1.Special Flanges,carbon flange,steel flange,forged flange 2.Material:stainless steel 3.Standard:ANSI,ASTM,JIS (1) Flanges ... , F48, F50, F52, F56, F60, F65, F70 Stainless steel flanges ASTM A182 F304/304L, F316/316L, F316H, F310, ... Male-Female, Large Tongue & Groove, Small Tongue & Groove(5) Size: 1/2''-48''(6) Wall Thickness/Pressure Reating ... as per your request ANSI B16.5 Stainless Steel Blind flange