20 AWG Nichrome (Ni80) Flat Wire (1.03mm x 0.5mm)


Nichrome 80 flat wire, also known as nickel alloy, is an alloy produced by combining nickel with chromium and, occasionally, iron. In addition to being heat resistant, the alloy is also resistant to corrosion and oxidation, which makes it incredibly useful for many purposes. Nichrome wire is great for using in a wide range of commercial products, crafts and tools.

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Nichrome 80 Flat Wire

Nichrome 80 flat wire, also known as nickel alloy, is an alloy produced by combining nickel with chromium and, occasionally, iron. In addition to being heat resistant, the alloy is also resistant to corrosion and oxidation, which makes it incredibly useful for many purposes. Nichrome wire is great for using in a wide range of commercial products, crafts and tools.

Nickel and chromium are the main components of nichrome wire. Toasters and hair dryers use it as a heating element since it resists heat and oxidation. Ceramic sculpture and glassmaking are popular hobbies that utilise nichrome wire. In addition to laboratories, the wire can also be found in other general industries such as constructing and specialised electronic applications.

Nichrome alloys are producing a variety of recipes depending on their intended use, but the most common form is Nichrome composing of 60 percent nickel and 40 percent chromium. The properties of all nichrome alloys remain the same regardless of their ratio. When heated, nichrome forms a thin layer of chromium oxide that prevents it from oxidizing. It is resistant to both heat and corrosion in water. One of the most notable properties of nichrome is its high resistance, which causes it to heat up when an electrical current is applied to it. The characteristics of nichrome wire make it suitable for a wide range of industrial applications.

Specification of Flat Wire:

  • Diameter – 1.03mm x 0.5mm (20AWG)
  • Ohms/m – 2.11

Technical Specification:

  • Ni – Rest
  • Cr – 20.0 – 23.0
  • Fe – <1.0
  • Max Continuous Service Temp Of Element – 1200
  • Resistivity at 20oc – 1.09
  • Density (g/cm3) – 8.40
  • Thermal Conductivity (KJ/m.h.oC) – 60.3
  • Coefficient of Lines Expansion – 18.0
  • Melting Point (approx) (oC) – 1400
  • Elongation at Rupture (%) – >20
  • Micrographic Structure – Austenite
  • Magnetic Properties – Nonmagnetic

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

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


FAQs About This Wire

What Are Flat Wires?

Flat wire is a type of wire that has a rectangular cross-section as opposed to the round cross-section of traditional wire. The flat shape allows for more efficient use of space and can be used in a variety of applications where space is limited.

Flat wire is typically made by rolling round wire between two rollers, which flatten the wire into a rectangular shape. The wire can be further processed to create different widths, thicknesses, and surface finishes.

Flat wire is often used in the manufacturing of electronic devices, such as cell phones and computers, as it can be easily incorporated into circuit boards and other compact components. It’s also used in the automotive, aerospace and lighting industries, as well as in the construction of flat spring and spring contacts, flat ribbon cables, etc.

Additionally, flat wire can be used as a material for creating flexible flat conductors (FFCs) and flexible printed circuits (FPCs) which are widely used in electronic devices and appliances, medical equipment and other applications.

Does Nichrome Wire Rust?

No, Nichrome wire does not rust. Nichrome is a resistance alloy consisting of nickel and chromium, and it is resistant to rust and corrosion due to its high nickel content. However, it is important to note that Nichrome wire can be exposed to other corrosive environments, and it may be necessary to take measures to protect it from these elements, such as coating the wire or using it in a sealed environment. Additionally, if the Nichrome wire is subjected to high temperatures or mechanical stress, it may become brittle and may need to be replaced. In general, Nichrome wire is a durable and long-lasting material that is well suited for use in heating elements, electrical devices, and other applications that require resistance to heat and oxidation.

What Is The Resistivity Of Nichrome?

Resistance wire controls an electrical circuit and having a high resistivity allows you to use a shorter wire. A resistor should be selected based on its temperature coefficient of resistivity and corrosion resistance when stability is of primary importance. A high resistance and oxidation resistance are important characteristics when using this material for heating elements for electric heaters and toasters.

Resistance wires can also have insulating using ceramic powder which is encased in tubes of another alloy. Heating elements of this type are perfect for using in electric ovens and water heaters, as well as in specialised forms for cooktops.

As the most common resistance wire for heating purposes, Ni80 is a non-magnetic alloy of nickel and chromium with a high resistivity and resistance to oxidation. Wounding the Nichrome into coils is great for using them as effecting heating elements. As nichrome wire does not bond well with tin-based electrical solder, other methods need to be used for connections to electrical power, such as crimp connectors and screw terminals.

Using nickel chrome wires for hot cutting wire is also common.



The Crazy Wire Company is a leading UK based supplier of nichrome, FeCrAl, and stainless steel wires. We specialise in rapid delivery to any location around the country. Our factory is located in Warrington, which is the historic home of the UK’s wire industry.

Check out our blog ‘everything that you need to know about wires’   for more information on resistance 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


5 Metres (16.5 Feet), 10 Metres (33 Feet)

13 reviews for 20 AWG Nichrome (Ni80) Flat Wire (1.03mm x 0.5mm)

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