Low-carbon steel thermal treatment technology

The invention discloses a low-carbon steel thermal treatment technology and relates to the technical field of thermal treatment. The low-carbon steel thermal treatment technology includes the following steps that S10, a low-carbon steel material is smelted and cast into a first steel ingot, and the...

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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 low-carbon steel thermal treatment technology and relates to the technical field of thermal treatment. The low-carbon steel thermal treatment technology includes the following steps that S10, a low-carbon steel material is smelted and cast into a first steel ingot, and the first steel ingot is heated to 750 DEG C to 800 DEG C; S20, the first steel ingot is put into a high-temperature smelting furnace, heat is preserved for 2 to 4 hours under the temperature between 820 DEG C and 880 DEG C, and a second steel ingot is obtained; S30, the temperature of the high-temperature smelting furnace is increased to 950 DEG C to 1000 DEG C, at the temperature, heat of the second steel ingot is preserved for 2 to 4 hours, and a third steel ingot is obtained; and S40, the temperature of the high-temperature smelting furnace is increased to 1100 DEG C to 1240 DEG C, heat of the third steel ingot is preserved for 5 to 8 hours, at the temperature, the third steel ingot is forged multiple times, and fi