This paper has theoretically studied the effect of blowing Ar into molds on improving killed steel ingot quality.
本文从理论上分析了采用锭模吹氩对提高镇静钢质量的作用。
A variety of protective casting process have been developed for decreasing defect on killed steel bloom sur-face.
为了减少镇静钢钢锭(坯)表面缺陷，出现了各种类型的保护浇铸技术。
Both of the coatings have not apparent desulphurization effect either for Al-killed steel or for Si-killed steel.
两种涂料对铝镇静钢和硅镇静钢均没有明显的脱硫作用。
Three patterns of deoxidation and controlling methods of deoxidation products for Si-killed steel, Si&Al-killed steel and Al-killed steel are introduced.
介绍了硅镇静钢、硅铝镇静钢、铝镇静钢三种脱氧模式及脱氧产物的控制方法。
The article briefly described measurement and examination on the on. line fast prediction of acid soluble Al in the Al-killed steel using a home made direct O_2 determinator.
本文简介在鞍钢第三炼钢厂转炉上，采用国产直接定氧仪器，在线快速预报铝镇静钢中酸溶铝的测定试验。
Officials at the Puyang Iron and Steel factory in Hebei province initially said Monday's gas leak killed seven.
河北省普阳钢铁公司的官员最初说，星期一的煤气洩漏导致七人死亡。
High cleanliness is required for low carbon aluminum killed (LCAK for short) steel which is widely used for production of cold rolled sheet.
低碳铝镇静钢(LCAK)常用于生产冷轧板，要求铸坯有高的洁净度。
The technological process of the Al killed cold heading steel SWRCH18A in the No.
以SWRCH18A钢为例介绍了湘钢二炼钢厂含铝冷镦钢的生产工艺。
The technological process of the Al killed cold heading steel SWRCH18A in the No.
以SWRCH18A钢为例介绍了湘钢二炼钢厂含铝冷镦钢的生产工艺。
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