Lincoln Electric Stick Electrode Welding C2.410 - Manual (Page 23)

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Burnthrough Spot Welds (Roof Decking to Beam)
Roof Deck Thickness 22 ga 20 ga 18 ga 16 ga
Electrode/AWS Class Fleetweld 22 /E6022
Diameter (in.) 1/8 1/8 5/32 1/8 5/32 5/32
Position Flat
Current (Amps) 110 120 150 150 165 180
Polarity DC- DC- DC- DC- DC- DC-
& AC & AC & AC & AC & AC & AC
Roof Deck
Roof Beam Flange