The ASTM A53 GR-A Sch. 40 Black Pipe is designed for easy installation, with plastic thread protectors to ensure the thread quality. On line NDT is available for added convenience. Dimensions Actual inside diameter (in.) 1.25 Actual outside diameter (in.) 1.66 Nominal Inside Pipe Diameter (In.) 1-1/4\” Pipe Wall Thickness (In.) .140 Product Length (ft.) 10 ft Details Application Natural Gas Color Family Black Color/Finish Black Connectivity Threaded Material Steel Maximum Flow Rate (gallons per minute) 0 Maximum working pressure (psi) 1200 Maximum Working Temperature (F) 400 Minimum working temperature (F) -20 Pack Size 1 Pipe Features No Additional Features Pipe or Fitting Product Type Pipe & Tubing Product Weight (lb.) 22.8 lb