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Safety Factor of Austenitic Stainless Steel Pressure Vessels With Strain-Strengthening

[+] Author Affiliations
Gang Chen, Yang-Chun Deng

East China University of Science and Technology, Shanghai, China

Xiao-Feng Yang

Hubei Special Equipment Safety Inspection and Research Institute, Hubei, China

Paper No. PVP2008-61095, pp. 1269-1274; 6 pages
  • ASME 2008 Pressure Vessels and Piping Conference
  • Volume 6: Materials and Fabrication, Parts A and B
  • Chicago, Illinois, USA, July 27–31, 2008
  • Conference Sponsors: Pressure Vessels and Piping
  • ISBN: 978-0-7918-4829-6
  • Copyright © 2008 by ASME


The yield strength of austenitic stainless steels can be increased significantly through the strain-strengthening process. In this study, we presented the basic principle of strain-strengthening and introduced two strain-strengthening processes of austenitic stainless steels, Avesta process at normal temperature and Ardeform process at cryogenic temperature, in which Avesta process was much easier to operate. The design safety factor of pressure vessels with different levels of strain strengthening by Avesta process was also investigated. It was recommended that the strain during Avesta strain-strengthening process should be limited within 5%.

Copyright © 2008 by ASME



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