提高高铝钢可浇性工艺技术研究
Journal of Wuhan University of Science and Technology（2013）
Abstract
为了提高高铝钢可浇性,在转炉出钢及LF精炼过程对钢包渣进行改质处理,连铸采用专用高铝钢保护渣,中间包采用塞棒吹氩+密封圈等水口防堵工艺。工艺试验结果表明,夹杂物组成可控制在12CaO·7Al2O3、3CaO·Al2O3低熔点组成区域,浇铸时长为4.5~6h时,液面状况正常,无结团,渣条较少且无硬渣条,铸坯表面质量优良,连续浇铸炉数不低于6炉。
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Key words
high-Al steel,mould flux,inclusion modification,CC castability,clogging prevention
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