... steel,40cr(ASTM5140) Model:DN80--DN150 Brand: Putzmeister,Schwing 5.5'' Pipe Flange Clamp (Bolt clamp) Item NoDN 125 One--Bolt ... .8kgsMaterial40crSurface TreatmentElectrostatic Powder Spraying GalvanizingPump BrandPM, Schwing, etcSize5.5 inch forged after 1050°C heat handlingproduced by high ... clamp, screw clamp, wedge clamp in different sizes 3.5″-6″longer use life, nice lookhigh quality product with ...