0.07mm (41 AWG) Ni80 Nichrome Resistance Wire


Ni80, or nichrome, is a durable resistance wire with a diameter of 0.07mm (41 AWG). Composed of 80% nickel and 20% chromium, it offers excellent resistance to oxidation and is ideal for heating elements in appliances like toasters and hairdryers. With its rapid heating and cooling properties, ni80 ensures energy-efficient operation and longevity. This wire is versatile, making it suitable for both domestic appliances and specialised laboratory equipment. When in need of a reliable and adaptable resistance wire, ni80 is a top choice.

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✔ Huge Range Available

✔ Produced In Warrington, UK

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Ni80 Wire Spool

The Crazy Wire Company are best know as suppliers of top quality Ni80 wire. 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.

Ni80, commonly referred to as nichrome, is a high-quality resistance wire with a diameter of 0.07mm (41 AWG). The unique properties of ni80 make it the preferred material for a wide variety of applications. Nickel (80%) and chromium (20%) are the main components of this alloy, which is excellent at withstanding oxidation and scaling under elevated temperatures. Because of its consistent resistance to heat, it provides stable performance, making it suitable for domestic and industrial heating elements, such as toasters, hairdryers, and furnaces. Ni80 alloy’s rapid heating and cooling properties also make devices using it longer lasting and more energy efficient.

The malleability and strength of Ni80 assist in making it suitable for intricate designs and configurations in laboratory equipment and scientific research instruments. Ni80 stands out when considering resistance wires for projects or manufacturing needs, as it is reliable, durable, and versatile. In addition to its wide range of applications, it can be adapted to a wide range of tasks due to its exceptional qualities and adaptability. The nichrome resistance wire in ni80 ensures consistent performance across a wide range of applications and long-term durability.

Key product details:

  • Diameter – 0.07mm (70 Micron – 41 AWG) 
  • Ohms/m – 287.00
  • 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

Is Ni80 Wire For Wattage?

NI80 wire is a type of nickel-chromium (NiCr) resistance wire, specifically made from 80% nickel and 20% chromium. The wattage of an NI80 wire refers to the amount of power it can safely handle without overheating. The wattage rating of an NI80 wire depends on several factors, including its diameter, length, and resistance, as well as the operating temperature and environment. To determine the wattage of a given NI80 wire, you would need to consult its manufacturer specifications or use an Ohm’s law calculator to estimate the maximum safe power based on its resistance and operating conditions. It’s important to use the correct wattage wire for a given application to avoid overheating and potential fire hazards.

Is Ni80 Softer Than Stainless Steel?

Yes, Ni80 is generally softer than stainless steel. Ni80 is an alloy of nickel and chromium, and it is commonly used in heating elements and electrical resistance heating applications because of its high resistance and stability. In comparison, stainless steel is an alloy of iron, carbon, and chromium, and it is known for its strength, durability, and resistance to corrosion. Stainless steel is often used in construction and manufacturing applications because of its strength and durability. Compared to stainless steel, Ni80 is generally softer and less durable, but it has other desirable properties, such as its high resistance, stability, and resistance to oxidation at high temperatures, that make it suitable for specific applications.

How To Make A Heating Element With Nichrome Wire

Making a heating element with Nichrome wire involves the following steps:

  1. Determine the resistance required: The resistance of the heating element depends on the voltage of the power source and the desired power output. You can use Ohm’s law (R = V / I, where R is resistance, V is voltage, and I is current) to calculate the resistance required for a given voltage and current.
  2. Choose the Nichrome wire: Select a Nichrome wire with the appropriate resistance and diameter for your application. The diameter and length of the wire will affect the resistance and power output, so choose the wire size accordingly.
  3. Form the heating element: Wrap the Nichrome wire around a mandrel or form to create the desired shape. You can also use a jig or fixture to hold the wire in place while winding it.
  4. Secure the ends: Once the heating element is wound, secure the ends of the Nichrome wire to prevent it from unwinding. You can use wire connectors or crimp terminals, or you can wrap the ends around a metal rod and secure them with wire or pliers.
  5. Insulate the heating element: To prevent electrical shock and reduce the risk of fire, wrap the Nichrome wire with insulation. You can use fiberglass sleeves, ceramic insulation, or other materials suitable for high temperatures.
  6. Attach the power source: Connect the heating element to the power source, ensuring that the connections are secure and properly insulated. You may need to use a thermistor or other temperature-sensing device to regulate the temperature of the heating element.

What Gauge Nichrome Wire For Foam Cutter?

The gauge of Nichrome wire used for a foam cutter depends on the specific requirements of the foam cutting application. The following factors should be considered when choosing the wire gauge:

  1. Power requirements: The gauge of the Nichrome wire will affect the resistance and power output of the heating element. A higher gauge wire will have less resistance and more power output, while a lower gauge wire will have more resistance and less power output.
  2. Cut thickness: The gauge of the Nichrome wire will also affect the thickness of the foam cuts. Thicker wire will generate more heat and be capable of cutting thicker foam, while thinner wire will generate less heat and be suitable for cutting thinner foam.
  3. Maximum operating temperature: The gauge of the Nichrome wire will affect the maximum operating temperature of the heating element. Thicker wire can handle higher temperatures, while thinner wire may overheat at high temperatures.

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


50 Metres (166.66 Feet), 100 Metres (330 Feet), 200 Metres (660 Feet)


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