The Effect of H₂S Pressure on the Formation of Multiple Corrosion Products on 316L Stainless Steel Surface

Table 2

The experimental parameters and weight loss of 316L steel exposed to two different environments.

Test condition	Without H2S	With H2S
Temperature (°C)	60
Partial pressure H2S (bar)	0	3
Total pressure (bar)	30
pH (before/after)	2.52/2.63	2.95/3.42
Weight loss (g)	0.01	0.086
Immersion time	7 days (128 h)
Solution	NACE TM0177 solution A (5wt% NaCl and 0.5wt% CH3COOH in distilled water)