26/11/2025
Piping & Tubing Differences :
The main differences are how they are measured, their shape, and their applications. Piping is typically round, measured by a nominal pipe size (NPS) and schedule, and is used for transporting fluids and gases in industrial settings. Tubing can be round, rectangular, square, or oval, is measured by its precise outside diameter (OD) and wall thickness (WT), and is used for applications requiring tighter tolerances, such as heat exchangers and instrument lines.