... .Titanium Flange for Pipe connections 1).Standard: ASME/ANSI B16.5, 2).Size: 1/2''~80''(DN10~600) 3).Pressure rating ... Pipe connections Titanium flange ANSI B16.5Standard: ASME/ANSI B16.5, DIN2630~2633, BS etcMaterial: Gr1, Gr2, Gr5, Gr7, Gr9, Gr12Size ... . Wocket Welding Flange Titanium flange for pressure vessel AMSE B16.5