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据报道，美钢联准备对其在亚拉巴马州的费尔菲尔德厂无缝钢管轧机进行改造，拟投资4600方美元，将方坯连铸机改造为圆坯连铸机，新安装1套斜轧穿孔机。美钢联将改造无缝钢管轧机
It is reported that the United Steel United is preparing to transform its seamless steel tube mill in Fairfield, Alabama, to invest 4600 U.S. dollars to convert the billet caster into a round billet caster and install a new one Diagonal rolling piercing machine. United Steel will transform seamless steel pipe mill