Material: carbon steel, stainless steel Size: 1/2-78 inch, DN15-2000 Standard: ANSI, JIS, DIN, UNI, BS flat flangesOur flat flanges include carbon ... flanges.1), Sizes: 1/2 inch-78 inch, DN15- DN20002), Material: CS: A105, SS400, SF440, RST37.2, S235, C22.8. ... : F304, F304L, F316, F316L, 316Ti3), Standard: ANSI, JIS, DIN, BS4504, SABS1123, EN1092-1, UNI, AS21294), Types: WN, SO, BL, Plate, Thread, ...