D20x4mm Neodymium Magnets N50 - Discover our circular neodymium magnets in 20mm x 4mm size. Perfect for various applications. Shop now!
Manufacture Capacity and Product Details
Composite: | Nd(Dy, Tb), Fe, B, Pr, Al, Cu etc. | Chemical Formula: | Nd2Fe14B |
Lead Time: | 7-25 days depending on quantity | Tolerance: | ±0.05mm |
Grade: | N, M, H, SH, UH, EH, AH | Density: | 7.4-7.65 g/cm³ |
Surface Treatment: | Zn, Ni, NiCuNi, Cr, Epoxy, Ag, Au etc. | Default Fillet: | r=0.2-0.5mm |
Working Temperature: | 80℃-240℃ depending on different grades | Certifications: | RoHS, SGS, REACH, MSDS |
MOQ: | ≥1 piece | Country of Origin: | China |
Customization: | Shape, Package, Logo | Brand Name: | Uwandy Magnets |
Payment & Service
Payment | amount<$500 | 100% in advance | PayPal, T/T, WU |
$500<amount<$3000 | 100% in advance | T/T, WU, D/P | |
$3000<amount<$30000 | 50% deposit in advance, balance before shipment | T/T, WU, D/P | |
$30000<amount | 30% deposit in advance, 50% before shipment, 20% balance to be negotiated | T/T, D/P, L/C | |
More better payment tems can be offered for regular customers | |||
Service | 1. We provide CAD drawing service for your order | ||
2. We can offer suggestions on grade selection or better solutions for your project | |||
3. We can offer free samples(value less than $50) to regular customers |
Safety Warning
Neodymium magnets are brittle, super strong, easily shattered and broken, Here are some tips that will help when working with neodymium magnets: |
1. Wear eye protection and gloves when working with magnets if necessary. |
2. Slide the magnets rather than pulling off the stack. |
3. Keep away magnets from kids in case accident happens. |
4. Keep away magnets from objects that might cause damage like smartphone, GPS, pacemaker or other electronic devices. |
5. Do not put magnets in high temperature environment, magnets will demagnetize while they are over heated. |
6. Magnets can rust and get scratched because magnets contain iron and mostly are nickel plated. |
Packing & Shipping
General Packing | 1.Clear plastic bag→Small white box→Foam padding carton(36x24x16cm) |
2. We will insert at least 6 pieces of steel sheets to block magnetic field for air transport | |
Shipping Method | Express, Air, Sea, Train, Truckload |
Shipment Terms | EXW, FCA, FAS, FOB, CFR, CIF, CPT, CIP, DAT, DAP, DDP etc. |
Product Details
1. Shape | 2. Coating/Plating | 3. Diameter | 4. Thickness | 5. Tolerance | 6. Weight |
Disc/Round/Circular | NiCuNi (Nickel-Copper-Nickel) | 13 mm/0.512 inch | 5 mm/0.197 inch | ±0.05 mm/±0.002 inch | 5.04 g/0.011113 lbs |
1. Grade | 2. Br | 3. Hcb | 4. Hcj | 5. (BH)Max | 6. Operating Temperature |
N45 | 13,300-13,700 Gauss | 11.0-11.6 kOe | ≥12 kOe | 43-45 MGOe | 80℃/176℉ |
Introducing our Round Earth Magnets – the magnetic solution you’ve been searching for! These magnets offer an impressive pulling force of approximately 3.6 kg/7.94 lbs, providing strong and reliable magnetic support for a wide range of applications. Each magnet is crafted to be durable yet lightweight, weighing only about 5.04 g/0.011113 lbs. With a theoretical surface minimum magnetic strength of 3,498 Gauss, these magnets ensure exceptional efficiency and performance. Whether you’re organizing your home, crafting DIY projects, or working on engineering prototypes, our Round Earth Magnets are the perfect choice. Embrace the power of magnetism and explore new possibilities with these remarkable magnets. Don’t miss out on the magnetic marvel – get yours now and take your projects to new heights!
1. Approx. Pull Force | 3.6 kg/7.94 lbs |
2. Approx. Min. Surface Field | 3,498 Gauss |
3. Approx. Max. Surface Field | 3,817 Gauss |
4. Magnetization Direction | Axial |
Please note that this is only an estimate, and the actual surface field strength may vary depending on a variety of factors.
D20x4mm Neodymium Magnets N50 - Discover our circular neodymium magnets in 20mm x 4mm size. Perfect for various applications. Shop now!
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Neodymium magnet or NdFeB, is currently the magnetic material with the highest energy product. Its chemical formula is Nd2Fe14B. Neodymium can be replaced with lanthanide...
powerful neodymium magnet!
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