Blind Flange And Wn Flanges Mill Test Certifie. FOB Reference Price: Get Latest Price Mill Test Certifie as per EN 10204 Duplex Stainless Steel Duplex Stainless Steel High Hub Blind Flanges Duplex SS High Hub Blind Flanges Carbon Steel High Hub Blind Flanges CS High Hub Blind Flanges Welding neck flange bores according ASMEANSI Pipe .