0.9mm x 0.05mm KA1 Flat Ribbon Wire (FeCrAl A1)


The KA1 flat ribbon wire, sized at 0.9mm x 0.05mm and crafted from FeCrAl A1, is a durable and versatile product ideal for various applications. Known for its excellent resistance to oxidation and high temperatures, it’s perfect for use in electronic components, heating elements, and precision engineering.

✔ Huge Range Available

✔ Produced In Warrington, UK

✔ Shipped Within 24 Hours

✔ 30 Day Returns Accepted

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KA1 Flat Ribbon Wire

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

The KA1 flat ribbon wire, measuring 0.9mm x 0.05mm and made from FeCrAl A1, is a versatile and high-quality product designed to meet the needs of various applications. This wire is known for its exceptional durability and resistance to oxidation. This makes it ideal for environments that require stability and longevity. Wires with flat ribbon designs have better surface contact, which enhances heat transfer and electrical conductivity. This makes it ideal for electronic components, heating elements, and precision engineering projects requiring consistent performance. Due to its flexibility and ease of handling, the wire is also a popular choice among crafters and DIYers for creating intricate designs and custom solutions.

Furthermore, the KA1 flat ribbon wire’s resistance to high temperatures and corrosive environments increases its utility in industrial settings such as manufacturing processes and automotive applications. Because of its thin and robust structure, it can be integrated into compact and complex systems without compromising performance.

Specification of this KA1 Ribbon Wire:

  • Diameter – 0.9mm x 0.05mm
  • Ohms/ft – 31.23

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 The Flat Design Of KA1 Wire Improve Performance?

The flat design of KA1 flat ribbon wire offers several performance enhancements, making it a superior choice for a variety of applications. Increasing its surface area facilitates better heat transfer and distribution, which is crucial in applications such as heating elements. As a result of its larger surface area, this design also improves electrical conductivity. In addition, flat ribbon wires are strong and flexible, withstanding bending and shaping without losing structural integrity, making them highly versatile. In high-frequency electrical applications, the flat shape also reduces the skin effect, resulting in a more uniform distribution of current. Also, its slim profile makes it ideal for compact spaces, making complex electronic devices more efficient and organised. In terms of heat and electrical conductivity, adaptability, and space optimisation, these attributes enhance the KA1 wire’s functionality.

What Are The Environmental Considerations For KA1 Ribbon Wire?

  1. Material Composition and Sustainability: KA1 wire is made of FeCrAl A1 (Iron-Chromium-Aluminum alloy), which is known for its durability and resistance to high temperatures. The choice of materials plays a significant role in its environmental impact. FeCrAl A1 is a more sustainable option compared to some other materials, as it offers longer service life and less frequent need for replacement.
  2. Energy Efficiency: The efficient heat transfer and electrical conductivity of KA1 wire can lead to lower energy consumption in applications where it’s used. This is particularly significant in heating elements and electrical components, where better performance can translate to energy savings.
  3. Waste Reduction: The durability and resistance to corrosion and oxidation of KA1 wire contribute to less waste over time. Products that last longer reduce the need for frequent replacements, thereby diminishing the amount of waste generated.
  4. Recycling Potential: While FeCrAl A1 is not as widely recycled as some other metals, it is recyclable. The potential for recycling the wire at the end of its lifecycle can mitigate environmental impacts, contributing to a more circular economy.
  5. Manufacturing Processes: The environmental impact of manufacturing KA1 wire, including the energy used and emissions produced during the production process, is also a consideration. Advances in manufacturing technology can help minimise these impacts.
  6. Usage in Eco-Friendly Applications: KA1 wire is often used in applications that contribute to energy efficiency and sustainability, such as in renewable energy systems or energy-efficient heating solutions.


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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