Gas tungsten arc welding (GTAW), also known as tungsten inert gas (TIG) welding is recognized for better quality in a wide variety of metals. It provides versatility to the welding of metals of different thicknesses, including thin plates, and it also gives good results in various welding positions.

This is an introduction to TIG welding covering how to get started from the most basic level. You will learn how to assemble the torch, setup the TIG welding machine, manipulate a TIG torch (and arc and weld bead), strike and maintain the welding arc and add filler material. You will also learn about the most common mistakes made in each step and how to troubleshoot and avoid them.