🇺🇸 USA equivalent of
Duplex 22051.4462
UNS S32205S32205REF
Standard: ASTM · Source: ASTM A240
Tighter chemistry than S31803, preferred modern designation
Other international equivalents
| Country | Standard | Grade | Match | |
|---|---|---|---|---|
| 🇪🇺 | Europe | EN | X2CrNiMoN22-5-3 | 100% |
| 🇺🇸 | USA | ASTM | UNS S31803 | 95% |
| 🇨🇳 | China | GB | 022Cr23Ni5Mo3N | 95% |
| 🇯🇵 | Japan | JIS | SUS329J3L | 90% |