Abstract
Flexural and flexural-torsional buckling are stability phenomena and the controlling limit state for carbon steel angle columns. When these columns are made of austenitic stainless steel, some structural response differences are expected and motivated the present investigation. In fact, the stainless steel grade has been investigated in last few years due to unique proprieties in comparison with the carbon steel grades. Therefore, this paper aimed to enlarge the available experimental data for austenitic angles under compression. To fulfil these objectives, thirteen specimens were tested on 64 × 64 × 6.4 hot rolled equal-legs angles with lengths varying from 250 mm to 1500 mm. A numerical study has been developed comparing the results with experimental tests. In addition, a parametric analysis was performed where the slenderness and cross sections ranges were expanded to investigate their influence on the structural behaviour. These results were compared to Eurocode 3 part 1–4 and enabled the suggestion of better-suited values for the adopted Eurocode column curve parameters λ0 and α, respectively.
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