0.045" ER309Si Blue Max® 309LSi Stainless Steel MIG Wire 33 lb Spool

Features

• Q2 Lot® - Certified Material Test Report showing actual wire composition, Country of Origin and calculated ferrite number (FN) of each lot is available online in the Certificate Center
• Proprietary surface lubricant for steady feeding and arc stability leading to exceptional performance at high wire feed speeds
• High silicon level for increased puddle fluidity and toe wetting
• Controlled ferrite content for maximum corrosion resistance
• The same composition as Blue Max® MIG 309L with higher silicon content to improve the bead appearance and increase welding ease
• Excellent contour of the weld minimizes the need for grinding