... Weld Flanges,Threaded Flanges, Lap Joint Flanges, Orifice Flanges, Figure 8 Blanks Flange, Anchoring Flange 1. ASME FlangesSTANDARD:ASME B16.5 ... GRADE:6Bar, 10Bar, 16Bar, 25Bar, 40BarMATERIAL: P245GH, C22.8, S235JRG2, ST37-2 3. EN1092-1 FlangesPRESSURE GRADE:PN2.5 ... ,PN6,PN10,PN16,PN25,PN40, PN63, PN100MATERIAL: P245GH, C22.8, S235JRG24. BS FlangesSTANDARD: BS 4504, BS3293PRESSURE GRADE:PN2.5 ...