Pipes and tubes are common words that are heard daily with most people using the term steel pipe and steel tube interchangeably. However, these two terms are a way different, not just in nomenclature and sizing but also in applications. So, here’s the summary of the difference between Steel tubes and Steel Pipes. Shape: Steel Pipes refer to long, pressure tight circular hollow sections used for transmission of gases or fluids such as oil & gas, propane, steam, acids, and water. Steel