About TAKAMATSU TOSHIO
About 新日本製鉄製品技研
About OTOGURO YASUO
About 新日本製鉄製品技研
About SHIOTSUKA KAZUHIDE
About 新日本製鉄製品技研
About HASHIMOTO KATSUKUNI
About 新日本製鉄製品技研
About postheating
About Weld zone
About Mechanical properties
About Cr
About Mo
About クリープ
About ぜい化
About 溶接後熱処理