Standard: DIN, ANSI, BS,JIS 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 ... , Socket Welding Flanges, Blind Flanges, Other Flanges ANSI B16.5 Plate-type flat welding flange