How much does a 5mm diameter magnet cost?

When it comes to magnets, the 5mm diameter magnet is a popular choice for a wide range of applications, from scientific experiments to industrial uses and even in some creative DIY projects. As a supplier of 5mm diameter magnets, I often get asked about the cost of these small yet powerful components. In this blog post, I'll delve into the factors that influence the price of 5mm diameter magnets and provide you with a general idea of what you can expect to pay.

Factors Affecting the Cost of 5mm Diameter Magnets

Material

The material of the magnet is one of the most significant factors that determine its cost. There are several types of magnetic materials available, each with its own unique properties and price points.

• Neodymium Magnets: These are the strongest permanent magnets commercially available. They are made from an alloy of neodymium, iron, and boron (NdFeB). Neodymium magnets offer high magnetic strength and excellent resistance to demagnetization. However, due to the high cost of the raw materials and the complex manufacturing process, they are relatively expensive. For a 5mm diameter neodymium magnet, you can expect to pay anywhere from a few cents to a couple of dollars, depending on the grade and coating.
• Ceramic Magnets: Also known as ferrite magnets, ceramic magnets are made from a mixture of iron oxide and barium or strontium carbonate. They are less expensive than neodymium magnets because the raw materials are more abundant and the manufacturing process is simpler. A 5mm diameter ceramic magnet typically costs a fraction of the price of a neodymium magnet, usually just a few cents.
• Alnico Magnets: These magnets are made from an alloy of aluminum, nickel, and cobalt. Alnico magnets have good temperature stability and are often used in applications where high-temperature resistance is required. However, they are less strong than neodymium magnets and more expensive than ceramic magnets. The cost of a 5mm diameter alnico magnet can range from a few cents to over a dollar.

Grade

Within each type of magnetic material, there are different grades available. The grade of a magnet refers to its magnetic properties, such as its magnetic field strength and coercivity. Higher-grade magnets generally have stronger magnetic fields and better resistance to demagnetization, but they also cost more. For example, a 5mm diameter neodymium magnet of grade N35 will be less expensive than a magnet of grade N52, which has a higher magnetic field strength.

Coating

Magnets can be coated with various materials to protect them from corrosion and improve their appearance. The type of coating used can also affect the cost of the magnet.

• Nickel-Copper-Nickel (Ni-Cu-Ni) Coating: This is a common coating for neodymium magnets. It provides good corrosion resistance and a smooth, shiny finish. A 5mm diameter neodymium magnet with a Ni-Cu-Ni coating will be slightly more expensive than an uncoated magnet.
• Epoxy Coating: Epoxy coatings are often used to provide additional protection for magnets in harsh environments. They can also be used to customize the appearance of the magnet. The cost of an epoxy-coated 5mm diameter magnet will depend on the type of epoxy used and the thickness of the coating.
• Zinc Coating: Zinc coatings are a more economical option for protecting magnets from corrosion. They are commonly used on ceramic and alnico magnets. A 5mm diameter magnet with a zinc coating will generally be less expensive than one with a more advanced coating.

Quantity

The quantity of magnets you purchase also plays a role in determining the cost. As with most products, buying in bulk usually results in a lower per-unit price. If you need a large number of 5mm diameter magnets, you can expect to get a better deal than if you only buy a few. Many suppliers offer volume discounts, so it's worth considering how many magnets you need and comparing prices for different quantities.

Typical Cost Ranges

Based on the factors mentioned above, here are some typical cost ranges for 5mm diameter magnets:

• Neodymium Magnets:
  • Low-grade (e.g., N35) uncoated: $0.05 - $0.20 per piece
  • Medium-grade (e.g., N42) Ni-Cu-Ni coated: $0.15 - $0.50 per piece
  • High-grade (e.g., N52) epoxy-coated: $0.30 - $2.00 per piece
• Ceramic Magnets:
  • Uncoated: $0.01 - $0.05 per piece
  • Zinc-coated: $0.02 - $0.08 per piece
• Alnico Magnets:
  • Uncoated: $0.05 - $0.30 per piece
  • Epoxy-coated: $0.10 - $0.50 per piece

These are just general estimates, and the actual cost may vary depending on the specific supplier, market conditions, and other factors.

Comparing with Similar Products

If you're considering a 5mm diameter magnet, you may also be interested in other similar products. For example, a 4mm X 2mm Disc Magnet may be suitable for applications where a smaller size is required. The cost of a 4mm X 2mm disc magnet will generally be lower than that of a 5mm diameter magnet, especially if it is made of the same material and has similar properties.

Disc Shaped Magnet and Disc Magnets are also related products. The cost of these magnets will depend on their size, material, grade, and coating, just like the 5mm diameter magnets.

Why Choose Our 5mm Diameter Magnets

As a supplier of 5mm diameter magnets, we offer a wide range of options to meet your specific needs. We have magnets made from different materials, grades, and coatings, so you can choose the one that best suits your application and budget.

• High Quality: We source our magnets from reputable manufacturers and conduct strict quality control checks to ensure that they meet the highest standards. Our magnets have strong magnetic fields, good resistance to demagnetization, and excellent durability.
• Competitive Pricing: We understand the importance of cost-effectiveness, especially for large-scale projects. That's why we offer competitive prices on all our 5mm diameter magnets. Whether you need a few magnets for a small experiment or thousands for an industrial application, we can provide you with a great deal.
• Customization Options: If you have specific requirements for your magnets, such as a unique shape, size, or coating, we can work with you to customize the product. Our experienced team can help you design and manufacture the perfect magnets for your needs.
• Fast Delivery: We know that time is of the essence in many projects. That's why we strive to provide fast delivery on all our orders. Whether you need your magnets urgently or have a specific delivery date in mind, we'll do our best to meet your requirements.

Contact Us for a Quote

If you're interested in purchasing 5mm diameter magnets or have any questions about our products, please don't hesitate to contact us. Our friendly and knowledgeable customer service team is available to assist you and provide you with a quote. We look forward to working with you and helping you find the perfect magnets for your project.

References

• "Magnet Materials and Properties" - Physics World
• "The Science of Magnets" - National Geographic
• "Magnet Manufacturing Processes" - Industrial Magnetics, Inc.