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조경서(Kyung-Seo Cho),이상필(Sang-pill Lee),이진경(Jin-Kyung Lee),이향준(Hyang-Jun Lee),이민원(Min-Won Lee),기동환(Dong-Hwan Ki) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.5
The present work dealt with the high temperature properties of STS 316 steels for disk or sheet materials, in order to develop the safe relief valve of oil or gas storage tank. Especially, the critical temperature difference for the strength degradation of STS 316 steels has been investigated by the high temperature thermal shock test. The flexural strength of stainless 316 steels gradually increased with the increase of thermal shock temperature, accompanying the rapid reduction at the thermal shock temperature higher than 973 K. Especially, the stainless 316 steels represented an average flexural strength of about 540 ㎫ at the thermal shock temperature of 1273 K, corresponding to about 85 % of as-received materials.