Amapayipi we-hexagonal angama-254 aphansi kokugqwala okukhohlisayo kanye nokugqwala kwama-crevice ezindaweni ezifudumele ze-chloride kanye nokucindezela ukuqhekeka kokugqwala okungenhla cishe nge-60 degree C.
Ukuze izinhlelo zokusebenza ze-Pers Mill ezidinga amamaki aphansi angenawo ukumelana nokwanele. Kususelwa kokuqukethwe kwe-chromium engama-22%, bane-auntenitic ehlanganisiwe: i-fisscitic fickscucture enikeza amandla amakhulu, ukumelana nokugqwala kanye nokusebenza kwezindleko.
I-Al6XN iyinsimbi e-superAustonitic engenacala ngokumelana okuvelele kokuphamba kwe-chloride, ukugqwala kwe-crevice kanye nokuqhekeka kokugqwala kwengcindezelo. I-Al6xn ingu-Aloy ayi-6 olwenzelwe futhi asetshenziswa ezindaweni ezinolaka kakhulu. Ine-nickel ephezulu (24%), i-molybdenum (6.3%), i-nitrogen kanye nokuqukethwe kwe-chromium okunikeza ukumelana kahle nokuqhekeka kokugqwala kwe-chloride, i-chloride ukumelana, kanye nokuphikiswa okujwayelekile kokugqwala. I-Al6xn isetshenziselwa ikakhulukazi ukumelana nokugqwala kwayo okuthuthukile kanye ne-crevice in clorides. Kuyinsimbi enobunzima futhi engakhathali.