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RESEARCH PAPERS

The Creep Rupture Properties of ASME SA 516 (Grade 55) Steel in the Range 426°C to 872°C

[+] Author and Article Information
M. G. Cowgill, K. C. Thomas

Westinghouse Electric Corporation, Advanced Reactors Division, Madison, Pa. 15663

J. Eng. Mater. Technol 103(3), 253-260 (Jul 01, 1981) (8 pages) doi:10.1115/1.3225010 History: Received March 03, 1980; Online September 15, 2009

Abstract

The in-air creep-rupture properties of SA-516 (Grade 55) steel have been investigated in the temperature range 426–872°C (800–1600°F). The rupture time and creep rate data have been correlated using the Larson-Miller method, and relationships have been developed between the time to onset of tertiary creep and the time to rupture. Interpretation of the data involved consideration of the microstructural changes above and below the eutectoid temperature, and in which decarburization was an important factor.

Copyright © 1981 by ASME
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