0.5mm (24 AWG) Ni90 Nickel Chrome Resistance Wire


The 0.5mm ni90 nickel chrome resistance wire offers a blend of strength and reliability, tailored for diverse applications. Composed of 90% nickel and 10% chrome, it excels in high-temperature resistance and corrosion prevention. Ideal for electric heaters, electronics, and laboratory uses, this wire ensures consistent performance and longevity in various settings.

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

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Ni90 Nickel Chrome Wire

The Crazy Wire Company is best know as suppliers of top-quality Ni90 nickel chrome 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 0.5mm ni90 nickel chrome resistance wire is a versatile and reliable material that stands out in multiple industries due to its distinct characteristics. With a blend of 90% nickel and 10% chrome, this wire combines strength with oxidation and high temperature resistance. The consistent resistance of this material makes it a top choice for electric heaters and various electronic devices. This material also performs exceptionally well in challenging conditions due to its anticorrosive properties.

Laboratory settings benefit from the wire’s consistent resistance characteristics, which facilitate precise control in experiments and research. Additionally, its ability to maintain integrity at high temperatures without degradation makes it indispensable in heating applications.

Key product details:

  • Diameter – 0.5mm (500 Micron – 24 AWG) 
  • Ohms/m – 3.65
  • 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

Is Ni90 Nickel Chrome Wire Safe For Medical Applications?

Despite being known for its high-temperature resistance, corrosion resistance, and consistency in electrical applications, Ni90 nickel chrome wire is not universally recognised for direct medical applications, especially those involving implantation or prolonged contact with the body. As far as safety is concerned, Ni90 nickel chrome wire in medical applications will depend largely on the specific application and any processing or treatments the wire has undergone.

To make sure they don’t trigger an immune response or have any cytotoxic effects, medical materials are usually held to strict biocompatibility standards. Ni90 nickel chrome wire is likely to work well in a medical setting if you consult with experts and review the relevant regulatory guidelines. Biocompatibility testing would be essential before any medical application.

Can I Use Ni90 Nickel Chrome Wire In Marine Environments?

Yes, Ni90 nickel chrome wire can be used in marine environments due to its corrosion-resistant properties. The nickel and chrome composition of the wire gives it an advantage in resisting the corrosive effects of saltwater and humid conditions typically found in marine settings. However, while it exhibits a good degree of resistance, it’s essential to understand that no material is entirely immune to the effects of prolonged exposure to marine conditions.

For optimal performance in marine environments, regular inspection and maintenance are recommended. Ensuring the wire is free from debris, salt deposits, and other contaminants will prolong its lifespan and maintain its integrity. Additionally, if the wire is used in applications where it’s continuously submerged or exposed to salt spray, considering additional protective measures, such as coatings or sheaths, might be beneficial.

How Resistant Is Ni90 Nickel Chrome To Mechanical Stress?

Ni90 nickel chrome wire is known for its strength and durability. This allows it to handle a fair amount of mechanical stress. The blend of 90% nickel and 10% chrome in the wire gives it both tensile strength and resistance to fracturing under strain. However, its resistance to mechanical stress will also depend on factors such as the wire’s diameter, its temperature during stress, and the specific type of mechanical force applied.

While it’s more robust than many other materials, it’s essential to understand that continuous or extreme mechanical stresses can potentially degrade the wire over time or alter its resistance properties. If the wire is subjected to repeated bending, twisting, or other forms of mechanical manipulation, it can eventually lead to work hardening and make the wire more brittle.

For applications where significant mechanical stress is anticipated, it’s advisable to ensure that the wire is supported or protected accordingly. Regular inspection and timely replacement can also prevent potential failures.

How Does Ni90 Nickel Chrome Wire Conduct Electricity?

Ni90 nickel chrome wire conducts electricity by allowing the flow of electrons through its metallic structure. The conductive properties of metals, including nickel and chrome, arise from the presence of free electrons that move within the metal lattice. When a potential difference (or voltage) is applied across the wire, these electrons drift in the direction of the electric field, resulting in an electric current.

The specific resistance of the Ni90 nickel chrome alloy, which is a blend of 90% nickel and 10% chrome, is higher than that of pure metals like copper or silver. This higher resistance is what makes it valuable as a resistance wire. When current flows through the Ni90 wire, the resistance generates heat. This makes it suitable for applications like heating elements where controlled heat generation is desired.

The unique composition of the Ni90 nickel chrome wire, specifically its ratio of nickel to chrome, is optimised to offer consistent resistance values. This consistent resistance ensures predictable electrical and heating behavior across various applications.


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)


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