Research on the Steel Scrap Utilization Status in The United States,Japan and China

The discussion is focused on the relationship between the changing situation of each steel production and the utilization and development of steel scrap by data analysis on the longterm crude steel in histroy and the social purchase steel scrap quantity in those countries as the United States,Japan and China.The advanatges and disadvantages can be found in the utilization of steel scrap in the comparison of China with those developing countires by the method that analyzes the adequacy degree and use level of steel scrap in those three countires by such indexes as its net exports,index and unit consumption with the comparative analysis of the difference in the steel scrap unitlization by those three countires.