... .standard: BS4504 ISO ANSI DIN GB JIS ASME 1) ANSI B16.5, ASME B16.47 FLANGESize range: 1/2" to ... neck flange: STD, SCH40, SCH80, SCH160. SCHXXSMaterial: carbon steel A105, stainless steel 304/304L, 316/316LCoating: black paint, yellow transparent paint ... , 2K, 5K, 10K, 16K, 20K, 30K, 40KMaterial: carbon steel SS400, stainless steel SUS304, SUS316Coating : rust-proof oil, cold and hot galvanizePacking ...