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Meank offers high-strength, large neodymium magnets at competitive wholesale prices. These rare earth magnets, also called NdFeB strong magnets, boast greater energy levels. Neodymium magnets, the third-generation rare earth magnets, consist of Nd, Fe, and B elements in a tetragonal crystal structure. Their magnetic energy, BH(max), surpasses that of SmCo magnets, making them the world's most robust rare earth industrial magnets, including adhesive-backed types. For purchasing substantial neodymium magnets, feel free to contact us.
Extra Strong Neodymium Magnets
The remanence and energy product of neodymium magnets are higher than that of any other permanent magnets, so they are classified as very strong magnets(also called extra strong magnets).You can find very(extra) strong magnets in various fields of life and industry.
Large Neodymium Magnets
Unlock the power of Meank's Large Neodymium Magnets! Customized for diverse applications, our range ensures optimal performance with rust-resistant surface treatments.
Neodymium Magnetic Tiles
Elevate your projects with precision and performance using custom Neodymium Magnetic Tiles. Versatile motor magnets with tailored shapes and surface treatments.
Neodymium Disc Magnets
The flat and round shape strong NdFeB magnets are give the name of disc neodymium(NdFeB) strong magnets,the size of diameter is larger than its thickness,
Neodymium Block Magnets
Discover powerful rare earth neodymium block magnets for diverse applications. Custom sizes and coatings available. Optimize performance with high-quality magnets.
Neodymium Cylinder Magnets
Explore neodymium cylinder magnets - round sintered NdFeB magnets with excellent corrosion resistance and magnetic performance. Customize sizes for various applications.
Neodymium Ring Magnets
Explore our range of rare earth neodymium ring magnets, available in various sizes and grades. From tiny 5mm to larger 30mm outer diameter magnets, we offer versatile options for your magnetic needs.
Neodymium Cube Magnets
Neodymium cube magnets, small yet potent, offer versatile solutions for various applications. Explore their compact strength at Meank.
Neodymium Countersunk Block Magnets
Discover magnetic versatility with neodymium countersunk block magnets. Potent N35 composition, triple-layer plated steel, ideal for signage, woodworking, and secure closures. Powerful and reliable for diverse applications.
Neodymium Countersunk Ring Magnets
Unlock magnetic versatility with neodymium disc countersunk hole magnets. Precision-designed for secure fixation, they offer potent strength for diverse applications,
Neodymium Rectangular Magnets
Experience magnetic innovation with strong rectangular rare earth magnets – versatile and powerful, perfect for creative experiments and practical applications.
Neodymium Rod Magnets
Whether for educational, research, or experimental purposes, neodymium rod magnets deliver unparalleled magnetic strength, making them the top choice for various applications.
Neodymium Bar Magnets
Experience unmatched magnetic strength with neodymium bar magnets. Customizable, powerful, and reliable for diverse applications. Explore our collection now!
Neodymium Arc Magnets
Neodymium Arc Magnets - powerful and customizable magnetic solutions for diverse applications, ensuring efficiency and reliability.
Neodymium Tube Magnets
Neodymium Tube Magnets - Precision-engineered for versatility and durability. Elevate performance across industries with our powerful magnetic solutions.
Neodymium Sphere(ball) Magnets
Explore the strength and versatility of neodymium ball magnets. Perfect for scientific exploration, toys, and medical applications, delivering precision and creativity.
Neodymium Cone Magnets
Rare earth neodymium cone magnets: precision-engineered for versatile applications, these custom magnets redefine performance, providing unmatched reliability and efficiency in diverse industrial and creative settings.
Neodymium Magnetic Balls
Neodymium magnetic balls: custom, versatile, and machinable. Crafted from premium NdFeB material, available in various sizes. No molds required; tailored to meet unique specifications for endless applications.
Adhesive Neodymium Magnets
Adhesive backed neodymium magnets( neodymium magnets with adhesive backing) are just thin magnets with 3M self-adhesive on one of the magnetic poles. The adhesive layer is a 3M adhesive with a peel aw...
Black Neodymium Magnets
Discover epoxy-coated rare earth neodymium magnets – a perfect blend of strength and protection. Ideal for diverse applications, ensuring durability and corrosion resistance.
