... 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 ... for stainless performance6) Special design availableOuter packing:Seaworthy plywood case pipe flange