API 939-C : 2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
GUIDELINES FOR AVOIDING SULFIDATION (SULFIDIC) CORROSION FAILURES IN OIL REFINERIES
Hardcopy , PDF
16-01-2019
English
01-01-2009
Introduction
1 Scope
2 Normative References
3 Definitions and Acronyms
3.1 Definitions
3.2 Acronyms
4 Basics of Sulfidation Corrosion
5 Location of Sulfidation Corrosion
6 Effects of Process and Material Variables on
Corrosion Rates
6.1 Introduction
6.2 H[2]-free Sulfidation
6.3 H[2]/H[2]S Corrosion
7 Practical Guidelines for Avoiding Sulfidation
Corrosion Failures
7.1 For Existing Units and Components
7.2 New and Replacement Components
8 Limitations of Current Knowledge Base
9 Incidents
Annex A (informative) - Failure Experience Summary
Annex B (informative) - Sulfidation Corrosion Prediction Tools
Annex C (informative) - Corrosion Data for Carbon Steel Piping
with Higher and Lower Si Contents
Bibliography
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