Neodymium Motor Magnets
The permanent magnets used for motor are give the name of motor magnets.For shape,most of motor magnets are in arc shape;for material,all ferrite motor magnets, SmCo motor magnets and neodymium motor ...
Neodymium Screw On Magnets
Explore Neodymium Screw On Magnets – powerful and versatile. Ideal for securing components, these magnets offer easy installation and durable magnetic strength.
Big Neodymium Magnets
Discover the power of big neodymium magnets – robust and versatile for industrial applications. Explore immense magnetic strength for your large-scale projects.
Powerful Neodymium Magnets
Experience formidable neodymium magnets - a fusion of strength and versatility, perfect for robust applications. Unleash unparalleled magnetic power in your projects.
Strong Neodymium Magnets
Strong magnets neodymium has played an irreplaceable role in various fields of modern industry. We have a wide type range of strong magnets for sale, which can meet the various applications.
Strongest Neodymium Magnets
We are a professional strongest magnets manufacturer that can custom strongest neodymium magnets with full size and grade grange. We have many strongest small and giant neodymium magnet for sale.
Super Neodymium Magnets
Unleash the extraordinary with Super Neodymium Magnets. Elevate your projects with unmatched strength and precision. Experience a magnetic revolution like never before.
Thin Neodymium Magnets
Discover versatility with thin neodymium magnets. Ideal for packaging, hardware, and electronics. Powerful and cost-effective. Click to explore now!
Tiny Neodymium Magnets
Discover the power of tiny neodymium magnets. Precision-crafted for diverse applications. Explore our range for optimal performance in small-scale projects.
Thanks to the excellent magnetic properties, sintered neodymium(NdFeB) strong permanent magnet materials are widely used in electronics, electrical machinery, motors,medical devices, toys, packaging, hardware machinery, aerospace and other fields. The most common application products of Meank strong neodymium magnets for sale are permanent magnet motors, loudspeakers, magnetic separators, salvage fishing magnet and mounting products.
Neodymium(NdFeB) strong magnet can be classified as sintered NdFeB and bonded NdFeB. Bonded NdFeB magnets have magnetism and corrosion resistance in all directions; sintered NdFeB magnet is generally divided into axial magnetized and diametrical magnetized, which is determined according to the required working face.
The sintered neodymium magnet is easy to corrode, and the surface needs to be coated, generally including zinc plating, nickel, environmental protection zinc, environmental protection nickel, nickel-copper-nickel, environmental protection nickel-copper-nickel, and epoxy coating. Meank is a professional manufacturer and supplier of sintered rare earth neodymium strong magnet, which is the strongest magnet and the most powerful magnet for sale in the world. We offer a wide range of large neodymium magnets for sale at a cheap price/cost. Wholesale is available, bulk buying is welcomed. Contact us and buy rare earth magnets now!
Anisotropy: Rare earth neodymium magnets exhibit anisotropy, featuring high saturation magnetization.
Highest Magnetic Energy: Among permanent magnetic materials, rare earth neodymium magnets demonstrate peak performance, boasting a maximum magnetic energy product (BH) of up to 52MGOe.
Limited Temperature Use: These powerful neodymium magnets possess low Curie temperature and, consequently, limited temperature stability, constraining their applicability in high-temperature conditions.
Corrosion Vulnerability: Surface discoloration, including white or other spots, may emerge, eventually evolving into rust. In most instances, protective coatings are necessary. Typically, electroplated rare earth neodymium magnets are less prone to rust spots in regular conditions.
Robust Mechanical Properties: Powerful neodymium magnets exhibit strong mechanical attributes and are easily cut and drilled.
