A789 S31803 da AN S32205 Tushewar Tushewar
Mafi Girma Chromium, Molybdenum da ke haifar da haifar da juriya daidai da lambar Austenitic da Duplex bakin ruwa mai mahimmanci a sama kusan 50¡aya.
Alloy 2205 Samun sunan Duplex saboda yana ƙunshe nau'ikan hatsi guda biyu daban-daban. 40-50% na tsarin hatsi shine ausenite da 50-60% na shi ne ferrite. Yana da alaƙa da ƙarfi, amma mafi mashahuri fiye da Allioy 255. A cikin yawancin mahalli, ya wuce cikin lalata juriya. 2205 Duplex Excells a cikin muhalli chloride kuma ya sake gyara sulfiyar hydrogen. 2205 Dupex ya kusan ninka ƙarfin 316l. Saboda ƙananan nickel da abun ciki na Molybdenum, ba shi da tsada fiye da Allive C276. Daga cikin wuraren da aka yi amfani da Duplex ya haɗa da matsin lamba, masu musayar zafi da tsarin shafa.