• Journal of Korean Society of Steel Construction
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• v.18 no.2
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• pp.271-278
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• 2006

This paper is to investigate into the stress-strain curves for austenite stainless steel STS 304 over the full strain range. The Ramberg-Osgood expression is useful up to the beyond the0.2% proof stress in the ultimate state. The Rasmussen curve has developed for stresses beyond 0.2% proof stress, based on the Ramberg-Osgood concept. These expressed curves don't good agree with the test results. It is here proposed the based on the analysis of the test results better curve.