Heating process method of forge piece steel ingot

The invention provides a forging steel ingot heating process method which comprises the following steps: S1, placing a forging steel ingot in a heating furnace, firstly heating to 900-930 DEG C, preserving heat, then cooling to 620-650 DEG C along with the furnace, preserving heat, discharging from...

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Bibliographische Detailangaben
Hauptverfasser:	LI BAIJIN, WANG LI, YU YIFENG, YE JUNFANG, SHI ZHIKANG, SHAO JIANWEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS FORGE FURNACES FORGING GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS HAMMERING MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PRESSING METAL PUNCHING METAL RIVETING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The invention provides a forging steel ingot heating process method which comprises the following steps: S1, placing a forging steel ingot in a heating furnace, firstly heating to 900-930 DEG C, preserving heat, then cooling to 620-650 DEG C along with the furnace, preserving heat, discharging from the furnace, performing fog cooling to 220-260 DEG C, and then performing air cooling to room temperature; s2, the forge piece steel ingot obtained in the step S1 is placed in a heating furnace, the forge piece steel ingot is firstly heated to 860-900 DEG C and subjected to heat preservation, then heated to 940-970 DEG C and subjected to heat preservation, then cooled to 880-900 DEG C along with the furnace and subjected to heat preservation, and the forge piece steel ingot is discharged from the furnace and subjected to water quenching to the room temperature; and then, placing in a heating furnace, heating to 600-620 DEG C, preserving heat, discharging from the furnace, and air-cooling to room temperature. The ob