About AKISUE OSAMU
About 新日本製鉄広畑製鉄所
About YAMADA TERUAKI
About 新日本製鉄広畑製鉄所
About UEDA SHIGERU
About 新日本製鉄広畑製鉄所
About TAKASHINA KIKUO
About 新日本製鉄広畑製鉄所
About wrought steel
About Heat treatment technology
About Mechanical properties
About 高張力冷延鋼板
About 材質
About 焼鈍条件