0.71mm (21AWG) 304 Grade Stainless Steel Wire

The 304 grade stainless steel round wire, with a diameter of 0.71mm (710 Micron – 21 AWG), is a blend of durability and flexibility. Resistant to oxidation and corrosion, it’s ideal for electrical applications with a resistance of 1.8 Ohms/ft and excels in crafting tasks like jewelry-making. Reliable and versatile, this wire promises longevity and consistent performance.

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✔ Huge Range Available

✔ Produced In Warrington, UK

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304 Grade Stainless Steel Wire

The 304 grade stainless steel round wire stands out for its durability and adaptability, catering to a multitude of uses. Manufactured from high-quality 304-grade stainless steel, this wire boasts exceptional resistance to oxidation and corrosion, ensuring it remains uncompromised over extended use. Measuring at a specific diameter of 0.71mm (equivalent to 710 Micron or 21 AWG), it offers a fine balance between malleability and tensile strength. Notably, its electrical resistance is rated at 1.8 Ohms/ft, making it a fitting choice for electrical projects. Beyond this, its characteristics make it ideal for detailed crafting tasks, such as jewelry-making or art installations. Given its robust nature and resistance to wear and tear, this wire provides both longevity and reliability, ensuring consistent performance across a wide array of applications.

Specification of this 304 Grade Stainless Steel Wire:
  • Diameter -0.71mm (710 Micron – 21 AWG)
  • Ohms/ft – 1.8

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?

Not only do we offer 304 grade stainless steel wire, but we also stock huge levels of 316, 430 (magnetic) and 317L.

We also offer stainless steel in ribbon and flat wire options.

The choice is virtually endless!


FAQs About This Wire

Does The Wire’s Thickness Impact Its Flexibility?

Yes, the wire’s thickness does impact its flexibility. The thicker the wire, the less flexible it becomes. Thick wires have more material and mass, making them more resistant to bending. Conversely, a thinner wire will be easier to manipulate and more malleable. There is a balance between strength and malleability with the 304 grade stainless steel round wire with a diameter of 0.71mm (21 AWG). When choosing wire for a specific task, it’s important to keep in mind the required flexibility and strength, ensuring the wire meets the project’s requirements.

Can The Wire Be Welded Or Soldered For Connections?

Yes, the 304 grade stainless steel round wire can be both welded and soldered for connections. Due to its weldability, 304 stainless steel is suitable for a variety of welding techniques. To ensure corrosion-resistant and strong welds, it’s essential to use appropriate filler metals and welding techniques. Soldering requires the right flux and solder to achieve a good bond. To ensure optimal adhesion and connection strength, both processes require proper cleaning and surface preparation.

What Are Common Industrial Applications For This Wire?

The 304 grade stainless steel round wire is versatile and finds use in numerous industrial applications due to its durability, resistance to corrosion, and other favorable properties. Here are some of its common industrial uses:

  • Electrical Connections: Used for making reliable and robust electrical contacts and connections.
  • Fastening and Binding: In industries where components need to be held together securely.
  • Wire Mesh & Screens: For filtration, separation, and protection purposes.
  • Springs: Used in the manufacturing of various types of springs, owing to its resilience and strength.
  • Cable Ropes: For strength and corrosion resistance in challenging environments.
  • Welded Wire Fabric: In construction, for reinforcement purposes.
  • Conveyor Belts: Stainless steel wires can be used in conveyor belts in industries that demand non-contaminated transport, like food processing.
  • Thermocouples: In temperature sensing and measurement devices.
  • Jewelry Manufacturing: Due to its shine, strength, and resistance to tarnish.
  • Medical Devices: For tools and instruments that require precision, strength, and resistance to sterilisation processes.



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 ‘What You Need To Know About: Stainless Steel 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. 

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Contact our team today if you have any questions at all. We are always really keen to help in any way that we can.