SEDL / STP / STP610-EB / STP28688S

Stress-Corrosion Cracking of Stainless Steels in Hydrogen Sulfide Solutions

Takemura, S
Researcher, researcher, and manager of Research Laboratory, Hikari Works, Nippon Steel Corporation, Yamaguchi,

Onoyama, M
Researcher, researcher, and manager of Research Laboratory, Hikari Works, Nippon Steel Corporation, Yamaguchi,

Ooka, T
Researcher, researcher, and manager of Research Laboratory, Hikari Works, Nippon Steel Corporation, Yamaguchi,

Pages: 11    Published: Jan 1976

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Abstract

The environment causing stress-corrosion cracking (SCC) at the top of a distillation tower in a crude oil refinery was reproduced in the laboratory. It was an acidified hydrogen sulfide solution with a pH value up to 3.5 at 80°C. In the solution, austenitic stainless steels such as AISI Type 304 or 316 failed because of SCC; however, modified ferritic stainless steels showed good corrosion resistance.