SYMPOSIA PAPER Published: 01 January 1982
STP28398S

Formability of the Next Generation of High-Strength Low-Alloy Steels: The Effects of Low Temperatures and Processing Conditions

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To meet the challenge of transporting mineral and energy resources from the Canadian North as well as the need to conserve materials and energy, many new high-strength low-alloy (HSLA) steels have been and are being developed. This paper presents the results of the effect of low-temperature environments on steels. Four Arctic HSLA steels, a dual-phase steel, three experimental HSLA weathering steels and three experimental boron-HSLA steels have been used in the study. Tension tests have been carried out from room temperature to −196°C (−321°F) to evaluate the formability parameters (mainly uniform elongation and strain hardening exponent). Instrumented impact tests have also been carried out on the dual-phase steel to study its ductility under high rates of deformation. The relevance of this study to formability practice (in situ as well as “shop”) of HSLA steels are pointed up. The areas where further work is needed are also discussed.

Author Information

Krishnadev, MR
Laval University, Quebec, Canada
Cutler, LR
Laval University, Quebec, Canada
Sojka, GJ
Laval University, Quebec, Canada
Guérette, J
Laval University, Quebec, Canada
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Details
Developed by Committee: E28
Pages: 241–262
DOI: 10.1520/STP28398S
ISBN-EB: 978-0-8031-4822-2
ISBN-13: 978-0-8031-0742-7