Magnet | Remanence (Br) | HcB | HcJ | (B-H)max | Max.Temp. | ||||
(KGs) | (mT) | (Koe) | (KA/m) | (Koe) | (KA/m) | (MGOe) | (KJ/m3) | ℃ | |
N35 | 11.7-12.2 | 1170-1220 | ≥10.9 | ≥868 | ≥12 | ≥955 | 33-36 | 263-287 | 80℃ |
N38 | 12.2-12.5 | 1220-1250 | ≥11.3 | ≥899 | ≥12 | ≥955 | 36-39 | 287-310 | 80℃ |
N40 | 12.5-12.8 | 1250-1280 | ≥11.4 | ≥907 | ≥12 | ≥955 | 38-41 | 302-326 | 80℃ |
N42 | 12.8-13.2 | 1280-1320 | ≥11.5 | ≥915 | ≥12 | ≥955 | 40-43 | 318-342 | 80℃ |
N45 | 13.2-13.8 | 1320-1380 | ≥11.6 | ≥923 | ≥12 | ≥955 | 43-46 | 342-366 | 80℃ |
N48 | 13.8-14.2 | 1380-1420 | ≥10.5 | ≥836 | ≥12 | ≥955 | 46-49 | 366-390 | 80℃ |
N50 | 14.0-14.5 | 1400-1450 | ≥10.0 | ≥796 | ≥11 | ≥876 | 48-51 | 382-406 | 80℃ |
N52 | 14.3-14.8 | 1430-1480 | ≥10.0 | ≥796 | ≥11 | ≥876 | 50-53 | 398-422 | 60℃ |
N54 | 14.5-15.1 | 1450-1510 | ≥10.0 | ≥796 | ≥11 | ≥876 | 50-53 | 398-422 | 60℃ |
33M | 11.3-11.7 | 1130-1170 | ≥10.5 | ≥836 | ≥14 | ≥1114 | 31-33 | 247-263 | 100℃ |
35M | 11.7-12.2 | 1170-1220 | ≥10.9 | ≥868 | ≥14 | ≥1114 | 33-36 | 263-287 | 100℃ |
38M | 12.2-12.5 | 1220-1250 | ≥11.3 | ≥899 | ≥14 | ≥1114 | 36-39 | 287-310 | 100℃ |
40M | 12.5-12.8 | 1250-1280 | ≥11.6 | ≥923 | ≥14 | ≥1114 | 38-41 | 302-326 | 100℃ |
42M | 12.8-13.2 | 1280-1320 | ≥12.0 | ≥955 | ≥14 | ≥1114 | 40-43 | 318-342 | 100℃ |
45M | 13.2-13.8 | 1320-1380 | ≥12.5 | ≥995 | ≥14 | ≥1114 | 43-46 | 342-366 | 100℃ |
48M | 13.6-14.3 | 1360-1430 | ≥12.9 | ≥1027 | ≥14 | ≥1114 | 46-49 | 366-390 | 100℃ |
50M | 14.0-14.5 | 1400-1450 | ≥13.0 | ≥1033 | ≥14 | ≥1114 | 48-51 | 382-406 | 100℃ |
35H | 11.7-12.2 | 1170-1220 | ≥10.9 | ≥868 | ≥17 | ≥1353 | 33-36 | 263-287 | 120℃ |
38H | 12.2-12.5 | 1220-1250 | ≥11.3 | ≥899 | ≥17 | ≥1353 | 36-39 | 287-310 | 120℃ |
40H | 12.5-12.8 | 1250-1280 | ≥11.6 | ≥923 | ≥17 | ≥1353 | 38-41 | 302-326 | 120℃ |
42H | 12.8-13.2 | 1280-1320 | ≥12.0 | ≥955 | ≥17 | ≥1353 | 40-43 | 318-342 | 120℃ |
45H | 13.2-13.6 | 1320-1360 | ≥12.1 | ≥963 | ≥17 | ≥1353 | 43-46 | 342-366 | 120℃ |
48H | 13.7-14.3 | 1370-1430 | ≥12.5 | ≥995 | ≥17 | ≥1353 | 46-49 | 366-390 | 120℃ |
35SH | 11.7-12.2 | 1170-1220 | ≥11.0 | ≥876 | ≥20 | ≥1592 | 33-36 | 263-287 | 150℃ |
38SH | 12.2-12.5 | 1220-1250 | ≥11.4 | ≥907 | ≥20 | ≥1592 | 36-39 | 287-310 | 150℃ |
40SH | 12.5-12.8 | 1250-1280 | ≥11.8 | ≥939 | ≥20 | ≥1592 | 38-41 | 302-326 | 150℃ |
42SH | 12.8-13.2 | 1280-1320 | ≥12.4 | ≥987 | ≥20 | ≥1592 | 40-43 | 318-342 | 150℃ |
45SH | 13.2-13.8 | 1320-1380 | ≥12.6 | ≥1003 | ≥20 | ≥1592 | 43-46 | 342-366 | 150℃ |
28UH | 10.2-10.8 | 1020-1080 | ≥9.6 | ≥764 | ≥25 | ≥1990 | 26-29 | 207-231 | 180℃ |
30UH | 10.8-11.3 | 1080-1130 | ≥10.2 | ≥812 | ≥25 | ≥1990 | 28-31 | 223-247 | 180℃ |
33UH | 11.3-11.7 | 1130-1170 | ≥10.7 | ≥852 | ≥25 | ≥1990 | 31-34 | 247-271 | 180℃ |
35UH | 11.8-12.2 | 1180-1220 | ≥10.8 | ≥860 | ≥25 | ≥1990 | 33-36 | 263-287 | 180℃ |
38UH | 12.2-12.5 | 1220-1250 | ≥11.0 | ≥876 | ≥25 | ≥1990 | 36-39 | 287-310 | 180℃ |
40UH | 12.5-12.8 | 1250-1280 | ≥11.3 | ≥899 | ≥25 | ≥1990 | 38-41 | 302-326 | 180℃ |
