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根据包钢圆坯连铸机的浇铸条件，研制出一种圆坯结晶器保护渣．工业试验结果表明；研制的渣能够替代进口产品，满足圆坯φ２３０－φ3５０ｍｍ断面连铸生产工艺要求。
According to Baotou round billet casting machine casting conditions, developed a round billet mold powder. Industrial test results show that the developed slag can replace imported products to meet the round billet φ230-φ350mm cross-section continuous casting production process requirements.