9.2 TIG welding (continuos arc)
Description
Welding polarity
Steel TIG welding
Preparing the edges
Choosing and preparing the electrode
D.C.S.P. (Direct Current Straight Polarity)
D.C.R.P. (Direct Current Reverse Polarity)
D.C.S.P.-Pulsed (Direct Current Straight Polarity Pulsed)
Ø electrode
1.0 mm
1.6 mm
2.4 mm
71
WELDING THEORY
Current range
15÷75 A
60÷150 A
130÷240 A
EN