0.55mm x 0.1mm KA1 (FeCrAl A1) Electical Wire – 26.05 ohms/m


KA1 electrical wire (FeCrAl A1) has high resistivity, good oxidisation resistance and the ability to withstand very high temperatures.

✔ Huge Range Available

✔ Produced In Warrington, UK

✔ Shipped Within 24 Hours

✔ 30 Day Returns Accepted

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0.55mm x 0.1mm KA1 Wire

KA1 electrical wire (FeCrAl A1) has high resistivity, good oxidisation resistance and the ability to withstand very high temperatures.

We take great pride in the super high quality of this wire.

Specification of Wire:

  • Diameter – 0.55mm x 0.1mm
  • Ohms/m – 26.05

Technical Specification:

C = Min – 0% Max – 0.08%
Si = Min – 0% Max – 0.7%
Mn = Min – 0% Max – 0.4%
Cr = Min – 20.5% Max – 23.5%
Al = Nominal Comp – 5.8% – Min – 0% – Max – 0%
Fe = Balance

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 round wire. We also have a huge range of stainless steel wire and Ni80 round wire in immediate stock too.

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







The Crazy Wire Company is a leading UK based supplier of nichrome, FeCrAl, 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 wires’   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), 25 Metres (82.5 Feet), 50 Metres (166.66 Feet), 100 Metres (330 Feet), 200 Metres (660 Feet)


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