voestalpine Bohler Welding URANOS NX 2700 AC/DC Manuel D'instructions page 75

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