... ,Gr12 2.Standard:ASME B16.5,ANSI B16.5,DIN2630~2636 3.Flange surface: FF,FG,RJ etc. 1.Titanium flange Item nameTitanium ... flange ASME/ANSI B16.5,DIN2630~2633,BS etcMaterialGr1,Gr2,Gr5 ... the other client needs. Standard Gr2 titanium flange ASME B16.5 for machine equipments