0.6mm (22 AWG) NiCr 80/20 Resistance Heating Wire


The 0.6mm (22 AWG) NiCr 80/20 resistance heating wire is a durable alloy blend of nickel and chromium, designed for consistent heat output in various applications. Notable for its stability at high temperatures and excellent oxidation resistance, this wire is ideal for both domestic appliances like toasters and ovens, and industrial setups like furnaces. Its flexibility also allows for diverse shaping, making it a top choice for controlled heating needs across sectors.

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✔ Huge Range Available

✔ Produced In Warrington, UK

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Nichrome Resistance Heating Wire

The Crazy Wire Company are best known as suppliers of top quality nichrome resistance heating wire. We have enormous stock levels at all times, as we use this wire to weave our high-specification woven mesh products. Our brilliant staff are experts in producing our spools of round wire on our 6 rapid action winding machines. All spools are produced to carry a little extra length to make up for any waste when handling the product.

The 0.6mm (22 AWG) NiCr 80/20 resistance heating wire is a meticulously crafted alloy wire primarily composed of nickel (80%) and chromium (20%), specifically designed to meet the diverse needs of modern resistance heating applications. By combining these two properties, the wire delivers consistent heat. This makes it ideal for a variety of applications requiring controlled heat generation. The NiCr 80/20 wire has a remarkable stability at high temperatures, ensuring reliability and longevity in resistance heating. Aside from its high resistance and good oxidation resistance, this material is also suitable for applications that demand both efficiency and durability.

A variety of sectors use this resistance heating wire, including domestic appliances like toasters, ovens, and hair dryers, as well as industrial furnaces and kilns. Additionally, the wire can be incorporated into ceramic heaters, laboratory equipment, and other devices that require controlled heating. Also, manufacturers can craft it into a variety of forms and shapes based on its flexibility and resilience.

Key product details:

  • Diameter – 0.6mm (600 Micron – 22 AWG) 
  • Ohms/m – 3.89
  • Technical Specification:
  • Ni – Rest
  • Cr – 20.0 – 23.0
  • Fe – <1.0
  • Max Continuous Service Temp Of Element – 1200
  • Micrographic Structure – Austenite
  • Magnetic Properties – Nonmagnetic
  • Electrical resistance is high
  • Corrosion resistance is high

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 Ni80 round wire. We also have a huge range of KA1 and stainless steel round wire in immediate stock too.

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


FAQs About This Wire

What Is Heating Resistance Wire?

Heating resistance wire is a type of electrical wire that is specifically designed to convert electrical energy into heat energy. It is made from a conductive material, typically nickel-chromium (NiCr) or iron-chromium-aluminium (FeCrAl), that has a high resistance to electrical current flow. This high resistance results in significant heating when an electrical current is passed through the wire.

Heating resistance wire is used in a variety of applications, including heating elements for appliances, heating systems for industrial processes, and in various medical devices. The wire is often wound into coils or wrapped around a ceramic core to increase its surface area, which helps to distribute heat evenly.

The choice of material and design of heating resistance wire is important, as it affects factors such as the wire’s temperature resistance, thermal stability, and longevity. By carefully selecting the right heating resistance wire for a specific application, it is possible to achieve consistent and efficient heating, while also ensuring safety and reliability.

Does Heating A Wire Increase Resistance?

Yes, heating a wire can increase its resistance. This increase in resistance is due to a phenomenon known as temperature coefficient of resistance, which states that the resistance of a material increases with an increase in temperature. This effect is due to the movement of the electrons in the wire, which become more energetic as the temperature increases. The increased energy of the electrons leads to more collisions between the electrons and the lattice structure of the wire, resulting in an increase in resistance.

In practice, the increase in resistance due to heating can be significant, especially for materials with a high temperature coefficient of resistance, such as Nichrome and KA1 wire. This increase in resistance can have significant effects on the performance of heating elements that are designed to operate at a specific resistance and temperature. For example, if a heating element is designed to operate at a specific temperature, an increase in resistance due to heating could cause it to overheat and become damaged, or it could reduce its overall efficiency.

Is Normal Wire Heat Resistant?

No, normal wire is not typically heat resistant. Normal wire refers to electrical wiring that is used to carry electrical current in electrical circuits and is usually made of copper or aluminum. These materials have low temperature coefficients of resistance, which means that their resistance changes relatively little with temperature. However, they are not designed to withstand high temperatures and can become damaged if exposed to high temperatures for an extended period of time.

For high-temperature applications, such as heating elements, special alloys that have a high resistance to high-temperature oxidation and corrosion are typically used, such as Nichrome and KA1. These alloys have high temperature coefficients of resistance. This makes them well-suited for use as resistance heating wire in high-temperature applications, where their resistance increases with temperature, leading to a more efficient transfer of heat.

Heater Wire Resistance Calculation

The resistance of a heating wire can be calculated using Ohm’s Law, which states that the resistance (R) of a conductor is equal to the voltage (V) across it divided by the current (I) flowing through it:

R = V / I

To calculate the resistance of a heating wire, you need to know the wire’s length, cross-sectional area, and the material properties of the wire. The resistance of a wire is proportional to its length and inversely proportional to its cross-sectional area, and is given by the equation:

R = ρ * L / A

Where ρ is the resistivity of the wire material, L is the length of the wire, and A is the cross-sectional area of the wire.

It is important to note that the resistance of a heating wire is not constant and can change with temperature, due to the temperature coefficient of resistance. To accurately calculate the resistance of a heating wire, it is important to take into account the temperature coefficient of the wire material, as well as any changes in the wire’s length or cross-sectional area that may occur due to thermal expansion or other factors.


Check out our blog ‘what is nichrome‘ for more information on ni80 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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