Super duplex bakin karfe kamar duplex shine gauraye microstructure na austenite da ferrite wanda ya inganta ƙarfi akan ma'aunin ƙarfe na ferritic da austenitic.Babban bambanci shine super duplex yana da molybdenum mafi girma da abun ciki na chromium wanda ke ba kayan mafi girman juriya na lalata.Super duplex yana da fa'idodi iri ɗaya kamar takwaransa - yana da ƙananan farashin samarwa idan aka kwatanta da irin wannan nau'in ferritic da austenitic kuma saboda kayan sun ƙaru da ƙarfi da ƙarfi, a yawancin lokuta wannan yana ba mai siye zaɓin maraba na siyan ƙaramin kauri ba tare da buƙatar daidaitawa akan inganci da aiki ba.

Siffofin:
1 .Babban juriya ga ramuka da lalata a cikin ruwan teku da sauran abubuwan da ke ɗauke da chloride, tare da matsanancin zafin jiki wanda ya wuce 50 ° C.
2 .Kyakkyawan ductility da ƙarfin tasiri a duka yanayi da yanayin zafi mara nauyi
3 .Babban juriya ga abrasion, yashwa da yashwar cavitation
4 .Kyakkyawan juriya ga lalatawar damuwa a cikin mahalli mai ɗauke da chloride
5 .Amincewar ASME don aikace-aikacen jirgin ruwa mai matsa lamba