Primary Reformer tubes 1.Standard:ASME,ANSI,ASTM 2.Material:Alloy 3.Used in fertilizer Plants Primary Reformer tubes1.Standard:ANSI,ASTM,ASME,GB2.Material:Alloy3.OD:50-1000mm,Length:<5000mm4.Process:centrifugal casting5.Quality:appearance of smooth,can work under presure for long time,advanced testing equipment to ensure thye quality,6.Packing:wrapped in bundles by steel strips or as customers' ...