Material Removal Rate, Electrode Wear Rate, and Surface Roughness Evaluation in Die Sinking EDM with Hollow Tool through Response Surface Methodology

Table 1

The composition of EN 353.

Composition
Contents	C	Si	Mn	Cr	Mo	S	P	Al	Ni
Percentage	0.18	0.22	0.66	0.89	0.13	0.033	0.034	0.026	1.06