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RESEARCH PAPERS

Fatigue Curve Needs for Higher Strength 2-1/4Cr-1Mo Steel for Petroleum Process Vessels (Survey Paper)

[+] Author and Article Information
C. E. Jaske

Battelle, Columbus, OH 43201

J. Pressure Vessel Technol 112(4), 323-332 (Nov 01, 1990) (10 pages) doi:10.1115/1.2929884 History: Received December 05, 1988; Revised May 08, 1989; Online June 17, 2008

Abstract

This paper reviews the data needed to develop fatigue design rules for pressure vessels fabricated from heat-treated 2-1/4Cr-1Mo steel (SA-387, Grade 22, Class 2 plates and SA-336, Grade F22 forgings) that are operated or designed to operate at temperatures greater than 371 C (700 F). The available data were reviewed, and the results of that review were used to develop recommendations for needed analytical and experimental work. Extension of the fatigue-curve approach currently used for temperatures up to 371 C (700 F) and development of a fracture-mechanics-based, crack-growth approach were addressed. Both of these two approaches must include means for assessing the time-dependent effects of oxidation and/or creep when fatigue cycling occurs at low strain rates or includes hold times. The recommendations of this study provide a plan for the development of fatigue design rules for the use of heat-treated 2-1/4Cr-1Mo steel at temperatures in the range of 371 to 482 C (700 to 900 F).

Copyright © 1990 by The American Society of Mechanical Engineers
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