This BOSSWELD 309L Si Stainless Steel MIG Wire is a premium low carbon stainless steel wire designed for welding applications requiring compatibility with 309L stainless steel. It is suitable for professional welders working with stainless steel, mild steel, low alloy steels, and other dissimilar ferrous metals.

Manufactured to AWS A5.9 ER309LSi specifications, this wire features a precision layer wound design that ensures smooth feeding and easy arc starting. Its higher silicon content enhances weld edge wetting, improving weld quality and appearance. The wire is effective in all welding positions, providing versatility across various fabrication tasks.

Typical applications include welding dissimilar materials, creating buffer layers before hard facing and overlays, and joining wrought or cast steels. It is particularly effective for welding 23% chromium and 12% nickel stainless steel alloys, making it ideal for demanding industrial and maintenance welding projects.

• AWS Specification: A5.9 ER309LSi
• Diameter: 1.2mm
• Spool Weight: 15kg
• Precision layer wound wire for consistent feeding
• Suitable for all welding positions
• Recommended for stainless steel overlays and dissimilar metal joining