... Size: DN15(1/2") to DN5000(200") Material: Stainless steel 304,316,316L,carbon steel 1, Standard: ANSI, DIN, JIS, BS2 ... , Size: DN15(1/2") to DN5000(200")3, Material: 304, 304L, 316, 316L, carbon steel or other material on request ... , Socket Welding Flanges, Blind Flanges, Other Flanges JIS standard SUS 304 flat welding flange