
ionTig 200 AC/DC
Copyright © Mundaka Welding & Gases, Inc.
28
3.2
1.1
60
20
~
200
TIG of stainless steel (single run welding)
Workpiece
thickness
/mm
Joint form
tungsten
electrode
diameter/mm
welding wire
diameter/mm
Argon gas
flow rate/
L·min
-1
welding
current
(DCEP)
Welding
speed/
cm·min
-1
0.8
Butt joint
1.0
1.6
5
20
~
50
66
1.0
Butt joint
1.6
1.6
5
50
~
80
56
1.5
Butt joint
1.6
1.6
7
65
~
105
30
1.5
Corner joint
1.6
1.6
7
75
~
125
25
2.4
Butt joint
1.6
2.4
7
85
~
125
30
2.4
Corner joint
1.6
2.4
7
95
~
135
25
3.2
Butt joint
1.6
2.4
7
100
~
135
30
3.2
Corner joint
1.6
2.4
7
115
~
145
25
4.8
Butt joint
2.4
3.2
8
150
~
225
25
4.8
Corner joint
3.2
3.2
9
175
~
250
20
Notice: the above parameters originate from
《
Welding Dictionary
》
P150, Volume 1 of Edition 2.
Parameters of piping back sealing welding for mild steel
(
DCEP
)
Piping
diameterΦ/mm
Tungsten
electrode
diameter/mm
Gas nozzle
diameter/mm
Welding wire
diameter/mm
Welding
current/A
Arc
voltage/V
Argon
flow rate
/ L·min
-1
Welding
rate
/ cm·min
-1
38
2.0
8
2
75
~
90
11
~
13
6
~
8
4
~
5
42
2.0
8
2
75
~
95
11
~
13
6
~
8
4
~
5
60
2.0
8
2
75
~
100
11
~
13
7
~
9
4
~
5
76
2.5
8
~
10
2.5
80
~
105
14
~
16
8
~
10
4
~
5
108
2.5
8
~
10
2.5
90
~
110
14
~
16
9
~
11
5
~
6
133
2.5
8
~
10
2.5
90
~
115
14
~
16
10
~
12
5
~
6
159
2.5
8
~
10
2.5
95
~
120
14
~
16
11
~
13
5
~
6
219
2.5
8
~
10
2.5
100
~
14
~
16
12
~
14
5
~
6