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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 reactive gases are used with argon for GMA welding on steels?

To determine

The reactive gases that are used with argon for GMA welding on steels.

Explanation

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

Carbon dioxide or oxygen is added to argon for the welding of steels because adding 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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