{"id":47415,"date":"2024-07-22T09:45:42","date_gmt":"2024-07-22T07:45:42","guid":{"rendered":"https:\/\/www.bonomiacciai.it\/metallurgia-secondaria-processi-di-produzione-dellacciaio-speciale\/"},"modified":"2025-05-22T13:17:49","modified_gmt":"2025-05-22T11:17:49","slug":"special-steel-production-processes-secondary-metallurgy","status":"publish","type":"post","link":"https:\/\/www.bonomiacciai.it\/en\/special-steel-production-processes-secondary-metallurgy\/","title":{"rendered":"Special Steel Production Processes: Secondary Metallurgy"},"content":{"rendered":"
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Producing high-quality special steel<\/strong> demands a series of sophisticated and controlled steps, with the secondary metallurgy<\/strong> phases being particularly crucial. These processes are vital for refining the chemical composition and purity of the molten steel, ensuring the final material meets the stringent technical specifications required.<\/p><\/blockquote>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n[\/vc_column_text][vc_empty_space height=”16px”][vc_single_image image=”44665″][\/vc_column][\/vc_row][vc_row][vc_column]

<\/div>[\/vc_column][\/vc_row][vc_row][vc_column width=”1\/2″][vc_custom_heading text=”Special Steel Production Processes: Refining in the VID Plant” use_theme_fonts=”yes”][vc_empty_space height=”16px”][vc_column_text]The molten steel, once in the ladle, first undergoes refining in the Vacuum Induction Degassing (VID) plant. This vacuum-equipped facility is designed to degas the liquid bath, removing impurities and undesirable elements present in gaseous form. To speed up the degassing process, an inert gas, typically Argon, is blown in from the bottom of the ladle.[\/vc_column_text][\/vc_column][vc_column width=”1\/2″]
\"\"<\/div><\/figure>[\/vc_column][\/vc_row][vc_row][vc_column][vc_custom_heading text=”Maintaining Temperature During the Process” use_theme_fonts=”yes”][vc_empty_space height=”16px”][vc_column_text]During the degassing process, it’s crucial that the metal remains in a liquid state. Therefore, it’s continuously kept above typical melting temperatures to ensure the refining process occurs correctly.[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_custom_heading text=”Refining in VOD for Carbon Reduction” use_theme_fonts=”yes”][vc_empty_space height=”16px”][vc_column_text]\n
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Following the initial refining in the VID plant, the ladle is then transferred to a second vacuum refining facility called Vacuum Oxygen Decarburization (VOD)<\/strong>. The primary goal of this process is to reduce and precisely control the carbon content<\/strong> in the steel by consuming it through the blowing of oxygen<\/strong>. Throughout this step, it is also essential to keep the steel in its liquid state.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_custom_heading text=”Special Steel Production Processes \u2013 Secondary Metallurgy: Conclusion.” use_theme_fonts=”yes”][vc_column_text]Secondary metallurgy is an essential phase in the production of high-quality special steel<\/strong> as it allows for a material of high purity and optimized chemical composition. At Deutsche Edelstahlwerke (DEW) steelworks, which we represent, these processes are carried out with the utmost precision to guarantee a final product of excellence. Follow our blog for further insights into advanced special steel production techniques.[\/vc_column_text][vc_empty_space][\/vc_column][\/vc_row][vc_row][vc_column]

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