Magnetic Material

Professional Magnetic Material Manufacturer

 

We're a tech and innovation-driven company specializing in magnetic material products. Products such as our super strong disc magnets, super strong magnet bars, custom neodymium magnet, and samarium cobalt rod magnet showcase cutting-edge technology and a dedication to engineering excellence. By pushing technological boundaries, we ensure our products deliver superior performance and reliability.

 

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Why Choose Us

Production Equipment

We have hydrogen breakers, magnetizers, automatic welding machines, automatic bending machines, laser cutting machines, metal detectors and other equipment. And the perfect quality inspection equipment and system makes us have stable quality.

Quality Assurance

We always feel that all success of our company is directly related to the quality of the products we offer. They meet the highest quality requirements as stipulated in ISO9001, ISO14000:14001 SGS guidelines and our stringent quality control system.

Global Market

We then expanded into international sales to provide more products for Europe, North America, Middle East and South East Asia regions. In addition to magnetic assemblies, we also have neodymium magnets, samarium cobalt magnets and other magnets for electric motors, and magnets for buttons.

Customized Service

Our sales staff will provide customized product solutions for each customer. Our extremely fast response policy ensures that every customer inquiry is answered within 12 hours (business days).

 

 

Types of Magnetic Material
Magnetic Material Separator
When A Rod Of Magnetic Material Of Size 10cm
A Material Rod When Placed in A Strong Magnetic Field
Wet Drum Magnetic Separators

Neodymium Magnetic
Neodymium magnets are amongst the most powerful magnets in the world. They are made from a combination of neodymium, iron, and boron, which gives them their incredible strength and durability.

 

Super Strong Small Magnets
Super strong small magnets are a marvel of modern technology. These miniature magnets can generate immense magnetic fields, far exceeding their size and weight.

 

Neodymium Iron Boron Magnet
Neodymium iron boron magnets are a type of permanent magnet that have become incredibly popular in recent years due to their exceptional magnetic properties.

 

Neodymium Magnet Motor
Neodymium magnet motors have revolutionized the world of technology in recent times, making them an essential component in various industrial and household applications.

 

Super Strong Magnet Bars
Super strong magnet bars are a fascinating innovation that has rocked the technological world. The quality and precision that these bars offer is unmatched, and they have been a game-changer in various fields of science and technology.

 

Super Strong Rare Earth Magnet
Super strong rare earth magnets are amazing materials that have a wide range of uses. These magnets are made of alloys that contain rare earth elements such as neodymium, samarium, and dysprosium.

 

Neodymium Magnet Specification Parameters

 

Product Information

Product name

Permanent, Nd Rectangular Block magnet,
Neo Rectangular Block magnet, Rare earth Rectangular Block magnet

Material

Neodymium iron boron, Neo Magnet, Nd Magnet, Rare earth Magnet

Grade
& working
Temperature

Grade

Max Operating Temperatures

N35-N54

80°C (176°F)

35M-52M

100°C (212°F)

35H-50H

120°C (248°F)

33SH-48SH

150°C (302°F)

28UH-45UH

180°C (356°F)

28EH-42EH

200°C (392°F)

28AH-40AH

230°C (446°F)

Shape

Block or Rectangular or Cuboid, but Disc, Ring, Cylinder, Arc and Irregular shape are also available

Coating

Ni, Ni-Cu-Ni, Electroless Nickel, Zinc, Colored Zinc, Epoxy, Passivation, Phosphated, Everlube, Au, Ag, Sn etc.

Magnetized
direction

Thickness Magnetized, but Axially, Diametrical, Multipoles and Radial magnetization are also available, Customized magnetization is welcome.

Certificate

ISO/TS 16949, ISO9001, ISO14001, RoHS, REACH

 

 
Advantages of Neodymium Magnet
 
01/

Superior Strength: Neodymium magnets are incredibly strong, making them the most powerful permanent magnets available. They are perfect for applications where a strong magnetic field is required.

02/

Small size: Despite their strength, neodymium magnets are compact and come in various shapes and sizes. This makes them suitable for applications where space is limited.

03/

Wide Temperature Range: They can operate in a wide temperature range, from extremely low temperatures to high heat, making them versatile for various environments.

04/

Wide Range of shapes: Neodymium magnets come in various shapes,including discs, blocks, and rings, allowing for customisation according to specific needs.

 

Application of Neodymium Magnet
 

Magnetic separators: Neodymium magnets are used in magnetic separators to separate iron ore from other materials.

