Alloy 309LSi description:
Key Features:
Same composition as Oxford Alloy® 309L, with higher silicon content to improve the bead appearance and increase welding ease.
Used for mild steel to stainless joining applications. Excellent contour of the weld minimizes the need for grinding.
Conformances:
AWS/ASME Spec 5.9
AWS Class ER309LSi
UNS S30988