Short Transverse Properties of Certain High-Strength Steels

[+] Author and Article Information
A. D. E. Thomson, P. R. Christopher, J. Bird

Naval Construction Research Establishment, St. Leonard’s Hill, Dunfermline, Fife, Scotland

J. Eng. Ind 90(4), 627-635 (Nov 01, 1968) (9 pages) doi:10.1115/1.3604699 History: Received June 12, 1968; Online August 25, 2011


Attention has been paid in Naval Construction Research Establishment to the importance of problems arising from the presence of small nonmetallic inclusions in high-strength, low-alloy structural steels and, in particular, to their effect on short transverse properties. Consequences can be more marked in high yield steels since, in general, these possess a higher yield to ultimate ratio and lower ductility in tensile tests than for mild steel. The nature of these inclusions and the value of the various tests carried out to determine their effects on the properties of steel plates are discussed. The consequences of short transverse weakness in large-scale construction employing thick plates is considered. Although there is no effect on yield strength it is clear that ductility and fatigue properties of such structures may need special attention. In general, measures recently imposed to obtain adequately inclusion-free steel are endorsed for current steels, but for projected steels of higher yield more sophisticated methods of manufacture may be necessary.

Copyright © 1968 by ASME
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