Rapid Pitting Failure of Type 304 Stainless Steel Pipework

被引：1

作者：

Stott, Jim ^{[1
]}

机构：

[1] CAPCIS, Bainbridge House, Manchester, England

来源：

JOURNAL OF FAILURE ANALYSIS AND PREVENTION | 2022年 / 22卷 / 06期

关键词：

Bacterial corrosion; Chemical processing equipment; Corrosion; Leakage; Pipe; 304; UNS S30400; Biological corrosion; Pitting corrosion;

D O I：

10.1007/s11668-022-01545-z

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Several hundred leaks were reported in the type 304 stainless steel pipelines, vessels, and tanks of a chemical plant at a tropical location within a few weeks after startup. Investigation of the failure involved a site visit, metallographic examination and analysis of the material, analysis of hydrotest waters, and microbiological examination of slime that had formed in certain pipework sections. It was determined that the failure resulted from microbially induced corrosion promoted by the use of poor-quality hydrotest water and uncontrolled hydrotesting practice. Use of appropriate hydrotesting procedures was recommended to prevent similar failures.

引用

页码：2462 / 2466

页数：5

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