28EH | 10.4-10.9 | 1040-1090 | ≥9.8 | ≥780 | ≥30 | ≥2388 | 26-29 | 207-231 | 200℃ |
30EH | 10.8-11.3 | 1080-1130 | ≥10.2 | ≥812 | ≥30 | ≥2388 | 28-31 | 223-247 | 200℃ |
33EH | 11.3-11.7 | 1130-1170 | ≥10.5 | ≥836 | ≥30 | ≥2388 | 31-34 | 247-271 | 200℃ |
35EH | 11.7-12.2 | 1170-1220 | ≥11.0 | ≥876 | ≥30 | ≥2388 | 33-36 | 263-287 | 200℃ |
38EH | 12.2-12.5 | 1220-1250 | ≥11.3 | ≥899 | ≥30 | ≥2388 | 36-39 | 287-310 | 200℃ |
28AH | 10.4-10.9 | 1040-1090 | ≥9.9 | ≥787 | ≥33 | ≥2642 | 26-29 | 207-231 | 230℃ |
30AH | 10.8-11.3 | 1080-1130 | ≥10.3 | ≥819 | ≥33 | ≥2642 | 28-31 | 223-247 | 230℃ |
33AH | 11.3-11.7 | 1130-1170 | ≥10.6 | ≥843 | ≥33 | ≥2642 | 31-34 | 247-271 | 230℃ |
Note:
●The above-mentioned magnetic performance dates are all given under room temperature.
●The above-mentioned maximum working temperature of neodymium magnets is changeable due to the ratio of length and diameter,surface treatment and environmental factors.
●All above mentioned magnetic property dates are just for reference.
Strong Nd-Fe-B magnet material has good machinability, is suitable for different machining, and can be customized into various shape, the shape of disc, block/rectangle, ring, cylinder, tube, cube, arc/segment, countersunk, bar, sphere, and cone are the most common types for rare earth neodymium (NdFeB)strong magnets.
Nickel,Zinc and Epoxy coated neodymium(NdFeB) strong magnets are the most widely used types;
Gold,silver,Teflon coated neodymium strong magnets also used for special application.
The rubber coated neodymium pot magnets and plastic coated neodymium (NdFeB)strong magnets are used as waterproof and rust-resistant neodymium magnets.
N35,N38,N40,N42,N45,N48,N50 and N52 are commonly used neodymium strong magnets, N52 neodymium magnet has the highest magnetic energy product.
The rare earth neodymium magnets with grade of H,SH,UH,EH,AH are used for higher working temperature.
Surface | Coating | Thickness (Microns) | Color | Resistance |
Passivation | 1 | Silver Grey | Temporary Protection | |
Nickel | Ni+Ni | 10-20 | Bright Silver | Excellent Against Humidity |
Ni+Cu+Ni | ||||
Zinc | Zn | 8-20 | Bright Blue | Good Against Salt Spray |
C-Zn | Shinny Color | Excellent Against Salt Spray | ||
Tin | Ni+Cu+Sn | 15-20 | Silver | Superior Against Humidity |
Silver | Ni+Cu+Ag | 10-20 | Silver | Superior Against Humidity |
Gold | Ni+Cu+Au | 10-20 | Gold | Superior Against Humidity |
Copper | Ni+Cu | 10-20 | Gold | Temporary Protection |
Epoxy | Epoxy | 15-25 | Black,Red,Grey | Excellent Against Humidity&Salt Spray |
Ni+Cu+Epoxy | ||||
Zn+Epoxy | ||||
Parylene | Parylene | 5-20 | Grey | Excellent Against Humidity,Salt Spray,Superior Against Solvents,Gases, Fungi and Bacteria,FDA Approved |
Chemical | Ni | 10-20 | Silver Grey | Excellent Against Humidity |
Phosphating can be adopted on neodymium strong magnets
Electroplating is the most commonly used surface treatment for strong neodymium magnets.
