Manufacturing companies are under great pressure in the current highly competitive environment. High customer demands as well as pressure from the competition are forcing companies to streamline all their processes. In this situation, it is increasingly important to optimize the company's logistics processes. The production of iron in a blast furnace is extremely demanding in terms of the large volumes of raw materials that must be continuously available. At the same time, some technological processing of these raw materials is necessary before using them. There are also other stock items that have fundamentally different consumption and volume. Iron production is also specific in terms of the continuous operation of the blast furnace itself. Therefore, it is necessary to constantly provide the required quantity of feedstock. The bulkiest raw materials in terms of quantity are iron ore, alkaline additives and blast furnace coke. Three types of material used were analyzed in the research carried out. Two types were related to the most voluminous stock items listed above. The third type of stock item is one of those that is expensive but is consumed rather irregularly - spare parts. The aim of this paper is to assess the variability in consumption for the stock items in question. Standard logistics tools from the field of stock classification methods were used for the evaluation. The research was conducted in a selected metallurgical company in the Czech Republic.Keywords: Logistics, metallurgical production, costs, process
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