... Stainless steel flange and carbon steel flange 2) Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, AS 3) Material: 316L 1) Stainless steel ... flange and carbon steel flange 2) Standard: ASME, ANSI, API, JIS ... with anneal solution for stainless performance 6) Special design available Outer packing: Seaworthy plywood case. stainless steel flange