TIG welding technique is surely an expensive way of welding metals. It truly is made use of because of a variety of causes. The welding delivers a top quality and clear weld, it could possibly weld more selection of metals than every other technique, there are no sparks made in this particular technique, there is no have to have to implement any flux since the fuel safeguards the weld puddle from contamination and there aren't any smokes or fumes developed in such a welding system. Apart from the above, this process can be used to weld metals in any of your positions - flat, overhead, vertical or horizontal. These make TIG system a preferred technique, even though this process is high priced compared to the other people. Now let's seem at how you can TIG weld aluminum.