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用转炉吹炼超低碳钢的工艺为了改善汽车用钢板的加工性能，要尽可能地降低钢材中的含碳量。然而，一般转炉吹炼只能把钢水中的含碳量降低到０．０４％左右，要使含碳量进一步降低，需采用炉外精炼设备，但这样会使炼钢成本增加。日本新日铁公司研究出一种方便和廉价的用转...
Converter with the process of blowing ultra-low carbon steel In order to improve the processing performance of automotive steel, as much as possible to reduce the carbon content of steel. However, the converter blowing only can reduce the carbon content in the molten steel to about 0.04%. To further reduce the carbon content, it is necessary to use the furnace refining equipment, but this will increase the cost of steelmaking. Japan’s Nippon Steel Corporation developed a convenient and cheap ...