Steelworkers are professionals who deal with the manufacturing and processing of steel. There are several synonyms for the word "steelworkers." One such term is metalworker, which refers to any professional who works with metal. Another equivalent term could be ironworker, as iron is another commonly used material in the steel manufacturing process. Additionally, welder can be a synonym for steelworker, as welding is often used to join pieces of steel together. Fabricator, blacksmith, and sheet metal worker can also be used as synonyms for steelworkers, depending on the specific job duties and tasks. Overall, there are several ways to refer to individuals who work in the steel industry, each with its own unique connotations.