Title

INFLUENCE OF COLD ROLLING ON THE MECHANICAL AND TECHNOLOGICAL PROPERTIES OF AHSS STEEL GRADES

Authorship

BREUER, MICHAEL; DEGNER, MICHAEL; BADER, GERALD; BLECK, WOLFGANG; MORGANTI, FRANCISCO

BREUER, MICHAEL

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DEGNER, MICHAEL

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BADER, GERALD

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BLECK, WOLFGANG

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MORGANTI, FRANCISCO

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DOI

10.5151/1983-4764-30150

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Abstract

This report gives in the first part the metallurgical basics for the production of AHSS grades in integrated steel plants starting at the melt shop and ending at the annealing lines of the cold mill. The corresponding process and plant technologies in each production step with its specifics and rules are explained. In the second part by way of example the practical requirements for TRIP 780 steel grade are highlighted like a recipe for process control in the steel plant, hot and cold rolling mill, annealing line and finally skin pass mill. Measuring of mechanical technological properties on samples shows that the specifications according to DIN EN 10268 are fulfilled.

Keywords

Hot Strip Mill, Cold Rolling Mill, Annealing Line, Strip Temperature, Thickness Reduction

Hot Strip Mill, Cold Rolling Mill, Annealing Line, Strip Temperature, Thickness Reduction