How To Do Aluminium Tig Welding. You can heat the workpiece by putting it directly in an oven or you can use a propane torch to apply heat to the surface. The two-handed welding process is the most rewarding method to master as it.
For aluminum you have two options. TIG welding comes second to none in controlling heat. Strike a clean welding electrode around an inch from the start of your weld then quickly move it over to the point where you want to start welding.
Since youre going to weld aluminum using TIG welding youll need to choose either the DC positive or DC negative power.
How to TIG Weld Aluminum on DC. For aluminum you have two options. Aluminum is much easier to weld when the work is already much hotter than room temperature. Welding aluminum requires top of the line heat control to prevent burn-through because aluminum tends to retain heat.