STEEL MATERIAL, AND COMPONENT FOR VACUUM CARBURIZATION MACHINE STRUCTURE

To provide a steel material reducing a heat-treatment strain at carburization hardening.SOLUTION: A steel material includes, by mass%, 0.10 to 0.30% C, 0.82 to 1.40% Si, 0.91 to 2.00% Mn, 0.015% or less P, 0.025% or less S, 0.13 to 0.40% Cr, 0.005 to 0.100% Al, 0.0020 to 0.0300% N, 0.0015% or less O...

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Bibliographische Detailangaben
Hauptverfasser:	NEISHI YUTAKA, TAKASAKI DAISUKE, SUKETANI MASAHITO, KIMURA YUTA
Format:	Patent
Sprache:	eng ; jpn
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:	To provide a steel material reducing a heat-treatment strain at carburization hardening.SOLUTION: A steel material includes, by mass%, 0.10 to 0.30% C, 0.82 to 1.40% Si, 0.91 to 2.00% Mn, 0.015% or less P, 0.025% or less S, 0.13 to 0.40% Cr, 0.005 to 0.100% Al, 0.0020 to 0.0300% N, 0.0015% or less O, and a balance Fe with impurities, and satisfies expressions (1A) and (2): 66.0