Mechanical and Formability Evaluation of ST14 Alloys Welded by Friction Stir Welding

Table 1

Chemical composition of ST14 steel (weight percentage).

Grade	C	Si	Mn	P	S	Ni	Mo	Cu	V	W	Co	Al	Sn	Pb
St14	0.04	0.01	0.23	0.007	0.006	0.03	0.01	0.03	0.002	0.003	0.004	0.055	0.007	0.003