ST52 Concrete Pump Placement Pipe with SK Flange Material:ST52, 45Mn2, 20 ... , Sany,4.5148mmSchwing,Putzmeister, CIFA, Kyokuto, Sany,7.0148mmSchwing,Putzmeister, CIFA, Kyokuto, Sany,Harden Pipe1254.5148mmChrome ... Carbide insertSchwing,Putzmeister, CIFA, Kyokuto, Sany,7.0148mmChrome Carbide insertSchwing,Putzmeister, CIFA, Kyokuto, SanyZX- ... ST52 Concrete Pump Placement Pipe with SK Flange