Duplex and Super Duplex Stainless Steels

These combine austenitic and ferritic properties for high strength and excellent corrosion resistance, used in oil & gas and chemical processing.

Grade	UNS Designation	W. Nr.	Key Properties
2205	S31803	1.4462	Standard duplex, high strength and pitting resistance.
329	S32900	1.4460	High strength, good corrosion resistance.
Duplex 255	S32550	1.4507	Super duplex, enhanced corrosion resistance.
2507	S32750	1.4410	Super duplex, superior pitting resistance.
32760	S32760	1.4501	Super duplex with added copper for better performance.
2304	S2304	1.4362	Lean duplex, cost-effective high strength.

For full chemical compositions, mechanical properties, heat treatments, and certifications, download our data sheets (linked per grade). Additional grades available on request.