 

Hard disk drives: Neodymium magnets are used in the actuators that move the heads of hard disk drives. The magnets are also used in the magnetic platters that store data.

 

Electric motors: Neodymium magnets are used in the motors of many small appliances, such as blenders and food processors. They are also used in the motors of electric vehicles.

 

Speakers: Neodymium magnets are used in the speakers of many consumer electronics, such as smartphones and laptops. They are also used in the speakers of high-end audio systems.

 

Magnetic levitation: Neodymium magnets are used in magnetic levitation trains. The magnets levitate the train above the track, allowing it to travel at high speeds.

 

MRI machines: Neodymium magnets are used in magnetic resonance imaging (MRI) machines. The magnets create a strong magnetic field that is used to create images of the body’s internal structures.

 

Magnetic therapy: Neodymium magnets are sometimes used in magnetic therapy, which is a controversial practice that claims to relieve pain and other symptoms.

 

Customization Options
1

Custom Size

MCI offers a range of custom neodymium magnets in a variety of shapes including rectangular, square and ring, in a variety of sizes.

2

Grade Choose

The grade of a neodymium magnet refers to its strength. We offer a range of grades, from N35 to N52, to meet the different requirements of our customers.

3

Magnetizing Direction

Neodymium magnets are generally magnetized in the direction of thickness magnetization, axial magnetization, radial magnetization, multi-pole magnetization, radial magnetization and custom magnetization, depending on your product requirements.

4

Surface Coation

To prevent this, we offer a range of surface coatings, including nickel, copper, gold, and epoxy.

 

Video

 

 

Samarium And Cobalt Magnets Specification Parameters

 

 

Product Information

Product name

Permanent, Nd Rectangular Block magnet,
Neo Rectangular Block magnet, Rare earth Rectangular Block magnet

Material

Neodymium iron boron, Neo Magnet, Nd Magnet, Rare earth Magnet

Grade
& working
Temperature

Grade

Max Operating Temperatures

N35-N54

80°C (176°F)

35M-52M

100°C (212°F)

35H-50H

120°C (248°F)

33SH-48SH

150°C (302°F)

28UH-45UH

180°C (356°F)

28EH-42EH

200°C (392°F)

28AH-40AH

230°C (446°F)

Shape

Block or Rectangular or Cuboid, but Disc, Ring, Cylinder, Arc and Irregular shape are also available

Coating

Ni, Ni-Cu-Ni, Electroless Nickel, Zinc, Colored Zinc, Epoxy, Passivation, Phosphated, Everlube, Au, Ag, Sn etc.

Magnetized
direction

Thickness Magnetized, but Axially, Diametrical, Multipoles and Radial magnetization are also available, Customized magnetization is welcome.

Certificate

ISO/TS 16949, ISO9001, ISO14001, RoHS, REACH

 

Advantages of Samarium And Cobalt Magnets

 

Temperature Stability

The defining characteristic of samarium cobalt magnets is their exceptional temperature stability. These magnets can operate at higher temperatures compared to other types of magnets, without significant loss of magnetic strength.

Corrosion Resistance

Samarium cobalt magnets are known for their resistance to corrosion, which enhances their durability and longevity. This property reduces the cost and potential failure of plating magnets.

High Magnetic Strength

Samarium cobalt magnets exhibit extremely high magnetic strength, surpassing many other types of permanent magnets. This property makes them ideal for applications requiring strong and stable magnetic fields.

Low Temperature Coefficient

Samarium cobalt magnets have a low-temperature coefficient of magnetic remanence and coercivity. This means that their magnetic properties are less sensitive to temperature changes compared to other magnet materials.

Long Operational Life

The robustness and stability of samarium cobalt magnets contribute to their long operational life. This makes them a cost-effective choice for applications where reliability and longevity are critical factors.

 

Application of Samarium And Cobalt Magnets

 

 
 

Aerospace

Samarium cobalt magnets are employed in aerospace applications, such as actuators, sensors, and control systems, where their high magnetic strength, temperature stability, and resistance to demagnetization are crucial.

 
 

Automotive

In the automotive industry, samarium cobalt magnets are used in electric vehicle (EV) motors, sensors, and actuators, contributing to the efficient operation and performance of electric and hybrid vehicles.

 
 

Electronics

Samarium cobalt magnets play a vital role in electronic devices and components, including speakers, magnetic sensors, magnetic bearings, and high-performance motors, enhancing their functionality and reliability.

