E kiʻiʻo Alloy 2205 i ka inoaʻo Duplex no ka meaʻo ia ka mea i kauʻia iʻelua mauʻano likeʻole. 40-50% o konaʻano graintite a laila he 50-60% o ia o ka ferrite. E pili kokoke ana, akāʻoi aku ka nui o nā mea hou aku ma mua o ka alloy 255. Ma ka hapa nui o nā wahi, he mau mea nui. 2205 Duplex Excel i nā wahi chlorde ma chrlode a e pale i ka sulfide hydrogen sulfide. 2205 duplex heʻeluaʻelua i ka ikaika o 316l. Ma muli o ka nickel haʻahaʻa haʻahaʻa a me nā molybdenum iʻikeʻia,ʻoi aku ka liʻiliʻi ma mua o ka alloy c276. I waena o nā wahi kahi e hoʻohanaʻia ai ka duplex a me ka duplex i nā kīʻaha kīwaha, nā mea i wela a me nā'ōnaehana scrubbing.