The Neodymium Rare Earth magnets do not perform as well as SmCo Rare Earth magnets. 6kg. With a few assumptions, flux density (in Gauss) can be related to. Magnetic badges are a great alternative to traditional pin badges, they are high in magnetic strength, durable, lightweight, and they will not damage or. they generate their own magnetic field) made from an alloy of the metallic elements neodymium, iron and boron. But there's an even easier way to think of permeability. These are the strongest of the rare earth magnets and used in virtually every industry. The magnetic field is the tendency for a magnetic force to be induced on moving charged particles in the. 87 lbs. It can be showed by the magnet’s Demagnetization Curve, or BH Curve – the strongest point is (BH)max. It can lift more than any other type of magnet of the same size. 27kg Pull. Mounting Magnets are strong neodymium magnets that are set inside a steel cup or channel. Watch on. That “N” number relates to their maximum energy product, a measure of strength expressed in MegaGaussOersteds, or MGOe. Reach around corners and obstructions to inspect hard-to-see areas. It refers to the maximum magnetic energy that the material can be stored. Never use clips or pins to hold that badge to your garments again! Our magnetic badge holders will not damage your clothing and are easy to use!!Thickness (Inches) – Direction of Magnetization: Calculate Result. Magnets tend to lose their strength over time. The major application of neodymium is in high-strength permanent magnets based on Nd 2 Fe 14 B that are used in high-performance electric motors and generators,. Every type of rare earth magnet, whether neodymium, AlNiCo, or something else, has its own alphanumerical system for classifying strength. 5 to 0. fastest shipping! No Minimum Order! K&J Magnetics, Inc. Neo Magnets are the strongest magnets in the world – the higher the grade, the. It’s possible to achieve field strengths up to 10,000 – 12,000 gauss (1. They are widely used as. The main ingredients of a neodymium magnet are neodymium itself, iron, and boron; the chemical compound known as NdFeb. Some of which are N35, N38, N42, N45, and N48. Select Material Grades for Neodymium Magnets When you are trying to figure out which neodymium magnets to select for your design needs, you. Coeff. Magnet Pole Detector-Identifier-Tester For All Magnets. There are some suffix letters following the grade such as M, H or SH. To put their strength into perspective, they can produce magnetic fields with up to 1. 03 inches (0. Copper and titanium may be added to increase magnetic strength. The second type of mounting magnets are Neodymium Magnets with a hole designed for a specific size flat head screw. Most come in round shapes, but we also offer a few Rectangular Mounting Magnets. See our Specs page for more Br values for various neodymium magnet grades. This tool calculates magnetic field strength measured in gauss, on the centerline of a disc magnet or ring magnet magnetized through its thickness, at a distance of X from the surface of the magnet. which the magnet is operating. 118'' Thk. Unit Conversion Calculator: This calculator deals with converting key magnetic units. Counter-bored neodymium magnets with opposite poles on the counter-bored faces provide a secure hold and because neodymium is the strongest magnetic material in the world a magnet just 5mm in diameter can be effective. + Moderate Mechanical Strength. Bunting designs and manufactures a wide range of magnets and magnetic assemblies . A neodymium magnets (also known as NdFeB, NIB or Neo magnet), the most widely used type of rare-earth magnet, is a permanent magnet made from an alloy of neodymium, iron and boron to form the Nd2Fe14B tetragonal crystalline structure. Then the diameter (D) is 1 inch, the length (L) is 0. Christianity vs. For an in-depth explanation of how this calculator works, check out our Gap Calculator article. 5 A, while C and D. They are also referred to as NdFeB magnets, or NIB, because they are composed mainly of Neodymium (Nd), Iron (Fe) and Boron (B). 1. But some compounds of neodymium with transition metals such as iron are ferromagnetic, with Curie temperatures well above room temperature. Flexible sheets are often used for point of sale and advertising, particularly for cars. Currently, all known strong magnets contain rare earth (RE) elements, and they are core components of a wide range of applications. Read more about where neodymium magnets are used in. For maximum energy product, convert megaGaussOersteds (MGOe) to. “N52” represents the strength of the magnet. For example, a 10mm diameter by 3mm thick N42 neodymium magnet has a Gauss rating of 3600 while the same magnet but 5mm thick has a Gauss rating of 5100. Unlike standard neodymium magnets, high-temperature neodymium magnets are suitable for use at operating temperatures of up to 300° Fahrenheit (149° Celsius) – depending on the magnetic circuit. In magnetic jewelry we can count the number of magnets, measure the. Saturation Field Strength. Magnetic characteristics distribution charts of FB Series Transition of material group development. 