Neodymium Block Magnet - 5mm x 1.7mm x 3mm | N50 | Magnetised Through 3mm
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This Neodymium block magnet is side magnetized, weighs one gram, has a pull force of 0.3850kg and is nickel-coated. It has Gauss 6440, Grade N50. It is 1.7mm in width, is 5mm long and has a height 3mm.
This tiny Neodymium block magnet is diametrically magnetised and while it weighs about the same as a cotton ball, it delivers a powerful pull force of .3850kg. How is that even possible? The magic is in that Rare Earth - Neodymium. There’s plenty of fascinating science that will explain why Neodymium delivers such a powerful hold, but the maths tells the story - the magnetic energy value of Neodymium is about 18 times greater than the usual ferrite magnets by volume, and 12 times by mass. Job done.
The shape of these small block magnets makes them ideal for a huge range of applications, particularly in electronic devices, aeronautical, automotive, mining and aviation machines.
Rare Earth magnets are also widely used in arts and crafts, textiles, leather crafts, costume and prop construction. Not bad for a magnet with the weight of a cotton ball.
Typical Physical Properties
NB: Ranges are indicative for product category, please check individual products for specic values within that range.
Production Flow Diagram
Demagnetization Curves
Surface Treatment
The most common coating for Neodymium magnets is Nickel + Copper + Nickel (Ni + Cu + Ni). This coating offers the magnet relatively good protection from corrosion and passive applications. If the magnet will be exposed to moisture or liquid then consider the use of an organic coating such as Epoxy. A hard wearing coating, Epoxy is suited to applications where the magnet will come under some friction or knocking.
Range and Tolerance
Magnets are readily available in Blocks, Discs, Cylinders & Rings. AMF Magnetics specializes in the supply of short-run prototype magnets including Arc Segments, various magnetic orientations etc. If you need a magnet size that we don't carry in stock, submit a Design-a-Magnet enquiry for a quote on your custom magnet design.
Magnetic Properties
Neodymium magnets are offered in several different grades. The first section N30-54 has an operating temperature of up to 80 degrees. Most of our stock only goes up to N38. The second section, denoted with the "M" prefix after the grade has an operating temperature 100 degrees. After this the grades are "H", "SH", "UH" & "EH". In order for the magnet to withstand a higher operating temperature, during production more of the raw material PrNd is incorporated as these elements have a naturally occurring resistance to high temperatures.
Returns Policy
If you are not entirely satisfied with your purchase, we're here to help.
We have a 30 Day Returns policy at Frenergy Magnets. You may return your item within 30 days of receiving it to receive a refund.
The product/s must be unused and in the same condition you received them in. Please contact us at info@frenergy.com.au to initiate the returns process.
The buyer is responsible for the cost of returning the order.
