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    Properties of Some Precipitation-Hardening Stainless Steels and Low-Alloy High-Strength Steels at Very Low Temperatures

    Published: Jan 1961

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    The cryogenic properties of materials have assumed great importance since the development of the liquid-fueled rocket engine as a prime propulsion system. A great deal of work is under way in a number of laboratories, including Battelle Memorial Institute, to determine the mechanical properties of materials to be used at liquid oxygen and liquid hydrogen temperatures. Of special interest are a number of alloys such as the precipitation-hardening stainless steels and the high-strength low-alloy steels being used in missiles and aircraft now in production. These steels possess high strength-to-weight ratios and are generally heat treated so as to have high strength at room and moderately elevated temperatures. Mechanical properties of metals and alloys measured at cryogenic temperatures often reveal extreme brittleness. It is for this reason that the selection or use of high-strength metals for low-temperature applications must be based on mechanical properties determined at the operating temperatures. This paper contains data on the cryogenic properties of several precipitation-hardening stainless steels and high-strength low-alloy steels from room temperature to −423 F.

    Author Information:

    Campbell, J. E.
    Battelle Memorial Inst., Columbus, Ohio

    Rice, L. P.
    Battelle Memorial Inst., Columbus, Ohio

    Committee/Subcommittee: E28.10

    DOI: 10.1520/STP46983S