0.13mm (36 AWG) | KA1 FeCrAl Wire


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KA1 FeCrAl Wire

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

0.13mm FeCrAl A1 wire is a type of heating wire made of an iron-chromium-aluminum alloy. The wire has a small diameter of 0.13mm, which is commonly used in applications that require a low heating load or in building small heating coils. FeCrAl A1 wire is known for its high electrical resistance, high-temperature resistance, and good oxidation resistance, which make it suitable for use in heating elements, resistors, and other high-temperature applications. The wire is also easy to work with and can be easily shaped and bent into different configurations. FeCrAl A1 wire is commonly used in various heating applications, including electric ovens, toasters, water heaters, and industrial furnaces, as well as in the manufacturing of heating coils and resistors.

Technical Specification:

  • Diameter – 0.13mm (130 Micron – 36 AWG)
  • Ohms/ft – 107.87
  • 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

Available KA1 Options:

  • 1.15mm (17 AWG) – 1.35 ohms/m
  • 1.02mm (18 AWG) – 1.77 ohms/m
  • 0.9mm (19 AWG) – 2.15 ohms/m
  • 0.8mm (20 AWG) – 2.84 ohms/m
  • 0.7mm (21 AWG) – 3.58 ohms/m
  • 0.6mm (22 AWG) – 4.94 ohms/m
  • 0.65mm (22 AWG) – 4.26 ohms/m
  • 0.64mm (22 AWG)
  • 0.5mm (24 AWG) – 7.11 ohms/m
  • 0.55mm x 0.1mm – 26.05 ohms/m
  • 0.55mm (23 AWG) – 5.96 ohms/m
  • 0.4mm (26 AWG) – 11.46 ohms/m
  • 0.48mm (25 AWG) – 7.79 ohms/m
  • 0.45mm (25 AWG) – 8.93 ohms/m
  • 0.42mm (26 AWG) – 10.6 ohms/m
  • 0.3mm (29 AWG) -19.89 ohms/m
  • 0.38mm (27 AWG) – 12.79 ohms/m
  • 0.37mm (27 AWG) – 13.26 ohms/m
  • 0.35mm (27 AWG) – 14.69 ohms/m
  • 0.34mm (28 AWG) -15.15 ohms/m
  • 0.32mm (28 AWG) -17.46 ohms/m
  • 0.2mm (32 AWG) – 46.11 ohms/m
  • 0.28mm (30 AWG) – 22.75 ohms/m
  • 0.27mm (30 AWG) – 24.86 ohms/m
  • 0.25mm (30 AWG) – 29.29 ohms/m
  • 0.23mm (31 AWG) – 34.36 ohms/m
  • 0.21mm (32 AWG) – 40.44 ohms/m
  • 0.1mm x 0.2mm – 71.83 ohms/m
  • 0.1mm (38 AWG)
  • 0.18mm (33 AWG) – 56.98 ohms/m
  • 0.17mm (34 AWG) – 62.57 ohms/m
  • 0.15mm (34 AWG) – 82.52 ohms/m
  • 0.13mm (36 AWG) – 107.87 Ohms/m
  • 0.12mm (36 AWG)
  • 0.09mm (39 AWG) – 228.40 ohms/m
  • 0.08mm (40 AWG)
  • 0.07mm (41 AWG)
  • 0.06mm (42 AWG) – 496 ohms/m
  • 0.05mm (44 AWG) – 577 ohms/m

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.


FAQs About This Wire

Can KA1 Wire Be Used In Tube Heater?

Yes, KA1 wire can be used in tube heaters. Tube heaters are often used for industrial or commercial heating applications, and they require a heating element that can withstand high temperatures and provide efficient heat transfer. KA1 wire is a type of high-temperature resistant wire that is commonly used in heating applications, including tube heaters. KA1 wire is often used in tube heaters because it has high-temperature resistance, good mechanical strength, and excellent corrosion resistance. However, the specific design and material requirements for a tube heater will depend on the specific application, so it’s important to consult the manufacturer’s guidelines and specifications to ensure the appropriate materials are used.

Which Wire Works Best For Tube Heater?

The choice of wire for a tube heater will depend on various factors such as the operating temperature, the power requirements of the heater, and the specific application. However, KA1 wire is a popular choice for tube heaters because it has high-temperature resistance, good mechanical strength, and excellent corrosion resistance. Other materials that can be used for tube heater elements include nickel-chromium (NiCr) and iron-chromium-Aluminium (FeCrAl) alloys, which also have high-temperature resistance and good mechanical strength. The specific choice of wire and element design will depend on the specific application requirements, and it is important to consult the manufacturer’s guidelines and specifications to ensure that the appropriate materials and element design are used for the specific application. In addition to the wire, tube heaters can also use other materials such as ceramics or quartz to support and protect the wire element, as well as enhance the heat transfer efficiency.

What Is The Best Metal For Resistance Wire In Electric Cooker?

The best metal for a resistance wire in an electric cooker is one that has a high melting point, high electrical resistance, and good mechanical properties, such as ductility and formability. The most commonly used alloys for heating elements in electric cookers are nickel-chromium (NiCr) and iron-chromium-Aluminium (FeCrAl).

NiCr alloys, such as KA1, have a high melting point, excellent resistance to oxidation and corrosion, and high electrical resistance, making them ideal for use in high-temperature heating applications like electric cookers. NiCr alloys are also ductile and can be easily formed into different shapes and sizes.

FeCrAl alloys, such as APM and Alloy 875, also have high melting points and good resistance to oxidation and corrosion, as well as excellent mechanical properties, making them suitable for use in electric cookers and other heating appliances. FeCrAl alloys have a higher resistivity than NiCr alloys, which means that they can be used to create heating elements with higher resistance values.

Why Are Inductance Coils Made Up Of KA1?

Inductance coils, also known as inductors, are commonly made from KA1 wire due to its high melting point, good electrical conductivity, and resistance to oxidation. KA1 wire is an alloy made primarily of iron, chromium, and Aluminium, which makes it well-suited for use in inductance coils because it can handle high temperatures and resist the effects of oxidation and corrosion.

Inductors are used in a wide range of electronic devices, such as power supplies, filters, and amplifiers, to store energy in a magnetic field and to smooth out changes in electrical current. The properties of KA1 wire make it ideal for use in these types of applications because it can withstand the high temperatures and stresses that can be generated in the inductor during operation, and it can maintain its electrical conductivity over time.



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


100 Metres (330 Feet), 150 Metres (495 Feet), 200 Metres (660 Feet), 50 Metres (166.66 Feet)


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