Koinov T.Kihara J.2024-07-102024-07-102024-07-102024-07-101986-01-010021-158310.2355/isijinternational1966.26.895SCOPUS_ID:0022867642https://rlib.uctm.edu/handle/123456789/50The authors propose an economic-mathematical model in which production cost is a function of technological parameters such as threading speed, thickness of transfer bar and extraction temperature from a reheating furnace. The optimization of these parameters is performed for a hot strip mill in Bulgaria and Japan. With use of the code, a new rolling schedule in which the transfer bar thickness decreased with length of strip reduced production cost and improved gage accuracy.enArticle