Stationary concrete pump delivery pipe performance comprehensive description Name :Stationary concrete pump seamless delivery pipe Specification : DN125×4.0mm×3000mm Pipe outer diameter :133.2mm Material :ST52 Weight :38.2kg Geometric dimension tolerance : 3000±1.5mm Pressure :130bar Weld tensile strength : ≥410MPa Surface coating :Ordinary air-dry paint Use:Stationary concrete pump