0 kilo-Gauss, and 2. 98buy 100+ items and save 27%. Menu. x 0. 11%/°C Density 7. fastest shipping! No Minimum Order! K&J Magnetics, Inc. It provides information about the strength of the magnet, how hard it is to demagnetize, and how a magnet's shape (or. Email: sales. Neodymium (NdFeB) magnets are incredibly strong and have a maximum strength (BHmax) from 30 MGOe to 55 MGOe. Magnets come in many strengths, and you can use a gauss meter to determine the strength of a magnet. Home // Access Hardware // Understanding Neodymium Magnets and Why Grade Matters // Understanding. Grade N42 magnets have a Br of 13,200 Gauss, while N52 magnets can be as high as 14,800 Gauss. Our neodymium discs bar, block & cube magnets are sintered for optimal magnetic strength and axially magnetized (the magnetism direction is along the axis of the magnet from the north to the south poles). 59 lb. Holiday magnetic thumbtack kits. 1 High performance neodymium magnet for IPM motor NEOREC Series Neodymium Magnets Magnetic Materials Information. The number in the magnet grade refers to the strongest point of the material’s B-H curve, or its maximum energy product. Inhalation overexposure of iron dust may cause siderosis, a benign pneumoconiosis. It has a magnetic flux reading of 6703. Jul 14, 2023Each individual layer of Nickel and Copper are 5-7 μm thick. Understanding the magnet grades is an important factor in choosing the correct magnet for the application. 6 ± 2 x 10 6 J/m 3, which is ten times larger than cobalt nanoparticles, and magnetic properties comparable to some rare earth. Magnet Shape. Ideal for home, school, office and shop. Samarium Cobalt is manufactured in two compositions: Sm 1 Co 5 and Sm 2 Co 17 - often referred to as the SmCo 1:5 or SmCo 2:17 types. Wear gloves when handling larger magnets and always handle with care. –. Roughly 2/3 of a neodymium magnet is composed of iron. In comparison to other types of magnets, rare earth magnets or neodymium magnets have a higher magnetic strength. Samarium Cobalt is manufactured in two compositions: Sm 1 Co 5 and Sm 2 Co 17 - often referred to as the SmCo 1:5 or SmCo 2:17 types. 11% of their magnetism for every 1 degree celsius rise in temperature. The magnetic field of a neodymium magnet can reach up to. Each magnet has a grade, which typically denotes its strength. By comparison, a refrigerator magnet rates about 50. The material and grade of a magnet refer to a set of properties that ultimately yield the magnet’s performance. The grade of the metal, surface condition and angle of pull all have an impact on the pull strength. Developed in the 1970s and 1980s, rare-earth magnets are the strongest type of permanent magnets made, producing significantly stronger magnetic fields than other types such as ferrite or alnico magnets. When designing a magnetic solution, physical strength is not always the most important factor and each material has its own unique. • Magnetic field gradient is much stronger compared to non-shielded,These units represent the magnetic field strength at a particular point in space and are commonly used to measure the strength of neodymium magnets. 88kg. e. 00. Applications: These magnetic badge attachments are used for all types of name badges. The magnets are positioned with opposite poles facing one another, so that the magnets are attracting towards one another. We will work with you to understand the operating parameters and whether a Neodymium magnet or other one constructed of another material is best suited for your needs. 2 Super II's. The term “rare earth” can be misleading, because. Others: The Breakdown. In 1984, Sagawa, Hadjipanayis, and Croat independently discovered Neodymium magnet nearly at the same time. Coeff. In general, higher numbers indicate a stronger magnet. has the highest permeability on the chart, and. Neodymium alloys are used to make high-strength neodymium magnets, a powerful permanent magnet. Magnet materials comparison guideComparing smco and neo Grades of neodymium magnet, which one is the best?Chart magnet neodymium strength pacemaker magnets thickness safety distance diameter dimensions safe minimum lighter playa idea gift would. 