Fracture Toughness of ASTM A533 Grade B Class 1 Heavy Section Submerged Arc Weldments

[+] Author and Article Information
W. O. Shabbits, W. H. Pryle, E. T. Wessel

Mechanics Department, Research & Development Center, Westinghouse Electric Corp., Pittsburgh, Pa.

J. Basic Eng 93(2), 231-236 (Jun 01, 1971) (6 pages) doi:10.1115/1.3425218 History: Received November 12, 1970; Online October 27, 2010


Fracture toughness data are presented for two ASTM A533 Grade B Class 1, 12-in-thick plate submerged arc process weldments. These data were generated in accordance with current ASTM recommended toughness testing procedures using compact tension specimens up to 8 in. thick. The toughness (KIc ) properties show a strong temperature dependence resulting in rapidly increasing toughness with increasing temperature. Each of the weld deposit materials and also some limited heat-affected-zone data revealed toughness properties comparable or superior to ASTM A533 Grade B Class 1 plate material. Pertinent data relating to the weld parameters and composition, as well as the conventional tensile and Charpy V notch data are also given. For these weldment materials, the high toughness (KIc ) properties found provide excellent reliability against brittle fracture in heavy section pressure vessel applications.

Copyright © 1971 by ASME
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