Schwing Concrete Pump Harden Pipe SK FlangeMaterial:ST52, 45Mn2, 20#,Q235 Brand: Schwing, PM, ... , and so on 2. We have been supplying concrete pump parts for SCHWING, PUTZMEISTER, SANY, CIFA, KYOKUTO, ZOOMLION ... the quality and best price.3. Concrete Pump Pipe Specification TypeDNThickness(mm)Length(mm)Weld-on EndsApplicable ... 010006inch HD/ZX-6inch F/MOthers Schwing Concrete Pump Harden Pipe SK Flange