首页> 美国政府科技报告 >Mathematical Modelling of Raw Materials and Energy Needs of the Iron and Steel Industry in the U.S.A.-Phase II. Metallic Supply for Steelmaking - A Dynamic System.
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Mathematical Modelling of Raw Materials and Energy Needs of the Iron and Steel Industry in the U.S.A.-Phase II. Metallic Supply for Steelmaking - A Dynamic System.

机译:美国钢铁工业原料和能源需求的数学模型 - 第二阶段。炼钢用金属供应 - 动态系统。

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摘要

Six major trends that have had and are continuing to have major effects on the use and supplies of pig iron and scrap in the United States are (a) gradual replacement of the basic open hearth furnace (OH) by the basic oxygen furnace (BOF); (b) use of the electric furnaces for the production of plain-carbon steels, a trend which is closely related to the first; (c) United States changing from being a net exporter to a net importer of steel; (d) replacement of ingot casting by strand casting; (e) increased exportation of scrap;and (f) the lack of growth of the capacity of the U.S. steel industry to produce pig iron in the last 5to 8years. This report gives an analysis of the relationships between these trends and the use of processes for the production of raw steel in solidified form.

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