 
 

Medical Equipment

Samarium cobalt magnets are utilized in medical devices and equipment, such as MRI machines, surgical tools, and implantable devices, where their stable magnetic properties and biocompatibility are essential.

 
 

Industrial Applications

Samarium cobalt magnets are used in various industrial applications, including magnetic separators, lifting and holding systems, magnetic couplings, and torque limiters, where their strong magnetic force, corrosion resistance, and long-term reliability are critical.

 
 

Research and Development

Samarium cobalt magnets are valuable tools in research laboratories and scientific experiments, where precise and stable magnetic fields are required for studies in physics, chemistry, materials science, and engineering.

 
 

High-Temperature Environments

Samarium cobalt magnets are well-suited for use in high-temperature environments, such as in furnace and oven applications, due to their temperature stability and resistance to demagnetization.

 
 

Military and Defense

Samarium cobalt magnets are utilized in various military and defense applications, including radar systems, sonar equipment, missile guidance systems, and magnetic actuators, where their robustness and reliability are essential for mission success.

 

Manufacturing and Production of Samarium And Cobalt Magnets

 

Manufacturing Process Overview

  • Powder Preparation: Powdered Samarium, Cobalt, and other elements are mixed in the desired proportions to form the raw material for the magnetic alloy.
  • Shaping: The raw material is shaped into the desired form of the magnet using methods like pressing or injection molding.
  • Sintering: The shaped magnet is subjected to high temperatures in a sintering furnace to fuse the particles together and form a dense magnet.
  • Machining: The sintered magnet may undergo machining or grinding to achieve precise dimensions and shapes.
  • Surface Treatment: Optional surface treatments such as plating or coating may be applied to improve the magnet's corrosion resistance and appearance.

 

Common Production Methods

  • Powder Metallurgy: The most common method for manufacturing Samarium Cobalt magnets, involving powder preparation, shaping, and sintering.
  • Injection Molding: Used for complex shapes or mass production, where the powdered material is mixed with a binder and injected into molds.
  • Hot Pressing: Involves applying heat and pressure simultaneously to the powdered material to from the magnet.

 

Shipping and Delivery

 

Packing

Standard sea or air packing, such as carton, wooden box, pallet etc.

Lead time

7 days for samples, 15-20 days for mass production.

Transportation

All shipping methods are available: courier (TNT, DHL, FedEx, UPS), air or sea.
Shipper or freight forwarder can be appointed by either purchaser or TC.

 

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Certificate

 

 

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FAQ

Q: How strong are Samarium Cobalt magnets?

A: Samarium cobalt (SmCo) magnets are known for their high magnetic strength and resistance to demagnetization, especially at high temperatures, making them suitable for applications where temperature stability and magnetic reliability are crucial.

Q: Do Samarium Cobalt magnets rust?

A: Samarium–cobalt magnets have a strong resistance to corrosion and oxidation resistance, usually do not need to be coated and can be widely used in high temperature and poor working conditions.

Q: What are the grades of samarium cobalt magnets?

A: For Samarium Cobalt (SmCo) Magnets, the BHmax will range from 16 MGOe to 32 MGOe. Again, like neodymium magnets, the higher the number, the stronger the magnet. The common grades for Samarium Cobalt magnets are 16, 18, 20, 22, 24, 26, 28, 30, and 32.

Q: How long will neodymium magnets last?

A: A permanent magnet if kept and used in optimum working conditions will keep its magnetism for years. It's estimated that neodymium magnets only lose approximately 5% of their magnetism every 100 years.

Q: Do neodymium magnets mess up electronics?

A: Yes, it is a good practice to keep strong magnets, especially neodymium magnets, away from electronics. They can interfere with magnetic sensors, erase data from magnetic storage devices, or damage sensitive components. Even though modern devices have some protection, it's best to err on the side of caution.

Q: Do neodymium magnets weaken over time?

A: However, they are still susceptible to some degradation over time. One way that neodymium magnets can lose their strength is through a process called demagnetization, which occurs when the magnet is exposed to high temperatures.

Q: How to make a neodymium magnet stronger?

A: To potentially increase the strength of a neodymium magnet, you can consider stacking multiple magnets together, exposing them to cold temperatures, or using a stronger magnet to remagnetize them.

We're well-known as one of the leading magnetic material manufacturers and suppliers in China. If you're going to buy high quality magnetic material with competitive price, welcome to get more information from our factory. Also, customized service is available.

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