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UI 45x13x5 [M301] / N38 - badge holder
badge holder
Catalog no 150208
GTIN/EAN: 5906301813552
length
45 mm [±1 mm]
Width
13 mm [±1 mm]
Height
5 mm [±1 mm]
Weight
0.14 g
Load capacity
1.10 kg / 10.79 N
2.40 ZŁ with VAT / pcs + price for transport
1.950 ZŁ net + 23% VAT / pcs
bulk discounts:
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Weight and structure of neodymium magnets can be estimated with our
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Physical properties - UI 45x13x5 [M301] / N38 - badge holder
Specification / characteristics - UI 45x13x5 [M301] / N38 - badge holder
| properties | values |
|---|---|
| Cat. no. | 150208 |
| GTIN/EAN | 5906301813552 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| length | 45 mm [±1 mm] |
| Width | 13 mm [±1 mm] |
| Height | 5 mm [±1 mm] |
| Weight | 0.14 g |
| Load capacity ~ ? | 1.10 kg / 10.79 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 |
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 |
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Strengths and weaknesses of rare earth magnets.
Benefits
- They have unchanged lifting capacity, and over around ten years their attraction force decreases symbolically – ~1% (in testing),
- Magnets very well resist against loss of magnetization caused by foreign field sources,
- In other words, due to the aesthetic finish of silver, the element gains a professional look,
- They show high magnetic induction at the operating surface, which improves attraction properties,
- Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their form) at temperatures up to 230°C and above...
- Possibility of individual machining as well as adapting to individual conditions,
- Significant place in high-tech industry – they are commonly used in mass storage devices, motor assemblies, advanced medical instruments, and other advanced devices.
- Compactness – despite small sizes they generate large force, making them ideal for precision applications
Weaknesses
- At very strong impacts they can crack, 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 suffer a drop in force. Often, when the temperature exceeds 80°C, their strength decreases (depending on the size, as well as shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
- They oxidize in a humid environment. For use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
- Limited possibility of creating nuts in the magnet and complex shapes - recommended is casing - magnetic holder.
- Health risk resulting from small fragments of magnets can be dangerous, if swallowed, which becomes key in the aspect of protecting the youngest. Furthermore, small components of these magnets can disrupt the diagnostic process medical after entering the body.
- High unit price – neodymium magnets are more expensive than other types of magnets (e.g. ferrite), which can limit application in large quantities
Holding force characteristics
Optimal lifting capacity of a neodymium magnet – what it depends on?
- on a plate made of mild steel, effectively closing the magnetic field
- with a cross-section no less than 10 mm
- with a plane cleaned and smooth
- under conditions of ideal adhesion (metal-to-metal)
- during detachment in a direction perpendicular to the plane
- at conditions approx. 20°C
Lifting capacity in practice – influencing factors
- Clearance – existence of any layer (rust, dirt, air) interrupts the magnetic circuit, which lowers power rapidly (even by 50% at 0.5 mm).
- Force direction – note that the magnet holds strongest perpendicularly. Under sliding down, the holding force drops significantly, often to levels of 20-30% of the nominal value.
- Base massiveness – insufficiently thick sheet causes magnetic saturation, causing part of the flux to be lost to the other side.
- Material composition – different alloys reacts the same. High carbon content weaken the attraction effect.
- Surface structure – the more even the plate, the larger the contact zone and stronger the hold. Unevenness acts like micro-gaps.
- Operating temperature – NdFeB sinters have a negative temperature coefficient. When it is hot they lose power, and in frost gain strength (up to a certain limit).
Lifting capacity was measured with the use of a smooth steel plate of optimal thickness (min. 20 mm), under vertically applied force, in contrast under shearing force the holding force is lower. Additionally, even a small distance between the magnet and the plate decreases the holding force.
H&S for magnets
Fire warning
Fire warning: Neodymium dust is explosive. Avoid machining magnets in home conditions as this may cause fire.
Maximum temperature
Control the heat. Heating the magnet above 80 degrees Celsius will destroy its properties and strength.
Respect the power
Use magnets with awareness. Their huge power can shock even professionals. Plan your moves and respect their force.
Pinching danger
Big blocks can smash fingers instantly. Do not put your hand betwixt two strong magnets.
Danger to the youngest
NdFeB magnets are not toys. Swallowing a few magnets may result in them pinching intestinal walls, which constitutes a direct threat to life and requires immediate surgery.
Phone sensors
A strong magnetic field disrupts the functioning of compasses in phones and GPS navigation. Keep magnets near a device to avoid breaking the sensors.
Metal Allergy
Warning for allergy sufferers: The Ni-Cu-Ni coating consists of nickel. If an allergic reaction happens, immediately stop handling magnets and wear gloves.
Threat to electronics
Do not bring magnets close to a wallet, computer, or screen. The magnetism can permanently damage these devices and erase data from cards.
Medical interference
Patients with a pacemaker have to keep an large gap from magnets. The magnetism can stop the operation of the implant.
Magnet fragility
Neodymium magnets are ceramic materials, meaning they are fragile like glass. Impact of two magnets will cause them breaking into small pieces.
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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