... steel flange and carbon steel flange 2 Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, stainless steel pipe flange Features:1 ... ) Stainless steel flange and carbon steel flange2) Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, AS 3) Material: 316L, 316Ti ...