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Development and introduction of rational deoxidation process and of rational pouring process of mild steel with view to quality improvement and with view to output rise of good metal

By Axenenko Valeri Alexeyevich

Abstract

There the study object is the deoxidation of mild rimming steel. The study purpose is to improve the quality of steel ingot and to rise the output of good metal. The character of recycle flows in the ingot mould during the period of deoxidizer introduction, the size-transfer conditions and the distribution conditions of it in the ingot volume have been determined. The optimum relationship between the carbon concentration and the oxygen activity in the metal during the steel pouring period has been refined. The dioxidation process of mild rimmimg non-ageing steel with activometer use has been developed and has been introduced. The method of forced mixing of deoxidizer with the metal has been developed. The deoxidation process and the pouring process of mild and non-ageing steel has been introduced at the open-furnace shop of "Zaporozhstal" Integrated Iron-and-Steel Works. The metal spoilage has been reduced 2.9 times at the first conversion, the output of goods has been risen by 0.3%Available from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio

Topics: 11F - Metallurgy, metallography, METALLURGY
Year: 1992
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Provided by: OpenGrey Repository
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