PRODUCTION OF LOW-CARBON ALUMINUM KILLED STEEL SHEET

摘要

PURPOSE:To produce a low-carbon aluminum killed cold-rolled steel sheet having a good surface characteristic by casting a billet having a specific thickness in the specific solidifying time down to the central part and using the same as a blank material for rolling. CONSTITUTION:A billet having <=60mm. thickness is cast within 2min of solidifying time down to the central part and such thin billet is used as a blank material for rolling. The low-carbon aluminum killed cold-rolled steel sheet having an excellent surface characteristic is thus produced with decreased man-hour and improved efficiency at a low cost.