FERRITIC STAINLESS STEEL HAVING EXCELLENT HEAT RESISTANCE

This invention provides a ferritic stainless steel excellent in terms of both oxidation resistance and thermal fatigue resistance without adding expensive elements, such as Mo or W. Specifically, this invention provides a ferritic stainless steel, containing: C: 0.015 mass% or lower, Si: 1.0 mass% o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HIRATA, Norimasa, OTA, Hiroki, KATO, Yasushi, UJIRO, Takumi, NAKAMURA, Tetsuyuki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	This invention provides a ferritic stainless steel excellent in terms of both oxidation resistance and thermal fatigue resistance without adding expensive elements, such as Mo or W. Specifically, this invention provides a ferritic stainless steel, containing: C: 0.015 mass% or lower, Si: 1.0 mass% or lower, Mn: 1.0 mass% or lower, P: 0.04 mass% or lower, S: 0.010 mass% or lower, Cr: 16 to 23 mass% or lower, N: 0.015 mass% or lower, Nb: 0.3 to 0.65 mass%, Ti: 0.15 mass% or lower, Mo: 0.1 mass% or lower, W: 0.1 mass% or lower, Cu: 1.0 to 2.5 mass%, Al: 0.2 to 1.5 mass%, and the balance of Fe and inevitable impurities.