About UESUGI T
About Sanyo Special Steel Co. Ltd., Himeji, JPN
About TSUBOTA K
About Sanyo Special Steel Co. Ltd., Himeji, JPN
About ASTM Special Technical Publication (American Society for Testing and Materials)
About bearing steel
About Mechanical properties
About Steelmaking
About アーク電気炉
About とりべ炉
About Rh
About 脱ガス
About 垂直型
About 連鋳機
About 炭素
About クロム
About 軸受鋼