13. Welding conditions table (Reference)
WMD078TE0PAA07
143
13. Welding conditions table (Reference)
The following are rough indications of standard
welding conditions as reference data. In actual
welding operation, it is necessary to set values in
consideration of shape of the workpiece, weld-
ing position and so on.
13.1 CO
2
welding conditions table: Solid wire (Reference)
Butt joint welding
(Square groove joint)
(At low-speed)
Thickness
(mm)
Wire
diameter
(mm)
Root
gap G
(mm)
Current
(A)
Voltage
(V)
Speed
(m/min)
Tip-to-work
distance
(mm)
Gas flow
(L/min)
0.8
0.8, 0.9
0
60-70
16-16.5
0.50-0.60
10
10
1.0
0.8, 0.9
0
75-85
17-17.5
0.50-0.60
10
10-15
1.2
0.8, 0.9
0
80-90
17-18
0.50-0.60
10
10-15
1.6
0.8, 0.9
0
95-105
18-19
0.45-0.50
10
10-15
2.0
1.0, 1.2
0-0.5
110-120
19-19.5
0.45-0.50
10
10-15
2.3
1.0, 1.2
0.5-1.0
120-130
19.5-20
0.45-0.50
10
10-15
3.2
1.0, 1.2
1.0-1.2
140-150
20-21
0.45-0.50
10-15
10-15
4.5
1.0, 1.2
1.0-1.2
170-185
22-23
0.40-0.50
15
15
6.0
Front
1.2
1.2-1.5
230-260
24-26
0.40-0.50
15
15-20
Back
1.2
1.2-1.5
230-260
24-26
0.40-0.50
15
15-20
9.0
Front
1.2
1.2-1.5
320-340
32-34
0.40-0.50
15
15-20
Back
1.2
1.2-1.5
320-340
32-34
0.40-0.50
15
15-20
Butt joint welding
(Square groove joint)
(With backing)
Thickness
(mm)
Wire
diameter
(mm)
Root
gap G
(mm)
Current
(A)
Voltage
(V)
Speed
(m/min)
Tip-to-work
distance
(mm)
Gas flow
(L/min)
Copper
backing
0.6
0.6
0
40
16
0.60
10
15-20
Thickness:
3.2 mm-6 mm
0.8
0.6
0
40
16.5
0.45
10
15-20
0.8
0
80-90
18-19
0.45-0.50
10
15-20
1.0
0.9
0
50
18
0.45
15
15-20
1.2
0.8
0
60
18
0.45
15
15-20
0.9
0-0.5
90-120
19-20
0.40-0.50
10
15-20
1.6
0.9
0
95-105
18-19
0.45-0.50
10
15-20
1.2
0-0.5
120-140
19-20
0.40-0.50
10
15-20
2.3
0.9
0-0.8
100-140
19-21
0.35-0.45
10
15-20
Thickness:
6 mm-8 mm
Groove depth:
1 mm-2 mm
1.2
0-1.2
130-150
19-21
0.35-0.45
10
15-20
3.2
1.2
0-1.5
130-180
20-23
0.30-0.35
10-15
15-20
4.5
1.2
1-2
150-200
21-24
0.40-0.45
10-15
15-20
6.0
1.2
0-0.8
280-330
28-36
0.35-0.45
15-20
15-20
Thickness:
12mm or more
Groove depth:
3 mm
1.6
0-0.8
380-420
37-38
0.40-0.45
15-20
15-20
9.0
1.2
0-0.8
320-340
32-34
0.40-0.50
15-20
15-20