i2205 uthyela lwesitheko
Imipemu yesithi yastayinilesi 2205 iyabonisa umkhiqizo osisithi sokudonseka yastayinilesi onobukhulu obuphezulu kakhulu bonokwandisa ukulungiselelwa kwekorrasiyon. Le ndawo yokusebenza ngokukhanya inobudlelwane obulungileyo be-microstructure engu-50% austenite ne-50% ferrite, okwenza kumele kakhulu kwezici zokusebenza. Iphuzu lempembeni yesithi yabo yindlela engu-22% chromium, 3% molybdenum, kunoma-5-6% nickel, ukwenza umkhiqizo oqondileyo oqondileyo kuzindlela zokusebenza. Ngekwaqondile ukulungisa kwekorrasiyon yesithi yastayinilesi 2205 kwezinkinga ezinobukhulu kakhulu, kusebenza kahle kuzindlela zokusebenza apho ubukhulu beziphumo kumele kakhulu. Imipemu iyasebenza kahle kuzindlela ezifakwe kahle kuma-chlorides ne-hydrogen sulfide, lokhu kusebenza kahle kuzindlela zaseholo nezifakelo zokwenza izinto zokuchitha. Ubukhulu be-yield strength, okungenani ubukhalfu bezinga elijwayelekileyo le-austenitic, kube nobubi bokunciphisa ubukhulu bekhanda kwezinye izindlela, okungaba nokuthuthukisa izindleko ngaphandle kokulahla ukusebenza. I-microstructure ye-dual-phase futhi inikeza ukulungisa okuphezulu kwekorrasiyon yesithi kanye nokulungisa okuphezulu kwekorrasiyon yesithi yase-chloride ngokulinganisa nezinga elijwayelekileyo le-austenitic yastayinilesi.