309L TIG Filler Wire

309L Stainless Steel TIG Welding Wire — Built for Strength and Versatility

The 309L Stainless Steel TIG Welding Wire is designed for joining dissimilar steels and welding stainless to mild steel with excellent strength and corrosion resistance. Its low carbon content minimizes carbide precipitation, ensuring clean, crack-free welds and long-term durability even in demanding environments.

Perfect for maintenance, fabrication, and repair work, the 309L delivers smooth, stable arc performance and reliable results every time.

Key Features

• Ideal for joining stainless to mild steel

• 309L low-carbon composition reduces cracking and carbide formation

• Excellent oxidation and corrosion resistance

• Smooth arc performance and easy wetting

• Available sizes: 1.6 mm, 2.4 mm, and 3.2 mm

Applications

• Dissimilar metal welding (stainless to carbon steel)

• Buffer layers and repair work

• Industrial fabrication, maintenance, and plant repairs

Available now at SA Welding Supplies — trusted quality for professional welders.