0.9mm (19 AWG) Nichrome Resistance Ni80 Wire


The ni80 wire, with a 0.9mm (19 AWG) diameter, is a blend of nickel and chromium known for its quick heating and consistent resistance across varying temperatures. Suitable for a range of applications, from small appliances and industrial furnaces to aerospace and metallurgy, its corrosion-resistant and malleable nature ensures durability and ease of use. The ni80 wire is a top choice for efficiency, longevity, and versatility.

Please Feel Free To Contact Our Team If You Have Any Questions At All. We Are Always Keen To Help In Any Way We Can.

✔ Huge Range Available

✔ Produced In Warrington, UK

✔ Shipped Within 24 Hours

✔ 30 Day Returns Accepted

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Ni80 Wire Spool

The Crazy Wire Company are best know as suppliers of top quality ni80 wire spool. We have enormous stock levels at all times, as we use this wire to weave our marine grade 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 ni80 wire, specifically designed with a diameter of 0.9mm (19 AWG), is a premium quality resistance wire that has gained traction for its efficiency and durability. The Nickel-Chromium alloy in this wire is particularly well known for its rapid heating characteristics, so it’s ideal for applications requiring quick and uniform heat distribution. Ni80 wires ensure a stable resistance at a wide range of temperatures, ensuring consistent performance.

With its oxidation-resistance and malleability, it can be shaped, wrapped, and configured easily. Because of its adaptability, it can be used for anything from heating elements in small appliances to ceramics to furnaces for industrial use to metallurgy and laboratory equipment in aerospace. Furthermore, the ni80 wire’s longevity and corrosion resistance translate into reduced maintenance costs and extended product life. As a reliable resistance wire, ni80 wire stands out due to its strength, reliability, and versatility.

Key product details:

  • Diameter – 0.9mm (90 Micron – 19 AWG Wire) 
  • Ohms/m – 1.75
  • 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 Size Nichrome Wire For Foam Cutter?

The size of Nichrome wire used for a foam cutter depends on several factors, such as the desired cutting speed, the thickness of the foam, the length of the wire, and the power supply. A common size for Nichrome wire used in foam cutters is around 0.6mm to 1.2mm in diameter.

Thicker wire may provide a faster cutting speed but also requires more power and a larger power supply. Thinner wire may be easier to handle and have a more consistent heat output, but may take longer to cut foam. It’s best to consult with foam cutting experts or product specifications for recommendations on the appropriate size of Nichrome wire for a specific foam cutting application.

How Does Nichrome Wire Heat Up?

Nichrome wire heats up when an electric current is passed through it. As the current flows through the wire, it encounters resistance from the material, causing the wire to heat up. The resistance of Nichrome wire is due to the movement of electrons within the material, which collide with the lattice structure of the metal atoms, creating friction and generating heat. The resistance of Nichrome wire is relatively low compared to other materials, making it a good choice for applications where fast heating is desired. Additionally, Nichrome’s high resistance to oxidation and corrosion make it a good choice for applications where high temperatures and corrosive environments are present.

How Do I Heat Nichrome Wire With A Battery?

To heat nichrome wire using a battery, you will need to create a simple circuit using the following components:

  • Nichrome wire
  • Battery
  • Switch
  • Wires to connect the components

Here’s how you can set it up:

  1. Strip the ends of the nichrome wire to expose about 1 cm of the wire at each end.
  2. Connect the two ends of the nichrome wire to the battery terminals, with one end connected to the positive terminal and the other to the negative terminal.
  3. Connect a switch between the battery and one of the nichrome wire connections. This will allow you to turn the circuit on and off.
  4. When the switch is closed, the circuit is complete, and current will flow through the nichrome wire, causing it to heat up.

It’s important to note that the heat generated by the nichrome wire will depend on the resistance of the wire, the voltage of the battery, and the amount of current flowing through the wire. You may need to experiment with different battery voltages and nichrome wire gauges to find the best combination to achieve the desired level of heating.

Keep in mind that handling electrical circuits and materials can be dangerous and caution should be taken when working with these components.

Is Nichrome Wire An Ohmic Conductor?

Yes, nichrome wire is considered to be an ohmic conductor, which means that its resistance is constant and independent of the current flowing through it. In other words, the relationship between the voltage applied across the wire and the current flowing through it is linear, and is described by Ohm’s law (V = IR), where V is the voltage, I is the current, and R is the resistance.

This makes nichrome wire a useful material for heating elements, where a constant and predictable level of heating is desired. It’s also why nichrome wire is often used in applications such as electrical heating, heating tapes, and resistance heating.


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)


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