About HAYASHI TOORU
About 金材技研
About MITSUI TATSURO
About 金材技研
About NAGAI KOTOBU
About 金材技研
About 超鉄鋼ワークショップ
About warm working
About 溝ロール圧延
About Transformation structures,work structures
About Mechanical properties
About ロール圧延
About 超微細
About フェライト粒
About 低炭素鋼
About 棒材
About 創製