... American National Standard for Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for WaterAPI 5L Line PipeASTM A252 welded steel ... pipeASTM A53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and SeamlessCJ ... ,CJ/T 3022:Q195, Q215, Q235, Q275, Q295, Q345Size:Outer Diameter: 219.1mm - 3500mm Wall Thickness: 6 mm - 28mmEnd: plain or ...