Electrophoresis is also a surface treatment way for powerful powerful rare earth magnets
Electroless(chemical)plating is used when there are particularly high requirements for corrosion protection.
Organic spraying is adopted when there are different color demands for strong neodymium magnets.
Parameter | International Unit | Standard Data |
Curie Temperature(Tc) | ℃ | 310-380 |
Maximum Operating Temperature(Tw) | ℃ | 80-230 |
Hardness | Hv | 620 |
Electrical Resistivity (ᵨ) | Ω.cm | 1.8x10⁻⁴ ~2.0x10⁻⁴ |
Density(D) | g/m³ | 7.45~-7.65 |
Recoil Permeability(µ rec) | 1.05 | |
Magnetization Field Strength(Hs) | kA/m | ≧2400 |
kOe | ≧30 | |
Bending Strength | Mpa | 295-345 |
Temp. Coefficient of Br | ％℃ | -0.11~-0.12 |
Temp.Coefficient of Hcj | ％℃ | -0.5~-0.7 |
Neodymium magnets are incredibly powerful. A mere 8x5mm round disc can exert over 1700g (3.75lb) force, surprising you with their strength. These magnets have revolutionized various applications, being over ten times stronger than ceramics. Switching to neodymium allows for smaller magnets with equal or greater strength. It's crucial to handle them cautiously, as even small ones can cause physical harm, and larger ones can potentially break bones. Always exercise care when dealing with rare earth neodymium magnets.
Neodymium magnets, crafted from neodymium, iron, and boron alloys, vary in composition for specific strength and purposes. Two primary manufacturing methods include sintering and bonding:
Sintering involves heating the alloy, molding ingots, grinding them into powder, pressing into molds, and sintering the powder into dense blocks. The final shape is achieved through cutting, coating, or electroplating, followed by magnetization.
Bonded neodymium magnets blend neodymium alloy powder with a polymer adhesive. These components are pressed or extruded, forming more intricate shapes and magnetized powders compared to those in sintered magnets.
The strongest magnets must be with the highest magnetic energy,rare earth magnet usually has high magnetic energy,and neodymium rare earth magnet is the strongest magnet on earth.
Rare earth neodymium magnets are no run-of-the-mill fridge magnets; they stand as the strongest permanent magnets. You might not be familiar with the term, but you've likely encountered them, sometimes known as neodymium iron boron (NdFeB) or neo magnets. Despite their formidable strength, these magnets are surprisingly lightweight, making them extensively utilized. Many technological advancements in recent decades would have been inconceivable without these neodymium rare earth magnets!
Since emerging in the early 1980s, rare earth neodymium magnets have found widespread application across various industries. If you're perusing this article on your mobile or computer, you're already utilizing neodymium magnets! Here are some common applications:
Hard Disk Drives: Magnetic units within hard disks, magnetized during data writing.
Audio Devices (Microphones, Headphones, Speakers): Neodymium magnets work with current-carrying coils, converting electrical energy to mechanical energy for sound production.
Dentures: Micro neodymium magnets secure dentures.
Doors with Magnetic Latches: Neodymium magnetic latches in commercial and residential buildings.
Magnetic Jewelry: Bracelets and necklace buckles in magnetic therapy jewelry.
Anti-lock Brake Sensors: Neodymium magnets within the copper coil of brake sensors.
In essence, rare earth neodymium magnets boast myriad applications.
Do you need high-quality and cheaper neodymium magnets for your projects? We always supply high-quality neodymium magnets for worldwide users. Know more about neodymium magnets here, then contact us and we hope to work for you on neodymium magnets.
For retail, we have high quality standard magnets assemblies with wide selection range for sale at cheap price(include mounting pot magnets, magnetic hooks, fishing magnets, magnetic bases and office magnets); For special applications, we can quickly provide the best magnetic application solutions.
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