Nozzles can be used in tundishes for continuous casting in steel plants; this dataset includes main raw materials, auxiliary materials, energy inputs, and atmospheric emissions from the production process, but infrastructure such as production equipment and factory construction is not included within the system boundaries of the dataset; the life cycle inventory is compiled from data collected from multiple sources; manufacturing processes for nozzles include raw material procurement, pretreatment, ladle nozzle molding, sintering, inspection, packaging, and other steps.