Duplex 2205 waa (wajiga laba-weji) Ferritic-austenitic-austenitic-aitenitic bir aan dabiici ahayn oo leh iska caabbinta xoogga sare iyo iftiinka sare, ee ugu badnaan ee ugu badnaan ee 290 (RC31) ee xaalada la soo saaray.
Duplex 2205 Xadhijiyeyaasha waxaa laga sameeyay agabkii caadiga ahaa. Maaddadu waxay ka kooban tahay kaarboon, manganese, Silicon, fosfooraska, 21% chromium, 2.5% molybdemka, 4.5% nitrogen iyo nitrogen.