Y tube/ Y Type Tube/CONNECTION TUBE Y Standard:ASME,DIN,GB Material:alloy Size:Standard or Non Certification:ISO9001:2008 Y tube/ Y Type Tube/CONNECTION TUBE Y 1.Standard:ASME A608;DIN,HG/T 2601-2000;HG/T 3673-2000;GB 13296-20072.Material:KHR35C, ZG40Cr20Ni32Nb3.Size:Dia.152X6.9-L12150,DIA.154X8-L12192,4.Process:centrifugal casting5.Quality:appearance of smooth,can work under presure for long ...