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Tare da isassun nickel, Austenitic Bakin Karfe, kamar nau'ikan 304 da 316, an kafa su.Manyan Bakin Karfe na Austenitic sun haɗa da Nau'in 28 Chrome da 2535, waɗanda ake amfani da su sosai wajen samar da mai & iskar gas.Yawancin Austenitic Bakin Karfe ba za'a iya magance zafi ba, duk da haka, ana iya yin aikin sanyi don cimma babban ƙarfi.Banda wannan shine Hazo Hardened Austenitic Bakin Karfe, Nau'in A286.
Bakin Karfe Duplex An kafa shi tare da ma'auni na Chromium, Nickel, da Molybdenum tsakanin na Ferritic da Austenitic Bakin Karfe, mai suna saboda ƙananan tsarin su shine cakuda Ferrite da Austenite.Wadannan allunan na iya zama sanyi aiki don samun ƙarfi mai ƙarfi, kuma ana amfani da su galibi a inda rami ko lalata ya zama matsala, kamar yanayin da ke da ruwa mai girma a cikin chlorides ko narkar da iskar oxygen.
Mafi girman alloed na wannan dangi ana kiransa Super Duplex Bakin Karfe.Baya ga Chromium, Nickel, da Molybdenum da aka samu a duk Bakin Karfe Duplex, Super Duplex Bakin Karfe na iya haɗawa da abubuwa masu haɗawa kamar Copper da Tungsten don haɓaka juriyar lalata ga takamaiman mahalli.
Alloys dauke da karin nickel fiye da Iron ana daukar Alloys na nickel Base.Wannan rukuni na gami ya haɗa da Nau'in 825, 625, da 2550, waɗanda za a iya yin aikin sanyi don cimma babban ƙarfi.Hazo Hardened Nickel Base Alloys sun haɗa da Nau'in 718 da 925.
Nickel Base Alloys an haɗa su a cikin nau'in kayan da ake magana da su azaman ƙarfe na musamman.An yi amfani da su a cikin yanayi mara kyau, waɗannan ƙarfe na musamman sun haɗa da titanium, molybdenum, zirconium, da tantalum base alloys.