1. Ceramic disk magnets: These magnets can be magnetized with multiple poles on one face to achieve greater holding strength on that surface. Neodymium is a ductile and malleable silvery white metal. Sale. These magnets can have a. 88lbs Pull. Larger numbers mean a higher surface field strength, so for a given size of magnet, one with a larger number will be stronger. Neodymium Iron Boron Magnets (“”Neo””, NdFeB or Neodymium) are made from an alloy containing, amongst others, the elements Neodymium, Iron and Boron (NdFeB). Magnetic jewelry – Magnetic therapy jewelry is often made with neodymium magnets; these magnets are also used in bracelet and necklace clasps. There are four main types of permanent magnets – neodymium, samarium cobalt, alnico and ferrite. ARC4025. Our inventory contains a large sampling of the different grades, however, if you need a different grade, shape or size. Fridge Ferrite Round Disc Magnet 15 x. New in 2020, we’ve added more curves, and a coatings chart to assist with corrosion. In general, higher numbers indicate a stronger magnet. Different designs call for different grades of magnets. their strength. Magnetic Field Calculator. magnets tumbled (honed) to create a slight radius (0. Attributes of Neodymium Material. We are happy to help you select the proper magnet for your application. To be “your magnet solution source About DIYMAG Bar Magnets . All Surface Field values are at the magnet surface, in the center of the axis of magnetization. A magnet is strongest. Nd-Pr is seen growing at 7% per annum. Neodymium magnets have a strength grade associated with them, from N30 to N52. Imagine you have two neodymium magnets: one is an N35 magnet, and the other is an N52 magnet. Neodymium magnets have special characteristics that translate to exceptional strength. In terms of power, a rare earth magnet is about 2-7 times stronger than a standard magnet. Magnetic field drops off as the cube of the distance from a dipole source. At this point, a neodymium magnet’s direction of magnetism will alter, resulting in a loss of performance between 10 and 20%. 50 x 50 x 25mm Ultra high Performance N52 Neodymium Magnet - 116kg Pull. Their strength is often given in terms of its gauss rating; depending on their shape and grade, this type of magnet may rate 13,500 gauss or more, although a small one usually rates about 2,000 gauss. F294. 2:17 types, with higher H ci values, offer greater inherent stability than the 1:5 types. Often measured in. It all starts with the letter "N", representing neodymium. 1 15 10 Compressive 700 Tensile 35 Young's modulus (GPa) 200equations or charts; for example, see Rollin J. Magnet physical properties is a good reference value when you choosing a magnet material from NdFeB, SmCo, AlNiCo and Ferrite Magnets. Permanent magnets are graded by the maximum energy the magnet produces. The magnet is 0. These magnets are widely used in products like microphones, professional loudspeakers, in-ear headphones, high-performance hobby DC electric motors, and computer hard disks, where low magnet mass (or volume) or strong magnetic fields. * Orders of any size. A Neodymium magnet, also known as NdFeB or Neo magnet, is the strongest known type of permanent magnet. they generate their own magnetic field) made from an alloy of the metallic elements neodymium, iron and boron. The most significant difference between N35 and N52 neodymium magnets is their magnetic strength. $1. Most of our magnets are grade N40 so if they are heated above 80˚C or 176˚F they will demagnetize and lose their strength. F. These are the strongest of the rare earth magnets and used in virtually every industry. Ferrite magnets are made from more abundant, inexpensive materials and are cheaper to. Nd 2 Fe 14 B or Neodymium-Iron-Boron magnets can be sintered or bonded. Circular ring magnets are disc magnets with a plain hole through the centre of the magnet. If your application involves higher temperatures, see our D66SH (Super High Temp) cylinders or D82SH discs . If you took the magnet out of a Mounting Magnet, you might only see half the pull force that you had fully assembled. Thin Flat Circle Disc C5 Ceramic Magnet 18 x 2mm. Since 2004, AEMagnet has been a trusted neodymium magnet supplier. 30 per kg, neodymium changed –40. Magnetic Properties. DIYMAG specialized in the research, development, application and production of high-qualified magnets and magnetic assemblies. ¸ 4. The north pole is indicated in red, and the south pole in indicated in gray. NR191003-LMI. Alnico magnets come in several variations with different amounts of aluminum, nickel, and cobalt. The “N” represents “neodymium,” while the number “52” indicates that the magnet has a maximum energy product of 52 Mega-Gauss-Oersteds (MGOe). Measuring Magnetic Field Strength of Neodymium Magnets Using a Gaussmeter. Axially Magnetized Examples include D82 and D48. . Generally speaking, the higher the grade, the stronger the magnet. To clarify the power of the world's strongest magnet, a strong refrigerator magnet is 100 gauss. In stock and ready to ship. To make sense of neodymium magnet grades and tables, you’ll want to wrap your head around the following parameters: Maximum Energy Product (BHmax): Measured in Mega-Gauss-Oersteds (MGOe), it represents the magnet’s energy density or magnetic strength. This will have a strong magnetic field that will attract all kinds of debris and