METHOD FOR THERMAL PROCESSING OF ROLLED PRODUCT

FIELD: manufacture of rolled products. SUBSTANCE: method for thermal processing of rolled products, in particular, rod fittings of low-alloyed silico- manganese steels, involves cyclic water cooling of heated rolled product, with number of cycles being equal to two, at regulated cooling rate and sup...

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Hauptverfasser:	GORBANEV ARKADIJ ALEKSEEVICH, STEBLOV ANVER BORISOVICH, KURBATOV GENNADIJ ALEKSANDROVICH, TISHCHENKO VLADIMIR ANDREEVICH, FILIPPOV VADIM VLADIMIROVICH, TIMOSHPOL'SKIJ VLADIMIR ISAAKOVICH, SHEVCHENKO ALEKSANDR DANILOVICH, TIMOFEEV VIKTOR SPIRIDONOVICH, ZHUCHKOV SERGEJ MIKHAJLOVICH
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY 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
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Beschreibung
Zusammenfassung:	FIELD: manufacture of rolled products. SUBSTANCE: method for thermal processing of rolled products, in particular, rod fittings of low-alloyed silico- manganese steels, involves cyclic water cooling of heated rolled product, with number of cycles being equal to two, at regulated cooling rate and supercooling surfaces of rolled product below temperature of Mh; providing intermediate and final warming of surfaces and final cooling in air. Method is characterized in that intermediate warming is carried out up to temperature Mn+(240-250) C and final warming is carried out up to temperature Mh+(50-70) C. Cooling during first and second cycles is provided at predetermined rates. Method is used for thermal processing of rolled products in small-section, rod or wire mills. EFFECT: improved strength and plastic characteristics of rolled products and reduced production costs. 1 tbl