... 1/2"to 72" 3. Material: Carbon steel, stainless steel ANSI B16.5 Carbon Steel Flange long neck flange(1) ... flanges, DIN flanges, EN1092-1 Flanges(3) Material: Carbon steel flanges ASTM A105, ASTM A350 LF1, LF2 CL1 ... Male-Female, Large Tongue & Groove, Small Tongue & Groove(5) Size: 1''-48''(6) Wall Thickness/Pressure Reating: Sch10 ... or as per your request ANSI B16.5 Carbon Steel Flange long neck flange