Development of Design Criteria for a High Pressure Vessel Construction Code

[+] Author and Article Information
G. J. Mraz

National Forge Company, Andover, Mass. 01810

J. Pressure Vessel Technol 109(2), 256-259 (May 01, 1987) (4 pages) doi:10.1115/1.3264905 History: Received January 08, 1986; Revised September 23, 1986; Online November 05, 2009


Out of concern for public safety, most legal jurisdictions now require unfired pressure vessel construction to comply with the ASME Boiler and Pressure Vessel Code. Because the present two divisions of Section VIII of that Code are not well suited for high pressure design, a new division is needed [1]. The currently anticipated main design criteria of the proposed division are full plastic flow or full overstrain pressure, stress intensity in the bore, fatigue, and fracture mechanics. The rules are expected to allow better utilization of high strength steels already included in the present Section VIII. At the same time materials of even higher strength are introduced. The benefits of compressive prestress are recognized. Construction methods allowing it’s achievement, such as autofrettage, shrink fitting and wire winding are included. Reasons for selection of the criteria are given.

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