Development of B-Nb micro-alloyed medium carbon steels with high ductility for severe wiredrawing

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In the course of processing high-carbon steel, an intermediate patenting treatment is necessary to meet requirements for mechanical properties, but it is expensive and time consuming. It is possible to remove the intermediate patenting treatment by using a medium carbon grade with micro-alloying elements which permit improved ductility. This paper deals with the methodology used to develop such steel grades: metallurgical study, phase transformation, simulation laboratory trials, and processing trials.

Description

In the course of processing high-carbon steel, an intermediate patenting treatment is necessary to meet requirements for mechanical properties, but it is expensive and time consuming. It is possible to remove the intermediate patenting treatment by using a medium carbon grade with micro-alloying elements which permit improved ductility. This paper deals with the methodology used to develop such steel grades: metallurgical study, phase transformation, simulation laboratory trials, and processing trials.

Additional information

Author(s)

Mario Confente and André Lefort, Mittal Steel Europe R & D, France; and Michael Klemm, Mittal Steel Hamburg, Germany.

Publication/Event/Pages

Paper presented at the ITC for Wire & Cable Professionals, Prague, Czech Republic, October 2005. Published in WJI, January 2007, pp. 96-100.

Year

2005