• High silicon level for increased puddle fluidity and toe wetting 
• Proprietary surface lubricant for steady feeding and arc stability 
• Controlled ferrite content for maximum corrosion resistance 
• The same composition as Blue Max® MIG 309Lwith higher silicon content to improve the bead appearance and increase welding ease 
• Excellent contour of the weld minimizes the need for grinding

TYPICAL APPLICATIONS

• Designed for joining stainless steel to mild or low alloy steel

WELDING POSITIONS

• All

SHIELDING GAS

• Mixed shielding gas 

AWS: ER309Si, ER309LSi
.035 Lincoln Product Number: ED019295
.045 Lincoln Product Number: ED019296