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 AMS 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
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