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How to Choose the Right Grade of Stainless Steel TIG Wire

October 11, 2025 0 Comments stainless-steel

Welding is an essential process across several industries, and the precision ensures the quality of the output. One important element behind the strength, appearance, and durability of the product after welding is the right filler material. Here comes the role of stainless steel TIG wires. TIG (Tungsten Inert Gas) welding is widely used in industries like construction, shipbuilding, petrochemical, and automotive. It is one of the preferred processes as it creates clean, precise, and strong welds. As we all understand that stainless steel is available in various grades, it may be confusing to know which TIG wire is right for your project. Let’s learn more about it in this blog.


Stainless Steel TIG Wire Grades


Welding wires are produced in different stainless steel grades, as each grade has different properties such as corrosion resistance, strength, and heat tolerance. One must choose the right grade of stainless steel TIG wire, as the use of the wrong grade of TIG wire can lead to weak welds, rusting, or even equipment failure. Therefore, choosing the correct grade is extremely important to ensure performance as well as for safe procedures.


Let us understand some of the commonly used stainless steel grades of Stainless Steel TIG Wire


These are available in several stainless steel grades like ER 304, ER 304L, 307Si (18 8 Mn), ER 308, ER 308L, ER 308LSi, ER 309, ER 309L, ER 309LSi, ER 310, ER 316, ER 316L, ER 316LSi, ER 347, ER 430 & 430LNb and at Viraj, we ensure manufacturing each in compliance with AWS A5.9/ASME SFA-5.9, EN 14343A, EN14343B, GOST and also cater to required customisation.


Out of these, say 308L is an ideal solution for 304 steel and offers excellent corrosion resistance, and is commonly used in food processing equipment and piping. Similarly, 309L is suitable for joining stainless steel to mild or carbon steel. It has tremendous strength at high temperatures, thus used in furnace parts and heat exchangers. 347 is known for its ability to resist intergranular corrosion; therefore, it is an ideal product for high-temperature applications such as boilers and pressure vessels. Similarly, each grade has distinguished properties, and you can contact experts at Viraj to help you select the best-suited option for your specific project requirements.


At Viraj, each stainless steel TIG wire is specially surface-cleaned to ensure hassle-free welding and high-quality results. Moreover, each rod available in different dimensions is properly marked to ensure accuracy.


Factors to Consider When Choosing TIG Wire

  • Base Metal Compatibility: Always match the TIG wire grade with the type of stainless steel you are welding.
  • Operating Environment: For marine or chemical industries, a higher corrosion-resistant grade like 316L is preferred.
  • Strength Requirements: For projects that face high heat and stress, grades like 309L or 347 work better.
  • Appearance: If the weld will be visible, TIG wires provide smooth and clean finishes, making them perfect for polished surfaces.

Role of Trusted Suppliers


Selecting the right stainless steel TIF wire is important, but another crucial aspect is to procure these from a reliable supplier. In India, we at Viraj are dedicated to manufacturing superior-quality stainless steel products, including stainless steel TIG wire, stainless steel screws, and many more, that meet international quality standards. With advanced production facilities and a presence in over 90 countries, Viraj ensures consistent quality and timely delivery. Contact Team Viraj now for any further queries. Viraj continues to support industries worldwide with products that stand the test of time.

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