... 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, GM 1. ... and production of the new generation of concrete pump truck pipe flanges and wear-resisting, forgings with high-tech ...