Ibandisa cishe ama-80% okuqala ukukhiqizwa kwensimbi engagqwali.
I-Super Duplex ayilandelela amanani ekhabhoni, i-phosphorus, isibabule, i-silicon, i-nitrogen, nethusi. Inokuphikiswa okujwayelekile okujwayelekile, okuhlongozwayo ngezicelo ezifika ku-600¡Ã f, kanye nezinga eliphansi lokuthuthuka okufudumele.
Ama-ASTM A479 Dumplex Steel ANX S31803 amantongomane anokumelana okuhle kakhulu kokugqwala kwamakhemikhali anolaka kufaka phakathi amanzi olwandle nama-acid wezimboni. I-ASME structor SA 479 Duplex Steel uns s32205 hex nuts iqukethe ingxube yezigaba ze-auntenitic nezenhlamvu. Ngakho-ke, kukhombisa izakhiwo zensimbi ye-auntenitic ne-Ferritic.I-ASME SA789 Tube D39 Acier Innoxydable Duplexbayingxenye yomndeni wensimbi. I-miscroskruction yalawa ma-flanges iyingxube yamabanga we-auntenitic ne-ferritic. Umehluko osemqoka uthi la ma-flanges afaka ngaphezulu i-chromium ne-molybdenum. Yaziwa njenge-duplex steel ngoba iqukethe izakhiwo ze-auntenitic kanye ne-ferritic yensimbi. Inikeza ukumelana okungcono ku-crorice kanye nokugqwala okuphambene uma kuqhathaniswa namanye ama-steel ahlukaniswe njenge-auntenitic kanye namansimbi angenalutho kuwo wonke noma yiziphi izimo noma izimo ezingaholela ekugcemeni. Ukuvela kwe-oxidization ngensimbi esezingeni eliphakeme kusondele kakhulu kungekho lutho.