Wear Inducing Phase Transformation of Plasma Transfer Arc Coated Tools during Friction Stir Welding with Al Alloy

Table 1

Chemical composition of the SKD61 mold steel (PTA coated substrate) (wt.%).

C	Si	Mn	P	S	Cr	Mo	V	Fe
0.35	0.80	0.40	0.02	0.02	4.50	1.20	1.00	Bal.