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Investigation of the Hydrogen Embrittlement of API 5L Natural Gas Pipeline Steels

Hydrogen produced during corrosion or through hydrogen blending into natural gas pipelines can lead to the degradation of ductility of metals used in these transmission pipelines. The effect of hydrogen on the mechanical properties of pipeline steels was studied for three grades of API 5L steels: X56, X65, and X100. These steels are either commonly used in or developed for use in natural gas transmission pipelines which are being considered for use in hydrogen blending. These steels were subjected to constant strain rate tensile testing after charging with electrochemically generated hydrogen. This paper reports on work to extend the life of the natural gas pipeline network via understanding the effect of hydrogen embrittlement induced by corrosion processes.
Product Number: 51324-20922-SG
Author: Lucas Teeter; Kyle Rozman; Zineb Belarbi; Ömer Doğan
Publication Date: 2024
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