HYDROGEN ATTACK OF 1020 STEEL: INFLUENCE OF HYDROGEN SULFIDE.

Dan Eliezer; Howard G. Nelson

doi:10.5006/0010-9312-35.1.17

HYDROGEN ATTACK OF 1020 STEEL: INFLUENCE OF HYDROGEN SULFIDE.

Dan Eliezer, Howard G. Nelson

Department of Materials Engineering

Research output: Contribution to specialist publication › Article

5 Scopus citations

Abstract

The influence of gaseous hydrogen sulfide in a hydrogen environment on the mechanical degradation of plain carbon steel exposed to elevated temperatures was examined. Hydrogen attack of SAE 1020 carbon steel was investigated at room temperature after exposure to 525 C at pressure of 3. 5 MN/m**2 (500 psi) for times up 240 hours. Exposure to pure hydrogen resulted in a reduction in the yield strength of 57% and the ultimate strength of 34% with a very marginal reduction in elongation. Methane fissures and bubbles were observed. The influence of a FeS surface layer on the susceptibility of carbon steel to hydrogen attack and its applicability to coal gasification systems are discussed.

Original language	English
Pages	17-21
Number of pages	5
Volume	35
No	1
Specialist publication	Corrosion
DOIs	https://doi.org/10.5006/0010-9312-35.1.17
State	Published - 1 Jan 1979

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
General Materials Science

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abstract = "The influence of gaseous hydrogen sulfide in a hydrogen environment on the mechanical degradation of plain carbon steel exposed to elevated temperatures was examined. Hydrogen attack of SAE 1020 carbon steel was investigated at room temperature after exposure to 525 C at pressure of 3. 5 MN/m**2 (500 psi) for times up 240 hours. Exposure to pure hydrogen resulted in a reduction in the yield strength of 57% and the ultimate strength of 34% with a very marginal reduction in elongation. Methane fissures and bubbles were observed. The influence of a FeS surface layer on the susceptibility of carbon steel to hydrogen attack and its applicability to coal gasification systems are discussed.",

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N2 - The influence of gaseous hydrogen sulfide in a hydrogen environment on the mechanical degradation of plain carbon steel exposed to elevated temperatures was examined. Hydrogen attack of SAE 1020 carbon steel was investigated at room temperature after exposure to 525 C at pressure of 3. 5 MN/m**2 (500 psi) for times up 240 hours. Exposure to pure hydrogen resulted in a reduction in the yield strength of 57% and the ultimate strength of 34% with a very marginal reduction in elongation. Methane fissures and bubbles were observed. The influence of a FeS surface layer on the susceptibility of carbon steel to hydrogen attack and its applicability to coal gasification systems are discussed.

AB - The influence of gaseous hydrogen sulfide in a hydrogen environment on the mechanical degradation of plain carbon steel exposed to elevated temperatures was examined. Hydrogen attack of SAE 1020 carbon steel was investigated at room temperature after exposure to 525 C at pressure of 3. 5 MN/m**2 (500 psi) for times up 240 hours. Exposure to pure hydrogen resulted in a reduction in the yield strength of 57% and the ultimate strength of 34% with a very marginal reduction in elongation. Methane fissures and bubbles were observed. The influence of a FeS surface layer on the susceptibility of carbon steel to hydrogen attack and its applicability to coal gasification systems are discussed.

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ER -

HYDROGEN ATTACK OF 1020 STEEL: INFLUENCE OF HYDROGEN SULFIDE.

Abstract

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