Prefabricated components can be used as working lining refractories for tundishes in steel plants. This dataset includes major raw and auxiliary materials and energy consumed during production, but excludes infrastructure such as production equipment and factory buildings. The life cycle inventory is compiled from data sourced from multiple references; the production activities of this prefabricated component include raw material procurement, batching, mixing, forming, drying, sintering, quality inspection, packaging, and other processes.