Table 1: Chemical composition of the DP980 used in this study ( %wt)
C Mn Si Cr Mo
DP980 0.14 1.7 0.08 0.25 0.16
Table 2: Welding schedules
Welding Current (kA) 7-8-9-10-11-12
Welding Time (sec) 0.2-0.3-0.4-0.5
Electrode Force (kN) 4-4.5-5
Holding Time (s) 0.2
Squeeze Time (s) 0.4