things on the road such as rocks and twigs. Neodymium magnets, also known as NdFeB or Neo magnets, are the most widely used rare earth magnets. Inspection Mirrors. A rare earth magnet is a magnet made from one of the rare earth elements (of which there are 17) in the Lanthanide series of metals in the periodic table. This tool calculates magnetic field strength measured in gauss, on the centerline of a disc magnet or ring magnet magnetized through its thickness, at a distance of X from the surface of the magnet. Magnets don't pull with any lateral force when stuck to a steel plate. Neodymium Iron Boron Overview Key Benefits • Very high strength • Relatively low cost (by weight about 20 time Ferrite magnets, by "Dollars per BHmax" about 1. Tables of Neodymium Magnet Grades. Strength magnets neodymium safety info. They have an elaborate manufacturing process of vacuum melting, milling, pressing and sintering. Thickness (Inches) – Direction of Magnetization: Calculate Result. A Magnetic field is an invisible flux moving from one end of the magnet to the other, as shown in Figure 1. Measurements taken off the center axis will vary. 100 - Above. I. An alloy of neodymium, iron and boron discovered in the 1980s is ferromagnetic, yielding permanent magnets over 1000 times stronger than anything ever seen before. 2 1. The exact ingredients depend on the grade or strength of magnet being produced. Neodymium magnets are permanent magnets (i. e. High-temperature neodymium. 13% this year. Compared to its price of $109. 7-15 μm. Using neodymium ring magnets (0. Sintered Neodymium-Iron-Boron Magnets. [SG STOCK] Various Magnet Sizes Neodymium Disc Circular Round Arts and Check Details. 4 products. These magnets can then sliced into smaller magnets or ground to tighter tolerances. Neodymium magnets are rare-earth magnet materials with the highest magnetic properties. Remagnetize with a Strong Permanent Magnet: Follow these steps to remagnetize your magnet using a strong permanent magnet: a. The coil was wound using a. –. Neodymium dust and salts are very irritating to the eyes. It is the ratio of the magnetic induction to the magnetizing field as a function of the field in a material. 10% Off. From $8. 21kg Pull. So, the magnetic energy the combination of neodymium, iron, and boron can store, makes the alloy very magnetic. Continue reading →1 - Neodymium iron boron (NdFeb) Neodymium magnets are the most powerful magnets available (per unit volume) with the ability to attract 1,000 times their own weight. N42 Neodymium Disc Magnet - 5/32 in. In general, the higher the maximum energy product value, the greater the magnetic field the magnet will generate in a particular application. Each individual layer of Nickel and Copper are 5-7 μm thick. For neodymium magnets strength chart, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our neodymium magnets strength chart has been well received by many customers and enjoyed a good reputation in many countries. For maximum energy product, convert megaGaussOersteds (MGOe) to. In a pipeline which is cleaned using steam, the temperature will be above 100 degrees C for a period of time. This step allows the scale to only measure the magnetic force. significantly below neodymium magnets. There are four main types of permanent magnets – neodymium, samarium cobalt, alnico and ferrite. According to the National High Magnetic Field Laboratory of Florida State University, a fridge magnet is about 0. 04 per kg, then this rare earth metal has gained +77. Ceramic magnets have a lower magnetic strength compared to neodymium magnets. Magnets are stronger when the number is higher. 44 for 1 to 9 items. Compared with many cheaper N35 grade neodymium magnets, their magnetism is 20% higher. Because of their lightweight, strength and the consistency of their magnetization, Neodymium Magnets have become a popular choice for a wide variety of applications, from loudspeakers to magnetic therapy jewelry. 5mm I. The shape of a magnet also plays a role in its strength. The grade is a good indicator of the strength of a magnet. Another way to understand it is that Permeability is the ability of a material to become magnetized when exposed to a magnetic field. Neuron specific enolase which is the determinant of neuronal damage and S100 blood levels. Conveniently browse neodymium magnets by usage. Measuring and Inspecting. Many online calculators we've seen determine pull force based on a theoretical calculation of the flux density. Looking for Super Strong Neodymium Magnets?. Small neodymium magnet disk (1 mm x 1 mm) axially magnetized with high magnetic strength (N52). They have an elaborate manufacturing process of vacuum melting, milling, pressing and sintering. 2-0. 