SECTION IRON MADE OF LOW-CARBON CHROME-BEARING STEEL FOR COLD EXTRUSION

FIELD: metallurgy. ^ SUBSTANCE: invention concerns metallurgy field. Particularly it concerns production pf section iron of diameter 20-50 mm for manufacturing piston pins by method of cold extrusion. For providing of rational conditions for piston pins upset forging at simultaneous increasing of pr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FOMIN VJACHESLAV IVANOVICH, BOBYLEV MIKHAIL VIKTOROVICH, SHLJAKHOV NIKOLAJ ALEKSANDROVICH, GONTARUK EVGENIJ IVANOVICH, LEKHTMAN ANATOLIJ ADOL'FOVICH
Format:	Patent
Sprache:	eng ; rus
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:	FIELD: metallurgy. ^ SUBSTANCE: invention concerns metallurgy field. Particularly it concerns production pf section iron of diameter 20-50 mm for manufacturing piston pins by method of cold extrusion. For providing of rational conditions for piston pins upset forging at simultaneous increasing of processing plasticity and low level of strain hardening section iron is received from steel, containing wt %: C 0.12-0.18, Mn 0.40-0.60, Si 0.15-0.25, Cr 0.70-1.15, N 0.005-0.010, S 0.005-0.035, O2 0.001-0.010, As 0.0001-0.03, Sn 0.0001-0.02, Pb 0.0001-0.01, Zn 0.0001-0.005, iron and admixtures at ratios: As+Sn+Pb+5xZn