Sughrue Mion, PLLC
Austenitic heat-resisting cast steel
Provided is austenitic heat-resisting cast steel that is excellent in both of the heat resistance and the machinability. Austenitic heat-resisting cast steel, includes: C: 0.1 to 0.4 mass %; Si: 0.8 to 2.5 mass %; Mn: 0.8 to 2.0 mass %; S: 0.05 to 0.30 mass %; Ni: 5 to 20 mass %; N: 0.3 mass % or less; Zr: 0.01 to 0.20 mass %; Ce: 0.01 to 0.10 mass %; one type or more of the elements selected from the following groups of (i) to (iii), at least including (i), (i) Cr: 14 to 24 mass %, (ii) Nb: 1.5 mass % or less, and (iii) Mo: 3.0 mass % or less; and Fe and inevitable impurity as a remainder.
TOYOTA JIDOSHA KABUSHIKI KAISHA KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
C C C C C C C C C C
C22C C22C C22C C22C C22C C22C C22C C22C C22C C22C
inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional
Harumi Hitomi Hirofumi Kazuaki Takumi Takashi Takamichi
Ueno Hirai Ito Nishino Hijii Maeshima Ueda