0.4mm (26 AWG) Ni90 Nichrome Heating Wire


The Ni90 nichrome heating wire, at 0.4mm (26 AWG), offers reliable and efficient resistance, ideal for various applications. Made of 90% nickel and 10% chromium, it ensures faster ramp-up times and enhanced temperature control. It’s well-suited for household appliances like ceramic heaters and toasters, as well as for crafting custom coils in electronic devices. Durable and long-lasting, this wire is an economical choice for consistent heating requirements.

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✔ Huge Range Available

✔ Produced In Warrington, UK

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Ni90 Nichrome Heating Wire

The Crazy Wire Company is best know as suppliers of top-quality ni90 nichrome heating wire. We have enormous stock levels at all times, as we use this wire to weave our specialist-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 Ni90 nichrome heating wire, measuring at 0.4mm or 26 AWG, is an advanced and efficient resistance wire ideal for a variety of applications. The Ni90 alloy consists of 90% nickel and 10% chromium, offering reliability and consistent performance. Compared to pure nickel, the alloy composition offers higher resistance, resulting in faster ramp-up times and improved temperature control. Therefore, this wire is ideal for both industrial and personal applications.

Typical applications include ceramic heaters, toasters, and other household appliances that require consistent heating. Its flexibility and durability also make it an ideal choice for intricate designs in furnaces and kilns. A hobbyist can also craft custom coils for electronic devices using this material, ensuring quick heat-up and stable performance. Ni90 nichrome heating wire not only performs optimally, but also boasts an impressive lifespan, reducing the need for frequent replacements and resulting in long-term cost savings. A perfect blend of efficiency and longevity, it’s the ideal heating solution.

Key product details:

  • Diameter – 0.4mm (400 Micron – 56 AWG) 
  • Ohms/m – 5.48
  • Technical Specification:
  • Ni – Rest
  • Cr – 10.0 
  • Fe – <1.0
  • 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 Ni90 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

Are There Any Special Handling Precautions For Ni90 Nichrome Heating Wire?

  1. Avoid Direct Skin Contact: Continuous handling can lead to nickel sensitivity in some individuals. Use gloves where appropriate to reduce direct skin contact.
  2. Work in Well-Ventilated Areas: When heating the Ni90 wire, especially for the first time, it might release fumes. It’s important to work in a well-ventilated area to avoid inhaling these fumes.
  3. Avoid Overheating: Although Ni90 nichrome wire is designed to handle high temperatures, excessive and prolonged heating can compromise its structural integrity. Always ensure you’re using it within its recommended temperature range.
  4. Coil Storage: When not in use, store coiled wire in a cool, dry place, preferably in its original packaging. This prevents the wire from getting kinks or becoming tangled, ensuring its longevity.
  5. Clean Carefully: If the wire requires cleaning, avoid abrasive methods. Soft brushes or cloth, along with appropriate solvents, can be used to clean the wire without causing damage.
  6. Cutting Tools: When cutting or trimming the wire, use tools designed for metal to ensure clean cuts without fraying.
  7. Electrical Precautions: Always ensure any connected device is switched off before making modifications or adjustments to the wire. This reduces the risk of accidental shorts or shocks.
  8. Check for Damages: Before use, inspect the wire for any visible damages, discoloration, or inconsistencies, which might affect its performance.

Can Ni90 Nichrome Heating Wire Be Soldered Or Welded?

The Ni90 nichrome heating wire can be soldered or welded, but certain considerations must be taken. Nichrome wire doesn’t solder as easily as some other metals, like copper, due to its high nickel content. You should thoroughly clean the wire surface before soldering and use a flux designed for nickel or high-temperature applications. A solder joint may not be as strong as one made from another metal, so it’s important to ensure a mechanically secure connection before soldering. Ni90 can be welded using resistance welding or TIG (Tungsten Inert Gas) welding techniques. It’s recommended that individuals familiar with welding nichrome or similar alloys carry out the procedure due to the alloy’s melting point and specific characteristics. The right equipment and techniques are essential for achieving a reliable connection, whether soldering or welding.

What Is The Lifespan Of Ni90 Nichrome Heating Wire?

The lifespan of Ni90 nichrome heating wire depends on several factors, including its usage, operating environment, and the specific application in which it’s used. Ni90, composed of 90% nickel and 10% chromium, is renowned for its exceptional resistance to oxidation and corrosion at high temperatures. This characteristic gives it a prolonged lifespan, especially when compared to other heating elements.

In applications where the wire is subjected to consistent and controlled temperatures without frequent temperature fluctuations, the Ni90 nichrome wire can last for years. However, in environments with aggressive chemicals, extreme temperature cycles, or mechanical stresses, the lifespan may be reduced. Additionally, factors such as the quality of the wire, its thickness, and the specific design of the heating element can also influence its longevity. For optimal lifespan, it’s essential to operate the wire within its recommended temperature range, ensure proper installation, and regularly inspect for signs of wear or damage. Proper maintenance and usage can significantly extend the effective life of Ni90 nichrome heating wire.

What Applications Are Best Suited For Ni90 Nichrome Heating Wire?

  1. Household Appliances: It’s commonly found in toasters, hairdryers, and space heaters, providing the rapid and consistent heating these devices require.
  2. Industrial Heating: The wire is used in various industrial furnaces and ovens, especially those that require precise temperature control.
  3. Laboratory Equipment: Due to its reliable heat generation and resistance properties, it’s used in burners, hot plates, and other lab apparatus.
  4. Ceramic and Glass Kilns: Ni90’s ability to withstand high temperatures makes it suitable for kilns used in ceramic and glass production.
  5. Resistance Thermometers: Its predictable resistance change with temperature makes it an excellent choice for resistance-based temperature sensing.
  6. Custom Coil Designs: For hobbyists and professionals creating custom heating elements or coils for specific electronic applications.
  7. Heat Sealing: Utilised in packaging and manufacturing industries for sealing plastic materials.
  8. Medical Devices: It can be found in specific medical equipment that requires controlled heating.
  9. Aerospace and Automotive: In some applications, the wire is used for sensors or other heat-generating components due to its consistent performance and resistance to oxidation at high temperatures.


The Crazy Wire Company is a leading UK based supplier of nichromefecral, 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 Wire  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


10 Metres (33 Feet), 20 Metres (66 Feet), 50 Metres (166.66 Feet), 100 Metres (330 Feet)


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