1.ANSI B16.5 Carbon Steel Flange long neck flange 2. Dimension: 1/2"to 72" 3. Material: Carbon steel, stainless steel ANSI B16 ... , Socket Welding Flange, Thread Flange, Screwed Flange, Lap Joint Flange(2) Flanges Standards: ANSI Flanges, BS flanges, DIN flanges, EN1092-1 ... , MSS SP75 DIN: DIN2605/2615JIS: JIS B2313 EN: EN10253-1/2, EN10253-2 (8) Usage: it is used in petroleum/ chemical industry ...