0.04mm (46 AWG) SS316L Marine Grade Stainless Steel Wire


The 46 AWG SS316L marine grade stainless steel wire, with a delicate 0.04mm diameter, offers a durable and corrosion-resistant solution for a plethora of applications across diverse industries. Esteemed for its strength and exceptional welding attributes, this wire is integral in crafting intricate jewelry, producing precise sensors, and crafting miniature coils in confined electronic setups. Also utilized in the medical field for creating meticulous components like stents and guide wires, this stainless steel variant assures biocompatibility, robust tensile strength, and consistent electrical conductivity. Its thin gauge and reliable properties not only meet but enhance the standards of products in both specialised and generalist applications, ensuring longevity and reliability.

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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46 AWG Stainless Steel Wire

The Crazy Wire Company are long established as Europe’s preferred suppliers of top quality stainless steel 46 AWG SS316L wire. We have enormous stock levels at all times, as we use this wire to weave our marine grade woven mesh products.

The 46 AWG SS316L marine grade stainless steel wire provides a versatile and dependable material for numerous applications that require both durability and finesse due to its ultra-fine 0.04mm diameter. Because of its balanced mechanical properties and excellent welding capabilities, SS316L is not only widely used in maritime applications, but also in diverse industries because of its enhanced corrosion resistance, especially in saline environments. Stainless steel wire is used for intricate jewelry creations, model construction, and delicate repair works requiring precision and reliability.

The 46 AWG designation specifically indicates the wire’s fine gauge. This makes it a preferred choice for specialised electronic applications, including production of precision sensors, thin-film technologies, and miniature coils, where space is an issue. In addition, this product is used in the manufacture of medical devices, specifically in components requiring biocompatibility and meticulous design. In aesthetic practices, it is often used in bead threading, binding, and wire wrapping, providing designers and craftspeople with an adaptable option. The 46 AWG specification of SS316L wire ensures consistent electrical conductivity, enhanced tensile strength, and corrosion resistance, thereby securing its position as a vital material in various industries, enhancing reliability and longevity.

Specification of Wire:

  • Diameter – 0.04mm (40 Micron – 46 AWG)
  • Ohms/ft – 596.83

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

Are There Any Precautions To Take When Heating SS316L 46 AWG Wire?

The fine gauge and physical properties of stainless steel necessitate a series of precautions when heating SS316L 46 AWG wire. For SS316L wire, the melting point is typically around 1400°C (2550°F), which is crucial for preventing the wire from becoming brittle during heating. Ensure the temperature applied does not approach this limit. The thin 46 AWG diameter of the wire makes it imperative to regulate the heat carefully to prevent unintentional damage or breakage. It is essential to distribute heat evenly to prevent hot spots that might lead to wire melting or weakening locally.

To prevent injuries during heating processes, appropriate tools and safety equipment, such as heat-resistant gloves and protective eyewear, should be used. Furthermore, it’s important to work in a well-ventilated area or use fume extraction systems because heating stainless steel may release fumes that should not be inhaled. As a result of adhering to the above precautions, the 46 AWG SS316L wire will maintain its desired properties and longevity after heating, while also safeguarding the individual doing the work. The specific product data sheet for the material in use should always be consulted for additional information and guidance.

What Is The Maximum Load Capacity Of 0.04mm 46 AWG SS316L Wire?

The maximum load capacity of a 0.04mm 46 AWG SS316L wire typically refers to the maximum amount of tension or weight the wire can bear before experiencing mechanical failure. It is dependent on several factors, including the wire’s tensile strength, cross-sectional area, and the specific application in which it is utilized.

SS316L stainless steel tends to have a tensile strength in the range of 515 to 690 MegaPascals (MPa), or roughly 75,000 to 100,000 pounds per square inch (psi). Given the wire’s ultra-fine diameter of 0.04mm, its actual load-bearing capacity would be quite minimal.

A basic calculation can provide a rough estimation:


  • (sigma) is the tensile strength of the wire, and
  • is the cross-sectional area, calculated with the formula: where is the diameter of the wire.

However, given the various factors affecting real-world scenarios, such as how the wire is secured, the distribution of the load, and environmental conditions, it’s recommended to approach such calculations with caution and consider a safety factor. Direct consultations with materials engineers or wire manufacturers will provide more precise and application-specific advice regarding load capacities and use-case scenarios for the 46 AWG SS316L wire. Always prioritise safety and adhere to regulatory and manufacturer guidelines when determining load capacity for practical applications.

How Is SS316L 46 AWG SS316L Wire Utilized In Coil Production?

  1. Electronics: The 46 AWG SS316L wire is often used in small electronic components, such as transformers, inductors, and relays. Its thinness allows for winding coils with a high number of turns in a compact space, crucial for miniaturised electronic devices.
  2. Sensors: In sensor technology, especially those designed for precise measurement and detection in compact environments, the wire can be employed in coil configurations to detect changes in magnetic fields or to generate specific electromagnetic fields.
  3. Medical Devices: In the medical industry, its use includes the production of coils within devices like pacemakers or in guide wires, where the SS316L’s biocompatibility and mechanical properties are paramount.
  4. Telecommunications: The wire can be found in certain telecommunication applications, like small antennas or inductive charging systems, where compact, efficient coils are necessary for transmitting or receiving electromagnetic waves.
  5. Micro-Transformers: In the power supply domain, particularly in micro-transformers found in compact power supply units (like those in laptops), the wire assists in managing voltage transformations in a minimal space.
  6. Precision Instruments: The wire is often employed in precision instruments, like watches or other miniature devices, wherein it can be utilized in making diminutive coils essential for device functionality.
  7. Automotive: In automotive electronics, small coils made from the wire might be utilized in sensor technologies that require resistance to corrosive environments.
  8. Aerospace: Considering aerospace applications, the 46 AWG wire might be employed in micro-coils within sensitive navigation or communication tools, valuing its stability under variable environmental conditions.
  9. Research Applications: It’s also utilized in research settings, like laboratories where small, precise coils are needed for experimental setups, especially in micro-electromechanical systems (MEMS).



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


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


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