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OPERATION PARAMETER RECOMMENDATION
1 Generally, welding current is adequate to welding electrodes according with as following
electrode
specification
φ2.5 φ3.2 φ4.0 φ5.0
welding current 50-90A 90-130A 140-210A 190-270A
2 MIG welding parameter variables
The values listed in the following table are the general parameters under standard condition.
Material
thickness
(mm)
Wire
diameter
(mm)
Interval
(mm)
Current
(A)
Voltage
(V)
Welding
speed
(cm/min)
Wire
extension
(mm)
Gas flow rate
(L/min)
I Square butt welding
Low welding speed
0.8 0.8,0.9 0
60~70 16~16.5 50~60
10 10
1.0 0.8,0.9 0
75~85 17~17.5 50~60
10
10~15
1.2 0.8,0.9 0
80~90 16~16.5 50~60
10
10~15
1.6 0.8,0.9 0
95~105 17~18 45~50
10
10~15
2.0 1.0,1.2
0~0.5 110~120 18~19 45~50
10
10~15
2.3 1.0,1.2
0.5~1.0 120~130 19~19.5 45~50
10
10~15
3.2 1.0,1.2
1.0~1.2 140~150 20~21 45~50 10~15 10~15
4.5 1.0,1.2
1.0~1.5 160~180 22~23 45~50
15 15
1.2
1.2~
1.6 220~260 24~26 45~50
15
15~20
1.2
1.2~1.6 220~260 24~26 45~50
15
15~20
1.2 1.2~1.6 300~340 32~34 45~50 15 15~20
1.2 1.2~1.6 300~340 32~34 45~50 15 15~20
High welding speed
0.8 0.8,0.9 0 100 17 130 10 15
1.0 0.8,0.9 0 110
17.5
130 10 15
1.2 0.8,0.9 0 120
18.5
130 10 15
1.6 1.0,1.2 0 180
19.5
130 10 15
2.0 1.0,1.2 0 200 21 100 15 15
2.3 1.0,1.2 0 220 23 120 15 20
3.2 1.2 0 260 26 120 15 20