1mm (18 AWG) Thick Copper Wire (99.9% Copper – Cu)


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Thick Copper Wire

The Crazy Wire Company are best know as suppliers of top quality thick copper wire. We have enormous stock levels at all times, as we use this wire to weave our woven mesh products.

A 1mm bare copper wire refers to a wire made of pure copper with a diameter of 1 millimeter, and without any protective coating or insulation. Bare copper wire is commonly used in electrical applications where the high conductivity and electrical properties of copper are required, but where the wire does not need to be protected from environmental factors or from electrical isolation.

Some common applications for bare copper wire include electrical grounding, the manufacture of electrical components, and the construction of electromagnets. The wire’s electrical properties, such as its resistance and conductivity, will depend on factors such as the purity of the copper and the manufacturing process used.

Key product details:

  • 99.9% Copper with the 0.01% being made up of trace elements.
  • Assay – =99.9%
  • Form – wire
  • Resistivity – 1.673 µO-cm, 20°C
  • Diam. – Various
  • bp – 2567 °C(lit.)
  • mp – 1083.4 °C(lit.)
  • Density – 8.94 g/mL at 25 °C(lit.)

Other Available Copper Options

Why Use The Crazy Wire Company

  1. Quality of products: The Crazy Wire Company always  offer high-quality products that meet industry standards and customer expectations.
  2. Selection: We offer a wide variety of wire products and sizes to meet the diverse needs of our customers. We have more than 600 products available through our site and counting. 
  3. Price: We always offer the best value possible. Our wires are available as part of our major weaving processes, so it is bought at the best possible rate. 
  4. Availability: Our products are kept in house and are ready to ship immediately. 
  5. Customer service: Our experienced staff help our customers feel confident in their purchases and provide assistance when required. 

What Else Is Available?

We do not only offer copper round wire. We also have a huge range of KA1 and stainless steel round wire in stock at all times.

Ribbon wire and flat wire are stocked for immediate dispatch too.


FAQs About Copper Wire

Will Copper Wire Rust?

Copper wire will not rust as rusting is a process that occurs in iron and steel due to the reaction of iron and water in the presence of oxygen. Copper is a non-ferrous metal, meaning it does not contain iron, and therefore cannot rust. However, copper can tarnish over time when exposed to air and moisture, forming a greenish patina on the surface of the metal.

What Is Copper Wire Used For?

Copper wire is widely used in a variety of applications due to its high electrical conductivity, corrosion resistance, and ease of fabrication. Some of the most common uses for copper wire include:

  1. Electrical Wiring: Copper is the most commonly used material for electrical wiring due to its high conductivity and ability to transmit electrical signals efficiently. Copper wire is used to connect electrical components, distribute electrical power, and provide electrical grounding.
  2. Electrical Components: Copper wire is used to manufacture a wide range of electrical components, including transformers, motors, generators, and electromagnets.
  3. Electronic Devices: Copper wire is used in the manufacture of electronic devices, such as computers, cell phones, and televisions, to connect and transmit electrical signals.
  4. Power Transmission: Copper wire is used to transmit electrical power over long distances, such as in power grid systems and electrical transmission lines.
  5. Decorative Art: Copper wire is also used in decorative arts, such as jewellery making and metalwork, due to its ability to be easily formed and molded into various shapes and designs.
  6. Industrial Applications: Copper wire is used in a variety of industrial applications, including the construction of heat exchangers, the manufacture of electrical devices, and the production of wire rope and cable.
  7. Automotive Applications: Copper wire is also used in automotive applications, such as the wiring of vehicles and the manufacture of electrical components.

How Long Does Copper Wire Last?

The lifespan of copper wire depends on a variety of factors, including the quality of the copper, the environment in which it is stored and used, and the type of application. In general, copper wire has a long service life, and with proper installation and maintenance, it can last for many years or even decades.

One of the main factors that affects the lifespan of copper wire is the presence of corrosive elements, such as moisture, salt, or acids. Exposure to these elements can cause the wire to corrode and degrade over time, which can reduce its conductivity and overall performance. To prevent corrosion, it’s important to store and install the wire in a dry and well-ventilated environment, and to avoid exposing it to corrosive elements.

Another factor that affects the lifespan of copper wire is its operating temperature. Copper wire has a relatively low melting point, and it can become damaged or fail if it is subjected to high temperatures for an extended period of time. To prevent thermal damage, it’s important to use the wire within its rated temperature range, and to avoid exposing it to high temperatures or other thermal stressors.

In addition, the lifespan of copper wire can also be affected by other factors, such as mechanical stress, exposure to electromagnetic fields, and exposure to UV light. To ensure optimal performance and longevity, it’s important to choose the right type of copper wire for the specific application, and to follow best practices for installation and maintenance.

Is Copper Wire Magnetic?

Copper wire is not magnetic. Copper is a non-magnetic material, which means it does not produce a magnetic field and does not respond to magnetic fields. When a magnetic field is applied to a piece of copper wire, the wire does not produce any magnetic effect or magnetic force.

This property of copper makes it a popular choice for electrical wiring and other electrical applications, as it does not interfere with the operation of other magnetic components, such as electromagnets or transformers. In addition, copper’s high conductivity and low resistance make it an ideal material for transmitting electrical signals and for use in electrical circuits.



Check out our blog ‘what you need to know about: pure copper wire’  for more information on copper wire in general. Our goal for our blogs and help guides is to answer as many questions as possible to help to explain the possibilities of mesh to our customers. 

We also offer similar products through our highly popular eBay store, check us out there too.

Contact our team today if you have any questions at all. We are always really keen to help in any way that we can.

Additional information


10 Metres (33 Feet), 25 Metres (82.5 Feet), 50 Metres (166.66 Feet)


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