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Fracture Properties of a 25Mn Austenitic Steel and its Welds At 4 K

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Austenitic Steels at Low Temperatures

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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

  1. Yoshimura, H., Masumoto, H., Inoue, T., in Advances in Cryogenic Engineering, Vol. 28, Plenum Press, New York (1982), p. 115.

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  2. Reed, R. P., in Advances in Cryogenic Engineering, Vol. 7, Plenum Press, New York, (1962), p. 448.

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  3. 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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  4. Austin, M. W., Ledbetter, H. M., Private communication, National Bureau of Standards, Boulder, Colorado 21: 415 (1981).

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  5. Read, D. T., Reed, R. P., Cryogenics 21: 415 (1981).

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  6. Elmer, J. W., McHenry, H. I., Whipple, T. A., Strength and Toughness of Fully Austenitic Stainless Steel Filler Metals at 4 K, NBSIR 81-1645, National Bureau of Standards, Boulder, Colorado (1976), p. 289.

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  7. Tobler, R. L. Reed, R. P., in Advances in Cryogenic Engineering, Vol. 24, Plenum Press, New York (1978), p. 82.

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Author information

Authors and Affiliations

  1. Fracture and Deformation Division, National Bureau of Standards, Boulder, Colorado, USA

    H. I. McHenry & J. W. Elmer

  2. Nippon Steel Corporation Fundamental Research Laboratory, Kawasaki, Japan

    T. Inoue

Authors
  1. H. I. McHenry
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  2. J. W. Elmer
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  3. T. Inoue
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Editor information

Editors and Affiliations

  1. National Bureau of Standards, Boulder, Colorado, USA

    R. P. Reed

  2. Kobe Steel, Ltd., Kobe, Japan

    T. Horiuchi

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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

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4613-3732-4

  • Online ISBN: 978-1-4613-3730-0

  • eBook Packages: Springer Book Archive

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