СТРУКТУРА І ВЛАСТИВОСТІ ТОНКОЛИСТОВОЇ СТАЛІ 08ПС ПІСЛЯ ДРЕСИРУВАННЯ
DOI:
https://doi.org/10.34185/1991-7848.itmm.2022.01.011Ключові слова:
low-carbon steel, hot-rolled sheet steel, skin-rolling, mechanical properties, plasticityАнотація
The requirements of standards for quality indicators of rolled products are increasing. Relevant is the saving of operating costs in the manufacture of a thin sheet. Skin rolling is one of the key operations in the technological process of production of hot-rolled sheets for cold stamping. In order to improve the quality of thin-sheet rolled products, it is important to develop an effective skin rolling technology. In this work, the structure and properties of hot-rolled thin-sheet low-carbon steel 08пс after skin pass at a separately located mill are studied. It is shown that as a result of processing, the plasticity of the metal increases and a uniform structure is formed over the sheet section. It has been established that hot-rolled sheet metal in terms of quality meets the requirements for cold-rolled products in accordance with ДСТУ 2834-94. It is possible to replace an expensive cold-rolled sheet with a cheaper, but of the same quality, hot-rolled sheet. As a result, an increase in labor productivity, a decrease in the metal consumption coefficient, and savings in electricity and natural gas are achieved.
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