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1.4501 – Super Duplex Alloy

1.4501 is a Super Duplex alloy that provides an excellent corrosion resistance within a variety of applications, such as outstanding resistance to pitting and crevice corrosion within seawater and other chloride based environments.


X3 CrNiMoN 25 7
X2CrNiMoCuWN25 7 4
UNS S32750



Element Min Max
C (Carbon) 0.03%
Cr (Chromium) 24% 26%
Mn (Manganese) 1%
Mo (Molybdenum) 3% 4%
N (Nitrogen) 0.2% 0.3%
Ni (Nickel) 6% 8%
P (Phosphorus) 0.035%
S (Sulphur) 0.015%
Si (Silicon) 1%
Mechanical Properties Min Max
0.2% Proof Stress 200 MPa
Elongation 22%
Gauge Length A5D


Commonly used within the Marine, Oil and Gas, Chemical Procesess, paper and pulp, Food, Civil Engineering and Agrochemical industries. Typical applications include, but are not limited to; Propellers, Shafts, Rudders, Bolts, Fasteners, valves, Chemical Tankers, Valves, Vessels, Wellhead and Subsea equipment, pumps etc.


32760 F55 1.4501 0.500 NPT HEX HEAD PLUG [stainless steel]

F55 1.4501 HEX HEAD PLUG

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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