22
Piping
diameter/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
~
120
14
~
16
12
~
14
5
~
6
273
2.5
8
~
10
2.5
110
~
125
14
~
16
12
~
14
5
~
6
325
2.5
8
~
10
2.5
120
~
140
14
~
16
12
~
14
5
~
6
Notice: the above parameters originate from Welding Dictionary
》
P167, Volume 1 of Edition 2.
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