METHOD FOR THERMAL PROCESSING (IMPROVEMENT) OF COMPOSITE ROLLER BAND

FIELD: manufacture of composite roller bands for continuous casting machine. ^ SUBSTANCE: method involves first step including heating band to temperature of 580-620 C and holding at such temperature for 0.8-1.2 hours, and second step including heating band to hardening temperature of 930-980 C and...

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Bibliographische Detailangaben
Hauptverfasser:	PIMENOV A.F, ANDROSOV N.V, TRAJNO A.I, GUBIN S.JU, KORYSHEV A.N
Format:	Patent
Sprache:	eng ; rus
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 composite roller bands for continuous casting machine. ^ SUBSTANCE: method involves first step including heating band to temperature of 580-620 C and holding at such temperature for 0.8-1.2 hours, and second step including heating band to hardening temperature of 930-980 C and holding at such temperature for 2.4-2.6 hours; providing tempering by heating to temperature of 660-720 C and holding at such temperature for 4-6 hours. ^ EFFECT: increased resistance of band to thermal abrasion and improved quality of cast blank surfaces. ^ 1 tbl, 4 ex