Pipe | Nominal Pipe Size 1 Inch | Schedule 40 | Thickness 0.133 Inch | Length 21 Foot | End Connection Plain End | Material Steel | Material Specification ASTM A53, Type F Grade A | Process Welded | Finish Black | Pressure Rating 700 PSI | Application Fire Sprinkler Pipe, Welding, Threading, Grooving | Weight 1.68 Pound per Foot | Applicable Standard UL, CUL, FM | RoHS Compliant | Outer Diameter 1.315 Inch | Tensile Strength 48000 PSI | Yield Strength 30000 PSI RoHS Compliant | Made in USA