... and non-standard Standard: ANSI, AMSE, DIN, BS4504, EN1092-1, JIS, FPI ProductForged Welding Neck FlangePipeSize1/2" — 72 " Pressure150# , 300#, 600 ... , 16bar, 25barStandardANSI B 16.5, ANSI B16.45, JIS B2220, DIN2633, ASME , ASTM, , JIS , DIN , EN,MaterialQ235, 20#, Q345A105, ST37.0, ST35 ...