0.45mm (25 AWG Wire) Ni80 Nichrome Resistance Wire


The 0.45mm (25 AWG wire) Ni80 Nichrome resistance wire is a durable and reliable choice for applications requiring heat and electrical resistance. Made from a nickel-chromium alloy, this AWG wire boasts high resistivity, making it perfect for electrical heating elements in appliances and industrial equipment. With excellent oxidation resistance and a consistent performance profile, it’s ideal for precision resistors and various heating elements. Easy to shape and coil, it’s a versatile solution for many heat-related applications.

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

Add to Wishlist


Nickel Chrome 80 25 AWG Wire

The Crazy Wire Company are best known as suppliers of top quality nichrome 25 AWG wire. We have enormous stock levels at all times, as we use this wire to weave our high-specification woven mesh products. Our brilliant staff are experts in producing our spools of round wire on our 6 rapid action winding machines. All spools are produced to carry a little extra length to make up for any waste when handling the product.

This 0.45mm (25 AWG wire) Ni80 Nichrome resistance wire is ideal for a variety of applications requiring heat and electrical resistance. Its nickel and chromium alloy ensures durability and consistent performance. Among the benefits of using this nichrome wire is its high resistance, which makes it an ideal component for electrical heating elements in industrial furnaces, household appliances, and specialised equipment. It’s also suitable for precision resistors that require constant output due to its stable resistive properties.

Additionally, this AWG wire provides excellent oxidation resistance, ensuring longevity even at high temperatures. The composition of this material provides a good melting point, which is beneficial for uses that require controlled heating. Users will appreciate its ease of use, since the wire can be shaped and coiled easily to fit specific requirements. This resistance wire is commonly used in ceramic kilns, toasters, hairdryers, and various other heating elements due to its adaptability.

Nichrome wire with a diameter of 0.45mm is relatively thin, and it is typically used in applications where heat needs to be generated in a small area or where space is limited. Some common uses for 0.45mm Nichrome wire include heating elements for small appliances and heating elements for scientific experiments.

Key product details:

  • Diameter – 0.45mm (450 Micron – 25 AWG Wire) 
  • Ohms/m – 6.85
  • Technical Specification:
  • Ni – Rest
  • Cr – 20.0 – 23.0
  • Fe – <1.0
  • Max Continuous Service Temp Of Element – 1200
  • Micrographic Structure – Austenite
  • Magnetic Properties – Nonmagnetic
  • Electrical resistance is high
  • Corrosion resistance is high

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 Ni80 round wire. We also have a huge range of KA1 and stainless steel round wire in immediate stock too.

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


FAQs About This Wire

In What Kind Of Resistor Can I Find A Nichrome Wire?

Nichrome wire is commonly used in heating elements, and it is often used in resistors specifically designed for heating applications. There are several types of resistors that use Nichrome wire, including:

Wirewound resistors: These are resistors that consist of a wire, usually Nichrome, wound around a ceramic or metal core. The wire is carefully wound to achieve a specific resistance value, and the resistor is typically coated with a protective material to improve its durability and performance.

Heating element resistors: These are resistors specifically designed for heating applications, and they are often made from Nichrome wire. They are used in a wide range of heating devices, including electric heaters, toasters, and hair dryers.

Cartridge heaters: These are cylindrical heating elements that consist of a Nichrome wire embedded in a ceramic or metal core. They are used in a variety of applications, including heating liquids and solids, as well as in heating systems for industrial processes.

Which Nichrome Wire Is Heated Faster, Thinner Or Thicker?

When it comes to heating Nichrome wire, the rate of heating is primarily determined by the electrical resistance of the wire. The electrical resistance of a wire is inversely proportional to its cross-sectional area, meaning that a thicker wire will have lower resistance and thus heat up faster than a thinner wire with the same electrical power applied.

However, it’s important to keep in mind that the heat generated in a wire also depends on its length and material, as well as the surrounding environment. For example, a longer wire will take longer to heat up than a shorter wire with the same resistance and power applied. Similarly, a wire surrounded by insulation or placed in a poorly ventilated area will heat up more slowly than a wire without insulation or in a well-ventilated area.

Why Is Nichrome Used As An Electric Wire?

Nichrome is an alloy of nickel and chromium, and it is often used as an electric wire due to several of its properties:

  1. High Resistance: It has a high electrical resistance, making it ideal for use in heating elements such as toasters, irons, and electric heaters. This high resistance allows the wire to convert electrical energy into heat energy effectively.
  2. Durability: It is highly resistant to oxidation, making it suitable for use in high-temperature environments. This means that it can withstand long-term exposure to heat without breaking down or losing its electrical conductivity.
  3. Cost-Effective: Ni80 is an economical alternative to other metals used for heating elements, such as platinum. This makes it a cost-effective option for manufacturers of heating devices.
  4. Flexibility: Nichrome is a flexible wire that can be bent, twisted, and shaped into various forms, making it easy to use in a variety of heating applications.

What Is A Heater Wire?

A heater wire, also known as a heating wire or resistance wire, is a type of electrical wire that is specifically designed to generate heat. This type of wire is made from a material that has a high electrical resistance, such as nickel-chromium (NiCr) or iron-chromium-aluminium (FeCrAl). When electricity is passed through the wire, it generates heat due to the resistance of the material.

Heater wires are used in a variety of applications, including home heating systems, automotive heating systems, industrial process heating, and electronic devices such as hair dryers, toasters, and coffee makers. The wire is often coiled or wound into a specific shape to fit a specific application, and it is typically coated with a protective insulation material to prevent electrical shocks and to prevent the heat from dissipating too quickly.



Check out our blog ‘what is nichrome‘ for more information on ni80 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)


There are no reviews yet.

Be the first to review “0.45mm (25 AWG Wire) Ni80 Nichrome Resistance Wire”

Your email address will not be published. Required fields are marked *