... Commodity: Concrete pump pipes Type : elbow pipeCeramic lining Concrete pump pipes is used in Concrete pump truck which pump concrete to cast ... .3. Our elbow pipe can be used to pump 100,000 m3 concrete max, we guarantee for ... Other pipes like Al2O3 , can only used to pump 20,000-40,000 m3 concrete. ItemAl2O3B4CDensity3.5g/cm32 ... of thermal expansion7.2x1064.5x106 Concrete pump pipes Type :elbow pipe