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International Hydrogen Conference (IHC 2016): Materials Performance in Hydrogen Environments

Editor
B. P. Somerday
B. P. Somerday
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P. Sofronis
P. Sofronis
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ISBN:
9780791861387
No. of Pages:
800
Publisher:
ASME Press
Publication date:
2017

The current ASME B31.12 code used to guide the design of hydrogen pipelines favors the use of API 5L X52, but is being modified to include higher strength steels, such as X70 to enable cost reductions without affecting safety. To provide a scientific basis for code modification, fatigue crack growth (FCG) tests were conducted on an X52 pipeline steel that is currently in service transporting hydrogen gas, as well as two X70 pipeline steels designed for natural gas. Compact tension specimens were tested in hydrogen gas pressurized to 5.5 MPa or 34 MPa. A comparison of these tests, conducted at...

Introduction
Materials and Methods
Results
Discussion
Conclusions
Acknowledgements
References
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