Super Duplex Unple S32760 \ / F55 flanges sun kasance daga Super Duplex aji na bakin karfe. Abubuwan da ke da ƙwayar cuta 24% na cromel, 6% na Manglybdenum, jan ƙarfe, nitrogen, silbon, phosfur. Astm A182 F55 Flani yana da ƙarfi mai ƙarfi da juriya na lalata. An yi flants karkashin Anssi Ba6.5, Anssi B16.47 da sauran ka'idojin ƙasa.