How To Tig Weld Aluminum Lap Joint. Today were doing a little stick welding aluminum. Not my favorite thing but Im going to try a little quarter inch lap joint and well do a cut and etch test on it compare results from stick welding cold with no pre-heat to weld it while its hot from.
With all of that done lets discuss our angles with TIG welding we need to focus on three primary angles. A multipass weld on 4140 lap joint. You cant prop on it with only a tig glove.
Lap Joints - YouTube.
Now that weve covered tips for using MIG and TIG welding when working with aluminum well cover how to TIG weld an aluminum lap joint below. The experiments were conducted using Si-rich filler metals ER4043 Si 5. Since aluminum requires different types of. A single lap joint where welding must be done from one side is shown in view A figure 6-21.