Thermal treatment technology for refined structure of medium-carbon steel

The invention discloses a thermal treatment technology for a refined structure of medium-carbon steel and relates to the technical field of thermal treatment. The thermal treatment technology for therefined structure of the medium-carbon steel comprises the following steps that S10, the medium-carbo...

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Bibliographische Detailangaben
Hauptverfasser:	WAN NONG, CHEN JIBING
Format:	Patent
Sprache:	chi ; eng
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:	The invention discloses a thermal treatment technology for a refined structure of medium-carbon steel and relates to the technical field of thermal treatment. The thermal treatment technology for therefined structure of the medium-carbon steel comprises the following steps that S10, the medium-carbon steel material is heated to 780-810 DEG C, and heat preservation is performed for 2-4 hours; S20,the medium-carbon steel material treated in S10 is forged multiple times; S30, the medium-carbon steel material treated in S20 is cooled to 730-760 DEG C, and heat preservation is performed for 2-4 hours; S40, the medium-carbon steel material treated in S30 is forged multiple times: S50, the medium-carbon steel material treated in S40 is annealed to 540-570 DEG C and finally cooled. During forging treatment, heading is performed in the first direction, and flattening is performed in the second direction. The thermal treatment technology for the refined structure of the medium-carbon steel isadopted for performing heat