I-ASTM A182 Dumplex Ama-Flanges ensimbi engenasici anikeza ukumelana okuphezulu kukona
Amapayipi asetshenziswa ekudluliseleni kwabezindaba ezinjalo adinga ukuhlala isikhathi eside ngenxa yengcindezi ebangelwa ukugeleza. Ngakho-ke, abahlinzeki abaningi bancoma ukusebenzisa ipayipi lensimbi elingenacala ngezimfanelo abazinikezayo.
I-2507 Super Duplex imelana kakhulu ne-chloride pitting, kanye nengcindezi, i-crevice kanye nokugqwala okujwayelekile. Ingakwazi kahle ku-organic kanye ne-inorganic acid ngokufanayo. I-2507 (uns S32750) iyinsimbi embi kakhulu ye-Super Dumplex eyenzelwe izinhlelo zokusebenza ezidinga amandla ahlukile nokuphikiswa kokugqwala. I-2507 i-chromium engama-25%, i-4% molybdenum, kanye no-7% nickel alloy aphumela ekumelaneni okuhle nokuhlaselwa kwe-chloride okukhohlisayo nokuhlaselwa kwe-crevice corrition. Isakhiwo se-Duplex sinikezela nge-2507 ngokumelana okuhlukile ekuphepheni kokuphamba nokucindezela kwe-chloride.