METHOD FOR PRODUCING A ULTRA HIGH STRENGTH COATED OR NOT COATED STEEL SHEET AND OBTAINED SHEET

A method for producing a cold rolled steel sheet having a tensile strength 1470 MPa and a total elongation TE 19%, the method comprising the steps of annealing at an annealing temperature AT Ac3 a non-treated steel sheet whose chemical composition contains in weight %: 0.34 % C 0.40 %, 1.50 % Mn 2.3...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GIRINA, OLGA A, PANAHI, DAMON
Format:	Patent
Sprache:	eng ; fre
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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