Improvement of Pitting Corrosion Resistance of Type 316L Stainless Steel by Potentiostatic Removal of Surface MnS Inclusions

Table 1

Chemical composition of specimens (wt%).

Specimen	C	Si	Mn	P	S	Ni	Cr	Mo	Cu
Commercial type 316L	0.022	0.69	0.9	0.027	0.004	12.08	17.25	2.09	—
High-purity type 316L	0.004	0.01	0.01	0.003	0.001	14.78	17.4	2.63	0.01