Features:1) Stainless steel flange and carbon steel flange2) Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, AS 3) Material: 316L, 316Ti, 304L, 321, 321H, Rst37.2, C22.8 4) Size: 1/2" - 4"5) Production with anneal solution for stainless performan
