Welding parameters: pulsed process in DC-mode, one-drop-per-pulse process, wire 1.2 mm in diameter, wire feed speed 3 to 6 m/min, welding speed 30 cm/min, contact tip setback 3 mm, contact-to-workpiece-distance (CTWD) 9 to 21 mm, peak current (I) 300 to 650 A, base current 25 A, pulse frequency 50 to 130 Hz, pulse duration 1 to 1.5 ms