2205 s31803 dupley duple austetic chitoliro
Ma suptux zitsulo zimadziwika ndi chromium (19¨C28%) ndi molybdenum (mpaka 5%) ndi zotsekereza zosapanga dzimbiri. Zitsulo zosapanga dzimbiri zomwe zimagwiritsidwa ntchito kwambiri ndi 2205 (22% chromium, 5% Nickel) ndi 2507 (25% chromium, 7% Nickel); 2507 imadziwika kuti ¡° duplex¡ ± chifukwa cha kukana kwake kwakukulu.
A789 S31803 ndi S32205 ndi zitsulo ziwiri zosapanga dzimbiri zomwe zimagwiritsidwa ntchito kwambiri pantchito zosiyanasiyana. Mapaipi awa a duplex s31803 osakhala opanda chidwi amadziwika chifukwa chokana kwambiri kuwonongeka, mphamvu zazikulu, komanso kutopa kwambiri. A789 ndi lingaliro lomwe limakwirira osawoneka bwino komanso machubu opangidwa ndi chitsulo chosapanga dzimbiri.
Chingwe chimakhala chokwera, milomo kapena rim, kunja kwa zakunja kapena mkati, zomwe zimathandiza kuwonjezera mphamvu (monga mtengo wamtambo kapena t-bat); Kuti mulumikizidwe mosavuta \ / kusamutsa kwa kulumikizana ndi chinthu china (monga chowala kumapeto kwa chitoliro, scal cylinder, etc., kapena pamunda wa mandala); kapena pokhazikitsa ndikuwongolera mayendedwe a makina kapena mbali zake (monga tambala mkati mwagalimoto kapena gudumu la tram, zomwe zimapangitsa mawilo kuti asamayendetse njanji). Mawu akuti "Flange" imagwiritsidwanso ntchito ngati chida chogwiritsidwa ntchito chopanga ma flanges.
Duplex 2205 chitsulo chosapanga dzimbiri (chachangu komanso austetic) amagwiritsidwa ntchito kwambiri pakugwiritsa ntchito zomwe zimafunikira kukana bwino kuwonongeka ndi mphamvu. Gulu S31803 Zitsulo zosapanga dzimbiri zidasinthidwa kangapo, zomwe zidazindikirika mu 1996. Kalasi iyi imasiyidwa mu 1996.
Kuphatikiza kwa chromium, molybdenum ndi nayitrogeni imapereka kukana kwabwino kwa 2205 ku chloride pansi ndi crevice kuturuka. Kutsutsana kumeneku ndikofunikira kwambiri kwa ntchito monga madera am'madzi, madzi am'madzi, maopareshoni, makina otsekedwa amadzimadzi amadzimadzi. Chromium yapamwamba, molybdenum ndi nayitrogeni zomwe zili mu 2205 zimapereka chidindo chachikulu chambiri kuposa zitsulo zodziwika bwino, monga, 316L ndi 317l mu malo ambiri.