material: stainless steel,carbon steel ,alloy steel flange and dual phase steel Standard: JIS,ANSI,UNI,DIN,NF,ASME,API,JPI,AWW Features ... : 1) Stainless steel flange and carbon steel flange 2) Standard ... : ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, AS 3 ...