Kabushiki Kaisha Toyota Jidoshokki

Mie Prefecture

Mamoru Kojima

Takao Fujikawa

Kyoichi Kinoshita

Tomohei Sugiyama

Manabu Ishikawa

Hiroyuki Isomura

Naoki Yamamoto

An austenitic cast iron including basic elements of C, Si, Cr, Ni, Mn and Cu; and the balance including Fe, inevitable impurities and/or a trace-amount modifier element, which is effective in improving a characteristic of the cast iron, in a trace amount; and structured by a base comprising an Fe alloy in which an austenite phase makes a major phase in ordinary-temperature region; wherein the basic elements fall within compositional ranges that satisfy the following conditions when the entirety of the cast iron is taken as 100% by mass: C: from 2.0 to 3.0%; Si: from 4.0 to 5.4%; Cr: from 0.8 to 2.0%; Mn: from 3.9 to 5.6%; Ni: from 17 to 22%; and Cu: from 0.9 to 1.6%.

Austenitic cast iron, austenitic-cast-iron cast product and manufacturing process for the same

Growing community of inventors

Kariya, Japan

Mamoru Kojima