0.09mm (39 AWG) | KA1 A1 Round Wire


The KA1 A1 round wire, measuring a precise 0.09mm (39 AWG), is a versatile and high-quality alloy wire known for its excellent electrical conductivity and durability. Ideal for use in electronics, precision engineering, jewelry making, and arts and crafts, it offers flexibility and strength for intricate work.

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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KA1 A1 Round Wire

The Crazy Wire Company are best known and long established as Europe’s preferred suppliers of top quality KA1 A1 round wire. We have enormous stock levels at all times as we use this wire to weave our mesh products.

The KA1 A1 round wire, with its precise 0.09mm diameter (equivalent to 39 AWG), is a versatile and high-quality product designed for a wide range of applications. An alloy used in this wire makes it durable and resilient. This makes it an ideal choice for projects requiring a delicate but strong material. In electronics, the KA1 A1 round wire’s exceptional electrical conductivity makes it ideal for small coils and circuits where space is limited but performance is crucial. These applications are also resistant to corrosion and oxidation.

In precision engineering, this wire’s thinness allows intricate work in miniature components. Jewelers can create delicate and detailed designs with the wire because of its flexibility and strength. Furthermore, KA1 A1 round wire is widely used in sculpting and model making, where its fine gauge allows for a high level of accuracy in creating detailed structures and components.

Specification of this KA1 A1 Round Wire:

  • Diameter – 0.09mm (90 Micron – 39 AWG)
  • Ohms/ft – 228.40

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

How Resistant Is KA1 A1 Round Wire To Corrosion?

The KA1 A1 round wire is notable for its corrosion resistance, which makes it an excellent choice for a variety of applications. A metal’s corrosion resistance is greatly enhanced by its alloy composition, which makes it able to withstand environmental conditions that commonly cause corrosion. However, like all materials, its resistance to corrosion depends on the environment in which it’s used. KA1 A1 round wire maintains its integrity and performance in most standard environments, ensuring long-term durability and reliability. To further extend the lifespan of wires in extremely corrosive environments, additional protective measures or coatings may be considered.

What Is The Tensile Strength Of KA1 A1 Round Wire?

The tensile strength of KA1 A1 round wire, especially with a diameter of 0.09mm (39 AWG), is typically high, but the exact value can vary based on the specific composition and manufacturing process of the wire. Tensile strength refers to the maximum amount of stress a material can withstand while being stretched or pulled before breaking. In the case of KA1 A1 wire, this strength is an important factor, as it determines how well the wire can maintain its integrity under load.

For precise figures, it is recommended to refer to the manufacturer’s specifications or the product datasheet. These sources will provide the most accurate and relevant information regarding the tensile strength of the specific KA1 A1 round wire you are using. This data is crucial for ensuring that the wire meets the requirements of your particular application, whether it’s used in electronics, jewelry making, or any other field where its strength is a key consideration.


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


50 Metres (166.66 Feet), 100 Metres (330 Feet), 200 Metres (660 Feet)


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