this paper mainly introduces the research on the substitution of aluminium bar by rare earth, magnesium and silica alloy on the process of chemical capping to rimmed steel during casting.
文中主要研究稀土镁硅合金替代铝条应用于沸腾钢浇注的化学封顶工艺。
the present paper introduces production of low c and low si rimmed steel for cold rolled steel strip purpose by the killed steel process route.