161
Chapter 10
Reference Materials
M
ATERIALS
FOR
S
ETTING
W
ELDING
C
ONDITIONS
R
EFERENCE
M
ATERIALS
C
HAPTER
10
Example for welding conditions of lap fillet
5/8 (16)
0
5/32 to
15/64
(4 to 6)
.045 (1.2)
300 to 350
32 to 35
12 to 14
(30 to 35)
42 to 53
(20 to 25)
Front
2
300 to 350
32 to 35
12 to 14
(30 to 35)
42 to 53
(20 to 25)
Back
1/16 (1.6)
380 to 420
36 to 39
14 to 16
(35 to 40)
42 to 53
(20 to 25)
Front
380 to 420
36 to 39
14 to 16
(35 to 40)
42 to 53
(20 to 25)
Back
3/4 (19)
0
13/64 to
9/32
(5 to 7)
1/16 (1.6)
400 to 450
36 to 42
10 to 12
(25 to 30)
42 to 53
(20 to 25)
Front
2
400 to 450
36 to 42
10 to 12
(25 to 30)
42 to 53
(20 to 25)
Back
1/16 (1.6)
400 to 420
36 to 39
18 to 20
(45 to 50)
42 to 53
(20 to 25)
1
Front/
Back
4
400 to 420
36 to 39
14 to 16
(35 to 40)
42 to 53
(20 to 25)
2
63/64 (25)
0
13/64 to
9/32
(5 to 7)
1/16 (1.6)
400 to 420
36 to 39
16 to 18
(40 to 45)
42 to 53
(20 to 25)
1
Front/
Back
4
420 to 450
39 to 42
12 to 14
(30 to 35)
42 to 53
(20 to 25)
2
Plate thickness
t [in. (mm)]
Wire diameter
[in. (mm)
ƕ
]
Current
(A)
Voltage
(V)
Travel speed
[IPM (cm/min)]
Aim position
CO
2
-
gas flow rate
[CFH (L/min)]
18 ga. (1.2)
.030 to .040
(0.8 to 1.0)
80 to 100
18 to 19
18 to 22
(45 to 55)
A
21 to 32
(10 to 15)
16 ga. (1.6)
.030 to .045
(0.8 to 1.2)
100 to 120
18 to 20
18 to 22
(45 to 55)
A
21 to 32
(10 to 15)
14 ga. (2.0)
.040 to .045
(1.0 to 1.2)
100 to 130
18 to 20
18 to 22
(45 to 55)
A
or
B
34 to 42
(15 to 20)
12 ga. (2.3)
.040 to .045
(1.0 to 1.2)
120 to 140
19 to 21
18 to 20
(45 to 50)
B
34 to 42
(15 to 20)
1/8 (3.2)
.040 to .045
(1.0 to 1.2)
130 to 160
19 to 22
18 to 20
(45 to 50)
B
34 to 42
(15 to 20)
11/64 (4.5)
.045 (1.2)
150 to 200
21 to 24
16 to 18
(40 to 45)
B
34 to 42
(15 to 20)
Plate
thickness
t [in. (mm)]
Bevel shape
Root
opening
g [in.
(mm)]
Root face
h [in. (mm)]
Wire
diameter
[in. (mm)
ƕ
]
Current
(A)
Voltage
(V)
Travel
speed
[IPM
(cm/min)]
CO
2
-
gas
flow rate
[CFH
(L/min)]
Number of
layers
#
㨪q
Aim position
$
㨪q
V