We are offering code 61 flanges, code 62 flange, class 3000 flange, class 6000 flange, iso 6162-1 flange, iso 6162-2 flange. j. J. Flange are designed to confirm to o ring groove, bolt holes and bolt pattern dimensions of either code 61 or code 62 of sae j518 and iso 6162-1 or iso 6162 2 except for those with square mounting hole pattern. type : socket weld, butt weld, split, screwed, blind, sae, sae with 24 cone, cetopseries : 3000 & 6000size : 1/2 nb to 6 nb & also in metric tubematerial : steel, stainless steel, surface treatment : steel zinc coated (a3c) or phospatisedstainless steel natural.