0.32mm (28 AWG) Ni80 Nickel Chromium Alloy Wire


The 0.32mm (28 AWG) Ni80 nickel chromium alloy wire offers a blend of durability, heat resistance, and consistent performance. Made from nickel and chromium, this alloy wire resists oxidation and corrosion, making it ideal for electrical resistance applications, heating elements, and crafting projects. With its precise diameter and reliable conductivity, this chromium alloy wire is a versatile choice for both professional and personal use.

✔ Huge Range Available

✔ Produced In Warrington, UK

✔ Shipped Within 24 Hours

✔ 30 Day Returns Accepted

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Nickel Chromium Alloy

The Crazy Wire Company are well known as suppliers of top quality nickel chromium alloy 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 0.32mm (28 AWG) Ni80 nickel chromium alloy wire is a versatile and high-quality material designed for various applications. This nickel-chromium alloy wire is corrosion-resistant and exhibits excellent resistance to oxidation. It is an excellent choice for environments requiring durability and longevity. Due to its inherent properties, the chromium alloy is thermally stable, ensuring consistent performance even at elevated temperatures. Due to its electrical resistance, it is the ideal material for heating elements in small appliances, furnaces, and kilns. As a result of its consistent diameter and resistance properties, it is ideal for precision work and specialised crafts.

Nickel chromium alloy wire is also a reliable electrical conductor in many electronic devices, guaranteeing steady and predictable electrical conductivity. Aside from its malleability, its malleability makes it an excellent material for crafting intricate designs or creating detailed wire art. Ni80 nickel chromium alloy wire combines flexibility, strength, and heat resistance to make it an excellent choice for both professional and personal use.

The resistance of a 0.32mm Nichrome wire can be calculated using the formula for the resistance of a wire: R = ρ * L / A, where R is the resistance, ρ is the electrical resistivity of Nichrome, L is the length of the wire, and A is its cross-sectional area.

Key product details:

  • Diameter – 0.32mm (320 Micron – 28 AWG) 
  • Ohms/m – 13.60
  • 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

Which Is Better Nickel Chromium Alloy Or Copper Wire?

The choice between Nichrome and copper wire depends on the specific application and the properties that are most important for that application.

Nichrome is an alloy that is composed of nickel, chromium, and sometimes iron or other metals. It is often used in heating elements due to its high resistance and ability to withstand high temperatures without oxidizing. Nichrome is also a good conductor of electricity, although not as good as copper.

Copper, on the other hand, is an excellent conductor of electricity and has a low resistance, making it a popular choice for electrical wiring. Copper is also a relatively low-cost material, which is another factor in its favour. However, copper is not as resistant to high temperatures as Nichrome, and can oxidize at high temperatures, which can affect its conductivity.

In summary, the choice between Nichrome and copper wire will depend on the specific requirements of the application, such as electrical conductivity, temperature resistance, and cost. For high-temperature heating elements, Nichrome may be the better choice, while for electrical wiring, copper may be the better choice due to its lower resistance and lower cost.

Can Electricity Pass Through Ni80 Wire?

Yes, electricity can pass through Nichrome wire. Nichrome is an alloy that is composed of nickel, chromium, and sometimes iron or other metals. It has a high electrical resistance, meaning that it resists the flow of electrical current. However, when a voltage is applied across the ends of a Nichrome wire, electrical current will flow through it, as long as the wire is not broken or otherwise damaged.

Nichrome is often used in heating elements because it can resist high temperatures without oxidizing and its high resistance causes it to heat up when an electrical current is passed through it. This makes Nichrome a good choice for applications where heat is needed, such as in heating elements for appliances like toasters, hair dryers, and electric heaters.

In summary, while Nichrome wire has a high electrical resistance, it is still capable of conducting electrical current and is commonly used in heating elements due to its high temperature resistance and ability to generate heat.

What Are The Disadvantages Of NiCr 80/20 Wire?

NiCr 80/20 (Nichrome 80/20) wire, also known as Chromel-A, is a nickel-chromium alloy wire that is commonly used in heating elements and resistance wire applications. Despite its popularity and widespread use, there are some disadvantages associated with this alloy:

Cost: Compared to other resistance wire materials, NiCr 80/20 can be relatively expensive, especially for large quantities. This can make it less cost-effective for certain applications where cost is a major concern.

Corrosion: NiCr 80/20 can be susceptible to corrosion, especially in high-temperature and high-moisture environments. This can lead to degradation of the wire over time and reduced performance.

Fragility: Ni80 wire is relatively fragile and can break easily if subjected to mechanical stress. This can make it more difficult to install and handle, especially in applications where the wire is exposed to vibration or movement.

Oxidation: Nichrome 80 can oxidize at high temperatures, which can affect its electrical properties and reduce its lifespan.

Alloy composition: The composition of NiCr 80/20 wire can vary slightly between manufacturers and suppliers, which can result in differences in performance and reliability.

In conclusion, while NiCr 80/20 wire is a popular and versatile material for heating elements and resistance wire applications, it has some disadvantages that need to be considered when selecting a wire for a specific application. These disadvantages include its cost, susceptibility to corrosion, fragility, tendency to oxidize, and variations in alloy composition.

How Do You Identify A Nichrome Wire?

Nichrome wire can be identified by its physical appearance, electrical resistance, and chemical composition. Here are some steps you can follow to identify a Nichrome wire:

Physical appearance: Nichrome wire has a reddish-yellow or silver colour and is relatively soft and flexible compared to other metals like steel or iron.

Electrical resistance: You can measure the resistance of the wire using a multimetre to determine if it matches the expected resistance of Nichrome. Nichrome has a high electrical resistance compared to other conductive materials like copper or aluminium.

Chemical composition: Nichrome is an alloy that is composed of nickel, chromium, and sometimes iron or other metals. You can determine the chemical composition of the wire using spectrographic analysis or other analytical techniques like X-ray fluorescence (XRF) or energy-dispersive X-ray spectroscopy (EDS).


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


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