About KANNO TOSHITAKE
About 木村鋳造所
About nodular graphite cast iron
About gray cast iron
About hardenability
About press die
About alloying element
About alloy cast iron
About cast steel
About chemical composition
About ferrite structure
About pearlite
About notch
About fatigue strength
About die material
About Iron and steel materials
About ニーズ
About 金型材料
About 金型
About 球状黒鉛鋳鉄
About 応用