About WATARI KOJI
About 新日鐵住金
About IMANAMI YUTA
About JFE
About KAJINO TAKASHI
About 愛知製鋼
About INOUE KEISUKE
About 大同特殊鋼
About FUJIMATSU TAKESHI
About 山陽特殊製鋼
About EMURA SATOSHI
About IKUTA AKIHIKO
About INOUE TAKASHI
About 材料とプロセス(CD-ROM)
About structural steel
About machinability
About metal structure (microstructure)
About cutting force
About heat treatment
About machining speed
About cutting speed
About organization
About Mechanical properties
About Transformation structures,work structures
About S55C
About 被削性
About 組織
About 加工条件