90 degree bend Specialized in concrete pump parts and spare parts,like delivery pipe,elbow,coupling,fitting schwing,PM, 90 degree bendThis is the brief ... . 2. elbow/bend and reducer elbowmaterial:Hi-Mn13,20#steel,st52,etcsize:DN 125mm or DN 150mm (R275,R225,R315,etc)degree:90, 60 ... ,45,30,15 3. concrete pump coupling/clampmaterial:Hi-Mn13,20#steel,etcsize:from 2 to 6inch ...