Study of Tool Wear and Overcut in EDM Process with Rotary Tool and Magnetic Field

Table 1

Chemical composition of SPK material (X210Cr12).

Element	C	Si	Mn	P	S	Cr	Mo	Ni	Co
Wt%	2.1	0.39	0.25	0.01	0.03	11.20	0.04	0.15	<0.005