... Flange: 1.Gr1,Gr2,Gr,Gr5,Gr7,Gr9 2.ASTM,BS,DIN,ANSI,ISO 3.High strength, corrosion resistance 4.SGS ... .Titanium Flange: Item nameTitanium flangeStandardASME/ANSI B16.5,DIN2630~2633,BS etcMaterialGr1,Gr2,Gr5,Gr7,Gr9,Gr12Size1/2''~80''(DN10~600 ...