2205不銹鋼管即雙相不銹鋼2205,其標準有以下:
ASTM/ASME:240 UNS S32205/S31803
EURONORM:1.4462 X2CrNiMoN 22.5.3
AFNOR:Z3 CrNi 22.05 AZ
DIN:W. Nr 1.4462