2360 Corporate Circle. Suite 400
Henderson, NV 89074-7739
United States
E-mail: sales@albmaterials.com
- MMS-E-X0 Standard Mounting Magnets
- CB-W10H4L40D4/D8 Neodymium Magnet, 40x10x4mm with countersunk hole d4/8 Block Magnet
- RC22CS-S Neodymium Magnets, 3/4 inch od x 1/8 inch id x 1/8 inch thick with countersunk hole for #8 screw
- D51 Neodymium Magnets, 5/16 inch dia. x 1/16 inch thick
- Magnetic Motor Parts - DK Series Stator
- BY0X02SH Neodymium Magnets, 2 inch x 1 inch x 1/8 inch thick
- B448 Neodymium Magnets, 1/4 inch x 1/4 inch x 1/2 inch thick
- C-D12.5H50-N45 Neodymium Magnet, 12.5x50mm Cylinder Magnet
- C-D2H5-N50 Neodymium Magnet, 2x5mm Cylinder Magnet
- D7Z0 Neodymium Magnets, 7/16 inch dia. x 3 inch thick
- Scientists Create Ultra-Powerful Magnetic Field
- Block Magnets
- 1/2 Inch Cube Neodymium Magnets
- Round Neodymium Magnets With Adhesive
- Neodymium Cylinder Magnets Table
- Neodymium N52 Permanent Magnets With Countersunk Holes
- 1/8 Magnets
- Uses Of Magnets Applications And Utilization In Daily Life
- Accessories Magnets
- Ceramic Magnet Pull Force
B20x4x3mm Neodymium Magnet, 20 x 4 x 3mm Block Magnet
| Item No.: | ALB-B20x4x3mm |
|---|---|
| Material: | NdFeB, Grade N42 |
| Shape: | Block |
| Dimension: | 20x4x3mm |
| Tolerances: | ±0.1mm x ±0.1mm x ±0.1mm |
| Weight: | 1.800g |
| Grade: | N42 |
| Coating: | Ni-Cu-Ni (Nickel) |
| Pull Force(lbs): | 4.20 lbs (1.91kg) |
| Surface Field(Gauss): | 4245 |
| Magnetization direction: | Through Thickness |
| Max Operating Temp: | 80°C |
| Product Drawing: |  ·  |
Previous: B20x4x2mm Neodymium Magnet, 20 x 4 x 2mm Block Magnet
Next: B20x5x1mm Neodymium Magnet, 20 x 5 x 1mm Block Magnet
Related Magnets
B20x5x2mm Neodymium Magnet, 20 x 5 x 2mm Block Magnet
B20x5x3mm Neodymium Magnet, 20 x 5 x 3mm Block Magnet
B20x5x5mm Neodymium Magnet, 20 x 5 x 5mm Block Magnet
B20x6x2mm Neodymium Magnet, 20 x 6 x 2mm Block MagnetOther Grade B20x4x3mm Neodymium Magnets (20x4x3mm):
| Grade | Item No. | Product Name | Pull Force | Inquiry |
|---|---|---|---|---|
| N35 | ALB-B20x4x3mm-N35 | B20x4x3mm-N35 Neodymium Magnets | 3.53 lbs (1.61kg) | Inquiry |
| N38 | ALB-B20x4x3mm-N38 | B20x4x3mm-N38 Neodymium Magnets | 3.53 lbs (1.61kg) | Inquiry |
| N40 | ALB-B20x4x3mm-N40 | B20x4x3mm-N40 Neodymium Magnets | 3.83 lbs (1.74kg) | Inquiry |
| N42 | ALB-B20x4x3mm | B20x4x3mm Neodymium Magnets | 4.20 lbs (1.91kg) | Inquiry |
| N45 | ALB-B20x4x3mm-N45 | B20x4x3mm-N45 Neodymium Magnets | 4.46 lbs (2.03kg) | Inquiry |
| N48 | ALB-B20x4x3mm-N48 | B20x4x3mm-N48 Neodymium Magnets | 4.73 lbs (2.15kg) | Inquiry |
| N50 | ALB-B20x4x3mm-N50 | B20x4x3mm-N50 Neodymium Magnets | 4.86 lbs (2.21kg) | Inquiry |
| N52 | ALB-B20x4x3mm-N52 | B20x4x3mm-N52 Neodymium Magnets | 5.00 lbs (2.27kg) | Inquiry |
| N42SH | ALB-B20x4x3mmSH | B20x4x3mmSH Neodymium Magnets | 4.20 lbs (1.91kg) | Inquiry |
High Temperature B20x4x3mm Neodymium Magnets (20x4x3mm) are also available:
| Neodymium Material Type | Maximum Operating Temp | Curie Temp |
|---|---|---|
| N (N35-N52) | 176°F (80°C) | 590°F (310°C) |
| NM (N35M-N52M) | 212°F (100°C) | 644°F (340°C) |
| NH (N33H-N52H) | 248°F (120°C) | 644°F (340°C) |
| NSH (N30SH-N50SH) | 302°F (150°C) | 644°F (340°C) |
| NUH (N28UH-N48UH) | 356°F (180°C) | 662°F (350°C) |
| NEH (N28EH-N48EH) | 392°F (200°C) | 662°F (350°C) |
| NAH (N28AH-N35AH) | 428°F (220°C) | 662°F (350°C) |
The Thermal Characteristics listed above are values commonly associated with each magnet's grade or material. Actual performance in your application may vary with other factors, including the shape of the magnet, the Permeance Coefficient or load line, and how it is used in a circuit.
B20x4x3mm Neodymium Magnets (20x4x3mm) with other Coating are also available:
| Coating Type | Overall Thickness | Salt Spray Test | Pressure Cooker Test |
|---|---|---|---|
| Ni-Cu-Ni (Nickel) | 15-21 μm | 24 hours | 48 hours |
| NiCu + Black Nickel | 15-21 μm | 24 hours | 48 hours |
| NiCuNi + Epoxy | 20-28 μm | 48 hours | 72 hours |
| NiCuNi + Gold | 16-23 μm | 36 hours | 72 hours |
| NiCuNi + Silver | 16-23 μm | 24 hours | 48 hours |
| Zinc | 7-15 μm | 12 hours | 24 hours |
Each individual layer of Nickel and Copper are 5-7 μm thick. The Gold and Silver Coating layers are 1-2 μm thick. Test results shown to allow comparison between Coating options. Performance in your application under your specific test conditions may vary. Salt Spray testing conducted with a 5% NaCl solution, at 35°C. Pressure Cooker Test (PCT) conducted at 2 atm, 120°C at 100% RH.
If you can't find what you want, just send us an inquiry and we will be happy to make it for you!
Send us an inquiry now to find out more information and the latest prices, thanks!
Company
About Us
Privacy Policy
Terms & Conditions
XML Sitemap
HTML SitemapCustomer Support
Inquiry
FAQ
How To Order
Shipment TrackingFeatured Magnets
Neodymium Magnets
Micro Magnets
Custom MagnetsPopular Magnets
Grade N42 Magnets
Grade N52 Magnets
Magnets Pull Force Calculator
Contact Us
ALB Materials Inc
Website: www.albmagnets.com
E-mail: sales@albmaterials.com
How to choose and buy a strong neodymium magnet? ALBMagnets is a professional company for strong magnet design and manufacturing,
providing you with reliable N35, N38, N42, N52, N42SH and other grade super neodymium magnets and SmCo rare earth magnets.