The manufacturing process of silicon steel can significantly affect its thermal conductivity. During the production, various factors such as the type and amount of alloying elements, the grain size and orientation, and the presence of impurities can all influence the thermal conductivity of silicon steel. For instance, higher levels of silicon content generally increase the thermal conductivity of the steel, while the presence of impurities or larger grain sizes can reduce it. Additionally, the manufacturing process can also impact the overall microstructure of the steel, which in turn affects its thermal conductivity. Therefore, careful control and optimization of the manufacturing process are crucial in achieving desired thermal conductivity properties in silicon steel.