ʻO nā kiʻinaʻo Duplex Gucinless e loaʻa i nā mea e kū nei i ka corrosioys kiʻekiʻe, maikaʻi maikaʻi a me ka paʻakikī. ʻO ia kahi hui o Austetitic a me Ferritic Alloys,ʻo ia ke kumu e hōʻike aiʻo ia i nā mea kanu ferritic a me Austevitic. ʻOi aku ka paʻakikī o ka paʻakikī o Dulex ma mua o nā mea kila Ferritic ma mua o nā mea kanu manu, aʻoi aku ka nui o ka ikaika ma mua o nā meaʻala austetetical.