HIGH FORMABILITY DUAL PHASE STEEL

To improve the formability of dual phase steels, the marten site phase is tempered. It may form a ferrite-carbide structure. The tempering step occurs after marten site has been formed in the dual phase steel. The tempering step can occur in a box annealing step or it can be performed in a continuou...

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Bibliographische Detailangaben
Hauptverfasser:	COMSTOCK, Robert, J, PARASKOS, George, A
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:	To improve the formability of dual phase steels, the marten site phase is tempered. It may form a ferrite-carbide structure. The tempering step occurs after marten site has been formed in the dual phase steel. The tempering step can occur in a box annealing step or it can be performed in a continuous fashion, such as on a continuous annealing, continuous tempering heat treating, or continuous coating line. The tempering step can further comprise a temper rolling on a temper mill after the heating step.