Abstract
A low-carbon, 25Mn-5Cr-lNi, austenitic steel has been developed for cryogenic applications. Previous work indicated that the 25Mn steel has excellent strength and ductility to 4 K,1 high Charpy impact toughness to 23 K (the minimum temperature tested),1,2 a stable austenite microstructure,1,2 and a low (relative to stainless steels) thermal expansion coefficient.3 A weld metal with nearly matching composition, 25Cr-2.8Ni-6.SCr-l.4Mo, has comparable properties.
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References
Yoshimura, H., Masumoto, H., Inoue, T., in Advances in Cryogenic Engineering, Vol. 28, Plenum Press, New York (1982), p. 115.
Reed, R. P., in Advances in Cryogenic Engineering, Vol. 7, Plenum Press, New York, (1962), p. 448.
ASTM Designation: E813-81, Standard Test for Jc a Measure of Fracture Toughness, in Annual Book of ASTM Sfandards, Part 10, American Society for Testing and Materials, Philadelphia (1981).
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Tobler, R. L. Reed, R. P., in Advances in Cryogenic Engineering, Vol. 24, Plenum Press, New York (1978), p. 82.
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© 1983 Plenum Press, New York
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McHenry, H.I., Elmer, J.W., Inoue, T. (1983). Fracture Properties of a 25Mn Austenitic Steel and its Welds At 4 K. In: Reed, R.P., Horiuchi, T. (eds) Austenitic Steels at Low Temperatures. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-3730-0_22
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DOI: https://doi.org/10.1007/978-1-4613-3730-0_22
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