... alumina 2.surface finish quality:1.6mm Wear resistant elbow pipe elbowDescription1) Wear resistant ceramic elbow2)Major Products: Elbow, ... Seamless pipes, Reducer, Tee, Pipe Cap, , Flange and etc...3) Varieties: SCH20,SGP, STD ... composite pipeline is the composite of the Al2O3 ceramic, silicon carbide ceramic and metallurgical steel, among which the Morse ...