What Is Argon Welding?
Argon is a gas that is used in a type of welding called shielded metal arc welding or SMAW. Argon is effective for welding some metals. It protects the weld from contamination.
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Shielding Gas
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Argon is combined with other gases to shield the weld and the welding arc from airborne contamination. Argon welding is limited to welding metals such as titanium, aluminum, copper, and nickel, according to Steelworker, a building manual.
Effects
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Argon is effective as a shielding gas because it is heavier than air and thus able to blanket the weld. The gas also reduces spatter while welding. Argon-arc welding torches usually have ceramic nozzles, according to KeyToMetals.com.
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Considerations
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Factors like the size and shape of the nozzle, as well as its distance from the weld determine the flow of gas that is necessary for effective welding. Sometimes special shrouds must be fitted to the torch to increase coverage of the argon shield.
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References
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Comments
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Argon is NOT used with SMAW. In fact NO gas is used with SMAW. the flux coating acts as a shielding gas to the molten weld pool. Whoever wrote this article should really get the facts first before they start posting bullshit on the internet.
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