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Application filed by Jfe Steel CorpfiledCriticalJfe Steel Corp
Priority to MYPI2012005692ApriorityCriticalpatent/MY186010A/en
Publication of MY186010ApublicationCriticalpatent/MY186010A/en
In a method wherein a material having a quadrangular section that is 80 to 400 mm on one side while 80 to 600 mm on the other side and an aspect ratio of not more than 1.5 is rolled into a wire rod or a bar steel through a continuous rolling mill line (S?, S?, S?, S?) when the material is passed through a plurality of flat roll pairs (1, 1?, 2, 2?, n, n?) to conduct an area reduction process alternately from a longitudinal direction and a lateral direction in the quadrangular section, at least 70% of plural passes through the flat roll pairs are configured to have such a roll gap that an aspect ratio in a cross-section of a rolled material after each pass is not more than 1.5.
The method for producing a rolling draft by means of a combined continuous casting and rolling system, a control device for a combined continuous casting and rolling system, and a combined continuous casting and rolling system.