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Z3 CND 25 06 Az

Z3 CND 25 06 Az  is a super duplex alloy that offers excellent resistance to a wide variety of corrosions, including an outstanding resilience to crevice and pitting within chloride environments.   This material also offers a higher strength compared to that of austenitic duplex stainless steels and has ASME approval for Pressure vessel applications.


Z3 CND 25.06 Az
UNS S32750
A182 F53



Base Element Fe (Iron)

Element Min Max
C (Carbon) 0.03%
Cr (Chromium) 24% 26%
Mn (Manganese) 2%
Mo (Molybdenum) 2.5% 4.3%
N (Nitrogen) 0.24% 0.35%
Ni (Nickel) 5% 7%
P (Phosphorus) 0.03%
S (Sulphur) 0.01%
Si (Silicon) 0.75%
Mechanical Properties Min Max
Ultimate Tensile Strength (UTS) 720 MPa 930 MPa
0.2% Proof Stress 550 MPa
Elongation 20%


Pumps, Valves, wellhead and subsea equipment within the Oil & Gas Sector, as well as bolts, Fasteners, Shaft seals and Chemical Tankers within the Marine and Shipbuilding Industry.


Information is given for illustrative purposes only. Tachart accepts no responsibility for the accuracy of the data contained within or the use of the data by any other party.
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