... of 62-64 4.long service life concrete pump pipe parts MaterialQ235,20#steelModelDN125,DN150,DN175,so ... onTechnicalForging, high-temperature 1200 forging and intoAppicationConnection of Concrete pump and pump truck pipelineUsed forSchwing, PM, Kyokuto, Sany, Zoomlion, ... new generation of concrete pump truck pipe flanges and wear-resisting, forgings with high-tech heat treatment technology, hardness ...