... 2ASME/ANSI,DIN,JIS 3CCS or BVcertificates 4Durability,advanced technologyMaterial: carbon steel: A234 WPB, Q235, A105, alloy steel:API5L X60,X70 ... 2605/2615/2616/2617,.JIS B2311/2312/2313, EN10253,API Spec 5CT API Spec 5LASTM A106B/A53B/A179/A192/A200/A210A1/A210C ... . STD, SCH40, SCH60, XS, SCH80, SCH100, SCH120, SCH160, XXS .Type: carbon steel flange, alloy steel flange, high pressure flange, slip on ...