OTC DP-400 - Example Welding Conditions of Single and Double Grooves

No. P10355
 |22|
9. WELDING PREPARATION (continued)
(4) Example Welding Conditions of Single and Double Grooves
Plate
thickness
t
(in [mm])
Bevel
shape
Root
gap
g (in [mm])
Root
face
h (in [mm])
Wire
diameter
(in [mm]

)
Welding
current
(A)
Arc
voltage
(V)
Welding
speed
(ft [cm]/min)
CO
2
gas
flow rate
(gal [Ɛ]/min)
Number
of
layers
300
|
350 32
|
35
1.0-1.3
[30
|
40]
5.3-6.6
[20
|
25]
Front
0.045
[1.2]
300
|
350 32
|
35
1.5-1.6
[45
|
50]
5.3-6.6
[20
|
25]
Back
380
|
420 32
|
35
1.1-1.6
[35
|
50]
5.3-6.6
[20
|
25]
Front
0.472 [12]
0-0.02
[0
|
0.5]
0.157
-0.236
[4
|
6]
1/16
[1.6]
380
|
420 32
|
35
1.5-1.6
[45
|
50]
5.3-6.6
[20
|
25]
Back
300
|
350 32
|
35
1.0-1.3
[30
|
40]
5.3-6.6
[20
|
25]
Front
0.45
[1.2]
300
|
350 32
|
35
1.5-1.6
[45
|
50]
5.3-6.6
[20
|
25]
Back
380
|
420 32
|
35
1.1-1.6
[35
|
50]
5.3-6.6
[20
|
25]
Front
0.630 [16]
0-0.02
[0
|
0.5]
0.157
-0.236
[4
|
6]
1/16
[1.6]
380
|
420 32
|
35
1.5-1.6
[45
|
50]
5.3-6.6
[20
|
25]
Back
300
|
350 32
|
35
1.0-1.1
[30
|
35]
5.3-6.6
[20
|
25]
Front
0.45
[1.2]
300
|
350 32
|
35
1.0-1.1
[30
|
35]
5.3-6.6
[20
|
25]
Back
380
|
420 36
|
39
1.1-1.3
[35
|
40]
5.3-6.6
[20
|
25]
Front
0.630 [16]
0.157
-0.236
[4
|
6]
380
|
420 36
|
39
1.1-1.3
[35
|
40]
5.3-6.6
[20
|
25]
Back
400
|
450 36
|
42
0.8-1.0
[25
|
30]
5.3-6.6
[20
|
25]
Front
400
|
450 36
|
42
0.8-1.0
[25
|
30]
5.3-6.6
[20
|
25]
Back
2
400
|
420 36
|
39
1.3-1.5
[40
|
45]
5.3-6.6
[20
|
25]
1 F
0.748 [19]
400
|
420 39
|
42
1.0-1.1
[30
|
35]
5.3-6.6
[20
|
25]
2 B
400
|
420 36
|
39
1.3-1.5
[40
|
45]
5.3-6.6
[20
|
25]
1 F
4
0.984 [25]
0
0.197
-0.276
[5
|
7]
1/16
[1.6]
400
|
450 39
|
42
1.0-1.1
[30
|
35]
5.3-6.6
[20
|
25]
2 B
g