... 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 ... , 316Ti, 304L, 321, 321H, Rst37.2, C22.8 etcl 4) O.D.: up to 5,000mm 5) Production with anneal solution for stainless ...