Here is an aluminum weld i did on a sheetmetal project that i'm working on. This is with the elongated lanthanated tungsten (3/32" electrode) on some .063" 5052 sheet.
I think i should have put a ruler in the picture to show the scale. The piece in the pictre is only 1.5" wide from, making the weld beads less than 1/4" wide. (the threads are only 5/16", if that helps)