2360 Corporate Circle. Suite 400
Henderson, NV 89074-7739
United States
E-mail: sales@albmaterials.com
- D53 Neodymium Magnets, 5/16 inch dia. x 3/16 inch thick
- RX038DCB Neodymium Magnets, 1 inch od x 0.195 inch id x 0.375 inch id x 1/2 inch thick
- C-D8H40-N45 Neodymium Magnet, 8x40mm Cylinder Magnet
- DD7 Neodymium Magnets, 13/16 inch dia. x 7/16 inch thick
- B-W25H25L25-N50 Neodymium Magnet, 25x25x25mm Block Magnet
- MMS-C-Y0 Standard Mounting Magnets
- D88 Neodymium Magnets, 1/2 inch dia. x 1/2 inch thick
- B-W12.7H3.175L25.4-N45 Neodymium Magnet, 25.4x12.7x3.175mm Block Magnet
- BC61 Neodymium Magnets, 3/4 inch x 3/8 inch x 1/16 inch thick
- RX8CC Neodymium Magnets, 1 1/2 inch od x 3/4 inch id x 3/4 inch thick
B20x3.5x3.4mm Neodymium Magnet, 20 x 3.5 x 3.4mm Block Magnet
| Item No.: | ALB-B20x3.5x3.4mm |
|---|---|
| Material: | NdFeB, Grade N42 |
| Shape: | Block |
| Dimension: | 20x3.5x3.4mm |
| Tolerances: | ±0.1mm x ±0.1mm x ±0.1mm |
| Weight: | 1.785g |
| Grade: | N42 |
| Coating: | Ni-Cu-Ni (Nickel) |
| Pull Force(lbs): | 4.46 lbs (2.03kg) |
| Surface Field(Gauss): | 4716 |
| Magnetization direction: | Through Thickness |
| Max Operating Temp: | 80°C |
| Product Drawing: |  ·  |
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B20x5x3mm Neodymium Magnet, 20 x 5 x 3mm Block MagnetOther Grade B20x3.5x3.4mm Neodymium Magnets (20x3.5x3.4mm):
| Grade | Item No. | Product Name | Pull Force | Inquiry |
|---|---|---|---|---|
| N35 | ALB-B20x3.5x3.4mm-N35 | B20x3.5x3.4mm-N35 Neodymium Magnets | 3.74 lbs (1.70kg) | Inquiry |
| N38 | ALB-B20x3.5x3.4mm-N38 | B20x3.5x3.4mm-N38 Neodymium Magnets | 3.74 lbs (1.70kg) | Inquiry |
| N40 | ALB-B20x3.5x3.4mm-N40 | B20x3.5x3.4mm-N40 Neodymium Magnets | 4.06 lbs (1.85kg) | Inquiry |
| N42 | ALB-B20x3.5x3.4mm | B20x3.5x3.4mm Neodymium Magnets | 4.46 lbs (2.03kg) | Inquiry |
| N45 | ALB-B20x3.5x3.4mm-N45 | B20x3.5x3.4mm-N45 Neodymium Magnets | 4.73 lbs (2.15kg) | Inquiry |
| N48 | ALB-B20x3.5x3.4mm-N48 | B20x3.5x3.4mm-N48 Neodymium Magnets | 5.01 lbs (2.28kg) | Inquiry |
| N50 | ALB-B20x3.5x3.4mm-N50 | B20x3.5x3.4mm-N50 Neodymium Magnets | 5.16 lbs (2.34kg) | Inquiry |
| N52 | ALB-B20x3.5x3.4mm-N52 | B20x3.5x3.4mm-N52 Neodymium Magnets | 5.30 lbs (2.41kg) | Inquiry |
| N42SH | ALB-B20x3.5x3.4mmSH | B20x3.5x3.4mmSH Neodymium Magnets | 4.46 lbs (2.03kg) | Inquiry |
High Temperature B20x3.5x3.4mm Neodymium Magnets (20x3.5x3.4mm) 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.
B20x3.5x3.4mm Neodymium Magnets (20x3.5x3.4mm) 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.
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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.