Summary for crevice corrosion Discussion
Crevice corrosion in 316L stainless steel is the issue raised by Sanjay Chandra, who reported a clad SUS 316L tank with a rough overall appearance and patchy damage about 10 x 20 x 1 mm. He asked what crevice corrosion is and how to prevent it. The only answer in the thread is from Lee Kremer of Stellar Solutions, Inc., who does not explain the mechanism in the excerpt but directs readers to another page for more information about crevice corrosion. Because the response is a referral rather than a full technical explanation, the thread mainly establishes the likely diagnosis and points to outside reference material for prevention guidance. No conflicting opinions appear in the excerpt.
Q. One of my vessels having clad stainless steel tanks of SUS 316L developed corrosion damages. The whole tank has a rough look. The corrosion is of patches of 10 x 20 x 1 mm with very rough texture. The steel maker calls it crevice corrosion? What is crevice corrosion and how can we prevent it?
Sanjay Chandra
shipping – Hong Kong
2003
A. Go to this page about crevice corrosion:
https://www.corrosion-doctors.org/Forms-crevice/Crevice.htm
Lee Kremer
Stellar Solutions, Inc.
McHenry, Illinois
