Bakin Karfe kalma ce ta gama gari ga dangin karafa masu jure lalata da ke ɗauke da 10.5% ko fiye da chromium.
Duk bakin karfe suna da babban juriya ga lalata. Wannan juriya ga kai hari ya faru ne saboda fim ɗin oxide mai arzikin chromium da ke faruwa a zahiri wanda aka kafa a saman ƙarfe. Ko da yake yana da bakin ciki sosai, wannan ganuwa, fim ɗin da ba a iya gani ba yana manne da ƙarfe kuma yana da kariya sosai a cikin kewayon watsa labarai masu lalata. Fim ɗin yana saurin gyara kansa a gaban iskar oxygen, kuma lalacewa ta hanyar abrasion, yankewa ko machining yana da sauri gyara.
Lokacin aikawa: Yuli-15-2020