Twin-Wire Pulsed Tandem Gas Metal Arc Welding of API X80 Steel Linepipe

Table 1

Chemical compositions of API X80 (wt%).

C	Mn	Si	P	S	Mo	Ni	Cr	Cu	V	Nb	Ti	Fe
0.05	1.75	0.22	0.011	0.002	0.010	0.023	0.166	0.117	0.004	0.046	0.017	Balance