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What is TIG welding?

Source:Adcd网站目录 Browse:97second Time:2022-08-29

What is TIG welding?

The acronym TIG stands for Tungsten I nert G as . Tungsten refers to the type of conductor (tungsten electrode) used to transfer the welding current to the work and create the arc. Inert gas refers to the fact that the process relies on an inert gas (such as argon) to protect the weld and prevent oxidation of the weld.

TIG is also known as gas tungsten arc welding (GTAW).

Simply put, TIG welding is probably most similar to oxy-fuel welding. However, instead of a flame, it uses an arc to melt the workpiece and filler metal, rather than a preheated flame, and it uses an inert gas to prevent weld oxidation. As with oxy-flame welding, the filler metal is manually fed into the weld as needed. Since the current is not conducted through the filler metal to the workpiece (as in MIG and MMA welding), the arc is more controllable.


What are the advantages of TIG welding?

Very low amperage can be achieved, making the process ideal for welding thin materials. In addition, due to the independence of the arc and filler metal application, TIG welding is very controllable, resulting in very high quality welds and excellent appearance. Unlike MIG and MMA welding, TIG welding does not produce spatter, so cleanup is minimal.

TIG is often used for welding where appearance is important (e.g. handrails) or where weld quality is critical (e.g. pressure vessels or pipes).


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