Pipe, Application Air, Natural Gas, Non-Potable Water, Oil, Steam, Fitting Compatibility Schedule 40, Inside Diameter 3 1/16 in, Manufacture Location Made in USA*, Material Steel, Material Grade Grade B, Metal Pipe Construction Welded, Nominal Pipe Size 3 in, Outside Diameter 3 1/2 in, Overall Length 20 in, Pipe Weld Type Continuous Weld, Schedule Schedule 40, Side A Connection Type Threaded, Side A Gender Male, Side A Thread Type NPT, Side B Connection Type Threaded, Side B Gender Male