Video shows walking the cup on a 2" carbon steel socket weld in a tripod vise. Socket welds are not commonly taught in welding schools so hope this helps
This video shows TIG welding several different alloys. Carbon Steel, 4130, Stainless, and Aluminum. Arc Length is key
This video shows tips, tricks, settings, and techniques for TIG welding 18 ga carbon steel lap joints
This video shows tips and techniques for tig welding 18 ga outside corner joints along with flash tacking, different cups, and chill bars
