| Product Name | Block Ferrite magnet Y35 for sale |
| Material | Ferrite |
| Shape | Block |
| Size | 50 x 50 x 5 mm |
| Grade | FE-Q-50-50-05 |
| Side 1 | 50 mm(+/- 1,0 mm) |
| Side 2 | 50 mm(+/- 1,0 mm) |
| Side 3 | 5 mm(+/- 0,1 mm) |
| Magnetization direction | Axis 5 mm |
| Max. working temperature | 250°C |
| Weight | 61 g |
Each magnet’s opposite poles are on the two largest opposing faces
Each magnet can support a steel weight of up to 20kg vertically from the magnetic face when in flush contact with a mild steel surface
Resistant to demagnetisation and corrosion without any extra coating
| Product Name | Rectangle Ferrite Magnet |
| Material | Ferrite |
| Thickness | 25.4mm |
| Magnetic Face | 152.4 x 101.4mm |
| Grade | Y30BH |
| Vertical Pull (Kg) | 20 |
| Slide Resistance (Kg) | 1.6 |
| Max Temp | 180℃ |
| Product Name | Ferrite Magnet Ball |
| Material | Ferrite |
| Color | Black |
| Size | D32x3mm |
| Grade | Y20-30 |
| Tolerance | +/-0.05mm |
| Type | Permanent, Permanent |
| Shape | Ball |
Large, white painted ferrite (Y30BH) magnetic hook. This discreet design makes them perfect for hanging signs or decorations from ceilings
| Article ID : | UPOTF04-57 |
| Shape: | Pot/Hook |
| Magnetic Face: | 57mm dia |
| Thickness: | 16mm |
| Grade: | Y30BH |
| Material: | Ferrite |
| Vertical Pull : | 25kg |
| Slide Resistance (Kg): | 5 |
| Max Temp (degrees C): | 180 |
Ferrite Ring magnets are made specifically for loudspeaker systems to crafts and toys and their sizes have evolved with demand from this market. And Ferrite ring magnets are also commonly used in magnetic rollers for separating applications and in the printing industry. They are also a vital component found in fast running conveyor systems in many manufacturing plants dealing with ferrous material. Ferrite Magnets are a low cost alternative to the more expensive (and powerful) neodymium magnet ranges. Ferrite magnets offers a standard level of magnetic performance at a low cost. Ferrite Magnets have a good resistance to demagnetization and their low cost makes them a popular choice.
Ceramic Rings Ø 250 mm x Ø 110 mm x 25 mm Y35 Ferrite Magnet Ring
| Product Name | Ferrite Ring Magnet For 15 inch Tweeter Speaker |
| Form | Ring |
| Dimension | Outer-Ø 250 mm, Inner-Ø 110 mm,Thickness 25mm |
| Material | Ferrite Anitsotrop |
| Grade | Y35 |
| Coating | uncoated |
| Material | Fe2O3 (Ferrit) |
| Magnetized | axial |
| Max Temp | 250 °C |
| Weight | 4850 g |
Magnets have become an integral part of our modern world, and their applications are endless. From small household appliances to large industrial machines, magnets play a significant role in making our lives easier and more efficient. One of the most important aspects of magnets is their strength, which determines their effectiveness in various applications. In this article, we will discuss the strongest permanent magnets in the world and their applications and uses.
Neodymium magnets, also known as NdFeB magnets, are the strongest permanent magnets in the world. They are made from an alloy of neodymium, iron, and boron and were first developed in the 1980s. These magnets have a very high magnetic field strength, making them ideal for a wide range of applications.
Applications and uses:
Neodymium magnets are commonly used in the following applications:
Samarium Cobalt (SmCo) magnets are another type of rare earth magnet that has high magnetic strength. These magnets are made from an alloy of samarium, cobalt, and iron and were developed in the 1960s. They are very expensive compared to other magnets, but they have excellent magnetic stability and can operate at high temperatures.
Applications and uses:
Samarium Cobalt magnets are commonly used in the following applications:
Alnico magnets are made from an alloy of aluminum, nickel, and cobalt, and have a high magnetic strength. They were first developed in the 1930s and were the strongest magnets available at the time. However, their strength is not as high as neodymium magnets, but they have excellent temperature stability and can operate at high temperatures.
Applications and uses:
Alnico magnets are commonly used in the following applications:
Ceramic magnets, also known as ferrite magnets, are the most affordable and widely used magnets in the world. They are made from a ceramic material and have a lower magnetic strength than other types of magnets. However, they are very durable and can operate at high temperatures.
Applications and uses:
Ceramic magnets are commonly used in the following applications:
Conclusion:
Magnets have revolutionized the modern world, and their applications and uses are endless. The strongest permanent magnets in the world, such as neodymium magnets and samarium cobalt magnets, have opened up new possibilities in various fields such as medicine, aerospace, and energy production. As technology continues to advance, it is likely that we will see more uses for these powerful magnets in the future.
