Fatigue and Fracture Toughness Properties of 9 Percent Nickel Steel at LNG Temperatures

[+] Author and Article Information
D. A. Sarno, D. E. McCabe, T. G. Heberling

Armco Steel Corp., Middletown, Ohio

J. Eng. Ind 95(4), 1069-1075 (Nov 01, 1973) (7 pages) doi:10.1115/1.3438253 History: Received June 05, 1973; Online July 15, 2010


9 percent nickel steel has been evaluated for use in a semimembrane LNG containment design. Fatigue and fracture toughness properties of 1/4 in. thick base plate and weldments have been determined at cryogenic temperatures. Results of rotating beam fatigue, stress intensity (Kc ) and fatigue crack growth rate (da/dN versus ΔK) studies are presented. Data predict that 9 percent nickel steel, fabricated with the gas metal arc and shielded metal arc welding processes, may be successfully applied as the primary tank material for this LNG design.

Copyright © 1973 by ASME
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