tig basics

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Last updated 1:10 PM on 7/12/26
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8 Terms

1
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steel gas

100% argon

2
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cc power source

helps maintain constant welding current even if voltage or arc length changes

3
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dcen

direct current electrode negative straight polarity

4
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characteristics of dcen

deep penetration, 70% heat from arc released to workpiece

5
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dcen metals

steels, titanium, copper, beryllium, thick aluminum

6
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dcen setup

electrode/torch lead -negative

ground -positive

7
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dcep uses

reactive metals, thin metals, cleans oxide layer with electrons flow to the electrode

8
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10ga steel settings

120-145 amps

15-20 cfh