M
ATERIALS
FOR
S
ETTING
W
ELDING
C
ONDITIONS
R
EFERENCE
M
ATERIALS
C
HAPTER
10
162
10.3.2.2 Example for welding conditions of wire CO
2
with flux
Example for welding conditions of horizontal fillet
10.3.2.3 Example of MAG short arc welding
Material: Mild steel
Gas: Ar + CO
2
-
mixed gas (10 to 15 L/min)
Leg length
t [in. (mm)]
Wire diameter
[in. (mm)
ƕ
]
Current
(A)
Voltage
(V)
Travel speed
[IPM (cm/min)]
5/32 (4)
.045 (1.2)
250
27
20 (50)
.052 (1.4)
330
29
39 (100)
1/16 (1.6)
350
31
41 (105)
13/64 (5)
.045 (1.2)
270
29
20 (50)
.052 (1.4)
330
30
35 (90)
1/16 (1.6)
370
33
35 (90)
15/64 (6)
.045 (1.2)
270
29
18 (45)
.052 (1.4)
330
31
31 (80)
1/16 (1.6)
380
34
31 (80)
9/32 (7)
.045 (1.2)
280
30
16 (40)
.052 (1.4)
350
32
20 (50)
1/16 (1.6)
380
34
26 (65)
5/16 (8)
.045 (1.2)
300
31
12 (30)
.052 (1.4)
350
33
18 (45)
1/16 (1.6)
380
34
20 (52)
23/64 (9)
.045 (1.2)
320
32
12 (30)
.052 (1.4)
350
34
16 (40)
1/16 (1.6)
380
34
16 (40)
Joint shape
Plate thickness
t [in. (mm)]
Wire diameter
[in. (mm)
ƕ
]
Gap
[in. (mm)]
Current
(A)
Voltage
(V)
Travel speed
[IPM (cm/min)]
Butt joint
19.5 ga. (1.0)
.030 to .040
(0.8 to 1.0)
0
50 to 55
13 to 15
16 to 22
(40 to 55)
18 ga. (1.2)
.030 to .040
(0.8 to 1.0)
0
60 to 70
14 to 16
12 to 20
(30 to 50)
16 ga. (1.6)
.030 to .040
(0.8 to 1.0)
0
100 to 110
16 to 17
16 to 24
(40 to 60)
12 ga. (2.3)
.035 to .045
(0.9 to 1.2)
0 to 0 (0 to 1.0)
110 to 120
17 to 18
12 to 22
(30 to 40)
1/8 (3.2)
.035 to .045
(0.9 to 1.2)
0 to 0.1
(1.0 to 1.5)
120 to 140
17 to 19
10 to 12
(25 to 30)
5/32 (4.0)
.035 to .045
(0.9 to 1.2)
0.1 to 0.1
(1.5 to 2.0)
150 to 170
18 to 21
10 to 16
(25 to 40)
