0.9mm x 0.1mm (FeCrAl A1) KA1 Flat Wire


The KA1 flat wire, sized at 0.9mm x 0.1mm and crafted from durable FeCrAl A1, offers exceptional versatility and reliability. Its flat profile ensures efficient heat distribution, ideal for electronic components, while its excellent electrical conductivity suits various electrical and electronic applications. Resistant to corrosion and high temperatures, it’s perfect for industrial environments.

✔ Huge Range Available

✔ Produced In Warrington, UK

✔ Shipped Within 24 Hours

✔ 30 Day Returns Accepted

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KA1 Flat Wire

The Crazy Wire Company are best known and long established as Europe’s preferred suppliers of top quality KA1 flat wire and we also have enormous stock levels at all times as we use this wire to weave our mesh products.

The KA1 flat wire, measuring 0.9mm x 0.1mm and made from FeCrAl A1, is a versatile and high-quality product designed for various applications. This wire is known for its exceptional durability and resistance to oxidation, making it ideal for environments that require stability and longevity. The flat profile of this heat spreader ensures even distribution of heat, which is beneficial for applications like electronic components. Its excellent electrical conductivity makes it a popular material for electrical and electronic projects, including resistors and heating elements.

Aside from its strength and flexibility, it is suitable for use in mechanical assemblies and model making, where it is essential for intricate detailing and reliability. Because the wire is resistant to corrosion and high temperatures, it can be used in harsh industrial environments, ensuring longevity and performance. As a result of its versatility in different applications as well as its ease of handling and installation, it is a popular choice among professionals and hobbyists alike. A cost-effective solution for large-scale industrial use or smaller, personal applications, KA1 flat wires offer high performance without a major investment.

Specification of this KA1 Flat Wire:

  • Diameter – 0.9mm x 0.1mm
  • Ohms/ft – 15.73

We also offer more of this KA1 wire too if required.

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 KA1 wire. We also have a huge range of Stainless Steel and nichrome round wire in immediate stock too.

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


FAQs About This Wire

How Does KA1 Flat Wire Perform In Humid Conditions?

In humid conditions, KA1 flat wire performs exceptionally well, thanks to its FeCrAl A1 composition, which offers significant corrosion and moisture resistance. It is specially designed to withstand environments that are heavy on moisture, ensuring that the conductivity and integrity of the wire are maintained over time. As a result of the flat profile of the wire, moisture will not be able to accumulate on its surface, further increasing its durability in humid environments.

Is KA1 Flat Wire Resistant To Oxidation?

Yes, KA1 flat wire is resistant to oxidation. Its composition, featuring FeCrAl A1, provides excellent oxidation resistance, especially at high temperatures. This characteristic is crucial for maintaining the wire’s integrity and performance over time. The resistance to oxidation ensures that the wire remains effective and reliable, even in environments where it is exposed to oxygen-rich conditions or fluctuating temperatures. This property makes KA1 flat wire a suitable choice for applications where long-term durability and consistent performance are essential, particularly in industrial and electrical settings.


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.

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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