EXTRA HIGH PURITY SHAFT MATERIAL FOR TURBINE ROTOR

PURPOSE:To obtain an easily forgeable extra high purity shaft material for a turbine rotor by specifying a compsn. consisting of C, Ni, Cr, Mo, V, Mn, REM, Ga, Nb, Ta and Fe and by regulating the amts. of Si, P and S among the impurities in the compsn. CONSTITUTION:This extra high purity shaft mater...

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Bibliographische Detailangaben
Hauptverfasser: ITAGAKI JUNJI, TAKENOUCHI TOMOO, IWANAMI YOSHIYUKI
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE:To obtain an easily forgeable extra high purity shaft material for a turbine rotor by specifying a compsn. consisting of C, Ni, Cr, Mo, V, Mn, REM, Ga, Nb, Ta and Fe and by regulating the amts. of Si, P and S among the impurities in the compsn. CONSTITUTION:This extra high purity shaft material for a turbine rotor consists of, by weight,