0.35mm (27 AWG) KA1 FeCrAl A1 Round Wire


The A1 round wire, with a 0.35mm (27 AWG) diameter, is a durable and versatile KA1 FeCrAl alloy wire, ideal for various applications. Its high thermal resistance and strength make it perfect for industrial heaters, electronic devices, and hobbyist projects. Resistant to oxidation and corrosion, it ensures long-lasting performance in diverse environments, from industrial to outdoor 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

✔ 30 Day Returns Accepted

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FeCrAl A1 Round Wire

The Crazy Wire Company are best known and long established as Europe’s preferred suppliers of top quality FeCrAl A1 round wire. We have enormous stock levels at all times as we use this wire to weave our mesh products.

The A1 round wire, made of KA1 FeCrAl alloy and measuring 0.35mm (27 AWG), is a versatile and high-quality product designed to meet the needs of various industrial applications. Iron, chromium, and aluminum make up its composition, making it ideally suited for environments requiring thermal resistance and mechanical stability. A wire with high resistance and excellent temperature resistance is an ideal choice for industrial heaters, toasters, and kilns as it can withstand high temperatures.

Because of its 0.35mm diameter, it offers a unique blend of strength and precision, allowing intricate designs without compromising performance. This size also makes A1 round wire suitable for hobbyist projects, including model building and jewelry making, that require precision and reliability. Because of its FeCrAl composition, the wire is resistant to oxidation and corrosion, extending its lifespan and reducing maintenance requirements.

Specification of this FeCrAl A1 Round Wire:

  • Diameter – 0.35mm (350 Micron – 27 AWG)
  • Ohms/ft – 14.69

We also offer the KA1 grade as flat 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 flat wire are stocked for immediate dispatch too.


FAQs About This Wire

Is A1 Round Wire Suitable For Hobbyist Projects?

Yes, A1 round wire is an excellent choice for hobbyist projects. The 0.35mm (27 AWG) diameter offers the perfect balance of strength and flexibility, making it ideal for intricate and detailed work. A1 round wire is an excellent choice for model building, jewelry making, and electronic DIY projects due to its durability and resistance to high temperatures and corrosion. Due to its ability to maintain its properties under different conditions, your projects will have a long lifespan and resilience. Its ease of handling and versatility in shaping and forming allow hobbyists of all skill levels to use it effectively.

Can A1 Round Wire Be Used In Electrical Circuits?

Yes, A1 round wire can be used in electrical circuits. Its composition, which includes iron, chromium, and aluminum, provides high electrical resistivity, making it suitable for use in applications where resistance is essential, such as in resistors and heating elements. The wire’s ability to withstand high temperatures also makes it a reliable choice for circuits that may experience thermal stress. However, it’s important to note that while A1 round wire is suitable for specific electrical applications, its suitability depends on the specific requirements of the circuit, including voltage, current, and environmental conditions. It’s always recommended to consult with an electrical engineer or a professional in the field to ensure the wire’s compatibility with your specific electrical circuit needs.


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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