READ MOREThe Characteristics of NdFeB Magnets include requiring a protective coating/surface finish to minimize the effects of corrosion. Iron within the structure can ‘rust’ which causes a permanent structural change in NdFeB, resulting in a permanent weakening of the magnetic performance – the worst-case scenario is a total loss of magnetism.
A NdFeB magnet kept in dry conditions will not corrode and will retain its performance theoretically forever (if not subjected to excessive heat, radiation, or strong external magnetic fields). If the conditions are wet, it is recommended that alternative magnets be considered for use so that the magnet design tries to protect the magnet from moisture (e.g. encasing, modified coatings such as zinc plus rubber, etc). The plating/surface finish should be hermetic for best corrosion protection – scratched or damaged surfaces may render the affected region more prone to corrosion.
Marine environments (salt sprays, seawater) are particularly corrosive and far from ideal for NdFeB. In critical applications with unacceptable corrosion and magnet failure, magnets such as ferrite or SmCo may be more suitable. Please note that any claims that a NdFeB magnet will not corrode are misleading. It is claimed that higher Hci magnets resist corrosion better although the empirical results are not so conclusive (a trend suggesting an improvement in corrosion resistance exists but it is not guaranteed). The application and overall design determine how well the magnet will perform in damp environments.
READ MORE1、Magnetism and magnetic materials
2、Ferrite magnetic material
3、Samarium cobalt permanent magnetic material
4、Other magnetic materials
5、Comparison of properties of various magnetic materials
When it comes to magnetic materials, we have to talk about “magnetism” first. Experiments show that any substance can be more or less magnetized in the external magnetic field, but the degree of magnetization varies. According to their properties in the external magnetic field, substances can be divided into five categories: paramagnetic substances, diamagnetic substances, ferromagnetic substances, ferromagnetic substances, and antiferromagnetic substances:
Paramagnetic substance: a substance which, when moved closer to a magnetic field, is magnetized according to the direction of the field, but is so weak that it can only be measured by precise instruments. If the applied magnetic field is removed, the internal magnetic field will return to zero, resulting in no magnetism. Such as aluminum, oxygen, etc.
Diamagnetic substance: a substance with a negative magnetic susceptibility. When subjected to an external magnetic field, the molecule generates an induced electron circulation, which generates a magnetic moment opposite to the direction of the external magnetic field. In other words, the direction of the magnetic field after magnetization is opposite to the direction of the external magnetic field. All organic compounds are diamagnetic, graphite, lead, water, etc.
Ferromagnetic substance: it is a kind of material which is magnetized under the action of external magnetic field, and still can maintain its magnetized state even if the external magnetic field disappears. Iron, cobalt and nickel are all ferromagnetic substances.
Ferromagnetic material: macromagnetism is the same as ferromagnetism, only with a lower magnetic susceptibility. Typical ferromagnetic material is ferrite. They differ most significantly from ferromagnetic materials in their internal magnetic structures.
Antiferromagnetic substance: inside an antiferromagnetic substance, the spins of adjacent valence electrons tend to be in opposite directions. The material has a net magnetic moment of zero and produces no magnetic field. This material is less common, and most antiferromagnetic substances exist only at low temperatures. If the temperature is above a certain value, it usually becomes paramagnetic. For example, chromium, manganese and so on have antiferromagnetism.
We call paramagnetic and diamagnetic substances as weak magnetic substances, and ferromagnetic and ferrous magnetic substances as strong magnetic substances. The magnetic material that says normally is to point to strong magnetic material commonly. Magnetic materials can be divided into:
Soft magnetic material: the magnetic material with low coercivity and high permeability can achieve the maximum magnetization with the minimum external magnetic field. Soft magnetic materials are easy to magnetize and easy to demagnetize. For example: soft ferrite, amorphous nanocrystalline alloy.
Hard magnetic material: also called permanent magnetic material, it refers to the material that is difficult to be magnetized and difficult to be demagnetized once magnetized. Its main characteristic is that it has high coercivity, including rare earth permanent magnetic material, metal permanent magnetic material and permanent magnetic ferrite.
Functional magnetic materials: magnetostrictive materials, magnetic recording materials, magnetoresistance materials, magnetic bubble materials, magneto-optical materials and magnetic thin film materials.
READ MORE
| Product Name | Fishing Magnet 1000lbs |
| Item code | HTN04-60C/HTN04-75E/HTN04-85/HTN04-90 |
| Size(mm) | D60×15×M8
D75×18×M10 D85×18×M10 D90×18×M10 |
| Pull Force (kg) | 113/162/220/227 |
| Working Temperature (°C) | 60~230℃ |
| Product Name | 350lb Fishing Magnet With Rope |
| Item code | HTN04-60C/HTN04-75E/HTN04-85/HTN04-90 |
| Size(mm) | D60×15×M8
D75×18×M10 D85×18×M10 D90×18×M10 |
| Pull Force (kg) | 113/162/220/227 |
| Working Temperature (°C) | 60~230℃ |
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