The properties of duplex stainless steels are achieved with overall lower alloy content than similar-performing super-austenitic grades, making their use cost-effective for many applications. Duplex grades are characterized into groups based on their alloy content and corrosion resistance.
| Industry standard | Our brands | DIN | UNS | EN | ASM | ASTM | Others |
|---|---|---|---|---|---|---|---|
Super Duplex | A911 | 1.4501 | S32760 | X2CrNiMoCuWN25-7-4 | – | – | – |
Super Duplex | A911SA | 1.4501 | S32760 | X2CrNiMoCuWN25-7-4 | – | – | AISI: F55 |
Super Duplex | A913 | 1.4410 | S32750 | X2CrNiMoN25-7-4 | – | – | AISI: F53 |
Duplex | A903 | 1.4462 | S31803, S32205 | X2CrNiMoN22-5-3 | – | F51 | AISI: F51, STN: 17 381 |