Structural Steel ASTM A709—Behavior at Uniaxial Tests Conducted at Lowered and Elevated Temperatures, Short-Time Creep Response, and Fracture Toughness Calculation
Publication: Journal of Engineering Mechanics
Volume 136, Issue 9
Abstract
This paper presents the temperature dependence of the mechanical properties of structural high-strength low-alloy (HSLA) ASTM A709 Gr50 steel (En10025: S355 JO; DIN: ST 52-3U). Engineering stress-strain diagrams at lowered and elevated temperatures are presented. Creep responses for selected constant stresses at selected temperatures are also presented and are fit with a rheological model. Additionally, a relation between impact toughness and fracture toughness is proposed and is validated using results from notch impact tests on a Charpy pendulum impact machine.
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Acknowledgments
The research presented in this paper was realized within the Scientific Project No. UNSPECIFIED069-0691736-1737 “Numerical analysis of structural response for specific service conditions” financially supported by the Ministry of Science, Education, and Sport of the Republic of Croatia. Also, the writers would like to thank the staff of the Material Testing Laboratory of the Department of Materials at the Faculty of Engineering in Rijeka, Croatia for their participation in determination of testing material composition.
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Information
Published In
Journal of Engineering Mechanics
Volume 136 • Issue 9 • September 2010
Pages: 1083 - 1089
Copyright
© 2010 ASCE.
History
Received: Apr 15, 2009
Accepted: Feb 17, 2010
Published online: Feb 19, 2010
Published in print: Sep 2010
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