We are offering flanges. 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 24º cone, cetop series : 3000 & 6000 size : 1/2” nb to 6” nb & also in metric tube material : steel, stainless steel, surface treatment : steel – zinc coated (a3c) or phospatised stainless steel – natural