Uhlobo lwe-321 yensimbi engenasici yintsimbi ye-austenitic. Ineempawu ezininzi ezifanayo zoHlobo lwe-304, ngaphandle komgangatho ophezulu we-titanium kunye nekhabhoni. Uhlobo lwe-321 lubonelela abenzi bentsimbi ukuthosa okugqwesileyo kunye nokumelana ne-oxidation, kunye nokuqina okugqwesileyo ukuya kuthi ga kumaqondo obushushu e-cryogenic. Ezinye iimpawu zoHlobo lwe-321 yeNtsimbi engatyiwa zibandakanya:
- Ukuqulunqwa kakuhle kunye ne-welding
- Isebenza kakuhle ukuya kutsho kuma-900°C
- Ayisetyenziselwa ukuhombisa
Ngenxa yeenzuzo ezininzi kunye nobuchule, Uhlobo lwe-321 lusetyenziswa ngeendlela ezahlukeneyo ezibandakanya:
- Amaqweqwe e-Anealing
- Izixhobo zobushushu obuphezulu
- Izixhobo zokulungisa imichiza
- Iinkqubo zokukhupha iimoto
- Iifirewall
- Iibhokisi ze-boiler
- Iinqwelo-moya zikhupha iimfumba kunye nezinto ezininzi
- Izifudumezi ezinkulu
- Izixhobo zokucoca igesi neoyile
Uhlobo lwe-321 lunolwakhiwo olulodwa lweekhemikhali olubandakanya:
- Cr 17-19%
- Ngo 9-12%
- Si 0.75%
- Fe 0.08%
- Ti 0.70%
- P .040%
- S .030%
Ixesha lokuposa: Sep-04-2020