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Thermal and Mechanical Treatments for Precipitation - Hardenable Stainless Steels and Their Effect on Mechanical Properties

This report is one of a series of state-of-the-art reports being
prepared by Battelle Memorial Institute, Columbus, Ohio, under
Contract No. DA-Ol-OZl-AMC-ll651(Z), in the general field of materials
fabrication.
This report is intended to provide information useful to heat treaters,
fabricators and process engineers responsible for the processing of
precipitation-hardenable stainless steels. The subjects covered in the
report are physical metallurgy, annealing, solution treating, homogenizing,
austenite conditioning, precipitation hardening, hot working and cold working.
Heat treating and cleaning equipment are described and precautions regarding
furnace atmospheres and cleaning solutions are discussed. Processing
information is presented for a number of commercially available and promising
developmental precipitation-hardenable stainless steels.
Information for this report was obtained from the technical literature,
reports on Government contracts, producer's data, and personal contacts with
technical personnel in industry. A total of 42 references are cited; most
of them dated later than 1963. The authors would like to acknowledge the
efforts of Mrs. Anita L. Coles, Mr. w. L. Buckel, Mr. J. A. Gibson, and
Mr. V. W. Ellzey for their assistance in the literature searches and for
providing the technical reports.