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Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
ISBN: 9781305494695

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BuyFindarrow_forward

Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
ISBN: 9781305494695
Textbook Problem
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What are the advantages of adding oxygen or CO 2 to argon for welds on steel?

To determine

Advantages of adding oxygen or CO2 to argon for welds on steel.

Explanation

The reactive gases are added to the shielding gases to achieve good arc action and better metal transfer in welding ferrous metals.

Addition of Carbon dioxide or oxygen into the argon gas stabilizes the arc and provides better metal transfer for welding of steel. Adding CO2 and oxygen in argon also prevents the spatter during the welding.

Generally, 1% to 5% of oxygen is mixed with argon for the desired effect of welding and 20% to 30% of CO2 is added in argon for the desired effect

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