What is TIG Welding?

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What is TIG Welding?
TIG or “Tungsten inert gas” welding is a type of welding commonly used for blending metals that are said to be reactive. Examples of such metals are aluminum and magnesium. This method is also used in mixing titanium, copper, and various other metals with dissimilar properties.

TIG welding is so-called because of the electrode made of tungsten, and the sheath of inert gas around it. This inert gas is usually in the form of argon or an argon mixture. In TIG welding, heat is generated through an electric arc that flows from the tungsten electrode to the surfaces of the metals that are to be mixed or welded. This method is said to provide a very clean weld since the welded joint is protected from contaminants from the surroundings or from air.

But aside from aluminum, magnesium, copper, and titanium, TIG welding can also be used for blending a variety of other metals such as steel, brass, bronze, nickel alloys, and gold. TIG welding is even considered the process of choice for many because when compared with other processes, TIG welding is able to blend more metals and alloys. TIG welding is also preferred because of the high-quality welds it produces. Much of the weld quality results from the process itself, wherein the welder is allowed some control of the heat produced by the electrode. By means of a foot pedal, a welder can control heating and cooling of the tungsten electrode resulting to a clean finish. This makes TIG welding ideal for cosmetic welding needs in sculptures and cars.

The process of TIG welding also does not result in sparks, fumes, or smoke leading to a very clean and high-quality finish. This process is also ideal for irregular weld positions. So whether the surfaces are flat, curve, round, horizontal, or vertical, TIG welding can handle them well with good results.

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