This report is essentially a graphical summary of elevated-temperature data for the commercially produced stainless steels. Included are summary curves for tensile strength, 0.2 per cent offset yield strength, per cent elongation, per cent reduction of area, stresses for rupture in 100, 1000, 10,000, and 100,000 hr, and stress for creep rates 0.0001 and 0.00001 per cent per hr (1 per cent in 10,000 and 100,000 hr). An Appendix is included, which contains the primary data from which the summary curves were drawn. The data sheets in the Appendix also give the chemical composition, processing data, and other pertinent information about the steels included in this survey.
The preliminary work done by Westinghouse on properties of materials suitable for the in-pile testing facility was reviewed. Information was collected on a selected list of promising materials in the following classifications: alloy steels, chromium steels, precipitation-hardening stainless steels, and superalloys. On the basis of the information obtained from Westinghouse, from the literature survey, from Battelle files, and from visits to producers, it is recommended that Phase II of the program be confined to Inconel X hot rolled and aged, AM-350 subzero cooled and tempered, and Discaloy solution treated and aged. The future work necessary is detailed in a separate proposed research program. The process of making coextruded tubes developed by The Babcock & Wilcox Company appears promising for similar applications (where a high-strength outer layer is required in conjunction with a highly corrosion-resistant inner layer).
This report is a graphical summary of the elevated-temperature strength data for medium-carbon alloy steels. It includes summary curves for tensile strength; 0.2 per cent offset yield strength; per cent elongation and reduction in area; stresses for rupture in 100, 1000, 10,000, and 100,000 hr; and stresses for creep rates of 0.0001 and 0.00001 per cent per hour (one per cent in 10,000 and 100,000 hr). Data for 27 steels representing approximately a dozen alloy types are given. This report also contains data for a few miscellaneous low-carbon alloy steels.
This compilation lists the name, nominal chemical composition, characteristic rupture strengths for rupture in 100 and 1000 hr, and patentee for approximately 163 domestic and 75 foreign alloys. The compilation includes the ferritic (martensitic) alloys and age-hardening stainless steels. It does not include the conventional austenitic stainless steels.
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