5 times Ferrite magnets). dia x 1/32 in. 04 per kg, then this rare earth metal has gained +78. N52 magnets are the strongest neodymium magnets you’ll come. Fill in all of the blank calculation fields, click the calculate button and the results will appear. The magnets are positioned with opposite poles facing one another, so that the magnets are attracting towards one another. Order online for. e. In a pipeline which is cleaned using steam, the temperature will be above 100 degrees C for a period of time. Neodymium magnets are available in a wide variety of grades such as N42, N52 and N42SH. The NdFeB magnets are the strongest type of magnet commercially available and are manufactured in a wide. 001 tesla. Neodymium Disc Magnet 15mm x 5mm N42. Magnetic induction B (also known as magnetic flux density) has the SI unit tesla [T or Wb/m 2 ]. 07 ounce) piece is enough to stick a substance more than 640 TIMES than its weight. 04%. Our high-quality Rare Earth Magnets are made from alloys of rare-earth elements. (mm)Manufacturing Methods & Finishes. These values are based on both theoretical models and extensive laboratory testing. NdFeB. How strong is grade N52? - Grade N52 strength is the highest neodymium magnet. The Neo magnets are less brittle than SmCo. Model: A-POLE-1. Material: Neodymium magnets, Stainless Steel & 3M foam adhesive. 35 for 1 to 9 items. Among the non-rare-earth permanent magnets invented so far, only two are in large-scale production: ferrites and another type called Alnico (aluminum nickel cobalt). If you have any questions feel free to give us a call (888-727-3327). Neodymium magnets in the UK are the strongest commercially available magnets, meaning that. For example, you are going to be driving your car during a storm. Getting started; Neodymium Magnet Strength Rating; Neodymium Magnet Strength Rating - China Manufacturers, Factory, Suppliers. Depending on the grade of the magnet, the heat will demagnetize the magnet. Depending on where you have your sources from, there are different facts on this subject on the. Grades & Materials - We carry a large inventory of licensed, neodymium magnet materials in both standard and premium grades for reduced production and lead times. It is particularly useful for testing the strength of magnets used in industrial applications where the magnet is attached to a surface using an adhesive. Neodymium (neo) magnets, which are part of the rare earth magnet family, are popular for their extreme strength in a compact size and weight, and for their high coercive force (they are permanently magnetized for use in temperatures below 590°F). Neodymium magnets are rare-earth magnet materials with the highest magnetic properties. A ferrite or ceramic magnet usually creates a weak. 49), so we want to identify them. 50" W x 0. Strength: 1kg-3kg, Magnet size: Height:12mm. Neodymium magnets are the strongest type of permanent magnet available. Conclusion. Magnets come in many strengths, and you can use a gauss meter to determine the strength of a magnet. R x 12. Many are bespoke for specific applications. When heated above this, they will experience irrecoverable losses in performance. Neodymium magnets are a combination of Neodymium (Nd), Iron (Fe) and Boron (B), and are also referred to as NdFeB or Neo. This is the primary indicator of a magnets ‘strength’. The neodymium iron boron magnets have the strongest resistance to demagnetization of any magnet material and it is generally estimated that it may take over five hundred years before they start to see noticeable loss of magnetic strength. With a few assumptions, flux density (in Gauss) can be related to the expected pull force. In general, higher numbers correlate with a stronger magnet. This is the primary indicator of a magnets ‘strength’. Introducing the strongest magnets available at first4magnets! N52 grade neodymium was the strongest magnetic. NOTE: This calculator is currently a beta version and is intended only for reference. The strength of rare earth magnets. A rare-earth magnet is a strong permanent magnet made from alloys of rare-earth elements. Meanwhile it shows how resistant it is to demagnetize, how a magnet’s shape affects. Higher values mean stronger magnets. For further information on bespoke magnet assemblies and magnet designs, please contact us via: Phone: +44 (0) 1442 875081. The strength of rare earth magnets. 17 Jun 2019. N50 is the highest readily available grade. It is the force that a magnet can exert on an object made of ferromagnetic material, such as iron, nickel, or cobalt. The maximum recommended temperature for the NdFeB magnets is +230 degrees C, whereas the SmCo can work at +300 to +350 degrees C. STRONGEST MAGNETS. 33. These 15 elements, plus scandium and yttrium, are termed “rare earth elements” (REEs). 5 °F). 10-100. Neodymium compounds are of low to moderate toxicity, yet its toxicity has not been thoroughly investigated. From £12. 5mm thick magnets. The grades that can usually be purchased range from N30 to N52, because low-grade neodymium magnets are usually no longer produced. 