Concrete pump pipe OD:133,140,159,168mm Thickness:4.0,4.5,7.0mm Length:3 M Material:seamless pipe/ERW pipe/cast steel pipe Concrete pump pipeThe Concrete Pump straight Pipe is the meaning of the concrete conveying pump pipeline, Having High Wear-Resistant CONCRETE PUMP PIPEUsageTrailer pump pipe , ground pumpMaterialCast Steel Pipest52,16Mn Carbon Steel Pipe such as 20#,ASTM A53SpecificationOuter ...