MasterTig 235ACDC, 325DC, 335ACDC, 425DC
Operating manual - EN
6.6 TIG guide tables
The tables in this chapter are given only as a general guidance. The information provided is based solely on the use
of WC20 (grey) electrode and Argon gas.
TIG welding (AC)
Welding current range AC Electrode (WC20) Gas nozzle Gas flow rate
Min. A Max. A ø mm number ø mm l/min (Argon)
15 90
1.6 4 / 5 / 6 6.5 / 8.0 / 9.5 6…7
20 150
2.4 6 / 7 9.5 / 11.0 7…8
30 200
3.2 7 / 8 / 10 11.0 / 12.5 / 16 8…10
40 350
4.0 10 / 11 16 / 17.5 10…12
TIG welding (DC)
Welding current range DC Electrode (WC20) Gas nozzle Gas flow rate
Min. A Max. A ø mm number ø mm l/min (Argon)
5 80
1.0 4 / 5 6.5 / 8.0 5…6
70 140
1.6 4 / 5 / 6 6.5 / 8.0 / 9.5 6…7
140 230
2.4 6 / 7 9.5 / 11.0 7…8
225 330
3.2 7 / 8 / 10 11.0 / 12.5 / 16 8…10
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