PRECIPITATION HARDENED HEAT-RESISTANT STEEL

The present invention relates to a precipitation hardened heat-resistant steel containing, in terms of % by mass: 0.005 to 0.2% of C, not more than 2% of Si, 1.6 to 5% of Mn, 15% or more and less than 20% of Ni, 10 to 20% of Cr, more than 2% and up to 4% of Ti, 0.1 to 2% of Al, and 0.001 to 0.02% of...

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Bibliographische Detailangaben
Hauptverfasser:	KAMIYA NAOHIDE, IMAIZUMI KAORU
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BLASTING CHEMISTRY DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS HEAT EXCHANGE IN GENERAL HEATING LIGHTING MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	The present invention relates to a precipitation hardened heat-resistant steel containing, in terms of % by mass: 0.005 to 0.2% of C, not more than 2% of Si, 1.6 to 5% of Mn, 15% or more and less than 20% of Ni, 10 to 20% of Cr, more than 2% and up to 4% of Ti, 0.1 to 2% of Al, and 0.001 to 0.02% of B, with the balance being Fe and inevitable impurities, in which a ratio (Ni/Mn) of an amount of Ni to an amount of Mn is 3 to 10, a total amount of Ni and Mn (Ni+Mn) is 18% or more and less than 25%, and a ratio (Ti/Al) of an amount of Ti to an amount of Al is 2 to 20.