309L stainless steel MIG welding wire 0.030 inch is a premium low-carbon GMAW welding wire with maximum 0.03% carbon content that provides superior resistance to intergranular corrosion compared to standard 309 wire. This versatile high-performance stainless steel welding wire is designed for welding similar alloys in wrought or cast form, and is frequently used for welding 18-8 base metals in severe corrosion environments. Ideal for dissimilar metal welding applications and challenging welding conditions. Packaged specifically for portable welding machines. Meets and exceeds AWS A5.9 specifications for guaranteed performance and reliability in critical stainless steel fabrication projects.
- Premium 309L stainless steel MIG welding wire designed for welding type 304 and similar austenitic base metals in wrought or cast form where severe corrosion conditions may exist
- Versatile dissimilar metal welding capability - ideal for joining carbon steel to stainless steel and other dissimilar steel combinations
- Low carbon content (0.03% maximum) effectively resists carbide precipitation that can cause intergranular corrosion and weld degradation in high-temperature service
- High-strength performance with 87,000 psi tensile strength in as-welded condition for durable, reliable welds in demanding applications
- Excellent mechanical properties: 58,000 psi yield strength in as-welded condition for superior structural integrity
- Superior ductility with 40% elongation and 60% reduction of area in as-welded condition for flexible, crack-resistant welds
- Consistent hardness ratings: 85 HRB Rockwell B hardness and 160 HB Brinell hardness in as-welded condition
- Exceptional impact resistance with 105 ft./lb. @ room temperature Charpy V-notch toughness in as-welded condition
- Full compliance with ANSI/AWS A5.9 and ASME SFA 5.9 ER 309L standards for quality assurance and code requirements


