NI-BASED SUPERALLOY FOR HOT FORGING

The present invention relates to an Ni-based superalloy for hot forging, containing, in terms of % by mass, C: more than 0.001 % and less than 0.100%, Cr: 11% or more and less than 19%, Co: more than 5% and less than 25%, Fe: 0.1% or more and less than 4.0%, Mo: more than 2.0% and less than 5.0%, W:...

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Bibliographische Detailangaben
Hauptverfasser:	IZUMI, Kohki, UETA, Shigeki, OSAKI, Mototsugu
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The present invention relates to an Ni-based superalloy for hot forging, containing, in terms of % by mass, C: more than 0.001 % and less than 0.100%, Cr: 11% or more and less than 19%, Co: more than 5% and less than 25%, Fe: 0.1% or more and less than 4.0%, Mo: more than 2.0% and less than 5.0%, W: more than 1.0% and less than 5.0%, Nb: 0.3% or more and less than 4.0%, Al: more than 3.0% and less than 5.0%, Ti: more than 1.0% and less than 3.0%, and Ta: 0.01 % or more and less than 2.0%, with the balance being unavoidable impurities and Ni, in which the component composition satisfies the following two relationships: 3.5 ¤ ([Ti]+[Nb]+[Ta])/[Al]×10 < 6.5 and 9.5 ¤ [Al]+[Ti]+[Nb]+[Ta] < 13.0.