Standard: DIN, ANSI, BS,JIS Size: DN15(1/2") to DN5000(200 ... ,316,316L,carbon steel 1, Standard: ANSI, DIN, JIS, BS2, Size: DN15(1/2") to DN5000(200") ... 0, JIS 5K-30K7, Type: Welding Neck Flanges, Slip-On Flanges, Lap Joint Flanges, Threaded Flanges, Socket Welding Flanges ... , Blind Flanges, Other Flanges JIS standard SUS 304 flat welding flange