20 x 4mm Round Neodymium Iron Boron Magnet N52 Ni, Super Strong Rare Earth Sintered NdFeB Disk Round Magnet for Toy and Craft, Nickel Coated Neodymium Disc Permanent Magnets China Supplier
20 x 4mm Round Neodymium Iron Boron Magnet N52 Ni Technical Specifications:
Item: NDN52-2004
Grade: N52
Material: Neodymium (NdFeB)
Plating: Nickel
Shape: Disk, Round, Disc, Circular, Cylinder
Dimension:
Total Diameter (D): Ø 20 mm
Total Height (H): 4 mm
Tolerance: ±0.05 mm
Magnetisation Direction: Axial / Radial
Residual Magnetic Flux Density (Br): 1430-1480 mT (14.3-14.8 kGs)
Energy Density (BH)max: 398-422 KJ/m³ (50-53 MGOe)
Coercivity Force (Hcb): ≥ 796 kA/m ( ≥ 10.0 kOe)
Intrinsic Coercivity Force (Hcj): ≥ 876 kA/m ( ≥ 11 kOe)
Maximum Operation Temperature: 60 °C
Delivery Time: 14-35 days
Neodymium Magnet, discmagnet, Sintered NdFeB magnet, magnetic material, Permanent magnet, NdFeB magnet
This Neodymium Magnet is very strong NdFeB magnet
The magnet performance can be according to your requirement
From N35 to N50M is available
The magnet size can be customized
The surface can be treated as anti-rust process or zinc-plated, nickel-plated, epoxy-plated
Precise dimensions
Material: NdFeB
Grade: N35. N38. N40. N42. N45. N48. N50. N52
(Max Working Temp. 80° C)
35M, 38M. 40M. 42M. 45M. 48M.
(Max Working Temp. 100° C)
35H, 38H. 40H. 42H. 45H
(Max Working Temp. 120° C)
33SH, 35SH, 38SH. 4S0H. 42SH
(Max Working Temp. 150° C)
30UH, 33UH. 35UH. 38UH
(Max Working Temp. 180° C)
30EH, 33EH. 35EH. 38EH
(Max Working Temp. 200° C)
Surface treatment: Nickle Plating; Nickle +Copper+Nickle; Zinc Plating; Epoxy Plating; Color Zinc Plating; Au Plating;
Flat but strong disc magnet. Suitable for the construction of magnetic key boards for example. Neodymium magnets are made of neodymium, iron and boron and are the strongest raw magnets. For more information please click here: facts about magnetism; safety precautions.
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