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Journal Articles International Journal of Hydrogen Energy Year : 2012

Recommendations on X80 steel for the design of hydrogen gas transmission pipelines

Abstract

By limiting the pipes thickness necessary to sustain high pressure, high-strength steels could prove economically relevant for transmitting large gas quantities in pipelines on long distance. Up to now, the existing hydrogen pipelines have used lower-strength steels to avoid any hydrogen embrittlement. The CATHY-GDF project, funded by the French National Agency for Research, explored the ability of an industrial X80 grade for the transmission of pressurized hydrogen gas in large diameter pipelines. This project has developed experimental facilities to test the material under hydrogen gas pressure. Indeed, tensile, toughness, crack propagation and disc rupture tests have been performed. From these results, the effect of hydrogen pressure on the size of some critical defects has been analyzed allowing proposing some recommendations on the design of X80 pipe for hydrogen transport. Cost of hydrogen transport could be several times higher than natural gas one for a given energy amount. Moreover, building hydrogen pipeline using high grade steels could induce a 10 to 40% cost benefit instead of using low grade steels, despite their lower hydrogen susceptibility.
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Dates and versions

hal-03470998 , version 1 (08-12-2021)

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L. Briottet, R. Batisse, G. de Dinechin, P. Langlois, L. Thiers. Recommendations on X80 steel for the design of hydrogen gas transmission pipelines. International Journal of Hydrogen Energy, 2012, 37 (11), pp.9423-9430. ⟨10.1016/j.ijhydene.2012.02.009⟩. ⟨hal-03470998⟩
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