004” to 0. The effect of magnetic fields created using neodymium magnets on neural damage was examined in a study where they were applied on 17 healthy volunteers for 2 hours. The compound also has a high saturation. Press these magnets into a drilled. Check out our full collection here. Levitation Magnets. 04% in value. x 0. Holding Power: 7 lbs. The magnetic field of a neodymium magnet reaches about 1. 00 per kg, neodymium changed –40. The number comes from an actual material property, the Maximum Energy Product of the magnet material, expressed in MGOe (Mega Gauss Oersteds). magnet pull strength: Exposing magnets to high temperatures outside their design range may cause magnets to fail completely or show signs of weakening. Master Magnetics is your Magnet Source for Neodymium Rare Earth Magnets. There are five main types of permanent magnet material; these are, in order of strength from strongest to weakest, neodymium, samarium cobalt, alnico, ferrite, and flexible rubber. In summary, the longevity of a neodymium magnet depends on various factors, including environmental conditions, usage, handling, and the quality of the magnet. Choose from our selection of strong magnets, including neodymium magnets, encased neodymium magnets, and more. It shows the minimum distance to get below 5 gauss for many disc / cylinder magnet sizes. thick - 0. If we go back further to Jan 1st 2018, when the cost of neodymium was $70. $2. Weight. christian beliefs. They have an elaborate manufacturing process of vacuum melting, milling, pressing and sintering. Add to cart. This means, that the power is stronger than the combined power of more than 4000 strong refrigerator magnets. Other common materials such as SmCo, AlNiCo, and Ferrite magnets are also listed as these can be produced to order as custom magnets. The magnet grade, or N rating, refers to the Maximum Energy Product of the material from which the magnet is made; it refers to the maximum strength the material can be magnetized to hold permanently. *compiled from “General Safety Considerations for the Installation and Operation of Superconducting Magnet Systems”, Rev. They have superior performance in applications because of their strong. 3 min read. They are widely used as. At first4magnets. At first4magnets. 66 for 10 to 99 items and save 14%. There are several important distinctions between these two types of magnets, including composition, strength,. At Stanford Magnets, we do not make any compromises on quality. • Relatively easy to machine, compared to Alnico and SmCo magnets. A round neodymium magnet with a diameter of 15mm and a thickness of 4mm has a pull force of about 2. Unit Conversion Calculator: This calculator deals with converting key magnetic units. thick - 9. Diametrically Magnetized Examples include D82DIA and D48DIA. $3. Neodymium is a rare earth element that is. A magnetic bracelet using 3000 gauss magnets with 20 - 3mm magnets is half the strength of a bracelet with 20 - 5mm magnets. N35 is, therefore, the weakest and n50 the strongest of the neodymium magnets. A round neodymium magnet with a diameter of 20mm and a thickness of 2mm has a pull force of approximately 2. It shows the minimum distance to get below 5 gauss for many disc / cylinder magnet sizes. The two most common rare earth magnets are Neodymium (Nd-Fe-B) and Samarium Cobalt (SmCo). 56% since the beginning of 2023, according to trading on a contract for difference (CFD) that tracks the benchmark market for this commodity. Having enough force to levitate it isn’t the problem. The magnet is about as thick as a cd and about as wide as your pinky but it'll hold up about 10lbs or so. More Magnetic Strength. An N42 magnet has a maximum energy product of 42 MGOe, while an N52 magnet has a maximum energy product of 52 MGOe. Neodymium magnets are a combination of Neodymium (Nd), Iron (Fe) and Boron (B), and are also referred to as NdFeB or Neo. The following number comes from an actual material prMagnetic Field Calculator. What is the pull force of N35 grade neodymium magnets? 1. N45 – Mid-range neodymium magnet. This is about 200 times the strength of the Earth’s magnetic field. The main ingredients of a neodymium magnet are neodymium itself, iron, and boron; the chemical compound known as NdFeb. This small loss is fully recoverable on cooling, providing that the maximum operating temperature is not exceeded. 99 $19. they generate their own magnetic field) made from an alloy of the metallic elements neodymium, iron and boron. 00005 tesla and an average MRI magnet measures 1. This tool calculates magnetic field strength measured in gauss, on the centerline of a disc magnet or ring magnet magnetized through its thickness, at a distance of X from the surface of the magnet. Neodymium magnets are sensitive to heat. 50. The best magnet to use for magnet fishing is a neodymium magnet as their relatively compact size can have a huge pull force. From £104.