Team Logo. The Illawarra Steelers were a team in the National Rugby League. They only spent one season in the national league. In 1999 they merged with the St. George Dragons to form the St. George Illawarra Dragons. Retrieved from "https://prosportsteams.fandom.com/wiki/Illawarra_Steelers?oldid=14344" Categories: Former NRL Teams Teams in New South Wales Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.