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Horizontal Groove Welds
Use steel backing (as on page 29).
T
T/2
45°
Plate Size – T (in.) 1-1/2 3
No. of Passes 4 9 12 22
Electrode/AWS Class Jet LH-78MR, Excalibur 7018 /E7018
Excalibur 7018-1 /E7018-1
Diameter
(in.)
3/16
Current (Amps) 230 200 230 200
Polarity DC+ DC+ DC+ DC+
Arc Speed In./Min.
(1)
9 8.5 9 8.5
Ft. of Weld/Hr.
(2)
3.6 1.2
Lbs. of Elec./Ft. of Weld 3.12 6.19
1" 1-1/4" 1-1/2"
Plate Size – T (in.) 1 1-1/4 1-1/2
No. of Passes 1-11 12-17 1-16 17-24 1-22 23-33
Electrode/AWS Class Jet LH-78MR, Excalibur 7018 /E7018
Excalibur 7018-1 /E7018-1
Diameter
(in.)
3/16
Current (Amps) 230 200 230 200 230 200
Polarity DC+ DC+ DC+ DC+ DC+ DC+
Arc Speed In./Min.
(1)
9 8.5 9 8.5 9 8.5
Ft. of Weld/Hr.
(2)
1.6 1.1 .85
Lbs. of Elec./Ft. of 4.58 6.56 8.83
Weld
(1) Arc speed for first pass approximately 5 in./min.
(2) Total for all passes. 100% operating factor.