0.08mm (40 AWG) SS316L Marine Grade Stainless Steel Wire


The 40 AWG ss316L marine grade stainless steel wire offers a blend of durability and versatility across numerous applications, from marine to industrial, electronic, and artisan uses. Known for its exceptional corrosion resistance, particularly in saline environments, this 0.08mm wire is adept in marine applications like vessel repair and creating enduring fishing gear. Its reliable electrical and thermal properties render it valuable in crafting precise electronic components, while its malleability and tarnish resistance make it a favorite among jewelers and artists. In industrial settings, it ensures machinery longevity, especially in corrosion-prone areas, and its consistent performance finds a place in research laboratories and varied DIY home projects, marking it as a multifaceted, reliable material.

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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40 AWG Stainless Steel Wire

The Crazy Wire Company are long established as Europe’s preferred suppliers of top quality stainless steel 40 AWG SS316L wire. We have enormous stock levels at all times, as we use this wire to weave our marine grade woven mesh products.

A variety of industries utilize 40 AWG ss316L marine grade stainless steel wire for its versatility and resilience. It is constructed from marine-grade stainless steel 316L. This is renowned for its corrosion resistance, particularly in saline or chloride-rich environments. As a result, it is particularly useful in marine applications such as the creation and repair of vessels, the manufacturing of robust fishing gear, as well as the crafting of durable fasteners that are exposed to corrosive marine environments. As a result of its balance of electrical conductivity and stability, wire is used in electronic circuits, connectors, and other components that require precision and reliability.

For intricate jewelry pieces and sculptures, artisans and jewelers might use the 40 AWG ss316L wire, which is strong and resistant to tarnishing. Industrial settings use it to manufacture or repair machinery, especially in coastal and corrosion-prone environments. It provides precise and reliable results in various experiments and instrument manufacturing due to its stable electrical and thermal properties. The material’s adaptability provides hobbyists and DIY enthusiasts with a robust and durable material that can be used for a wide range of home projects and repairs. With its uncompromised performance and a wide range of application options, 40 AWG SS316L wire ensures its place in various fields due to its reliable, durable, and reliable material.

Specification of Wire:

  • Diameter -0.08mm (80 Micron – 40 AWG)
  • Ohms/ft – 141.30

We also offer this grade as ribbon wire and 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?

Not only do we offer 304 grade stainless steel wire, but we also stock huge levels of SS316, SS430 (magnetic) and SS317L.

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

The choice is virtually endless!


FAQs About This Wire

How Do You Cut Stainless Steel 316L 40 AWG Round Wire?

  1. Using Wire Cutters:
    • Choose a wire cutter suitable for cutting fine-gauge wire. Precision wire cutters, which are typically used in electronics and jewelry making, are usually a good choice for cutting 40 AWG wire due to their capability to make clean, close cuts without damaging the wire.
    • Ensure that the cutting edges are clean and sharp to avoid fraying or damaging the wire.
    • Hold the wire taut, align the cutters where you want to sever the wire, and apply a swift, firm squeeze to cut through the wire.
  2. Using Shears:
    • For industrial purposes, especially in settings where a large amount of wire needs to be cut, precision shears or pneumatic cutters might be used. These allow for clean cuts without placing strain on the wire and can typically be adjusted to handle various wire gauges, including 40 AWG.
    • Ensure the shears are sharp and clean, place the wire under the cutting edge, and engage the cutting mechanism.
  3. Using Automated Wire Cutting Machines:
    • In manufacturing contexts, automated wire cutting machines may be used to cut large quantities of 40 AWG wire. These machines can be calibrated to cut the wire to specific lengths and ensure a clean cut without damaging the wire.
    • Ensure that the machine is set up according to the manufacturer’s guidelines for the specific wire gauge and material to prevent any damage or waste.

Can SS316L 40 AWG Wire Be Utilized In Automotive Repairs?

A wire with a diameter of 0.08mm, such as SS316L 40 AWG, has both potential applications and certain limitations in automotive repairs. Due to its fine gauge and stability, SS316L wire can be advantageous in repairs involving sensitive and miniature electrical components, such as sensors and interior electronics like dashboard lights or electronic displays. As a result of its heat resistance and oxidation stability, it may be suitable for areas near engines or exhaust systems, while its corrosion resistance will provide reliability in environments prone to corrosion or rust.

In addition to the installation of additional lights or electronic setups, the fine gauge may also be suitable for delicate soldering or connection work on custom automotives. Although a 40 AWG wire is extremely strong and has a high electrical current capacity, its application in automotive repairs requires careful consideration. To effectively implement such fine wire without causing damage, technical expertise and possibly specialised tools are required. When considering these factors, it is important to carefully assess the application and, if necessary, consult with a professional to determine whether 40 AWG SS316L wire is suitable for certain automotive repair applications.

What Is The Resistivity Of 40 AWG SS316L Wire?

The resistivity of SS316L stainless steel wire is generally around 74×10−8 ohm meters (74 Ω nm) or 0.74 Ω mm2/m under standard conditions, but it’s important to note that the actual resistivity can slightly vary between different manufacturers due to minute differences in the alloy composition or manufacturing process. When considering the 40 AWG size, which has a diameter of approximately 0.08mm, you can utilize the following formula to calculate the resistance per unit length:


  • is the resistance,
  • (rho) is the resistivity,
  • is the length of the wire,
  • is the cross-sectional area of the wire, calculated using , where is the diameter of the wire.

Ensure you adapt the units suitably to be consistent. If you’re evaluating the wire for a specific application, it’s advisable to consult the technical specifications provided by the manufacturer for the most accurate data. Additionally, considering the factors like temperature, which can impact the resistivity, as SS316L’s resistivity will increase with temperature. This ensures that the wire is suitable for your application involves considering the environment it will be used in along with the specific electrical requirements.



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. 

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


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


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