阿姆科公司投资1.3亿美元对曼斯菲尔德厂分两期进行现代化改造。第一期,新建一套单流的Conroll型薄一中板坯连铸机,将原来的铸锭工艺改为连铸,投资1亿美元,形成年产77.5万吨的生产能力。第二期,集中改造炼钢和热轧带钢车间,包括通过增加电炉的功率使原来2座电炉的年产能力从80万吨提高到120万吨,改造步进式加热炉和带 Amcor invested 130 million U.S. dollars to modernize Mansfield Plant in two phases. In the first phase, a new single-stream Conroll thin-slab continuous casting machine was newly built. The original ingot casting process was changed to continuous casting with an investment of 100 million U.S. dollars to produce an annual output of 775,000 tons. The second phase focused on the transformation of the steel-making and hot-rolled steel strip plant, including increasing the annual capacity of the two original electric furnaces from 800,000 tons to 1,200,000 tons by increasing the power of the electric furnace, and renovating the stepping furnace and belt