1) Stainless steel flange 2) Standard: ASME, ANSI, API, JIS, DIN, UNI, BS 3) Material: 316L, 316Ti, 304L, 321, 321H, Rst37.2 stainless\corrosion\work precision we can also produce as per user's special requirement. 1) Stainless steel flange2) Standard: ASME, ANSI, API, JIS, DIN, UNI, BS3) Material: 316L, 316Ti, 304L, 321, 321H, Rst37.2, C22.8 4) Production with anneal solution for stainless ...