About DAIGO Ichiro
About Graduate School of Engineering, The Univ. of Tokyo
About GOTO Yoshikazu
About Graduate School of Engineering, The Univ. of Tokyo
About ISIJ International (Iron and Steel Institute of Japan)
About bar steel
About scrap
About chemical composition
About alloying element
About Japan
About People's Republic of China
About tramp element
About Iron and steel materials
About 日本
About 中国
About 棒鋼
About 不純物