Lincoln Electric - Excalibur 309/309L-15 Part # ED033099 Diameter: 1/8 inch. 3.2 MM. 8 pound easy open can. AWS CODE = AWS E309-15 & E309L-15. Top Features: Q2 Lot - certificate showing actual deposit chemistry and calculated ferrite number (FN) available online. Designed with low carbon levels to help eliminate carbide precipitation in high temperature service. Flux coating is fast freezing for vertical down welding and slag is self-peeling for easy removal. Smooth bead appearance with evenly spaced ripples and flat face. Typical Applications: Joining stainless steel to mild or low alloy steel. Welding Positions: All.