.65 N
2.40 ZŁ with VAT / pcs + price for transport
1.950 ZŁ net + 23% VAT / pcs
bulk discounts:
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Product card - UI 33x13x4 [C311] / N38 - badge holder
Specification / characteristics - UI 33x13x4 [C311] / N38 - badge holder
| properties | values |
|---|---|
| Cat. no. | 150207 |
| GTIN/EAN | 5906301813545 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| length | 33 mm [±1 mm] |
| Width | 13 mm [±1 mm] |
| Height | 4 mm [±1 mm] |
| Weight | 0.21 g |
| Load capacity ~ ? | 1.80 kg / 17.65 N |
| Manufacturing Tolerance | ±1 mm |
Magnetic properties of material N38
| 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 |
Material specification
| 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 |
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Advantages and disadvantages of neodymium magnets.
Advantages
- They retain attractive force for nearly ten years – the drop is just ~1% (according to analyses),
- They feature excellent resistance to magnetic field loss as a result of external fields,
- A magnet with a metallic gold surface has better aesthetics,
- Magnetic induction on the working layer of the magnet is exceptional,
- Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and can function (depending on the form) even at a temperature of 230°C or more...
- Possibility of individual forming as well as modifying to complex applications,
- Universal use in modern technologies – they find application in magnetic memories, electric motors, medical devices, and industrial machines.
- Relatively small size with high pulling force – neodymium magnets offer high power in compact dimensions, which allows their use in compact constructions
Cons
- They are prone to damage upon too strong impacts. To avoid cracks, it is worth securing magnets in a protective case. Such protection not only protects the magnet but also improves its resistance to damage
- Neodymium magnets lose their force under the influence of heating. As soon as 80°C is exceeded, many of them start losing their force. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
- Magnets exposed to a humid environment can corrode. Therefore when using outdoors, we recommend using waterproof magnets made of rubber, plastic or other material resistant to moisture
- Due to limitations in producing threads and complex forms in magnets, we propose using casing - magnetic mechanism.
- Possible danger resulting from small fragments of magnets pose a threat, if swallowed, which gains importance in the aspect of protecting the youngest. It is also worth noting that small components of these magnets can be problematic in diagnostics medical in case of swallowing.
- With budget limitations the cost of neodymium magnets can be a barrier,
Lifting parameters
Highest magnetic holding force – what affects it?
- with the contact of a sheet made of low-carbon steel, guaranteeing full magnetic saturation
- whose transverse dimension equals approx. 10 mm
- characterized by smoothness
- without the slightest insulating layer between the magnet and steel
- during detachment in a direction vertical to the mounting surface
- at ambient temperature approx. 20 degrees Celsius
What influences lifting capacity in practice
- Distance – the presence of any layer (paint, dirt, gap) interrupts the magnetic circuit, which lowers capacity rapidly (even by 50% at 0.5 mm).
- Angle of force application – maximum parameter is obtained only during perpendicular pulling. The force required to slide of the magnet along the plate is standardly many times lower (approx. 1/5 of the lifting capacity).
- Element thickness – for full efficiency, the steel must be adequately massive. Thin sheet restricts the lifting capacity (the magnet "punches through" it).
- Material type – ideal substrate is high-permeability steel. Cast iron may attract less.
- Base smoothness – the more even the surface, the better the adhesion and stronger the hold. Roughness acts like micro-gaps.
- Temperature – heating the magnet causes a temporary drop of force. Check the thermal limit for a given model.
Holding force was tested on the plate surface of 20 mm thickness, when a perpendicular force was applied, whereas under parallel forces the load capacity is reduced by as much as 5 times. Additionally, even a minimal clearance between the magnet’s surface and the plate lowers the load capacity.
Safety rules for work with NdFeB magnets
Magnetic media
Very strong magnetic fields can corrupt files on credit cards, HDDs, and other magnetic media. Keep a distance of at least 10 cm.
Medical interference
Life threat: Neodymium magnets can turn off heart devices and defibrillators. Do not approach if you have electronic implants.
Protective goggles
NdFeB magnets are ceramic materials, which means they are fragile like glass. Impact of two magnets will cause them cracking into small pieces.
Threat to navigation
A strong magnetic field negatively affects the operation of magnetometers in smartphones and navigation systems. Maintain magnets close to a device to prevent damaging the sensors.
Operating temperature
Standard neodymium magnets (N-type) lose power when the temperature goes above 80°C. The loss of strength is permanent.
Warning for allergy sufferers
It is widely known that nickel (the usual finish) is a common allergen. If your skin reacts to metals, refrain from touching magnets with bare hands and choose coated magnets.
Handling rules
Use magnets consciously. Their huge power can surprise even professionals. Plan your moves and respect their power.
Flammability
Powder created during grinding of magnets is flammable. Do not drill into magnets without proper cooling and knowledge.
Choking Hazard
Absolutely keep magnets out of reach of children. Ingestion danger is high, and the effects of magnets connecting inside the body are fatal.
Finger safety
Large magnets can crush fingers instantly. Under no circumstances place your hand between two strong magnets.
Tabela kosztu i czasu dostawy
Płatność przed wysyłką:
GLS kurier
Przesyłka będzie u Ciebie za 2-3 dni
14.99 ZŁ
InPost Paczkomaty 24/7
Przesyłka będzie u Ciebie za 1-2 dni
12.30 ZŁ
Płatność przy odbiorze (pobranie):
GLS kurier
Przesyłka będzie u Ciebie za 1-2 dni
23.00 ZŁ
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