QST Rolled Shapes, a New Generation of HSLA Compression Members

by Frank van Rest, TradeARBED, Inc, New York City, United States,

Document Type: Proceeding Paper

Part of: Structural Engineering in Natural Hazards Mitigation


With the development of the Quenching and Self-Tempering (QST) process by the Luxembourg steelmaker ARBED S.A., a new generation of High Strength Low Alloy (HSLA) rolled shapes has become available. This paper discusses the QST process, the mechanical properties and weldability. It also touches on some design aspects and the economy of HSLA rolled shapes, used as compression members.

Subject Headings: Steel structures | Compression members | Steel columns | Welding | Structural strength | Compressive strength | High-strength concrete | High-strength steel | Luxembourg | Europe

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