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For TIG - GTAW "heliarc" welding Argon replaced Helium because it is #1 cheaper #2 heavier so coverage is better (stays around the weld area).

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Q: Why is argon used as a shielding gas in welding?
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Related questions

What is shielding gas arc welding?

shielded metal arc welding does not required any shielding gas


What is the most commonly shielding gas for GMAW?

Argon is the most common gas used in gas metal arc welding.


Why argon is used in welding the recycling companys workbenches?

Argon is used as a shielding gas. By flooding the are of the weld with Argon, Oxygen is kept away from the molten metal of the weld.


What are the common gases used in GMAW Process?

Carbon dioxide, Argon, Helium, but not Nitrogen, can be used as 'shielding' gas in Gas Metal Arc Welding.


Is argon a medical or industrial use?

Argon is an inert gas, and is often used as the fill gas between panes of glass in modern insulated window units. It is also used extensively as a shielding gas in welding operations.


Can carbon monoxide be used in welding instead of Argon?

Carbon Dioxide iswidely used for MIG welding but I never heard of carbon monoxide and it is definitely not used in the industry as shielding gas. The purpose of the shielding gas is not just shielding the weld pool but offer arc stability with an adequate ionization potential. The heat and electrical conducctivity of the gas at the arc temperature are a huge factor as well.


Definition of argon welding?

A.K.A. Gas Metal Arc Welding -- Semi-automatic or automatic arc welding process in which a continuous and consumable wire electrode and a shielding gas are fed through a welding gun.


Is O2 also added to shielding gas in tungsten arc welding process?

No, that would defeat the purpose. Shielding gases must be inert (e.g. argon, helium).


Which gas is use in gas welding?

oxygen and acetylene gas Argon gas is used in MIG and TIG welding


Why argon gas used for spot welding?

Because argon is an inert gas, don't react with metals.


What happens when argon is burnt?

Argon won't burn. It is used in industrial processes like welding and metal smelting as a shielding gas. Some of those processes will heat the argon to 10,000 degrees Fahrenheit, and it doesn't burn. WRONG Henry Cavendish died when he heated Argon


Which process uses an insert gas used for welding?

TIG welding uses Argon.