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Hydrogen sulfide corrosion of weld regions in API X52 steel

Hydrogen sulfide corrosion of weld regions in API X52 steel
Hydrogen sulfide corrosion of weld regions in API X52 steel
The corrosion behavior of gas metal arc welding (GMAW) regions has been studied using potentiodynamic polarization and polarization resistance (LPR) techniques. Experiments were conducted in hydrogen sulfi de (H2S)- containing brine and in H2S-free brine. Welds were made on API 5L X52 steel. Due to diff erences in their microstructure, chemical composition and residual stress level, weld regions exhibited diff erent responses under H2S corrosion. Base metal exhibited the highest corrosion rate (CR) and the most cathodic corrosion potential.
1405-7743
Arenas Martinez, Luis Fernando
6e7e3d10-2aab-4fc3-a6d4-63a6614d0403
García-Cerecero, G.
8c245d8e-081a-42dd-aa47-974be16aeb3e
Arenas Martinez, Luis Fernando
6e7e3d10-2aab-4fc3-a6d4-63a6614d0403
García-Cerecero, G.
8c245d8e-081a-42dd-aa47-974be16aeb3e

Arenas Martinez, Luis Fernando and García-Cerecero, G. (2012) Hydrogen sulfide corrosion of weld regions in API X52 steel. Ingeniería. Investigación y Tecnología, 13. (doi:10.22201/fi.25940732e.2012.13n4.046).

Record type: Article

Abstract

The corrosion behavior of gas metal arc welding (GMAW) regions has been studied using potentiodynamic polarization and polarization resistance (LPR) techniques. Experiments were conducted in hydrogen sulfi de (H2S)- containing brine and in H2S-free brine. Welds were made on API 5L X52 steel. Due to diff erences in their microstructure, chemical composition and residual stress level, weld regions exhibited diff erent responses under H2S corrosion. Base metal exhibited the highest corrosion rate (CR) and the most cathodic corrosion potential.

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Published date: October 2012
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Identifiers

Local EPrints ID: 500920
URI: http://eprints.soton.ac.uk/id/eprint/500920
DOI: doi:10.22201/fi.25940732e.2012.13n4.046
ISSN: 1405-7743
PURE UUID: 3b81f1cf-f7fd-4696-aab6-f158112cf47b
ORCID for Luis Fernando Arenas Martinez: ORCID iD orcid.org/0000-0002-9579-5082

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Date deposited: 16 May 2025 16:40
Last modified: 17 May 2025 02:05

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Author: Luis Fernando Arenas Martinez ORCID iD
Author: G. García-Cerecero

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