Ironmaking Technologies Contributed to Steel Industry of the 21~(st) Century

摘要

The 20~(th) century witnessed the competitive edge of NKK's ironmaking sector which took the Initiative in developing innovative technologies and in fulfilling social requirements. Noteworthy are the extended utilization of various raw materials, the improved productivity and the decreased energy consumption. These technologies are now successfully applied to environmental businesses. The 21~(st) century, in which diversified R&D needs are lying, will see the further pursuit of technological breakthrough.